From 5c762ed6eec5181f8ddead0b9ee45916a4dfc91e Mon Sep 17 00:00:00 2001
From: Louis Vallat <louis.vallat5@gmail.com>
Date: Thu, 25 Apr 2019 17:24:49 +0200
Subject: [PATCH] finished version 0.9

everything is working fine and can be used in testing environnement as it hasn't been tested long enough for being safely deployed in production environnement
---
 .gitignore                                    |   3 +-
 twitter_techsupportgore_bot/build.xml         |   6 +-
 .../nbproject/genfiles.properties             |   4 +-
 .../nbproject/project.properties              |  12 +-
 .../nbproject/project.xml                     |   2 +-
 twitter_techsupportgore_bot/settings.conf     |  23 +
 .../ConfigFileReader.java                     |  92 +++
 .../TwitterTechSupportGoreBot/Hypervisor.java | 532 ++++++++++++++++++
 .../TwitterTechSupportGoreBot.java            |  62 ++
 .../exceptions/NoSuchFile.java                |  41 ++
 .../exceptions/NoSuchOrder.java               |  42 ++
 .../exceptions/NoSuchProperty.java            |  43 ++
 .../exceptions/NotSufficientRights.java       |  42 ++
 .../redditHandler/RedditExtractor.java        | 218 +++++++
 .../redditHandler}/RedditPost.java            |  10 +-
 .../redditHandler}/RedditPostImage.java       |  11 +-
 .../redditHandler}/RedditPostLink.java        |   5 +-
 .../redditHandler}/RedditPostText.java        |   9 +-
 .../redditHandler}/RedditPostVideo.java       |  17 +-
 .../redditHandler}/SubReddit.java             |  62 +-
 .../socialMediaHandler/SocialMediaPoster.java |  35 ++
 .../socialMediaHandler/TwitterBot.java        | 204 +++++++
 .../Hypervisor.java                           |  82 ---
 .../Twitter_techsupportgore_bot.java          |  58 --
 .../reddit_handler/RedditExtractor.java       | 181 ------
 25 files changed, 1431 insertions(+), 365 deletions(-)
 create mode 100644 twitter_techsupportgore_bot/settings.conf
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/ConfigFileReader.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/Hypervisor.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/TwitterTechSupportGoreBot.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchFile.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchOrder.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchProperty.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NotSufficientRights.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditExtractor.java
 rename twitter_techsupportgore_bot/src/{twitter_techsupportgore_bot/reddit_handler => TwitterTechSupportGoreBot/redditHandler}/RedditPost.java (95%)
 rename twitter_techsupportgore_bot/src/{twitter_techsupportgore_bot/reddit_handler => TwitterTechSupportGoreBot/redditHandler}/RedditPostImage.java (92%)
 rename twitter_techsupportgore_bot/src/{twitter_techsupportgore_bot/reddit_handler => TwitterTechSupportGoreBot/redditHandler}/RedditPostLink.java (93%)
 rename twitter_techsupportgore_bot/src/{twitter_techsupportgore_bot/reddit_handler => TwitterTechSupportGoreBot/redditHandler}/RedditPostText.java (93%)
 rename twitter_techsupportgore_bot/src/{twitter_techsupportgore_bot/reddit_handler => TwitterTechSupportGoreBot/redditHandler}/RedditPostVideo.java (89%)
 rename twitter_techsupportgore_bot/src/{twitter_techsupportgore_bot/reddit_handler => TwitterTechSupportGoreBot/redditHandler}/SubReddit.java (50%)
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/SocialMediaPoster.java
 create mode 100644 twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/TwitterBot.java
 delete mode 100644 twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Hypervisor.java
 delete mode 100644 twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Twitter_techsupportgore_bot.java
 delete mode 100644 twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditExtractor.java

diff --git a/.gitignore b/.gitignore
index ef4cf72..e7f40b8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,5 @@
 hs_err_pid*
 /twitter_techsupportgore_bot/nbproject/private/
 /twitter_techsupportgore_bot/build/
-/twitter_techsupportgore_bot/dist/
\ No newline at end of file
+/twitter_techsupportgore_bot/dist/
+*.sqlite
\ No newline at end of file
diff --git a/twitter_techsupportgore_bot/build.xml b/twitter_techsupportgore_bot/build.xml
index 02b38f2..28eafff 100644
--- a/twitter_techsupportgore_bot/build.xml
+++ b/twitter_techsupportgore_bot/build.xml
@@ -7,8 +7,8 @@
 <!-- the Compile on Save feature is turned off for the project. -->
 <!-- You can turn off the Compile on Save (or Deploy on Save) setting -->
 <!-- in the project's Project Properties dialog box.-->
-<project name="twitter_techsupportgore_bot" default="default" basedir=".">
-    <description>Builds, tests, and runs the project twitter_techsupportgore_bot.</description>
+<project name="TwitterTechSupportGoreBot" default="default" basedir=".">
+    <description>Builds, tests, and runs the project TwitterTechSupportGoreBot.</description>
     <import file="nbproject/build-impl.xml"/>
     <!--
 
@@ -58,7 +58,7 @@
 
     An example of overriding the target for project execution could look like this:
 
-        <target name="run" depends="twitter_techsupportgore_bot-impl.jar">
+        <target name="run" depends="TwitterTechSupportGoreBot-impl.jar">
             <exec dir="bin" executable="launcher.exe">
                 <arg file="${dist.jar}"/>
             </exec>
diff --git a/twitter_techsupportgore_bot/nbproject/genfiles.properties b/twitter_techsupportgore_bot/nbproject/genfiles.properties
index acf8d7b..119b977 100644
--- a/twitter_techsupportgore_bot/nbproject/genfiles.properties
+++ b/twitter_techsupportgore_bot/nbproject/genfiles.properties
@@ -1,5 +1,5 @@
-build.xml.data.CRC32=3d50692e
-build.xml.script.CRC32=e61978ec
+build.xml.data.CRC32=3680b253
+build.xml.script.CRC32=9d82390b
 build.xml.stylesheet.CRC32=8064a381@1.80.1.48
 # This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
 # Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
diff --git a/twitter_techsupportgore_bot/nbproject/project.properties b/twitter_techsupportgore_bot/nbproject/project.properties
index f161eb4..680df1b 100644
--- a/twitter_techsupportgore_bot/nbproject/project.properties
+++ b/twitter_techsupportgore_bot/nbproject/project.properties
@@ -3,7 +3,7 @@ annotation.processing.enabled.in.editor=false
 annotation.processing.processors.list=
 annotation.processing.run.all.processors=true
 annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
-application.title=twitter_techsupportgore_bot
+application.title=TwitterTechSupportGoreBot
 application.vendor=louis
 build.classes.dir=${build.dir}/classes
 build.classes.excludes=**/*.java,**/*.form
@@ -25,16 +25,20 @@ debug.test.classpath=\
 dist.archive.excludes=
 # This directory is removed when the project is cleaned:
 dist.dir=dist
-dist.jar=${dist.dir}/twitter_techsupportgore_bot.jar
+dist.jar=${dist.dir}/TwitterTechSupportGoreBot.jar
 dist.javadoc.dir=${dist.dir}/javadoc
 endorsed.classpath=
 excludes=
 file.reference.gson-2.8.5.jar=C:\\Users\\louis\\Documents\\libraries\\Java\\gson-2.8.5.jar
 file.reference.kotlin-runtime.jar=nulllib\\kotlin-runtime.jar
+file.reference.sqlite-jdbc-3.23.1.jar=C:\\Users\\louis\\Documents\\libraries\\Java\\sqlite-jdbc-3.23.1.jar
+file.reference.twitter4j-core-4.0.7.jar=C:\\Users\\louis\\Documents\\libraries\\Java\\twitter4j-core-4.0.7.jar
 includes=**
 jar.compress=false
 javac.classpath=\
-    ${file.reference.gson-2.8.5.jar}
+    ${file.reference.gson-2.8.5.jar}:\
+    ${file.reference.twitter4j-core-4.0.7.jar}:\
+    ${file.reference.sqlite-jdbc-3.23.1.jar}
 # Space-separated list of extra javac options
 javac.compilerargs=-Xlint:unchecked
 javac.deprecation=false
@@ -60,7 +64,7 @@ javadoc.use=true
 javadoc.version=false
 javadoc.windowtitle=
 kotlinc.classpath=${file.reference.kotlin-runtime.jar}
-main.class=twitter_techsupportgore_bot.Twitter_techsupportgore_bot
+main.class=TwitterTechSupportGoreBot.TwitterTechSupportGoreBot
 manifest.file=manifest.mf
 meta.inf.dir=${src.dir}/META-INF
 mkdist.disabled=false
diff --git a/twitter_techsupportgore_bot/nbproject/project.xml b/twitter_techsupportgore_bot/nbproject/project.xml
index 112a150..c2dbfe5 100644
--- a/twitter_techsupportgore_bot/nbproject/project.xml
+++ b/twitter_techsupportgore_bot/nbproject/project.xml
@@ -3,7 +3,7 @@
     <type>org.netbeans.modules.java.j2seproject</type>
     <configuration>
         <data xmlns="http://www.netbeans.org/ns/j2se-project/3">
-            <name>twitter_techsupportgore_bot</name>
+            <name>TwitterTechSupportGoreBot</name>
             <source-roots>
                 <root id="src.dir"/>
             </source-roots>
diff --git a/twitter_techsupportgore_bot/settings.conf b/twitter_techsupportgore_bot/settings.conf
new file mode 100644
index 0000000..709e7e0
--- /dev/null
+++ b/twitter_techsupportgore_bot/settings.conf
@@ -0,0 +1,23 @@
+################################################################################
+#                            REDDIT SETTINGS                                   #
+################################################################################
+subreddit=techsupportgore
+delay=30
+sqlite_db_name=techsupportgore_twitterbot
+clear_database=N
+reddit_posts_limit=1
+reddit_posts_sorting_order=new
+
+################################################################################
+#                         MISCELLANEOUS SETTINGS                               #
+################################################################################
+working_directory=data
+max_text_length=280
+
+################################################################################
+#                         TWITTER API SETTINGS                                 #
+################################################################################
+twitterAPI_consumerKey=
+twitterAPI_consumerSecret=
+twitterAPI_accessToken=
+twitterAPI_accessSecret=
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/ConfigFileReader.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/ConfigFileReader.java
new file mode 100644
index 0000000..aeef8db
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/ConfigFileReader.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot;
+
+import java.io.File;
+import java.util.Properties;
+import TwitterTechSupportGoreBot.exceptions.*;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+/**
+ * A config file reader.
+ *
+ * @author louis
+ */
+public final class ConfigFileReader {
+
+    /**
+     * The config file name.
+     */
+    private static final String CONFIGFILE = "settings.conf";
+
+    /**
+     * The properties object.
+     */
+    private final Properties prop = new Properties();
+
+    /**
+     * Create a new config file reader that automatically reads the config file.
+     *
+     * @throws NoSuchFile
+     * @throws NotSufficientRights
+     */
+    public ConfigFileReader() throws NoSuchFile, NotSufficientRights {
+        readConfigFile();
+    }
+
+    /**
+     * Read the config file.
+     *
+     * @throws TwitterTechSupportGoreBot.exceptions.NotSufficientRights
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchFile
+     */
+    public void readConfigFile() throws NoSuchFile, NotSufficientRights {
+        if (!new File(CONFIGFILE).exists()) {
+            throw new NoSuchFile(
+                    "[!] The config file " + CONFIGFILE + " doesn't exists.");
+        } else if (!new File(CONFIGFILE).canRead()) {
+            throw new NotSufficientRights(
+                    "[!] Can't read the config file " + CONFIGFILE + ".");
+        }
+        try {
+            prop.load(new FileInputStream(new File(CONFIGFILE)));
+        } catch (IOException ex) {
+            System.out.println(
+                    "[!] Error on loading the config file.");
+            System.out.println("[!] " + ex.getMessage());
+        }
+
+    }
+
+    /**
+     * Get the property for an id.
+     *
+     * @param id the property id.
+     * @return the properties.
+     *
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchProperty
+     */
+    public String getProperties(String id) throws NoSuchProperty {
+        if (!this.prop.containsKey(id)) {
+            throw new NoSuchProperty(
+                    "[!] The property " + id + " is not defined in the config "
+                    + "file. Define it in " + CONFIGFILE + " and try again.");
+        }
+        return this.prop.getProperty(id);
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/Hypervisor.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/Hypervisor.java
new file mode 100644
index 0000000..ee6d77b
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/Hypervisor.java
@@ -0,0 +1,532 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot;
+
+import TwitterTechSupportGoreBot.redditHandler.RedditPostImage;
+import TwitterTechSupportGoreBot.redditHandler.RedditPost;
+import TwitterTechSupportGoreBot.redditHandler.RedditPostText;
+import TwitterTechSupportGoreBot.redditHandler.RedditPostLink;
+import TwitterTechSupportGoreBot.redditHandler.RedditPostVideo;
+import TwitterTechSupportGoreBot.socialMediaHandler.*;
+import TwitterTechSupportGoreBot.redditHandler.*;
+import TwitterTechSupportGoreBot.exceptions.*;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+/**
+ * Singleton Hypervisor. This is the object that does everything. So we want it
+ * to be unique. That's why it's a singleton.
+ *
+ * @author louis
+ */
+public class Hypervisor {
+
+    /**
+     * Working folder.
+     */
+    private String workingDirectory;
+
+    /**
+     * SQLITE database for saving the already parsed posts.
+     */
+    private final String sqliteDatabase;
+
+    /**
+     * SQLITE table name.
+     */
+    private final String tableName;
+
+    /**
+     * All the reddit posts parsed.
+     */
+    private final HashMap<String, RedditPost> redditPosts;
+
+    /**
+     * All the already shared posts, so there are no boule shares.
+     */
+    private final HashMap<String, RedditPost> alreadySharedPosts;
+
+    /**
+     * Delay between two scans, in seconds.
+     */
+    private final int delay;
+
+    /**
+     * Minimum of all the social medias text size.
+     */
+    private final int maxLength;
+
+    /**
+     * Subreddit to extract info from.
+     */
+    private final String subreddit;
+
+    /**
+     * The singleton.
+     */
+    private static Hypervisor SINGLETON = null;
+
+    /**
+     * All the social medias to post our reddit content.
+     */
+    private final ArrayList<SocialMediaPoster> socialMedias;
+
+    /**
+     * Connection to the SQLITE database.
+     */
+    private final Connection connexion;
+
+    /**
+     * RedditExtractor.
+     */
+    private final RedditExtractor myRedditExtractor;
+
+    /**
+     * Private constructor so nobody except this obect can build this object.
+     */
+    private Hypervisor()
+            throws NotSufficientRights, ClassNotFoundException,
+            SQLException, IOException, NoSuchFile, NoSuchProperty, NoSuchOrder {
+        Class.forName("org.sqlite.JDBC");
+        System.out.println("[+] Creating Hypervisor.");
+        ConfigFileReader reader = new ConfigFileReader();
+        this.subreddit = reader.getProperties("subreddit");
+        this.tableName = reader.getProperties("subreddit");
+        this.delay = Integer.valueOf(reader.getProperties("delay"));
+        this.sqliteDatabase = reader.getProperties("sqlite_db_name");
+        this.socialMedias = new ArrayList<>();
+        this.redditPosts = new HashMap<>();
+        this.workingDirectory = reader.getProperties("working_directory");
+        setupTheBotDirectory();
+        this.connexion = DriverManager.getConnection("jdbc:sqlite:"
+                + this.workingDirectory + File.separator + this.sqliteDatabase);
+        this.myRedditExtractor = new RedditExtractor(subreddit);
+        this.alreadySharedPosts = new HashMap<>();
+        if ("Y".equals(reader.getProperties("clear_database"))) {
+            clearDatabase();
+        }
+        this.maxLength = Integer.valueOf(reader.getProperties("max_text_length"));
+        load();
+        System.out.println("[+] Hypervisor created successfully.");
+    }
+
+    /**
+     * Get the Singleton Hypervisor instance.
+     *
+     * @return the instance.
+     *
+     * @throws java.lang.ClassNotFoundException
+     * @throws TwitterTechSupportGoreBot.exceptions.NotSufficientRights
+     * @throws java.sql.SQLException
+     * @throws java.io.IOException
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchFile
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchProperty
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchOrder
+     */
+    public static Hypervisor getSingleton()
+            throws ClassNotFoundException, NotSufficientRights,
+            SQLException, IOException, NoSuchFile, NoSuchProperty, NoSuchOrder {
+        if (SINGLETON == null) {
+            SINGLETON = new Hypervisor();
+        }
+        return SINGLETON;
+    }
+
+    /**
+     * Main loop for the program. This is where everything happens.
+     *
+     * @throws java.lang.ClassNotFoundException
+     * @throws java.sql.SQLException
+     * @throws java.lang.InterruptedException
+     */
+    public void run()
+            throws ClassNotFoundException, SQLException,
+            InterruptedException {
+        System.out.println("[+] Hypervisor is now running.");
+        for (;;) {
+            for (RedditPost post : myRedditExtractor.getRedditPosts()) {
+                computeRedditPost(post);
+            }
+            save();
+            System.out.println(
+                    "[*] Hypervisor is waiting for " + this.delay + "seconds.");
+            Thread.sleep(this.delay * 1000);
+        }
+    }
+
+    /**
+     * Load all the reddit posts from the database.
+     *
+     * @throws ClassNotFoundException
+     * @throws SQLException
+     */
+    private void load() throws ClassNotFoundException, SQLException {
+        System.out.println("[*] Loading the Reddit posts from database.");
+        createTable();
+        PreparedStatement recherche = this.connexion.prepareStatement(
+                "SELECT * FROM " + this.tableName + ";");
+        try (ResultSet res = recherche.executeQuery()) {
+            while (res.next()) {
+                RedditPost post
+                        = "image".equals(res.getString("postType"))
+                        ? new RedditPostImage(res.getString("postId"),
+                                res.getString("title"),
+                                res.getBoolean("quarantine"),
+                                res.getDouble("score"),
+                                res.getString("postHint"),
+                                res.getBoolean("crosspostable"),
+                                res.getBoolean("over18"),
+                                res.getString("author"),
+                                res.getString("permalink"),
+                                res.getBoolean("spoiler"),
+                                res.getString("url"))
+                        : "link".equals(res.getString("postType"))
+                        ? new RedditPostLink(res.getString("postId"),
+                                res.getString("title"),
+                                res.getBoolean("quarantine"),
+                                res.getDouble("score"),
+                                res.getString("postHint"),
+                                res.getBoolean("crosspostable"),
+                                res.getBoolean("over18"),
+                                res.getString("author"),
+                                res.getString("permalink"),
+                                res.getBoolean("spoiler"),
+                                res.getString("url"))
+                        : "video".equals(res.getString("postType"))
+                        ? new RedditPostVideo(res.getString("postId"),
+                                res.getString("title"),
+                                res.getBoolean("quarantine"),
+                                res.getDouble("score"),
+                                res.getString("postHint"),
+                                res.getBoolean("crosspostable"),
+                                res.getBoolean("over18"),
+                                res.getString("author"),
+                                res.getString("permalink"),
+                                res.getBoolean("spoiler"),
+                                res.getString("url"))
+                        : new RedditPostText(res.getString("postId"),
+                                res.getString("title"),
+                                res.getBoolean("quarantine"),
+                                res.getDouble("score"),
+                                res.getString("postHint"),
+                                res.getBoolean("crosspostable"),
+                                res.getBoolean("over18"),
+                                res.getString("author"),
+                                res.getString("permalink"),
+                                res.getBoolean("spoiler"),
+                                res.getString("url"));
+                this.redditPosts.put(post.getPostId(), post);
+                if (res.getBoolean("shared")) {
+                    this.alreadySharedPosts.put(post.getPostId(), post);
+                }
+            }
+        }
+        System.out.println("[*] Loading done. "
+                + this.redditPosts.size() + " posts loaded. "
+                + this.alreadySharedPosts.size() + " posts already shared.");
+    }
+
+    /**
+     * Clear the database by dropping it.
+     *
+     * @throws ClassNotFoundException
+     * @throws SQLException
+     */
+    private void clearDatabase() throws ClassNotFoundException, SQLException {
+        System.out.println("[*] Clearing the database.");
+        PreparedStatement stmt = connexion.prepareStatement(""
+                + "DROP TABLE IF EXISTS " + this.tableName + ";"
+        );
+        stmt.execute();
+        createTable();
+        System.out.println("[*] The database has been cleared successfully.");
+    }
+
+    /**
+     * Save all the reddit posts to the database.
+     *
+     * @throws ClassNotFoundException
+     * @throws SQLException
+     */
+    private void save() throws ClassNotFoundException, SQLException {
+        createTable();
+        for (String postId : this.redditPosts.keySet()) {
+            RedditPost current = this.redditPosts.get(postId);
+            if (!isInDatabase(postId)) {
+                PreparedStatement ajout = this.connexion.prepareStatement(
+                        "INSERT INTO " + this.tableName
+                        + "("
+                        + "postType, "
+                        + "postId, "
+                        + "title, "
+                        + "quarantine, "
+                        + "score, "
+                        + "postHint, "
+                        + "crosspostable, "
+                        + "over18, "
+                        + "author, "
+                        + "permalink, "
+                        + "spoiler, "
+                        + "url, "
+                        + "shared"
+                        + ") "
+                        + "VALUES "
+                        + "(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);"
+                );
+                ajout.setString(1,
+                        current.isImage() ? "image"
+                        : current.isLink() ? "link"
+                        : current.isText() ? "text"
+                        : "video");
+                ajout.setString(2, current.getPostId());
+                ajout.setString(3, current.getTitle());
+                ajout.setBoolean(4, current.isQuarantine());
+                ajout.setDouble(5, current.getScore());
+                ajout.setString(6, current.getPostHint());
+                ajout.setBoolean(7, current.isCrosspostable());
+                ajout.setBoolean(8, current.isOver18());
+                ajout.setString(9, current.getAuthor());
+                ajout.setString(10, current.getPermalink());
+                ajout.setBoolean(11, current.isSpoiler());
+                ajout.setString(12, current.getUrl());
+                ajout.setBoolean(13, this.alreadySharedPosts
+                        .containsKey(current.getPostId()));
+                ajout.execute();
+            }
+        }
+    }
+
+    /**
+     * Check if a post is in database.
+     *
+     * @param postId the post id
+     * @return if the post is in the database
+     *
+     * @throws SQLException
+     * @throws ClassNotFoundException
+     */
+    private boolean isInDatabase(String postId)
+            throws SQLException, ClassNotFoundException {
+        PreparedStatement recherche = this.connexion.prepareStatement(
+                "SELECT * FROM " + this.tableName + " "
+                + "WHERE postId = '" + postId + "'");
+        try (ResultSet resultats = recherche.executeQuery()) {
+            return resultats.next();
+        }
+    }
+
+    /**
+     * Set a post as shared onsocial networks.
+     *
+     * @param postId the post id
+     *
+     * @throws SQLException
+     * @throws ClassNotFoundException
+     */
+    private void setPostAsShared(String postId)
+            throws SQLException, ClassNotFoundException {
+        System.out.println("[+] Post \""
+                + this.redditPosts.get(postId).getTitle()
+                + "\" has been shared successfully.");
+        this.alreadySharedPosts.put(postId, this.redditPosts.get(postId));
+        if (isInDatabase(postId)) {
+            PreparedStatement update = this.connexion.prepareStatement(
+                    "UPDATE " + this.tableName + " "
+                    + "SET shared=? "
+                    + "WHERE postId = '" + postId + "';"
+            );
+            update.setBoolean(1, true);
+            update.execute();
+        }
+    }
+
+    /**
+     * Create our working table if it doesn't exists yet.
+     *
+     * @throws SQLException
+     * @throws ClassNotFoundException
+     */
+    private void createTable() throws SQLException, ClassNotFoundException {
+        PreparedStatement stmt = connexion.prepareStatement(""
+                + "CREATE TABLE IF NOT EXISTS " + this.tableName + " "
+                + "("
+                + "id INTEGER PRIMARY KEY AUTOINCREMENT,"
+                + "postType TEXT, "
+                + "postId TEXT UNIQUE, "
+                + "title TEXT, "
+                + "quarantine BOOLEAN, "
+                + "score DOUBLE, "
+                + "postHint TEXT, "
+                + "crosspostable BOOLEAN, "
+                + "over18 BOOLEAN, "
+                + "author TEXT, "
+                + "permalink TEXT, "
+                + "spoiler BOOLEAN, "
+                + "url TEXT, "
+                + "shared BOOLEAN"
+                + ");"
+        );
+        stmt.execute();
+    }
+
+    /**
+     * Compute a given reddit post.
+     *
+     * @param r the reddit post to compute.
+     *
+     * @throws ClassNotFoundException
+     * @throws SQLException
+     */
+    private void computeRedditPost(RedditPost r)
+            throws SQLException, ClassNotFoundException {
+        if (!this.alreadySharedPosts.containsKey(r.getPostId())
+                && !r.isQuarantine()) {
+            System.out.println(
+                    "[*] Computing the post \"" + r.getTitle() + "\"");
+            this.redditPosts.put(r.getPostId(), r);
+            if (r.hasMediaUrl()) {
+                String fileName = saveImage(r.getUrl());
+                socialMedias.forEach((s) -> {
+                    long postRef = s.postImage(
+                            formatPost(r.getTitle()), fileName);
+                    if (postRef != 0 && postRef != -1) {
+                        s.replyText(formatPost("from /u/" + r.getAuthor() + " "
+                                + "on /r/" + this.subreddit + " "
+                                + "at link : https://www.reddit.com"
+                                + r.getPermalink()), postRef);
+                    }
+                });
+                deleteFile(fileName);
+            }
+            setPostAsShared(r.getPostId());
+        }
+    }
+
+    /**
+     * Format a given text for being posted on the different social networks.
+     *
+     * @param text the text to format
+     * @return the formatted text
+     */
+    private String formatPost(String text) {
+        return text.length() >= this.maxLength
+                ? text.substring(0, this.maxLength - 4) + "..."
+                : text;
+    }
+
+    /**
+     * Save Image from URL. Modified version of the code that can be found at
+     * https://www.programcreek.com/2012/12/download-image-from-url-in-java/
+     *
+     * @param imageUrl the image URL.
+     */
+    private String saveImage(String imageUrl) {
+        System.out.println("[+] Dowloading image " + imageUrl + ".");
+        try {
+            URL url = new URL(imageUrl);
+            String fileName = url.getFile();
+            String destName = workingDirectory + fileName.substring(
+                    fileName.lastIndexOf("/"), fileName.lastIndexOf("?"));
+            InputStream is = url.openStream();
+            OutputStream os = new FileOutputStream(destName);
+
+            byte[] b = new byte[2048];
+            int length;
+
+            while ((length = is.read(b)) != -1) {
+                os.write(b, 0, length);
+            }
+            is.close();
+            os.close();
+
+            System.out.println(
+                    "[+] Image " + destName + " dowloaded successfully.");
+            return destName;
+        } catch (IOException ex) {
+            System.err.println("[!] IOException : " + ex.getMessage());
+            System.exit(1);
+        }
+        return null;
+    }
+
+    /**
+     * Delete a file.
+     *
+     * @param filePath the path to the file we want to delete.
+     */
+    private void deleteFile(String filePath) {
+        File f = new File(filePath);
+        f.delete();
+        System.out.println("[*] File " + filePath + " deleted.");
+    }
+
+    /**
+     * Set working directory.
+     *
+     * @param tempDir the path to the working directory.
+     *
+     * @throws TwitterTechSupportGoreBot.exceptions.NotSufficientRights
+     */
+    public void setWorkDir(String tempDir) throws NotSufficientRights {
+        this.workingDirectory = tempDir;
+        setupTheBotDirectory();
+    }
+
+    /**
+     * Get the working directory.
+     *
+     * @return the working directory path.
+     */
+    public String getWorkDir() {
+        return workingDirectory;
+    }
+
+    /**
+     * Setup the bot.
+     *
+     * @throws NotSufficientRights
+     */
+    private void setupTheBotDirectory() throws NotSufficientRights {
+        File f = new File(workingDirectory);
+        f.mkdir();
+        if (!f.canRead() || !f.canWrite()) {
+            throw new NotSufficientRights(
+                    "[!] This program does not have the sufficient "
+                    + "rights on the folder \"" + workingDirectory + "\".");
+        }
+    }
+
+    /**
+     * Add a social media to post content to.
+     *
+     * @param s the social media
+     */
+    public void addSocialMedia(SocialMediaPoster s) {
+        this.socialMedias.add(s);
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/TwitterTechSupportGoreBot.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/TwitterTechSupportGoreBot.java
new file mode 100644
index 0000000..778f67c
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/TwitterTechSupportGoreBot.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot;
+
+import TwitterTechSupportGoreBot.exceptions.NoSuchFile;
+import TwitterTechSupportGoreBot.exceptions.NoSuchOrder;
+import TwitterTechSupportGoreBot.exceptions.NoSuchProperty;
+import TwitterTechSupportGoreBot.socialMediaHandler.*;
+import TwitterTechSupportGoreBot.exceptions.NotSufficientRights;
+import java.io.IOException;
+import java.sql.SQLException;
+
+/**
+ * This is where everything begins.
+ *
+ * @author louis
+ */
+public class TwitterTechSupportGoreBot {
+
+    /**
+     * Launch the Hypervisor.
+     *
+     * @param args command line arguments
+     *
+     * @throws ClassNotFoundException
+     * @throws NotSufficientRights
+     * @throws SQLException
+     * @throws IOException
+     * @throws InterruptedException
+     * @throws NoSuchFile
+     * @throws NoSuchProperty
+     * @throws NoSuchOrder
+     */
+    public static void main(String[] args) throws
+            ClassNotFoundException,
+            NotSufficientRights,
+            SQLException,
+            IOException,
+            InterruptedException,
+            NoSuchFile,
+            NoSuchProperty,
+            NoSuchOrder {
+
+        Hypervisor master = Hypervisor.getSingleton();
+        master.addSocialMedia(new TwitterBot());
+        master.run();
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchFile.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchFile.java
new file mode 100644
index 0000000..a25927a
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchFile.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.exceptions;
+
+/**
+ * Exception throwable when there are no file at a given path.
+ *
+ * @author louis
+ */
+public class NoSuchFile extends Exception {
+
+    /**
+     * Creates a new instance of <code>NoSuchFile</code> without detail message.
+     */
+    public NoSuchFile() {
+    }
+
+    /**
+     * Constructs an instance of <code>NoSuchFile</code> with the specified
+     * detail message.
+     *
+     * @param msg the detail message.
+     */
+    public NoSuchFile(String msg) {
+        super(msg);
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchOrder.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchOrder.java
new file mode 100644
index 0000000..5c1f9fb
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchOrder.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.exceptions;
+
+/**
+ * Exception throwable when a sort order isn't a correct one.
+ * 
+ * @author louis
+ */
+public class NoSuchOrder extends Exception {
+
+    /**
+     * Creates a new instance of <code>NoSuchOrder</code> without detail
+     * message.
+     */
+    public NoSuchOrder() {
+    }
+
+    /**
+     * Constructs an instance of <code>NoSuchOrder</code> with the specified
+     * detail message.
+     *
+     * @param msg the detail message.
+     */
+    public NoSuchOrder(String msg) {
+        super(msg);
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchProperty.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchProperty.java
new file mode 100644
index 0000000..1103f0d
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NoSuchProperty.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.exceptions;
+
+/**
+ * Exception throwable when there are no property in the config file for a given
+ * setting name/id.
+ *
+ * @author louis
+ */
+public class NoSuchProperty extends Exception {
+
+    /**
+     * Creates a new instance of <code>NoSuchProperty</code> without detail
+     * message.
+     */
+    public NoSuchProperty() {
+    }
+
+    /**
+     * Constructs an instance of <code>NoSuchProperty</code> with the specified
+     * detail message.
+     *
+     * @param msg the detail message.
+     */
+    public NoSuchProperty(String msg) {
+        super(msg);
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NotSufficientRights.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NotSufficientRights.java
new file mode 100644
index 0000000..3a25047
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/exceptions/NotSufficientRights.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.exceptions;
+
+/**
+ *  Exception throwable when the rights on a folder or a file aren't sufficient.
+ * 
+ * @author louis
+ */
+public class NotSufficientRights extends Exception {
+
+    /**
+     * Creates a new instance of <code>NotSufficientRights</code> without detail
+     * message.
+     */
+    public NotSufficientRights() {
+    }
+
+    /**
+     * Constructs an instance of <code>NotSufficientRights</code> with the
+     * specified detail message.
+     *
+     * @param msg the detail message.
+     */
+    public NotSufficientRights(String msg) {
+        super(msg);
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditExtractor.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditExtractor.java
new file mode 100644
index 0000000..dfc97d8
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditExtractor.java
@@ -0,0 +1,218 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.redditHandler;
+
+import TwitterTechSupportGoreBot.exceptions.NoSuchFile;
+import TwitterTechSupportGoreBot.exceptions.NoSuchOrder;
+import TwitterTechSupportGoreBot.exceptions.NoSuchProperty;
+import TwitterTechSupportGoreBot.exceptions.NotSufficientRights;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonSyntaxException;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.HashSet;
+
+/**
+ * Reddit extractor object.
+ *
+ * @author louis
+ */
+public final class RedditExtractor {
+
+    /**
+     * Subreddit to extract infos from.
+     */
+    private final SubReddit sub;
+
+    /**
+     * Main Constructor.
+     *
+     * @param subreddit Subreddit name. Just after /r/
+     *
+     * @throws IOException
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchProperty
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchFile
+     * @throws TwitterTechSupportGoreBot.exceptions.NotSufficientRights
+     * @throws NoSuchOrder
+     */
+    public RedditExtractor(String subreddit)
+            throws IOException, NoSuchProperty, NoSuchFile,
+            NotSufficientRights, NoSuchOrder {
+        if (!doesSubredditExists(subreddit)) {
+            throw new MalformedURLException("This subreddit ("
+                    + subreddit + ") does not exist.");
+        } else {
+            this.sub = new SubReddit(subreddit);
+        }
+    }
+
+    /**
+     * Check if a subreddit exists.
+     *
+     * @param subredditName
+     * @return if a subreddit exists
+     */
+    public boolean doesSubredditExists(String subredditName) {
+        System.out.println("[*] Checking if subreddit /r/" + subredditName
+                + " exists.");
+        return ((new JsonParser()
+                .parse(getJsonFromURL(""
+                        + "https://www.reddit.com/api/search_reddit_names.json"
+                        + "?query=" + subredditName + "&exact=true"))
+                .getAsJsonObject().get("names").getAsJsonArray()
+                .size()) >= 1);
+    }
+
+    /**
+     * Obtain the subreddit JSON response.
+     *
+     * @return the JSON from the REDDIT API.
+     */
+    public String getSubredditJson() {
+        return getJsonFromURL(this.sub.getJsonURL());
+    }
+
+    /**
+     * Get JSON from URL.
+     *
+     * @param URL the JSON url.
+     * @return the JSON data as a String from the given URL.
+     */
+    public String getJsonFromURL(String URL) {
+        try {
+            System.out.println("[+] Obtaining JSON from URL " + URL + ".");
+            HttpURLConnection con;
+            URL myurl = new URL(URL);
+            con = (HttpURLConnection) myurl.openConnection();
+            try {
+                con.setRequestMethod("GET");
+                con.setRequestProperty("User-Agent", "Mozilla 5.0 (Windows; U; "
+                        + "Windows NT 5.1; en-US; rv:1.8.0.11) ");
+                StringBuilder response;
+                try (BufferedReader in = new BufferedReader(
+                        new InputStreamReader(con.getInputStream()))) {
+                    String line;
+                    response = new StringBuilder();
+                    while ((line = in.readLine()) != null) {
+                        response.append(line);
+                        response.append(System.lineSeparator());
+                    }
+                    return response.toString();
+                }
+            } finally {
+                con.disconnect();
+            }
+        } catch (IOException e) {
+            System.err.println("[!] IOException: " + e.getMessage());
+            System.out.println("[!] Retrying...");
+            return getJsonFromURL(URL);
+        }
+    }
+
+    /**
+     * Get Reddit's subreddit posts.
+     *
+     * @return a treeset of all the reddit posts parsed.
+     */
+    public HashSet<RedditPost> getRedditPosts() {
+        try {
+            HashSet<RedditPost> set = new HashSet<>();
+            String jsonResponse = getSubredditJson();
+            JsonObject objet = new JsonParser().parse(jsonResponse)
+                    .getAsJsonObject();
+            JsonObject data = new JsonParser().parse(objet.get("data")
+                    .toString()).getAsJsonObject();
+            JsonArray children = new JsonParser().parse(data.get("children")
+                    .toString()).getAsJsonArray();
+            for (int i = 0; i < children.size(); i++) {
+                JsonObject child = new JsonParser().parse(children.get(i)
+                        .toString()).getAsJsonObject();
+                JsonObject childData = new JsonParser().parse(child.get("data")
+                        .toString()).getAsJsonObject();
+                if (childData.get("id").toString() != null
+                        && !childData.get("quarantine").getAsBoolean()
+                        && childData.get("url").getAsString() != null) {
+                    String id = childData.get("id").toString();
+                    String title = childData.get("title") != null
+                            ? childData.get("title").toString()
+                            : this.sub.getName();
+                    title = title.replace("\"", "").replace("\\", "\"");
+                    String author = childData.get("author") != null
+                            ? childData.get("author").toString() : "anonymous";
+                    author = author.replace("\"", "");
+                    boolean quarantine = childData.get("quarantine")
+                            .getAsBoolean();
+                    double score = childData.get("score").getAsDouble();
+                    String postHint = childData.get("post_hint").getAsString();
+                    boolean crosspostable = !childData.get("is_crosspostable")
+                            .getAsBoolean();
+                    boolean over18 = childData.get("over_18").getAsBoolean();
+                    String url;
+                    try {
+                        JsonObject preview = new JsonParser().parse(childData
+                                .get("preview").toString()).getAsJsonObject();
+                        JsonArray previewImages = new JsonParser().parse(preview
+                                .get("images").toString()).getAsJsonArray();
+                        JsonObject source = new JsonParser().parse(previewImages
+                                .get(0).toString()).getAsJsonObject();
+                        JsonObject urlSrc = new JsonParser().parse(source
+                                .get("source").toString()).getAsJsonObject();
+                        url = urlSrc.get("url").toString().replace("amp;", "")
+                                .replace("\"", "");
+                    } catch (NullPointerException n) {
+                        url = childData.get("url").getAsString();
+                    }
+                    String permalink = childData.get("permalink").getAsString();
+                    boolean spoiler = childData.get("spoiler").getAsBoolean();
+
+                    if (postHint.contains("video")) {
+                        set.add(new RedditPostVideo(
+                                id, title, quarantine, score, postHint,
+                                crosspostable, over18, author,
+                                permalink, spoiler, url));
+                    } else if ("link".equals(postHint)) {
+                        set.add(new RedditPostLink(
+                                id, title, quarantine, score, postHint,
+                                crosspostable, over18, author,
+                                permalink, spoiler, url));
+                    } else if ("text".equals(postHint)) {
+                        set.add(new RedditPostText(
+                                id, title, quarantine, score, postHint,
+                                crosspostable, over18, author,
+                                permalink, spoiler, url));
+                    } else if ("image".equals(postHint)) {
+                        set.add(new RedditPostImage(
+                                id, title, quarantine, score, postHint,
+                                crosspostable, over18, author,
+                                permalink, spoiler, url));
+                    }
+                }
+            }
+            return set;
+        } catch (JsonSyntaxException e) {
+            System.err.println("[!] JsonSyntaxException: " + e.getMessage());
+            System.exit(1);
+        }
+        return null;
+    }
+}
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPost.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPost.java
similarity index 95%
rename from twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPost.java
rename to twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPost.java
index 4a72331..21396ae 100644
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPost.java
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPost.java
@@ -14,7 +14,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package twitter_techsupportgore_bot.reddit_handler;
+package TwitterTechSupportGoreBot.redditHandler;
 
 /**
  * This is an abstract class to define all RedditPosts.
@@ -93,7 +93,9 @@ public abstract class RedditPost {
      * @param spoiler is this post a spoiler?
      * @param url post's media url
      */
-    public RedditPost(String id, String title, boolean quarantine, double score, String postHint, boolean crosspostable, boolean over18, String author, String permalink, boolean spoiler, String url) {
+    public RedditPost(String id, String title, boolean quarantine, double score,
+            String postHint, boolean crosspostable, boolean over18,
+            String author, String permalink, boolean spoiler, String url) {
         this.postId = id;
         this.title = title;
         this.quarantine = quarantine;
@@ -109,6 +111,7 @@ public abstract class RedditPost {
 
     /**
      * Get post's URL.
+     *
      * @return the post's media URL.
      */
     public String getUrl() {
@@ -117,12 +120,13 @@ public abstract class RedditPost {
 
     /**
      * Check if the Media URL is correct.
+     *
      * @return if the URL is correct.
      */
     public boolean hasMediaUrl() {
         return url.contains(".jpg") || url.contains(".png");
     }
-    
+
     /**
      * Get post's title.
      *
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostImage.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostImage.java
similarity index 92%
rename from twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostImage.java
rename to twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostImage.java
index b939625..4132bd1 100644
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostImage.java
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostImage.java
@@ -14,20 +14,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package twitter_techsupportgore_bot.reddit_handler;
+package TwitterTechSupportGoreBot.redditHandler;
 
 /**
+ * Reddit image post object representation.
  *
  * @author louis
  */
 public class RedditPostImage extends RedditPost {
-    
-    public RedditPostImage(String id, String title, boolean quarantine, 
-            double score, String postHint, boolean crosspostable, 
+
+    public RedditPostImage(String id, String title, boolean quarantine,
+            double score, String postHint, boolean crosspostable,
             boolean over18, String author, String permalink, boolean spoiler, String url) {
         super(id, title, quarantine, score, postHint, crosspostable, over18, author, permalink, spoiler, url);
     }
-    
+
     @Override
     public boolean isImage() {
         return true;
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostLink.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostLink.java
similarity index 93%
rename from twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostLink.java
rename to twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostLink.java
index 5e9e2ad..18cbdfc 100644
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostLink.java
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostLink.java
@@ -14,10 +14,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package twitter_techsupportgore_bot.reddit_handler;
+package TwitterTechSupportGoreBot.redditHandler;
 
 /**
- *
+ *  Reddit link post object representation.
+ * 
  * @author louis
  */
 public class RedditPostLink extends RedditPost {
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostText.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostText.java
similarity index 93%
rename from twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostText.java
rename to twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostText.java
index 00731f8..dc7dfd2 100644
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostText.java
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostText.java
@@ -14,20 +14,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package twitter_techsupportgore_bot.reddit_handler;
+package TwitterTechSupportGoreBot.redditHandler;
 
 /**
+ * Reddit text post object representation.
  *
  * @author louis
  */
 public class RedditPostText extends RedditPost {
 
-    public RedditPostText(String id, String title, boolean quarantine, 
-            double score, String postHint, boolean crosspostable, 
+    public RedditPostText(String id, String title, boolean quarantine,
+            double score, String postHint, boolean crosspostable,
             boolean over18, String author, String permalink, boolean spoiler, String url) {
         super(id, title, quarantine, score, postHint, crosspostable, over18, author, permalink, spoiler, url);
     }
- 
+
     @Override
     public boolean isImage() {
         return false;
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostVideo.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostVideo.java
similarity index 89%
rename from twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostVideo.java
rename to twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostVideo.java
index f830c02..c5b6819 100644
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditPostVideo.java
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/RedditPostVideo.java
@@ -14,20 +14,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package twitter_techsupportgore_bot.reddit_handler;
+package TwitterTechSupportGoreBot.redditHandler;
 
 /**
+ * Reddit video post object representation.
  *
  * @author louis
  */
-public class RedditPostVideo extends RedditPost{
-    
-    public RedditPostVideo(String id, String title, boolean quarantine, 
-            double score, String postHint, boolean crosspostable, 
+public class RedditPostVideo extends RedditPost {
+
+    public RedditPostVideo(String id, String title, boolean quarantine,
+            double score, String postHint, boolean crosspostable,
             boolean over18, String author, String permalink, boolean spoiler, String url) {
         super(id, title, quarantine, score, postHint, crosspostable, over18, author, permalink, spoiler, url);
-    } 
-    
+    }
+
     @Override
     public boolean isImage() {
         return false;
@@ -47,5 +48,5 @@ public class RedditPostVideo extends RedditPost{
     public boolean isLink() {
         return false;
     }
-    
+
 }
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/SubReddit.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/SubReddit.java
similarity index 50%
rename from twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/SubReddit.java
rename to twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/SubReddit.java
index 94ada21..b10f9fa 100644
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/SubReddit.java
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/redditHandler/SubReddit.java
@@ -14,14 +14,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-package twitter_techsupportgore_bot.reddit_handler;
+package TwitterTechSupportGoreBot.redditHandler;
+
+import TwitterTechSupportGoreBot.ConfigFileReader;
+import TwitterTechSupportGoreBot.exceptions.NoSuchFile;
+import TwitterTechSupportGoreBot.exceptions.NoSuchOrder;
+import TwitterTechSupportGoreBot.exceptions.NoSuchProperty;
+import TwitterTechSupportGoreBot.exceptions.NotSufficientRights;
+import java.util.Arrays;
 
 /**
  * A subreddit.
  *
  * @author louis
  */
-public class SubReddit {
+public final class SubReddit {
 
     /**
      * Subreddit's name.
@@ -41,38 +48,71 @@ public class SubReddit {
     /**
      * Dist limit for the JSON api call.
      */
-    private int limit = 25;
-    
+    private int limit;
+
     /**
-     * Order for the JSON.
+     * Order for the JSON (by default, new).
      */
-    private String order = "new";
-    
+    private String order;
+
     /**
      * Main constructor.
      *
      * @param name subreddit's name
+     *
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchProperty
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchFile
+     * @throws TwitterTechSupportGoreBot.exceptions.NotSufficientRights
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchOrder
      */
-    public SubReddit(String name) {
+    public SubReddit(String name) throws NoSuchProperty, NoSuchFile,
+            NotSufficientRights, NoSuchOrder {
         this.name = name;
+        ConfigFileReader reader = new ConfigFileReader();
+        setLimit(Integer.valueOf(reader.getProperties("reddit_posts_limit")));
+        setOrder(reader.getProperties("reddit_posts_sorting_order"));
         this.url = "https://www.reddit.com/r/" + name + "/";
-        this.jsonURL = this.url.substring(0, this.url.length()) + order + ".json";
+        this.jsonURL
+                = this.url.substring(0, this.url.length()) + order + ".json";
     }
 
     /**
      * Set subreddit dist limit for parsing JSON file.
+     *
      * @param limit the limit between 1 and 100.
      */
     public void setLimit(int limit) {
         if (limit < 1 || limit > 100) {
-            throw new IllegalArgumentException("Limit should be between 1 and 100");
+            throw new IllegalArgumentException(
+                    "Limit should be between 1 and 100, and it was"
+                    + limit + ".");
         } else {
             this.limit = limit;
         }
     }
-    
+
+    /**
+     * Set order for the subreddit.
+     *
+     * @param order an order to set
+     *
+     * @throws NoSuchOrder
+     */
+    public void setOrder(String order) throws NoSuchOrder {
+        String[] availableOrders
+                = {"new", "hot", "best", "controversial", "top", "rising"};
+        if (!Arrays.asList(availableOrders).contains(order)) {
+            throw new NoSuchOrder("This order " + order
+                    + "isn't allowed. Orders allowed are: "
+                    + Arrays.toString(availableOrders));
+        } else {
+            this.order = order;
+        }
+    }
+
     /**
      * Get subreddit dist limit.
+     *
      * @return the limit.
      */
     public int getLimit() {
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/SocialMediaPoster.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/SocialMediaPoster.java
new file mode 100644
index 0000000..b2f2a82
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/SocialMediaPoster.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.socialMediaHandler;
+
+/**
+ * Interface to specify what methods should social media posters implement.
+ *
+ * @author louis
+ */
+public interface SocialMediaPoster {
+
+    public String getSocialMediaName();
+
+    public long postText(String text);
+
+    public long postImage(String imagePath);
+
+    public long postImage(String text, String imagePath);
+
+    public long replyText(String text, long tweetId);
+}
diff --git a/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/TwitterBot.java b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/TwitterBot.java
new file mode 100644
index 0000000..174a376
--- /dev/null
+++ b/twitter_techsupportgore_bot/src/TwitterTechSupportGoreBot/socialMediaHandler/TwitterBot.java
@@ -0,0 +1,204 @@
+/*
+ * Copyright (C) 2019 louis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package TwitterTechSupportGoreBot.socialMediaHandler;
+
+import TwitterTechSupportGoreBot.ConfigFileReader;
+import TwitterTechSupportGoreBot.exceptions.NoSuchFile;
+import TwitterTechSupportGoreBot.exceptions.*;
+import java.io.File;
+import twitter4j.StatusUpdate;
+import twitter4j.Twitter;
+import twitter4j.TwitterException;
+import twitter4j.TwitterFactory;
+import twitter4j.conf.ConfigurationBuilder;
+
+/**
+ * Twutter Bot object.
+ *
+ * @author louis
+ */
+public final class TwitterBot implements SocialMediaPoster {
+
+    /**
+     * The twitter link.
+     */
+    private final Twitter twitter;
+
+    /**
+     * The Twitter API consumer key.
+     */
+    private final String consumerKey;
+
+    /**
+     * The Twitter API consumer secret.
+     */
+    private final String consumerSecret;
+
+    /**
+     * The Twitter API access token.
+     */
+    private final String accessToken;
+
+    /**
+     * The Twitter API access secret.
+     */
+    private final String accessSecret;
+
+    /**
+     * Main constructor for the Twitter Bot.
+     *
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchFile
+     * @throws TwitterTechSupportGoreBot.exceptions.NotSufficientRights
+     * @throws TwitterTechSupportGoreBot.exceptions.NoSuchProperty
+     */
+    public TwitterBot() throws NoSuchFile, NotSufficientRights, NoSuchProperty {
+        ConfigFileReader reader = new ConfigFileReader();
+        this.consumerKey = reader.getProperties("twitterAPI_consumerKey");
+        this.consumerSecret = reader.getProperties("twitterAPI_consumerSecret");
+        this.accessToken = reader.getProperties("twitterAPI_accessToken");
+        this.accessSecret = reader.getProperties("twitterAPI_accessSecret");
+
+        ConfigurationBuilder cb = new ConfigurationBuilder();
+        cb.setDebugEnabled(true)
+                .setOAuthConsumerKey(consumerKey)
+                .setOAuthConsumerSecret(consumerSecret)
+                .setOAuthAccessToken(accessToken)
+                .setOAuthAccessTokenSecret(accessSecret);
+
+        TwitterFactory factory = new TwitterFactory(cb.build());
+        this.twitter = factory.getInstance();
+
+        showScreenName();
+    }
+
+    /**
+     * Print the bot's screen name.
+     */
+    public void showScreenName() {
+        try {
+            System.out.println("[+] Connected as user @"
+                    + this.twitter.getScreenName()
+                    + " on " + getSocialMediaName() + ".");
+        } catch (TwitterException te) {
+            System.err.println("[!] TwitterException: " + te.getMessage());
+            System.exit(1);
+        }
+    }
+
+    /**
+     * Tweet a text.
+     *
+     * @param text the text to tweet.
+     * @return the tweet's id.
+     */
+    @Override
+    public long postText(String text) {
+        try {
+            System.out.println("[+] Tweeting \"" + text + "\".");
+            return twitter.updateStatus(text).getId();
+        } catch (TwitterException te) {
+            System.err.println("[!] TwitterException: " + te.getMessage());
+        }
+        return 0;
+    }
+
+    /**
+     * Tweet an image.
+     *
+     * @param imagePath the path to the image.
+     * @return the tweet's id.
+     */
+    @Override
+    public long postImage(String imagePath) {
+        System.out.println("[+] Tweeting image.");
+        File file = new File(imagePath);
+
+        StatusUpdate status = new StatusUpdate("");
+        status.setMedia(file);
+        try {
+            return twitter.updateStatus(status).getId();
+        } catch (TwitterException te) {
+            System.err.println("[!] TwitterException: " + te.getMessage());
+        }
+        return 0;
+    }
+
+    /**
+     * Post an image with some text.
+     *
+     * @param text image's caption.
+     * @param imagePath path to the image.
+     * @return the tweet's id.
+     */
+    @Override
+    public long postImage(String text, String imagePath) {
+        System.out.println("[+] Tweeting image with caption \"" + text + "\".");
+        File file = new File(imagePath);
+
+        StatusUpdate status = new StatusUpdate(text);
+        status.setMedia(file);
+        try {
+            return twitter.updateStatus(status).getId();
+        } catch (TwitterException te) {
+            System.err.println("[!] TwitterException: " + te.getMessage());
+        }
+        return 0;
+    }
+
+    /**
+     * Get the social media name.
+     *
+     * @return the social media name.
+     */
+    @Override
+    public String getSocialMediaName() {
+        return "Twitter";
+    }
+
+    /**
+     * Get the screen name.
+     *
+     * @return the user's screen name.
+     * 
+     * @throws TwitterException
+     */
+    public String getScreenName() throws TwitterException {
+        return this.twitter.getScreenName();
+    }
+
+    /**
+     * Reply to a tweet.
+     *
+     * @param text the text to tweet.
+     * @param tweetId the tweet id.
+     * @return the reply's id.
+     */
+    @Override
+    public long replyText(String text, long tweetId) {
+        System.out.println("[+] Replying \"" + text + "\" to tweet "
+                + tweetId + ".");
+        StatusUpdate statusReply = new StatusUpdate(text);
+        statusReply.setInReplyToStatusId(tweetId);
+        try {
+            twitter.updateStatus(statusReply);
+        } catch (TwitterException ex) {
+            System.err.println("TwitterException: " + ex.getMessage());
+        }
+        return statusReply.getInReplyToStatusId();
+    }
+
+}
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Hypervisor.java b/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Hypervisor.java
deleted file mode 100644
index d49c1b0..0000000
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Hypervisor.java
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2019 louis
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package twitter_techsupportgore_bot;
-
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.net.URL;
-
-/**
- * Singleton Hypervisor. This is the object that does everything. So we want it
- * to be unique. That's why it's a singleton.
- *
- * @author louis
- */
-public class Hypervisor {
-
-    /**
-     * Private constructor so nobody except this obect can build this object.
-     */
-    private Hypervisor() {
-    }
-
-    /**
-     * The singleton.
-     */
-    private static Hypervisor SINGLETON = null;
-
-    /**
-     * Get the Singleton Hypervisor instance.
-     *
-     * @return the instance.
-     */
-    public static Hypervisor getSingleton() {
-        if (SINGLETON == null) {
-            SINGLETON = new Hypervisor();
-        }
-        return SINGLETON;
-    }
-
-    /**
-     * Save Image from URL. Modified version of the code that can be found atF
-     * https://www.programcreek.com/2012/12/download-image-from-url-in-java/
-     *
-     * @param imageUrl the image URL.
-     * @throws IOException
-     */
-    public static void saveImage(String imageUrl) throws IOException {
-        URL url = new URL(imageUrl);
-        String fileName = url.getFile();
-        String destName = "../downloads" + fileName.substring(fileName.lastIndexOf("/"), fileName.lastIndexOf("?"));
-
-        InputStream is = url.openStream();
-        OutputStream os = new FileOutputStream(destName);
-
-        byte[] b = new byte[2048];
-        int length;
-
-        while ((length = is.read(b)) != -1) {
-            os.write(b, 0, length);
-        }
-
-        is.close();
-        os.close();
-    }
-
-}
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Twitter_techsupportgore_bot.java b/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Twitter_techsupportgore_bot.java
deleted file mode 100644
index 2136e1b..0000000
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/Twitter_techsupportgore_bot.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2019 louis
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package twitter_techsupportgore_bot;
-
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.ProtocolException;
-import java.util.TreeSet;
-import twitter_techsupportgore_bot.reddit_handler.*;
-
-/**
- * This is where everything begins.
- *
- * @author louis
- */
-public class Twitter_techsupportgore_bot {
-
-    /**
-     * Delay between two scans, in seconds.
-     */
-    private static final int DELAY = 5;
-
-    /**
-     * Subreddit to extract info from.
-     */
-    private static final String SUBREDDIT = "techsupportgore";
-
-    /**
-     * Launch the bot.
-     *
-     * @param args the command line arguments
-     * @throws java.net.MalformedURLException
-     * @throws java.net.ProtocolException
-     */
-    public static void main(String[] args) throws MalformedURLException,
-            ProtocolException, IOException {
-
-        TreeSet<RedditPost> postsIndexed = new TreeSet<>();
-        RedditExtractor red = new RedditExtractor(SUBREDDIT);
-        for (RedditPost r : red.getRedditPosts()) {
-            Hypervisor.saveImage(r.getUrl());
-        }
-    }
-}
diff --git a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditExtractor.java b/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditExtractor.java
deleted file mode 100644
index c82eebb..0000000
--- a/twitter_techsupportgore_bot/src/twitter_techsupportgore_bot/reddit_handler/RedditExtractor.java
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * Copyright (C) 2019 louis
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package twitter_techsupportgore_bot.reddit_handler;
-
-import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
-import java.net.ProtocolException;
-import java.net.URL;
-import java.util.HashSet;
-
-/**
- * Reddit extractor object.
- *
- * @author louis
- */
-public final class RedditExtractor {
-
-    /**
-     * Subreddit to extract infos from.
-     */
-    private final SubReddit sub;
-
-    /**
-     * Main Constructor.
-     *
-     * @param subreddit Subreddit name. Just after /r/
-     * @throws IOException
-     */
-    public RedditExtractor(String subreddit) throws IOException {
-        if (!doesSubredditExists(subreddit)) {
-            throw new MalformedURLException("This subreddit (" + subreddit + ") does not exist.");
-        } else {
-            this.sub = new SubReddit(subreddit);
-        }
-    }
-
-    /**
-     * Check if a subreddit exists.
-     *
-     * TODO: FIND A BETTER WAY TO DO THAT
-     *
-     * @param subredditName
-     * @return
-     * @throws MalformedURLException
-     * @throws ProtocolException
-     * @throws IOException
-     */
-    public boolean doesSubredditExists(String subredditName)
-            throws MalformedURLException, IOException {
-        String urlToTest = "https://www.reddit.com/r/" + subredditName + "/";
-        HttpURLConnection huc = (HttpURLConnection) (new URL(urlToTest).openConnection());
-        huc.setRequestProperty("User-Agent", "Mozilla 5.0 (Windows; U; "
-                + "Windows NT 5.1; en-US; rv:1.8.0.11) ");
-        huc.setRequestMethod("HEAD");
-        huc.connect();
-
-        int respCode = huc.getResponseCode();
-        return respCode < 400;
-    }
-
-    /**
-     * Obtain the subreddit JSON response.
-     *
-     * @return the JSON from the REDDIT api.
-     * @throws MalformedURLException
-     * @throws ProtocolException
-     * @throws IOException
-     */
-    public String getSubredditJson() throws MalformedURLException, ProtocolException, IOException {
-        HttpURLConnection con;
-        URL myurl = new URL(this.sub.getJsonURL());
-        con = (HttpURLConnection) myurl.openConnection();
-        try {
-            con.setRequestMethod("GET");
-            con.setRequestProperty("User-Agent", "Mozilla 5.0 (Windows; U; "
-                    + "Windows NT 5.1; en-US; rv:1.8.0.11) ");
-            StringBuilder response;
-            try (BufferedReader in = new BufferedReader(
-                    new InputStreamReader(con.getInputStream()))) {
-                String line;
-                response = new StringBuilder();
-                while ((line = in.readLine()) != null) {
-                    response.append(line);
-                    response.append(System.lineSeparator());
-                }
-                return response.toString();
-            }
-        } finally {
-            con.disconnect();
-        }
-    }
-
-    /**
-     * Get Reddit's subreddit posts.
-     *
-     * @return a treeset of all the reddit posts parsed.
-     * @throws java.net.ProtocolException
-     * @throws java.net.MalformedURLException
-     */
-    public HashSet<RedditPost> getRedditPosts() throws ProtocolException, IOException, MalformedURLException {
-        HashSet<RedditPost> set = new HashSet<>();
-        String jsonResponse = getSubredditJson();
-        JsonObject objet = new JsonParser().parse(jsonResponse).getAsJsonObject();
-        JsonObject data = new JsonParser().parse(objet.get("data").toString()).getAsJsonObject();
-        JsonArray children = new JsonParser().parse(data.get("children").toString()).getAsJsonArray();
-        for (int i = 0; i < children.size(); i++) {
-            JsonObject child = new JsonParser().parse(children.get(i).toString()).getAsJsonObject();
-            JsonObject childData = new JsonParser().parse(child.get("data").toString()).getAsJsonObject();
-            if (childData.get("id").toString() != null
-                    && !childData.get("quarantine").getAsBoolean()
-                    && childData.get("url").getAsString() != null) {
-                String id = childData.get("id").toString();
-                String title = childData.get("title") != null
-                        ? childData.get("title").toString() : this.sub.getName();
-                title = title.replace("\"", "").replace("\\", "\"");
-                String author = childData.get("author") != null
-                        ? childData.get("author").toString() : "anonymous";
-                boolean quarantine = childData.get("quarantine").getAsBoolean();
-                double score = childData.get("score").getAsDouble();
-                String postHint = childData.get("post_hint").getAsString();
-                boolean crosspostable = !childData.get("is_crosspostable").getAsBoolean();
-                boolean over18 = childData.get("over_18").getAsBoolean();
-                String url;
-                try {
-                    JsonObject preview = new JsonParser().parse(childData.get("preview").toString()).getAsJsonObject();
-                    JsonArray previewImages = new JsonParser().parse(preview.get("images").toString()).getAsJsonArray();
-                    JsonObject source = new JsonParser().parse(previewImages.get(0).toString()).getAsJsonObject();
-                    JsonObject urlSrc = new JsonParser().parse(source.get("source").toString()).getAsJsonObject();
-                    url = urlSrc.get("url").toString().replace("amp;", "").replace("\"", "");
-                } catch (NullPointerException n) {
-                    url = childData.get("url").getAsString();
-                }
-                String permalink = childData.get("url").getAsString();
-                boolean spoiler = childData.get("spoiler").getAsBoolean();
-
-                if (postHint.contains("video")) {
-                    set.add(new RedditPostVideo(
-                            id, title, quarantine, score, postHint,
-                            crosspostable, over18, author,
-                            permalink, spoiler, url));
-                } else if ("link".equals(postHint)) {
-                    set.add(new RedditPostLink(
-                            id, title, quarantine, score, postHint,
-                            crosspostable, over18, author,
-                            permalink, spoiler, url));
-                } else if ("text".equals(postHint)) {
-                    set.add(new RedditPostText(
-                            id, title, quarantine, score, postHint,
-                            crosspostable, over18, author,
-                            permalink, spoiler, url));
-                } else if ("image".equals(postHint)) {
-                    set.add(new RedditPostImage(
-                            id, title, quarantine, score, postHint,
-                            crosspostable, over18, author,
-                            permalink, spoiler, url));
-                }
-            }
-        }
-        return set;
-    }
-}