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‎ReadMe.md‎

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# MinecraftUnblocker
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## Description
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Copies a select Minecraft version and removes the blocking server implementation.
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An alternative to downloading the forge client
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## Images
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![Unblocked client](http://i.imgur.com/Ld7tCZU.png)

‎pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.github.games647</groupId>
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<artifactId>minecraftunblocker</artifactId>
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<packaging>jar</packaging>
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<name>MinecraftUnblocker</name>
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<version>1.0</version>
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<inceptionYear>2016</inceptionYear>
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<url>https://github.com/games647/MinecraftUnblocker/</url>
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<description>
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Lets you connect to blocked servers again
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</description>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<issueManagement>
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<system>GitHub</system>
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<url>https://github.com/games647/MinecraftUnblocker/issues</url>
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</issueManagement>
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<scm>
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<url>https://github.com/games647/MinecraftUnblocker</url>
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<connection>scm:git:git://github.com/games647/MinecraftUnblocker.git</connection>
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<developerConnection>scm:git:ssh://git@github.com:games647/MinecraftUnblocker.git</developerConnection>
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</scm>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.5.1</version>
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<configuration>
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<source>1.8</source>
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<target>1.8</target>
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<showWarnings>true</showWarnings>
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<showDeprecation>true</showDeprecation>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>2.4.3</version>
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<configuration>
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<artifactSet>
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<includes>
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<include>com.googlecode.json-simple:json-simple</include>
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</includes>
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</artifactSet>
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</configuration>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>2.6</version>
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<configuration>
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<archive>
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<manifest>
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<mainClass>com.github.games647.minecraftunblocker.MinecraftUnblocker</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<licenses>
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<license>
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<name>The MIT License</name>
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<url>http://opensource.org/licenses/MIT</url>
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<distribution>repo</distribution>
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</license>
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</licenses>
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<dependencies>
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<dependency>
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<groupId>com.googlecode.json-simple</groupId>
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<artifactId>json-simple</artifactId>
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<version>1.1.1</version>
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</dependency>
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</dependencies>
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</project>

‎src/main/java/com/github/games647/minecraftunblocker/MinecraftUnblocker.java‎

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package com.github.games647.minecraftunblocker;
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import java.awt.FlowLayout;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import java.util.stream.Stream;
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import javax.swing.JButton;
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import javax.swing.JComboBox;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JOptionPane;
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import org.json.simple.JSONArray;
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import org.json.simple.JSONObject;
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import org.json.simple.JSONValue;
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import org.json.simple.parser.ParseException;
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public class MinecraftUnblocker {
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public static void main(String[] args) {
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File minecraftFolder = getWorkingDirectory();
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final File versionsFolder = new File(minecraftFolder, "versions/");
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List<String> selectItems = new ArrayList<>();
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selectItems.add("SELECT");
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Stream.of(versionsFolder.list()).forEach((fileName) -> selectItems.add(fileName));
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versionsFolder.listFiles();
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JFrame frame = new JFrame();
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FlowLayout experimentLayout = new FlowLayout();
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frame.setLayout(experimentLayout);
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.add(new JLabel("Select the version you want to unblock"));
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final JComboBox<String> list = new JComboBox(selectItems.toArray());
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frame.add(list);
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JButton button = new JButton("Unblock");
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frame.add(button);
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frame.pack();
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frame.setVisible(true);
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button.addActionListener(new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent actionEvent) {
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String selectedVersion = (String) list.getSelectedItem();
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File sourceFolder = new File(versionsFolder, selectedVersion);
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if (!sourceFolder.exists() || !sourceFolder.isDirectory()) {
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JOptionPane.showMessageDialog(frame, "Folder not found");
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} else {
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File destinationDir = new File(versionsFolder, selectedVersion + "-Unblock");
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destinationDir.mkdir();
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Path sourceJsonFile = new File(sourceFolder, selectedVersion + ".json").toPath();
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Path targetJsonFile = new File(destinationDir, selectedVersion + "-Unblock" + ".json").toPath();
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Path sourceJarFile = new File(sourceFolder, selectedVersion + ".jar").toPath();
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Path targetJarFile = new File(destinationDir, selectedVersion + "-Unblock" + ".jar").toPath();
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try {
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Files.copy(sourceJarFile, targetJarFile);
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Files.copy(sourceJsonFile, targetJsonFile);
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JSONObject json = (JSONObject) JSONValue
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.parseWithException(new FileReader(targetJsonFile.toFile()));
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json.put("id", selectedVersion + "-Unblock");
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JSONArray libraries = (JSONArray) json.get("libraries");
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for (Object libraryObj : libraries) {
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JSONObject library = (JSONObject) libraryObj;
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String name = (String) library.get("name");
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if (name.startsWith("com.mojang:netty")) {
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libraries.remove(libraryObj);
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break;
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}
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}
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Files.write(targetJsonFile, Arrays.asList(json.toJSONString()), StandardCharsets.UTF_8);
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JOptionPane.showMessageDialog(frame, "Sucessfully created an unblocked version. \n"
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+ "Now restart your launcher and select the version with the suffix -Unblock");
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} catch (IOException | ParseException ex) {
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Logger.getLogger(MinecraftUnblocker.class.getName()).log(Level.SEVERE, null, ex);
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JOptionPane.showMessageDialog(frame, "Error " + ex.getMessage());
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}
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}
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}
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});
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}
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public static File getWorkingDirectory() {
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String userHome = System.getProperty("user.home", ".");
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File workingDirectory;
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switch (OS.getPlatform()){
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case LINUX:
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case SOLARIS:
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workingDirectory = new File(userHome, ".minecraft/");
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break;
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case WINDOWS:
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String applicationData = System.getenv("APPDATA");
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String folder = applicationData != null ? applicationData : userHome;
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workingDirectory = new File(folder, ".minecraft/");
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break;
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case MACOS:
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workingDirectory = new File(userHome, "Library/Application Support/minecraft");
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break;
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default:
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workingDirectory = new File(userHome, "minecraft/");
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}
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return workingDirectory;
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}
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}

‎src/main/java/com/github/games647/minecraftunblocker/OS.java‎

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/*
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* The MIT License
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*
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* Copyright 2016 Win7Home.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.github.games647.minecraftunblocker;
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public enum OS {
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WINDOWS,
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MACOS,
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SOLARIS,
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LINUX,
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UNKNOWN;
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private OS() {
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}
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public static OS getPlatform() {
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String osName = System.getProperty("os.name").toLowerCase();
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if (osName.contains("win")) {
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return OS.WINDOWS;
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}
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if (osName.contains("mac")) {
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return OS.MACOS;
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}
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if (osName.contains("linux")) {
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return OS.LINUX;
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}
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if (osName.contains("unix")) {
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return OS.LINUX;
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}
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return OS.UNKNOWN;
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}
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}

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