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‎.gitignore‎

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target/
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.idea/
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outputs/
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*.iml
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*.iws
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.DS_Store
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*.txt
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*.json
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/src/test/

‎README.md‎

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# Quboscanner
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## Usage
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Java 8+ is required to run the scanner.
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To run it in GUI mode just double click it.
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To run it in CLI mode use a terminal:
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`java -Dfile.encoding=UTF-8 -jar qubo.jar -range 164.132.200.* -ports 25565-25577 -th 500 -ti 1000`
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## Building
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To build the software clone this repository with Intellij IDEA
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and use maven to compile and package the binary.
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Feel free to fork and make changes, any pull request is welcome.

‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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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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<properties>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<groupId>me.reply.qubo</groupId>
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<artifactId>quboscanner</artifactId>
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<version>0.3.6</version>
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<dependencies>
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<dependency>
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<groupId>com.google.code.gson</groupId>
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<artifactId>gson</artifactId>
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<version>2.8.6</version>
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</dependency>
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<dependency>
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<groupId>net.java.dev.jna</groupId>
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<artifactId>jna-platform</artifactId>
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<version>5.5.0</version>
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</dependency>
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<dependency>
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<groupId>com.formdev</groupId>
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<artifactId>flatlaf</artifactId>
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<version>0.27</version>
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</dependency>
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<dependency>
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<groupId>com.intellij</groupId>
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<artifactId>forms_rt</artifactId>
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<version>7.0.3</version>
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</dependency>
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<dependency>
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<groupId>commons-cli</groupId>
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<artifactId>commons-cli</artifactId>
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<version>1.4</version>
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</dependency>
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<dependency>
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<groupId>com.github.seancfoley</groupId>
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<artifactId>ipaddress</artifactId>
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<version>5.2.1</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<version>4.5.11</version>
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</dependency>
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</dependencies>
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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-assembly-plugin</artifactId>
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<version>2.4.1</version>
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<configuration>
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<!-- get all project dependencies -->
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<descriptorRefs>
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<descriptorRef>jar-with-dependencies</descriptorRef>
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</descriptorRefs>
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<!-- MainClass in mainfest make a executable jar -->
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<archive>
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<manifest>
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<mainClass>qubo.Main</mainClass>
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</manifest>
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</archive>
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</configuration>
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<executions>
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<execution>
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<id>make-assembly</id>
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<!-- bind to the packaging phase -->
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<phase>package</phase>
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<goals>
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<goal>single</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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<configuration>
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<archive>
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<manifest>
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<mainClass>qubo.Main</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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</project>

‎src/main/java/mcping/MCPing.java‎

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package mcping;
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import java.io.IOException;
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import java.net.InetSocketAddress;
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import com.google.gson.Gson;
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import mcping.data.*;
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public class MCPing
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{
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public FinalResponse getPing(PingOptions options) throws IOException
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{
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final Gson gson = new Gson();
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Pinger a = new Pinger();
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a.setAddress(new InetSocketAddress(options.getHostname(),options.getPort()));
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a.setTimeout(options.getTimeout());
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String json = a.fetchData();
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if(json != null){
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if(json.contains("{"))
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{
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if(json.contains("\"modid\"") && json.contains("\"translate\"")){ //it's a forge response translate
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return gson.fromJson(json, ForgeResponseTranslate.class).toFinalResponse();
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}
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else if(json.contains("\"modid\"") && json.contains("\"text\"")){ //it's a normal forge response
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return gson.fromJson(json, ForgeResponse.class).toFinalResponse();
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}
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else if(json.contains("\"modid\"")){ //it's an old forge response
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return gson.fromJson(json, ForgeResponseOld.class).toFinalResponse();
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}
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else if(json.contains("\"extra\"")){ //it's an extra response
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return gson.fromJson(json,ExtraResponse.class).toFinalResponse();
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}
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else if(json.contains("\"text\"")){ //it's a new response
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return gson.fromJson(json,NewResponse.class).toFinalResponse();
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}
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else { //it's an old response
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return gson.fromJson(json,OldResponse.class).toFinalResponse();
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}
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}
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}
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return null;
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}
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}

‎src/main/java/mcping/PingOptions.java‎

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package mcping;
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public class PingOptions {
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private String hostname;
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private int port;
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private int timeout;
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//private String charset = "UTF-8";
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public PingOptions setHostname(String hostname) {
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this.hostname = hostname;
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return this;
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}
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public PingOptions setPort(int port) {
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this.port = port;
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return this;
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}
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public PingOptions setTimeout(int timeout) {
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this.timeout = timeout;
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return this;
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}
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/*public PingOptions setCharset(String charset) {
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this.charset = charset;
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return this;
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}*/
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String getHostname() {
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return this.hostname;
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}
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int getPort() {
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return this.port;
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}
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public int getTimeout() {
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return this.timeout;
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}
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/*public String getCharset() {
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return this.charset;
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}*/
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}

‎src/main/java/mcping/Pinger.java‎

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package mcping;
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import java.io.ByteArrayOutputStream;
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import java.io.Closeable;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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class Pinger
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{
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private InetSocketAddress host;
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private int timeout;
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void setAddress(InetSocketAddress host)
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{
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this.host = host;
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}
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void setTimeout(int timeout)
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{
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this.timeout = timeout;
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}
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private int readVarInt(DataInputStream in) throws IOException {
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int i = 0;
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int j = 0;
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int k;
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do
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{
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k = in.readByte();
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i |= (k & 0x7F) << j++ * 7;
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if (j > 5) {
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//throw new RuntimeException("VarInt too big");
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return -1;
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}
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} while ((k & 0x80) == 128);
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return i;
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}
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private void writeVarInt(DataOutputStream out, int paramInt) throws IOException {
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for (;;)
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{
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if ((paramInt & 0xFFFFFF80) == 0)
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{
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out.writeByte(paramInt);
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return;
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}
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out.writeByte(paramInt & 0x7F | 0x80);
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paramInt >>>= 7;
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}
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}
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public String fetchData() throws IOException
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{
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Socket socket = new Socket();
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socket.setSoTimeout(this.timeout);
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socket.connect(this.host, this.timeout);
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OutputStream outputStream = socket.getOutputStream();
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DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
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InputStream inputStream = socket.getInputStream();
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ByteArrayOutputStream b = new ByteArrayOutputStream();
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DataOutputStream handshake = new DataOutputStream(b);
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handshake.writeByte(0);
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writeVarInt(handshake, 4);
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writeVarInt(handshake, this.host.getHostString().length());
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handshake.writeBytes(this.host.getHostString());
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handshake.writeShort(this.host.getPort());
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writeVarInt(handshake, 1);
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writeVarInt(dataOutputStream, b.size());
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dataOutputStream.write(b.toByteArray());
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dataOutputStream.writeByte(1);
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dataOutputStream.writeByte(0);
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DataInputStream dataInputStream = new DataInputStream(inputStream);
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int size = readVarInt(dataInputStream);
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int id = readVarInt(dataInputStream);
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int length = readVarInt(dataInputStream);
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if (size < 0 || id < 0 || length <= 0)
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{
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closeAll(b, dataInputStream, handshake, dataOutputStream, outputStream, inputStream, socket);
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return null;
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}
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byte[] in = new byte[length];
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dataInputStream.readFully(in);
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closeAll(b, dataInputStream, handshake, dataOutputStream, outputStream, inputStream, socket);
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return new String(in); //JSON
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}
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public void closeAll(Closeable... closeables) throws IOException
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{
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for (Closeable closeable : closeables)
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{
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closeable.close();
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}
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}
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}

‎src/main/java/mcping/data/ExtraResponse.java‎

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package mcping.data;
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import com.google.gson.annotations.SerializedName;
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import mcping.rawData.ExtraDescription;
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public class ExtraResponse extends MCResponse {
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@SerializedName("description")
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private ExtraDescription description;
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public FinalResponse toFinalResponse(){
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return new FinalResponse(players,version,favicon,description.getText());
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}
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}

‎src/main/java/mcping/data/FinalResponse.java‎

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package mcping.data;
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import mcping.rawData.Players;
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import mcping.rawData.Version;
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public class FinalResponse extends MCResponse {
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private final String description;
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public FinalResponse(Players players, Version version,String favicon,String description){
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this.description = description;
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this.favicon = favicon;
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this.players = players;
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this.version = version;
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}
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public Players getPlayers() {
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return players;
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}
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public Version getVersion() {
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return version;
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}
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public String getDescription() {
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return description;
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}
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}

‎src/main/java/mcping/data/ForgeResponse.java‎

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package mcping.data;
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import com.google.gson.annotations.SerializedName;
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import mcping.rawData.*;
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public class ForgeResponse {
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@SerializedName("description")
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private Description description;
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@SerializedName("players")
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private Players players;
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@SerializedName("version")
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private Version version;
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@SerializedName("modinfo")
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private ForgeModInfo modinfo;
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public FinalResponse toFinalResponse(){
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version.setName(version.getName() + " FML with " + modinfo.getNMods() + " mods");
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return new FinalResponse(players,version,"",description.getText());
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}
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}

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