common.gradle

/*
 * Hello Minecraft! Launcher.
 * Copyright (C) 2013  huangyuhui <huanghongxun2008@126.com>
 * 
 * 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/}.
 */
import java.util.jar.JarFile
import java.util.jar.Pack200
import java.util.zip.GZIPOutputStream
import java.security.MessageDigest

apply plugin: 'java'
apply plugin: 'maven'

[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'

repositories {
    mavenCentral();
}

buildscript {
    repositories {
        mavenCentral();
    }
}

dependencies {
    compile 'com.google.code.gson:gson:2.2.4' // Apache License 2.0
}

task sourcesJar(type: Jar, dependsOn: classes, description: 'Creates a jar from the source files.') {
    classifier = 'sources'
    from sourceSets.main.allSource
}

artifacts {
    archives jar
    archives sourcesJar
}

task createFolders(description: 'Creates the source folders if they do not exist.') doLast {
    sourceSets*.allSource*.srcDirs*.each { File srcDir ->
        if (!srcDir.isDirectory()) {
            println "Creating source folder: ${srcDir}"
            srcDir.mkdirs()
        }
    }
}

task makeExecutable(dependsOn: jar) << {
    ext {
        jar.classifier = ''
        makeExecutableinjar = jar.archivePath
        jar.classifier = ''
        makeExecutableoutjar = jar.archivePath
        jar.classifier = ''
    }
    def loc = new File(project.buildDir, "libs/" + makeExecutableoutjar.getName().substring(0, makeExecutableoutjar.getName().length()-4)+".exe")
    def fos = new FileOutputStream(loc)
    def is = new FileInputStream(new File(project.buildDir, '../HMCLauncher.exe'))
    int read
    def bytes = new byte[8192]
    while((read = is.read(bytes)) != -1)
        fos.write(bytes, 0, read);
    is.close()
    is = new FileInputStream(makeExecutableinjar)
    while((read = is.read(bytes)) != -1)
        fos.write(bytes, 0, read);
    is.close()
    fos.close()
}

task makePackGZ(dependsOn: jar) << {
    ext {
        jar.classifier = ''
        makeExecutableinjar = jar.archivePath
        jar.classifier = ''
        makeExecutableoutjar = jar.archivePath
        jar.classifier = ''
    }
    def loc = new File(project.buildDir, "libs/" + makeExecutableoutjar.getName().substring(0, makeExecutableoutjar.getName().length()-4)+".pack.gz")
    def os = new GZIPOutputStream(new FileOutputStream(loc))
    Pack200.newPacker().pack new JarFile(makeExecutableinjar), os
    os.close()
    
    def messageDigest = MessageDigest.getInstance("SHA1")
    loc.eachByte 1024 * 1024, { byte[] buf, int bytesRead ->
        messageDigest.update(buf, 0, bytesRead);
    }
    def sha1Hex = new BigInteger(1, messageDigest.digest()).toString(16).padLeft(40, '0')
    def fileEx = new File(project.buildDir, "libs/" + makeExecutableoutjar.getName().substring(0, makeExecutableoutjar.getName().length()-4)+".pack.gz.sha1")
    if (!fileEx.exists()) fileEx.createNewFile()
    fileEx.append sha1Hex
}