TaskCompressLZMA.java

/*
 * A Gradle plugin for the creation of Minecraft mods and MinecraftForge plugins.
 * Copyright (C) 2013 Minecraft Forge
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
 * USA
 */
package net.minecraftforge.gradle.patcher;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import lzma.streams.LzmaOutputStream;
import net.minecraftforge.gradle.util.caching.Cached;
import net.minecraftforge.gradle.util.caching.CachedTask;
import net.minecraftforge.gradle.util.delayed.DelayedFile;

import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.TaskAction;

import com.google.common.io.ByteStreams;

class TaskCompressLZMA extends CachedTask
{
    @InputFile
    private Object inputFile;

    @Cached
    @OutputFile
    private Object outputFile;

    //@formatter:off
    public TaskCompressLZMA() { }
    //@formatter:on

    @TaskAction
    public void doTask() throws IOException
    {
        final BufferedInputStream in = new BufferedInputStream(new FileInputStream(getInputFile()));
        final OutputStream out = new LzmaOutputStream.Builder(new FileOutputStream(getOutputFile()))
                .useEndMarkerMode(true)
                .build();

        ByteStreams.copy(in, out);

        in.close();
        out.close();
    }

    public File getInputFile()
    {
        return getProject().file(inputFile);
    }

    public void setInputFile(DelayedFile inputFile)
    {
        this.inputFile = inputFile;

        if (outputFile == null)
        {
            outputFile = inputFile;
        }
    }

    public File getOutputFile()
    {
        return getProject().file(outputFile);
    }

    public void setOutputFile(DelayedFile outputFile)
    {
        this.outputFile = outputFile;
    }
}