gool.executor.java.JavaCompiler.java Source code

Introduction

Here is the source code for gool.executor.java.JavaCompiler.java

Source

/*
 * Copyright 2010 Pablo Arrighi, Alex Concha, Miguel Lezama for version 1.
 * Copyright 2013 Pablo Arrighi, Miguel Lezama, Kevin Mazet for version 2.    
 *
 * This file is part of GOOL.
 *
 * GOOL 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, version 3.
 *
 * GOOL 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 version 3 for more details.
 *
 * You should have received a copy of the GNU General Public License along with GOOL,
 * in the file COPYING.txt.  If not, see <http://www.gnu.org/licenses/>.
 */

package gool.executor.java;

import gool.executor.Command;
import gool.executor.common.SpecificCompiler;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.StringUtils;

public class JavaCompiler extends SpecificCompiler {

    public JavaCompiler(File javaOutputDir, List<File> deps) {
        super(javaOutputDir, deps);
    }

    @Override
    public File compileToExecutable(List<File> files, File mainFile, List<File> classPath, List<String> args)
            throws FileNotFoundException {
        List<String> params = new ArrayList<String>();
        params.add("javac");

        params.add("-d");
        params.add(getOutputDir().getAbsolutePath());

        params.add("-d");
        params.add(getOutputDir().getAbsolutePath());

        addClasspathArgs(classPath, params);
        if (mainFile == null) {
            mainFile = files.get(0);
        }

        for (File file : files) {
            params.add(file.toString());
        }
        if (args != null) {
            params.addAll(args);
        }
        Command.exec(getOutputDir(), params);
        return (new File(getOutputDir(), mainFile.getName().replace(".java", ".class")));
    }

    @Override
    public File compileToObjectFile(List<File> files, File mainFile, List<File> classPath, List<String> args)
            throws FileNotFoundException {
        return compileToExecutable(files, mainFile, classPath, args);
    }

    @Override
    public String run(File file, List<File> classPath) throws FileNotFoundException {
        List<String> params = new ArrayList<String>();
        params.add("java");

        addClasspathArgs(classPath, params);

        params.add(file.getName().replace(".class", ""));
        return Command.exec(getOutputDir(), params);
    }

    private void addClasspathArgs(List<File> classPath, List<String> params) {
        /*
         * Add the classpath
         */
        params.add("-classpath");
        String cp = ".";
        if (classPath != null && !classPath.isEmpty()) {
            cp += File.pathSeparator + StringUtils.join(classPath, File.pathSeparator);
        }
        if (!getDependencies().isEmpty()) {
            cp += File.pathSeparator + StringUtils.join(getDependencies(), File.pathSeparator);
        }
        params.add(cp);
    }

    @Override
    public String getSourceCodeExtension() {
        return "java";
    }
}