org.eclim.plugin.jdt.command.src.JavacCommand.java Source code

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Here is the source code for org.eclim.plugin.jdt.command.src.JavacCommand.java

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/**
 * Copyright (C) 2005 - 2011  Eric Van Dewoestine
 *
 * 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/>.
 */
package org.eclim.plugin.jdt.command.src;

import java.io.File;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.BuildLogger;
import org.apache.tools.ant.DefaultLogger;
import org.apache.tools.ant.Project;

import org.apache.tools.ant.taskdefs.Javac;

import org.apache.tools.ant.types.Path;

import org.eclim.annotation.Command;

import org.eclim.command.CommandLine;
import org.eclim.command.Options;

import org.eclim.plugin.core.command.AbstractCommand;

import org.eclim.plugin.core.util.ProjectUtils;

import org.eclim.plugin.jdt.util.ClasspathUtils;
import org.eclim.plugin.jdt.util.JavaUtils;

import org.eclim.util.StringUtils;

import org.eclipse.core.resources.IProject;

import org.eclipse.jdt.core.IJavaProject;

/**
 * Command to run javac on the project source files.
 *
 * @author Eric Van Dewoestine
 */
@Command(name = "javac", options = "REQUIRED p project ARG")
public class JavacCommand extends AbstractCommand {
    /**
     * {@inheritDoc}
     * @see org.eclim.command.Command#execute(CommandLine)
     */
    public String execute(CommandLine commandLine) throws Exception {
        String projectName = commandLine.getValue(Options.PROJECT_OPTION);
        IProject project = ProjectUtils.getProject(projectName);
        IJavaProject javaProject = JavaUtils.getJavaProject(project);

        Project antProject = new Project();
        BuildLogger buildLogger = new DefaultLogger();
        buildLogger.setMessageOutputLevel(Project.MSG_INFO);
        buildLogger.setOutputPrintStream(getContext().out);
        buildLogger.setErrorPrintStream(getContext().err);
        antProject.addBuildListener(buildLogger);
        antProject.setBasedir(ProjectUtils.getPath(project));
        //antProject.setProperty(
        //    "build.compiler", "org.eclipse.jdt.core.JDTCompilerAdapter");

        Javac javac = new Javac();
        javac.setTaskName("javac");
        javac.setProject(antProject);
        javac.setFork(true);
        File outputDir = new File(ProjectUtils.getFilePath(project, javaProject.getOutputLocation().toOSString()));
        outputDir.mkdirs();
        javac.setDestdir(outputDir);

        // construct classpath
        Path classpath = new Path(antProject);
        String[] paths = ClasspathUtils.getClasspath(javaProject);
        for (String path : paths) {
            Path.PathElement pe = classpath.createPathElement();
            pe.setPath(path);
        }
        javac.setClasspath(classpath);

        // construct sourcepath
        String sourcepath = ProjectUtils.getSetting(project, "org.eclim.java.compile.sourcepath");
        if (sourcepath != null && !sourcepath.trim().equals(StringUtils.EMPTY)) {
            paths = StringUtils.split(sourcepath, " ");
        } else {
            paths = ClasspathUtils.getSrcPaths(javaProject);
        }
        for (String path : paths) {
            Path src = javac.createSrc();
            src.setPath(path);
        }
        javac.setIncludes("**/*.java");

        try {
            javac.execute();
        } catch (BuildException be) {
            // just print the message: should just indicate that something didn't compile.
            println(be.getMessage());
        }

        return StringUtils.EMPTY;
    }
}