org.apache.myfaces.trinidadbuild.plugin.javascript.ReduceJavascriptMojo.java Source code

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Here is the source code for org.apache.myfaces.trinidadbuild.plugin.javascript.ReduceJavascriptMojo.java

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 * 
 *  http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.apache.myfaces.trinidadbuild.plugin.javascript;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import org.apache.myfaces.trinidadbuild.plugin.javascript.uixtools.Reducer;

import org.apache.commons.io.FileUtils;
import org.apache.maven.model.Resource;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;

/**
 * @version $Id: ReduceJavascriptMojo.java 547404 2007-06-14 21:12:41Z awiner $
 * @goal reduce-javascript
 * @phase generate-sources
 * @description Goal which compiles the Javascript sources
 */
public class ReduceJavascriptMojo extends AbstractMojo {
    public void execute() throws MojoExecutionException {
        List compileSourceRoots = new ArrayList();
        compileSourceRoots.add(sourceDirectory);
        // TODO: register these paths from inside relevant plugins
        compileSourceRoots.add(new File(project.getBuild().getDirectory(), "maven-i18n-plugin/main/javascript"));
        compileSourceRoots.add(new File(project.getBuild().getDirectory(), "maven-faces-plugin/main/javascript"));

        try {
            Resource resource = new Resource();
            resource.setDirectory(targetDirectory.getCanonicalPath());
            project.addResource(resource);

            // TODO: switch Optimized, not Debug, to be the special-case
            //       so that Debug can be processed as ordinary resource copy
            //       without having to explicitly code it here
            File outputDirectory = new File(targetDirectory, targetPath);
            outputDirectory.mkdirs();
            for (Iterator i = compileSourceRoots.iterator(); i.hasNext();) {
                File sourceRoot = (File) i.next();
                File sourceDirectory = new File(sourceRoot, sourcePath);
                if (sourceDirectory.exists()) {
                    _copyJavascript(sourceDirectory, outputDirectory);
                }
            }
        } catch (IOException e) {
            throw new MojoExecutionException("Error copying Javascript files", e);
        }

        try {
            if (optimizeTargetPath != null) {
                File outputDirectory = new File(targetDirectory, optimizeTargetPath);
                outputDirectory.mkdirs();
                for (Iterator i = compileSourceRoots.iterator(); i.hasNext();) {
                    File sourceRoot = (File) i.next();
                    File sourceDirectory = new File(sourceRoot, sourcePath);
                    if (sourceDirectory.exists()) {
                        String[] args = { sourceDirectory.getCanonicalPath(), outputDirectory.getCanonicalPath() };
                        // TODO: incremental check
                        Reducer.main(args);
                    }
                }
            }
        } catch (IOException e) {
            throw new MojoExecutionException("Error compiling Javascript files", e);
        }
    }

    static private void _copyJavascript(File sourceDir, File targetDir) throws IOException {
        File[] sourceFiles = sourceDir.listFiles();
        if (sourceFiles != null) {
            for (File sourceFile : sourceFiles) {
                if (sourceFile.isDirectory()) {
                    File targetSubdir = new File(targetDir, sourceFile.getName());
                    if (!targetSubdir.exists())
                        targetSubdir.mkdir();
                    _copyJavascript(sourceFile, targetSubdir);
                } else if (sourceFile.getName().endsWith(".js")) {
                    FileUtils.copyFileToDirectory(sourceFile, targetDir);
                }
            }
        }
    }

    /**
     * @parameter expression="${project}"
     * @required
     * @readonly
     */
    private MavenProject project;

    /**
     * @parameter expression="src/main/javascript"
     * @required
     */
    private File sourceDirectory;

    /**
     * @parameter
     * @required
     */
    private String sourcePath;

    /**
     * @parameter expression="${project.build.directory}/maven-javascript-plugin/main/resources"
     * @required
     */
    private File targetDirectory;

    /**
     * @parameter
     */
    private String targetPath;

    /**
     * @parameter
     */
    private String optimizeTargetPath;

}