GwtResourcesMojo.java

package org.codehaus.mojo.gwt;

/*
 * 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.
 */

import java.io.File;
import java.io.IOException;
import java.util.Collection;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.codehaus.plexus.util.FileUtils;

/**
 * Copy GWT java source code and module descriptor as resources in the build
 * outputDirectory. Alternative to declaring a <resource> in the POM with finer
 * filtering as the module descriptor is read to detect sources to be copied.
 * 
 * @author <a href="mailto:nicolas@apache.org">Nicolas De Loof</a>
 * @goal resources
 * @phase process-resources
 */
public class GwtResourcesMojo
    extends GwtResourcesBaseMojo
{
    /**
     * @parameter expression="${project.build.outputDirectory}"
     * @required
     * @readonly
     */
    private File outputDirectory;

    /**
     * {@inheritDoc}
     * 
     * @see org.apache.maven.plugin.Mojo#execute()
     */
    public void execute()
        throws MojoExecutionException, MojoFailureException
    {
        Collection<ResourceFile> files = getAllResourceFiles();
        for ( ResourceFile file : files )
        {
            File f = new File( file.basedir, file.fileRelativeName );
            File target = new File( outputDirectory, file.fileRelativeName );
            try
            {
                getLog().debug( "copy " + f + " to outputDirectory" );
                if ( !target.getParentFile().exists() )
                {
                    if ( !target.getParentFile().mkdirs() )
                    {
                        throw new MojoExecutionException( "Failed to create destination directory "
                            + target.getParentFile() );
                    }
                }
                FileUtils.copyFile( f, target );
            }
            catch ( IOException e )
            {
                throw new MojoExecutionException( "Failed to copy GWT source " + f, e );
            }
        }
    }
}