JavascriptArtifactManager.java

package org.codehaus.mojo.javascript.archive;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * Licensed 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.util.Iterator;
import java.util.Set;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.archiver.ArchiverException;
import org.codehaus.plexus.archiver.UnArchiver;
import org.codehaus.plexus.logging.AbstractLogEnabled;

/**
 * A component to handle javascript dependencies.
 * 
 * @author <a href="mailto:nicolas.deloof@gmail.com">nicolas De Loof</a>
 * @plexus.component role="org.codehaus.mojo.javascript.archive.JavascriptArtifactManager"
 */
public class JavascriptArtifactManager
    extends AbstractLogEnabled
{

    /**
     * Plexus un-archiver.
     * 
     * @plexus.requirement role-hint="javascript"
     */
    private UnArchiver archiver;

    public JavascriptArtifactManager()
    {
        super();
    }

    public void unpack( MavenProject project, String scope, File target, boolean useArtifactId )
        throws ArchiverException
    {
        archiver.setOverwrite( false );

        Set dependencies = project.getArtifacts();
        ArtifactFilter runtime = new ScopeArtifactFilter( scope );
        for ( Iterator iterator = dependencies.iterator(); iterator.hasNext(); )
        {
            Artifact dependency = (Artifact) iterator.next();
            if ( !dependency.isOptional() && Types.JAVASCRIPT_TYPE.equals( dependency.getType() )
                && runtime.include( dependency ) )
            {
                getLogger().info( "Unpack javascript dependency [" + dependency.toString() + "]" );
                archiver.setSourceFile( dependency.getFile() );

                File dest = target;
                if ( useArtifactId )
                {
                    dest = new File( target, dependency.getArtifactId() );
                }
                unpack( dependency, dest );
            }
        }
    }

    /**
     *
     */
    public void unpack( Artifact artifact, File target )
        throws ArchiverException
    {
        archiver.setSourceFile( artifact.getFile() );
        target.mkdirs();
        archiver.setDestDirectory( target );
        archiver.setOverwrite( false );
        try
        {
            archiver.extract();
        }
        catch ( Exception e )
        {
            throw new ArchiverException( "Failed to extract javascript artifact to " + target, e );
        }

    }
}