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package org.apache.maven.plugin.dependency.fromConfiguration;

/* 
 * 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.util.ArrayList;
import java.util.Iterator;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.dependency.utils.filters.ArtifactItemFilter;
import org.apache.maven.plugin.dependency.utils.filters.DestFileFilter;

/**
 * Goal that copies a list of artifacts from the repository to defined
 * locations.
 * 
 * @goal copy
 * @since 1.0
 * @phase process-sources
 * @author brianf
 */
public class CopyMojo
    extends AbstractFromConfigurationMojo
{

    /**
     * Strip artifact version during copy
     * 
     * @parameter expression="${mdep.stripVersion}" default-value="false"
     * @parameter
     */
    private boolean stripVersion = false;

    /**
     * Main entry into mojo. This method gets the ArtifactItems and iterates
     * through each one passing it to copyArtifact.
     * 
     * @throws MojoExecutionException
     *             with a message if an error occurs.
     * 
     * @see ArtifactItem
     * @see #getArtifactItems
     * @see #copyArtifact(ArtifactItem)
     */
    public void execute()
        throws MojoExecutionException
    {
        ArrayList theArtifactItems = getProcessedArtifactItems( this.stripVersion );
        Iterator iter = theArtifactItems.iterator();
        while ( iter.hasNext() )
        {
            ArtifactItem artifactItem = (ArtifactItem) iter.next();
            if ( artifactItem.isNeedsProcessing() )
            {
                copyArtifact( artifactItem );
            }
            else
            {
                this.getLog().info( artifactItem + " already exists in " + artifactItem.getOutputDirectory() );
            }
        }
    }

    /**
     * Resolves the artifact from the repository and copies it to the specified
     * location.
     * 
     * @param artifactItem
     *            containing the information about the Artifact to copy.
     * @throws MojoExecutionException
     *             with a message if an error occurs.
     * 
     * @see DependencyUtil#copyFile(File, File, Log)
     * @see DependencyUtil#getFormattedFileName(Artifact, boolean)
     */
    protected void copyArtifact( ArtifactItem artifactItem )
        throws MojoExecutionException
    {
        File destFile = new File( artifactItem.getOutputDirectory(), artifactItem.getDestFileName() );

        copyFile( artifactItem.getArtifact().getFile(), destFile );
    }

    protected ArtifactItemFilter getMarkedArtifactFilter( ArtifactItem item )
    {
        ArtifactItemFilter destinationNameOverrideFilter = new DestFileFilter( this.isOverWriteReleases(), this
            .isOverWriteSnapshots(), this.isOverWriteIfNewer(), false, false, false, this.stripVersion, item
            .getOutputDirectory() );
        return destinationNameOverrideFilter;
    }

    /**
     * @return Returns the stripVersion.
     */
    public boolean isStripVersion()
    {
        return this.stripVersion;
    }

    /**
     * @param stripVersion
     *            The stripVersion to set.
     */
    public void setStripVersion( boolean stripVersion )
    {
        this.stripVersion = stripVersion;
    }

}