org.codehaus.mojo.wagon.shared.DefaultWagonCopy Maven / Gradle / Ivy

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Maven plugin that can be used to access various operations on a given URL using a supported maven wagon. Supports recursive upload, download, and list directory content functionality.

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package org.codehaus.mojo.wagon.shared;

/*
 * 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 org.apache.maven.plugin.logging.Log;
import org.apache.maven.shared.model.fileset.FileSet;
import org.apache.maven.wagon.Wagon;
import org.apache.maven.wagon.WagonException;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.codehaus.plexus.util.FileUtils;

/**
 * Copy a set of file from a wagon repo to another wagon repo.
 */
@Component(role = WagonCopy.class, hint = "default")
public class DefaultWagonCopy
    implements WagonCopy
{
    @Requirement
    private WagonDownload downloader;

    @Requirement
    private WagonUpload uploader;

    @Override
    public void copy( Wagon src, WagonFileSet wagonFileSet, Wagon target, boolean optimize, Log logger )
        throws WagonException, IOException
    {
        if ( wagonFileSet == null )
        {
            wagonFileSet = new WagonFileSet();
        }

        boolean removeDownloadDir = false;

        if ( wagonFileSet.getDownloadDirectory() == null )
        {
            File downloadSrcDir = File.createTempFile( "wagon", "wagon" );
            downloadSrcDir.delete();
            wagonFileSet.setDownloadDirectory( downloadSrcDir );
            removeDownloadDir = true;
        }

        try
        {
            this.downloader.download( src, wagonFileSet, logger );

            FileSet localFileSet = new FileSet();
            localFileSet.setDirectory( wagonFileSet.getDownloadDirectory().getAbsolutePath() );
            localFileSet.setOutputDirectory( wagonFileSet.getOutputDirectory() );

            this.uploader.upload( target, localFileSet, optimize, logger );
        }
        finally
        {
            if ( removeDownloadDir )
            {
                FileUtils.deleteDirectory( wagonFileSet.getDownloadDirectory() );
            }
        }

    }
}