org.codehaus.mojo.wagon.AbstractCopyMojo 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;

/*
 * 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.IOException;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.wagon.ConnectionException;
import org.apache.maven.wagon.Wagon;
import org.apache.maven.wagon.WagonException;

public abstract class AbstractCopyMojo
    extends AbstractDoubleWagonMojo
{

    protected abstract void copy( Wagon src, Wagon target )
        throws IOException, WagonException;

    @Override
    public void execute()
        throws MojoExecutionException
    {

        if ( this.skip )
        {
            this.getLog().info( "Skip execution." );
            return;
        }

        Wagon srcWagon = null;
        Wagon targetWagon = null;

        try
        {
            srcWagon = createWagon( sourceId, source );
            targetWagon = createWagon( targetId, target );
            copy( srcWagon, targetWagon );
        }
        catch ( Exception e )
        {
            throw new MojoExecutionException( "Error during performing repository copy", e );
        }
        finally
        {
            disconnectWagon( srcWagon );
            disconnectWagon( targetWagon );
        }

    }

    private void disconnectWagon( Wagon wagon )
    {
        try
        {
            if ( wagon != null )
            {
                wagon.disconnect();
            }
        }
        catch ( ConnectionException e )
        {
            getLog().debug( "Error disconnecting wagon - ignored", e );
        }
    }

}