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package org.codehaus.plexus.archiver.snappy;

/**
 *
 * Copyright 2004 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 org.codehaus.plexus.archiver.AbstractArchiver;
import org.codehaus.plexus.archiver.ArchiveEntry;
import org.codehaus.plexus.archiver.ArchiverException;
import org.codehaus.plexus.archiver.ResourceIterator;

import java.io.IOException;

/**
 * Snappy archiver.
 */
public class SnappyArchiver
    extends AbstractArchiver
{
    private SnappyCompressor compressor = new SnappyCompressor();
    
    public void execute()
        throws ArchiverException, IOException
    {
        if ( !checkForced() )
        {
            return;
        }

        ResourceIterator iter = getResources();
        ArchiveEntry entry = iter.next();
        if ( iter.hasNext() )
        {
            throw new ArchiverException( "There is more than one file in input." );
        }
        compressor.setSource( entry.getResource() );
        compressor.setDestFile( getDestFile() );
        compressor.compress();
    }

    public boolean isSupportingForced()
    {
        return true;
    }

    protected void close()
    {
        compressor.close();
    }

    protected String getArchiveType()
    {
        return "snappy";
    }
}