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/**
 *
 * 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.
 */
package org.codehaus.plexus.archiver.snappy;

import java.io.IOException;

import io.airlift.compress.snappy.SnappyFramedOutputStream;
import org.codehaus.plexus.archiver.ArchiverException;
import org.codehaus.plexus.archiver.util.Compressor;

import static org.codehaus.plexus.archiver.util.Streams.bufferedOutputStream;
import static org.codehaus.plexus.archiver.util.Streams.fileOutputStream;

/**
 * Snappy compression
 */
public class SnappyCompressor extends Compressor {

    private SnappyFramedOutputStream zOut;

    /**
     * perform the Snappy compression operation.
     */
    @Override
    public void compress() throws ArchiverException {
        try {
            zOut = new SnappyFramedOutputStream(bufferedOutputStream(fileOutputStream(getDestFile())));
            compress(getSource(), zOut);
        } catch (IOException ioe) {
            String msg = "Problem creating snappy " + ioe.getMessage();
            throw new ArchiverException(msg, ioe);
        }
    }

    @Override
    public void close() {
        try {
            if (this.zOut != null) {
                this.zOut.close();
                zOut = null;
            }
        } catch (final IOException e) {
            throw new ArchiverException("Failure closing target.", e);
        }
    }
}