org.codehaus.plexus.archiver.bzip2.BZip2Archiver Maven / Gradle / Ivy

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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.bzip2;

import javax.inject.Named;

import java.io.IOException;

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 org.codehaus.plexus.archiver.exceptions.EmptyArchiveException;

@Named("bzip2")
public class BZip2Archiver extends AbstractArchiver {

    private final BZip2Compressor compressor = new BZip2Compressor();

    @Override
    public void execute() throws ArchiverException, IOException {
        if (!checkForced()) {
            return;
        }

        ResourceIterator iter = getResources();
        if (!iter.hasNext()) {
            throw new EmptyArchiveException("archive cannot be empty");
        }
        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();
    }

    @Override
    public boolean isSupportingForced() {
        return true;
    }

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

    @Override
    protected String getArchiveType() {
        return "bzip2";
    }
}