de.crowdcode.movmvn.core.Unzipper.java Source code

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Here is the source code for de.crowdcode.movmvn.core.Unzipper.java

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/*
 * 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.
 */
package de.crowdcode.movmvn.core;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.zip.ZipException;

import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipFile;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;

/**
 * Unzipper.
 * 
 * @author lofi
 * @version 1.0.0
 * @since 1.0.0
 */
public class Unzipper {

    /**
     * Unzip a file.
     * 
     * @param archiveFile
     *            to be unzipped
     * @param outPath
     *            the place to put the result
     * @throws IOException
     *             exception
     * @throws ZipException
     *             exception
     */
    public void unzipFileToDir(final File archiveFile, final File outPath) throws IOException, ZipException {
        ZipFile zipFile = new ZipFile(archiveFile);
        Enumeration<ZipArchiveEntry> e = zipFile.getEntries();
        while (e.hasMoreElements()) {
            ZipArchiveEntry entry = e.nextElement();
            File file = new File(outPath, entry.getName());
            if (entry.isDirectory()) {
                FileUtils.forceMkdir(file);
            } else {
                InputStream is = zipFile.getInputStream(entry);
                FileOutputStream os = FileUtils.openOutputStream(file);
                try {
                    IOUtils.copy(is, os);
                } finally {
                    os.close();
                    is.close();
                }
                file.setLastModified(entry.getTime());
            }
        }
    }
}