Android Open Source - anode Zip Extractor

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2011-2012 Paddy Byers/*  ww  w  .  j  a v a 2  s . c  om*/
 *
 *   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.meshpoint.anode.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class ZipExtractor implements ModuleUtils.Unpacker {

  public void unpack(File src, File dest) throws IOException {
    int count;
    byte[] buf = new byte[1024];
    ZipInputStream zis = null;
    ZipEntry zipentry;
    zis = new ZipInputStream(new FileInputStream(src));

    while ((zipentry = zis.getNextEntry()) != null) {
      String entryName = zipentry.getName();
      File entryFile = new File(dest, entryName);
      File parentDir = new File(entryFile.getParent());
      if(!parentDir.isDirectory() && !parentDir.mkdirs())
        throw new IOException("ZipExtractor.unpack(): unable to create directory");

      if(zipentry.isDirectory()) {
        if(!entryFile.mkdir())
          throw new IOException("ZipExtractor.unpack(): unable to create directory entry");          
      } else {
        FileOutputStream fos = new FileOutputStream(entryFile);             
        while ((count = zis.read(buf, 0, 1024)) != -1)
          fos.write(buf, 0, count);
  
        fos.close(); 
      }
      zis.closeEntry();
    }
    zis.close();
  }

}

Java Source Code List

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