zip a list of files to a zip file - Android java.util.zip

Android examples for java.util.zip:Zip

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Description

zip a list of files to a zip file

Demo Code

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

public class Main {

  private static final int BUFFER_SIZE = 1024;

  public static void zip(String[] files, String zipFile) throws IOException {
    BufferedInputStream origin = null;
    ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(zipFile)));
    try {/*w  ww .  ja va 2 s  .co  m*/
      byte data[] = new byte[BUFFER_SIZE];

      for (int i = 0; i < files.length; i++) {
        FileInputStream fi = new FileInputStream(files[i]);
        origin = new BufferedInputStream(fi, BUFFER_SIZE);
        try {
          ZipEntry entry = new ZipEntry(files[i].substring(files[i].lastIndexOf("/") + 1));
          out.putNextEntry(entry);
          int count;
          while ((count = origin.read(data, 0, BUFFER_SIZE)) != -1) {
            out.write(data, 0, count);
          }
        } finally {
          origin.close();
        }
      }
    } finally {
      out.close();
    }
  }

}

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