content: /*
   * 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 android.framework.util.jar;
  
  
  import java.io.IOException;
  import java.io.OutputStream;
  import java.util.zip.ZipEntry;
  import java.util.zip.ZipOutputStream;
  
  /**
   * The {@code JarOutputStream} is used to write data in the {@code JarFile}
   * format to an arbitrary output stream
   */
  public class JarOutputStream extends ZipOutputStream {
  
      private Manifest manifest;
  
      /**
       * Constructs a new {@code JarOutputStream} using an output stream. The
       * content of the {@code Manifest} must match the JAR entry information
       * written subsequently to the stream.
       *
       * @param os
       *            the {@code OutputStream} to write to
       * @param mf
       *            the {@code Manifest} to output for this JAR file.
       * @throws IOException
       *             if an error occurs creating the {@code JarOutputStream}.
       */
      public JarOutputStream(OutputStream os, Manifest mf) throws IOException {
          super(os);
          if (mf == null) {
              throw new NullPointerException();
          }
          manifest = mf;
          ZipEntry ze = new ZipEntry(JarFile.MANIFEST_NAME);
          putNextEntry(ze);
          manifest.write(this);
          closeEntry();
      }
  
      /**
       * Constructs a new {@code JarOutputStream} using an arbitrary output
       * stream.
       *
       * @param os
       *            the {@code OutputStream} to write to.
       * @throws IOException
       *             if an error occurs creating the {@code JarOutputStream}.
       */
      public JarOutputStream(OutputStream os) throws IOException {
          super(os);
      }
  
      /**
       * Writes the specified ZIP entry to the underlying stream. The previous
       * entry is closed if it is still open.
       *
       * @param ze
       *            the {@code ZipEntry} to write to.
       * @throws IOException
       *             if an error occurs writing to the entry.
       * @see ZipEntry
       */
      @Override
      public void putNextEntry(ZipEntry ze) throws IOException {
          super.putNextEntry(ze);
      }
  }
  