content: /*
   * Copyright (C) 2012 The Android Open Source Project
   *
   * 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 com.android.gallery3d.exif;
  
  import java.io.FilterOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  import java.nio.ByteBuffer;
  import java.nio.ByteOrder;
  
  class OrderedDataOutputStream extends FilterOutputStream {
      private final ByteBuffer mByteBuffer = ByteBuffer.allocate(4);
  
      public OrderedDataOutputStream(OutputStream out) {
          super(out);
      }
  
      public OrderedDataOutputStream setByteOrder(ByteOrder order) {
          mByteBuffer.order(order);
          return this;
      }
  
      public OrderedDataOutputStream writeShort(short value) throws IOException {
          mByteBuffer.rewind();
          mByteBuffer.putShort(value);
          out.write(mByteBuffer.array(), 0, 2);
          return this;
      }
  
      public OrderedDataOutputStream writeInt(int value) throws IOException {
          mByteBuffer.rewind();
          mByteBuffer.putInt(value);
          out.write(mByteBuffer.array());
          return this;
      }
  
      public OrderedDataOutputStream writeRational(Rational rational) throws IOException {
          writeInt((int) rational.getNumerator());
          writeInt((int) rational.getDenominator());
          return this;
      }
  }
  