CachingInputStream.java :  » Geo » photogeolocator » org » apache » sanselan » util » Android Open Source

/*
 * 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 org.apache.sanselan.util;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class CachingInputStream extends InputStream
{
  private final InputStream is;
  private final ByteArrayOutputStream baos = new ByteArrayOutputStream();

  public CachingInputStream(InputStream is)
  {
    this.is = is;
  }

  public byte[] getCache()
  {
    return baos.toByteArray();
  }

  public int read() throws IOException
  {
    int result = is.read();
    baos.write(result);
    return result;
  }

  public int available() throws IOException
  {
    return is.available();
  }

  public void close() throws IOException
  {
    is.close();
  }

}