content: /*******************************************************************************
   * Copyright 2013 Sergey Tarasevich
   *
   * 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.nostra13.universalimageloader.core.assist;
  
  import java.io.IOException;
  import java.io.InputStream;
  
  /**
   * Decorator for {@link java.io.InputStream InputStream}. Provides possibility to return defined stream length by
   * {@link #available()} method.
   *
   * @author Sergey Tarasevich (nostra13[at]gmail[dot]com), Mariotaku
   * @since 1.9.1
   */
  public class ContentLengthInputStream extends InputStream {
  
  	private final InputStream stream;
  	private final int length;
  
  	public ContentLengthInputStream(InputStream stream, int length) {
  		this.stream = stream;
  		this.length = length;
  	}
  
  	@Override
  	public int available() {
  		return length;
  	}
  
  	@Override
  	public void close() throws IOException {
  		stream.close();
  	}
  
  	@Override
  	public void mark(int readLimit) {
  		stream.mark(readLimit);
  	}
  
  	@Override
  	public int read() throws IOException {
  		return stream.read();
  	}
  
  	@Override
  	public int read(byte[] buffer) throws IOException {
  		return stream.read(buffer);
  	}
  
  	@Override
  	public int read(byte[] buffer, int byteOffset, int byteCount) throws IOException {
  		return stream.read(buffer, byteOffset, byteCount);
  	}
  
  	@Override
  	public void reset() throws IOException {
  		stream.reset();
  	}
  
  	@Override
  	public long skip(long byteCount) throws IOException {
  		return stream.skip(byteCount);
  	}
  
  	@Override
  	public boolean markSupported() {
  		return stream.markSupported();
  	}
  }