Android Open Source - volley Content Length Input Stream

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License

The source code is released under:

Apache License

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Java Source Code

/*******************************************************************************
 * Copyright 2013 Sergey Tarasevich//from ww w. j  a va 2s.  c  o  m
 *
 * 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.volley.ext;

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();
  }
}

Java Source Code List