001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.rest.filter;
019
020import java.io.IOException;
021import java.util.zip.GZIPInputStream;
022import javax.servlet.ReadListener;
023import javax.servlet.ServletInputStream;
024import javax.servlet.http.HttpServletRequest;
025import org.apache.yetus.audience.InterfaceAudience;
026
027@InterfaceAudience.Private
028public class GZIPRequestStream extends ServletInputStream {
029  private GZIPInputStream in;
030
031  public GZIPRequestStream(HttpServletRequest request) throws IOException {
032    this.in = new GZIPInputStream(request.getInputStream());
033  }
034
035  @Override
036  public int read() throws IOException {
037    return in.read();
038  }
039
040  @Override
041  public int read(byte[] b) throws IOException {
042    return in.read(b);
043  }
044
045  @Override
046  public int read(byte[] b, int off, int len) throws IOException {
047    return in.read(b, off, len);
048  }
049
050  @Override
051  public void close() throws IOException {
052    in.close();
053  }
054
055  @Override
056  public boolean isFinished() {
057    throw new UnsupportedOperationException("Asynchonous operation is not supported.");
058  }
059
060  @Override
061  public boolean isReady() {
062    throw new UnsupportedOperationException("Asynchonous operation is not supported.");
063  }
064
065  @Override
066  public void setReadListener(ReadListener listener) {
067    throw new UnsupportedOperationException("Asynchonous operation is not supported.");
068  }
069}