1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.http.nio; 29 30 import java.io.IOException; 31 import java.nio.ByteBuffer; 32 import java.nio.channels.ReadableByteChannel; 33 34 /** 35 * A {@link ReadableByteChannel} that delegates to a {@link ContentDecoder}. 36 * Attempts to close this channel are ignored, and {@link #isOpen} always 37 * returns {@code true}. 38 * 39 * @since 4.0 40 */ 41 public class ContentDecoderChannel implements ReadableByteChannel { 42 43 private final ContentDecoder decoder; 44 45 public ContentDecoderChannel(final ContentDecoder decoder) { 46 this.decoder = decoder; 47 } 48 49 @Override 50 public int read(final ByteBuffer dst) throws IOException { 51 return decoder.read(dst); 52 } 53 54 @Override 55 public void close() {} 56 57 @Override 58 public boolean isOpen() { 59 return true; 60 } 61 62 }