001/* 002 * ==================================================================== 003 * Licensed to the Apache Software Foundation (ASF) under one 004 * or more contributor license agreements. See the NOTICE file 005 * distributed with this work for additional information 006 * regarding copyright ownership. The ASF licenses this file 007 * to you under the Apache License, Version 2.0 (the 008 * "License"); you may not use this file except in compliance 009 * with the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, 014 * software distributed under the License is distributed on an 015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 016 * KIND, either express or implied. See the License for the 017 * specific language governing permissions and limitations 018 * under the License. 019 * ==================================================================== 020 * 021 * This software consists of voluntary contributions made by many 022 * individuals on behalf of the Apache Software Foundation. For more 023 * information on the Apache Software Foundation, please see 024 * <http://www.apache.org/>. 025 * 026 */ 027 028package org.apache.http.nio; 029 030import java.io.IOException; 031import java.nio.ByteBuffer; 032import java.nio.channels.WritableByteChannel; 033 034/** 035 * A {@link WritableByteChannel} that delegates to a {@link ContentEncoder}. 036 * Attempts to close this channel are ignored, and {@link #isOpen} always 037 * returns {@code true}. 038 * 039 * @since 4.0 040 */ 041public class ContentEncoderChannel implements WritableByteChannel { 042 043 private final ContentEncoder contentEncoder; 044 045 public ContentEncoderChannel(final ContentEncoder contentEncoder) { 046 this.contentEncoder = contentEncoder; 047 } 048 049 @Override 050 public int write(final ByteBuffer src) throws IOException { 051 return contentEncoder.write(src); 052 } 053 054 @Override 055 public void close() {} 056 057 @Override 058 public boolean isOpen() { 059 return true; 060 } 061 062}