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.entity; 029 030import java.io.IOException; 031import java.io.OutputStream; 032 033import org.apache.http.nio.util.ContentOutputBuffer; 034import org.apache.http.util.Args; 035 036/** 037 * {@link OutputStream} adaptor for {@link ContentOutputBuffer}. 038 * 039 * @since 4.0 040 */ 041public class ContentOutputStream extends OutputStream { 042 043 private final ContentOutputBuffer buffer; 044 045 public ContentOutputStream(final ContentOutputBuffer buffer) { 046 super(); 047 Args.notNull(buffer, "Output buffer"); 048 this.buffer = buffer; 049 } 050 051 @Override 052 public void close() throws IOException { 053 this.buffer.writeCompleted(); 054 } 055 056 @Override 057 public void flush() throws IOException { 058 } 059 060 @Override 061 public void write(final byte[] b, final int off, final int len) throws IOException { 062 this.buffer.write(b, off, len); 063 } 064 065 @Override 066 public void write(final byte[] b) throws IOException { 067 if (b == null) { 068 return; 069 } 070 this.buffer.write(b, 0, b.length); 071 } 072 073 @Override 074 public void write(final int b) throws IOException { 075 this.buffer.write(b); 076 } 077 078}