/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
*
* This class is not thread safe. * * @since 4.0 */ @NotThreadSafe public class SimpleOutputBuffer extends ExpandableBuffer implements ContentOutputBuffer { private boolean endOfStream; public SimpleOutputBuffer(int buffersize, final ByteBufferAllocator allocator) { super(buffersize, allocator); this.endOfStream = false; } public int produceContent(final ContentEncoder encoder) throws IOException { setOutputMode(); int bytesWritten = encoder.write(this.buffer); if (!hasData() && this.endOfStream) { encoder.complete(); } return bytesWritten; } public void write(final byte[] b, int off, int len) throws IOException { if (b == null) { return; } if (this.endOfStream) { return; } setInputMode(); ensureCapacity(this.buffer.position() + len); this.buffer.put(b, off, len); } public void write(final byte[] b) throws IOException { if (b == null) { return; } if (this.endOfStream) { return; } write(b, 0, b.length); } public void write(int b) throws IOException { if (this.endOfStream) { return; } setInputMode(); ensureCapacity(this.capacity() + 1); this.buffer.put((byte)b); } public void reset() { super.clear(); this.endOfStream = false; } public void flush() { } public void writeCompleted() { this.endOfStream = true; } public void shutdown() { this.endOfStream = true; } }