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, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.util.byteaccess; 021 022import org.apache.mina.core.buffer.IoBuffer; 023 024/** 025 * Creates <code>ByteArray</code> backed by a heap-allocated 026 * <code>IoBuffer</code>. The free method on returned 027 * <code>ByteArray</code>s is a nop. 028 * 029 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 030 */ 031public class SimpleByteArrayFactory implements ByteArrayFactory { 032 /** 033 * 034 * Creates a new instance of SimpleByteArrayFactory. 035 * 036 */ 037 public SimpleByteArrayFactory() { 038 super(); 039 } 040 041 /** 042 * {@inheritDoc} 043 */ 044 public ByteArray create(int size) { 045 if (size < 0) { 046 throw new IllegalArgumentException("Buffer size must not be negative:" + size); 047 } 048 IoBuffer bb = IoBuffer.allocate(size); 049 ByteArray ba = new BufferByteArray(bb) { 050 051 @Override 052 public void free() { 053 // Nothing to do. 054 } 055 056 }; 057 return ba; 058 } 059 060}