1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.util.byteaccess;
21
22 import org.apache.mina.core.buffer.IoBuffer;
23
24 /**
25 * Creates <code>ByteArray</code> backed by a heap-allocated
26 * <code>IoBuffer</code>. The free method on returned
27 * <code>ByteArray</code>s is a nop.
28 *
29 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
30 */
31 public class SimpleByteArrayFactory implements ByteArrayFactory {
32 /**
33 *
34 * Creates a new instance of SimpleByteArrayFactory.
35 *
36 */
37 public SimpleByteArrayFactory() {
38 super();
39 }
40
41 /**
42 * {@inheritDoc}
43 */
44 public ByteArray create(int size) {
45 if (size < 0) {
46 throw new IllegalArgumentException("Buffer size must not be negative:" + size);
47 }
48 IoBuffer bb = IoBuffer.allocate(size);
49 ByteArray ba = new BufferByteArray(bb) {
50
51 @Override
52 public void free() {
53 // Nothing to do.
54 }
55
56 };
57 return ba;
58 }
59
60 }