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
23 import org.apache.mina.core.buffer.IoBuffer;
24
25
26 /**
27 * Creates <code>ByteArray</code> backed by a heap-allocated
28 * <code>IoBuffer</code>. The free method on returned
29 * <code>ByteArray</code>s is a nop.
30 *
31 * @author The Apache MINA Project (dev@mina.apache.org)
32 */
33 public class SimpleByteArrayFactory implements ByteArrayFactory
34 {
35 /**
36 *
37 * Creates a new instance of SimpleByteArrayFactory.
38 *
39 */
40 public SimpleByteArrayFactory()
41 {
42 super();
43 }
44
45
46 /**
47 * @inheritDoc
48 */
49 public ByteArray create( int size )
50 {
51 if ( size < 0 )
52 {
53 throw new IllegalArgumentException( "Buffer size must not be negative:" + size );
54 }
55 IoBuffer bb = IoBuffer.allocate( size );
56 ByteArray ba = new BufferByteArray( bb )
57 {
58
59 @Override
60 public void free()
61 {
62 // Nothing to do.
63 }
64
65 };
66 return ba;
67 }
68
69 }