1 package org.apache.fulcrum.pool;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.lang.reflect.Method;
23 import java.util.Arrays;
24
25 /**
26 * An inner class for cached recycle methods.
27 */
28 public class Recycler
29 {
30 /**
31 * The method.
32 */
33 private final Method recycle;
34
35 /**
36 * The signature.
37 */
38 private final String[] signature;
39
40 /**
41 * Constructs a new recycler.
42 *
43 * @param rec the recycle method.
44 * @param sign the signature.
45 */
46 public Recycler(Method rec, String[] sign)
47 {
48 recycle = rec;
49 signature = sign != null && sign.length > 0 ? sign : null;
50 }
51
52 /**
53 * Matches the given signature against
54 * that of the recycle method of this recycler.
55 *
56 * @param sign the signature.
57 * @return the matching recycle method or null.
58 */
59 public Method match(String[] sign)
60 {
61 if ( signature == null )
62 {
63 return recycle;
64 } else {
65
66 // test if there is a match
67 if ( !Arrays.equals(sign, signature) )
68 {
69 return null;
70 } else {
71 return recycle;
72 }
73 }
74 }
75 }