Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
RegexpPoolObjectFactory |
|
| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | package org.apache.tapestry.util; | |
15 | ||
16 | import org.apache.commons.pool.BaseKeyedPoolableObjectFactory; | |
17 | import org.apache.hivemind.util.Defense; | |
18 | ||
19 | ||
20 | /** | |
21 | * Implementation of {@link BaseKeyedPoolableObjectFactory} for regexp patterns | |
22 | * that compiles incoming String regexp patterns into compiled {@link java.util.regex.Pattern} | |
23 | * objects. | |
24 | */ | |
25 | 0 | public class RegexpPoolObjectFactory extends BaseKeyedPoolableObjectFactory |
26 | { | |
27 | /** | |
28 | * {@inheritDoc} | |
29 | */ | |
30 | public Object makeObject(Object pattern) | |
31 | throws Exception | |
32 | { | |
33 | 0 | Defense.notNull(pattern, "Regexp pattern"); |
34 | 0 | Defense.isAssignable(pattern, String.class, "Regexp pattern"); |
35 | ||
36 | 0 | String regexp = (String)pattern; |
37 | ||
38 | 0 | return java.util.regex.Pattern.compile(regexp, java.util.regex.Pattern.COMMENTS | java.util.regex.Pattern.DOTALL); |
39 | } | |
40 | ||
41 | } |