Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
RegexpPoolObjectFactory |
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| 1.0;1 |
1 | // Copyright 2004, 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | package org.apache.tapestry.util; |
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15 | ||
16 | import org.apache.commons.pool.BaseKeyedPoolableObjectFactory; |
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17 | import org.apache.hivemind.util.Defense; |
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18 | ||
19 | ||
20 | /** |
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21 | * Implementation of {@link BaseKeyedPoolableObjectFactory} for regexp patterns |
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22 | * that compiles incoming String regexp patterns into compiled {@link java.util.regex.Pattern} |
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23 | * objects. |
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24 | */ |
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25 | 124 | public class RegexpPoolObjectFactory extends BaseKeyedPoolableObjectFactory |
26 | { |
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27 | /** |
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28 | * {@inheritDoc} |
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29 | */ |
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30 | public Object makeObject(Object pattern) |
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31 | throws Exception |
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32 | { |
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33 | 154 | Defense.notNull(pattern, "Regexp pattern"); |
34 | 155 | Defense.isAssignable(pattern, String.class, "Regexp pattern"); |
35 | ||
36 | 154 | String regexp = (String)pattern; |
37 | ||
38 | 154 | return java.util.regex.Pattern.compile(regexp, java.util.regex.Pattern.COMMENTS | java.util.regex.Pattern.DOTALL); |
39 | } |
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40 | ||
41 | } |