/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.ki.util; | |
import java.util.regex.Pattern; | |
import java.util.regex.Matcher; | |
/** | |
* {@code PatternMatcher} implementation that uses standard {@link java.util.regex} objects. | |
* | |
* @see Pattern | |
* @author Les Hazlewood | |
* @since 1.0 | |
*/ | |
public class RegExPatternMatcher implements PatternMatcher { | |
/** | |
* Simple implementation that merely uses the default pattern comparison logic provided by the | |
* JDK. | |
* <p/>This implementation essentially executes the following: | |
* <pre> | |
* Pattern p = Pattern.compile(pattern); | |
* Matcher m = p.matcher(source); | |
* return m.matches();</pre> | |
* @param pattern the pattern to match against | |
* @param source the source to match | |
* @return {@code true} if the source matches the required pattern, {@code false} otherwise. | |
*/ | |
public boolean matches(String pattern, String source) { | |
if (pattern == null) { | |
throw new IllegalArgumentException("pattern argument cannot be null."); | |
} | |
Pattern p = Pattern.compile(pattern); | |
Matcher m = p.matcher(source); | |
return m.matches(); | |
} | |
} |