| /* |
| * 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.shiro.util; |
| |
| import java.util.regex.Pattern; |
| import java.util.regex.Matcher; |
| |
| /** |
| * {@code PatternMatcher} implementation that uses standard {@link java.util.regex} objects. |
| * |
| * @see Pattern |
| * @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(); |
| } |
| } |