001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.util;
016    
017    import org.apache.oro.text.regex.MatchResult;
018    
019    /**
020     * A "friendly" version of a regular expression match.
021     * 
022     * @author Howard Lewis Ship
023     * @since 4.0
024     */
025    public class RegexpMatch
026    {
027        private final MatchResult _match;
028    
029        RegexpMatch(MatchResult match)
030        {
031            _match = match;
032        }
033    
034        /**
035         * Returns a matching group within the input string. Group 0 is the entire input string, group 1
036         * is the content with the first expression, etc.
037         */
038    
039        public String getGroup(int group)
040        {
041            return _match.group(group);
042        }
043    
044        /**
045         * Returns the entire matching input.
046         */
047    
048        public String getInput()
049        {
050            return _match.toString();
051        }
052        
053        public int getMatchLength()
054        {
055            return _match.length();
056        }
057    }