001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. 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 distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.transforms; 014 015import java.util.*; 016import java.util.regex.*; 017 018import org.apache.juneau.*; 019import org.apache.juneau.transform.*; 020 021/** 022 * Transforms {@link MatchResult MatchResults} to {@code List} objects. 023 * 024 * <p> 025 * Entries in the list represent matched groups in a regular expression. 026 */ 027public class MatchResultSwap extends PojoSwap<MatchResult,List<String>> { 028 029 /** 030 * Converts the specified {@link Enumeration} to a {@link List}. 031 */ 032 @Override /* PojoSwap */ 033 public List<String> swap(BeanSession session, MatchResult o) { 034 List<String> l = new ArrayList<>(o.groupCount()); 035 for (int i = 0; i <= o.groupCount(); i++) 036 l.add(o.group(i)); 037 return l; 038 } 039}