001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package org.apache.myfaces.tobago.util; 021 022 /* 023 * Created 29.03.2004 at 14:58:11. 024 * $Id: RangeParser.java 1368577 2012-08-02 16:20:31Z lofwyr $ 025 */ 026 027 import java.util.ArrayList; 028 import java.util.List; 029 import java.util.StringTokenizer; 030 031 public class RangeParser { 032 033 public static int[] getIndices(String list) { 034 List indexList = new ArrayList(); 035 StringTokenizer st = new StringTokenizer(list, ","); 036 while (st.hasMoreTokens()) { 037 String token = st.nextToken().trim(); 038 int idx = token.indexOf('-'); 039 if (idx == -1) { 040 indexList.add(token); 041 } else { 042 int start = Integer.parseInt(token.substring(0, idx).trim()); 043 int end = Integer.parseInt(token.substring(idx + 1).trim()); 044 if (start < end) { 045 for (int i = start; i < end + 1; i++) { 046 indexList.add(Integer.toString(i)); 047 } 048 } else { 049 for (int i = start; i > end - 1; i--) { 050 indexList.add(Integer.toString(i)); 051 } 052 } 053 } 054 } 055 056 int[] indices = new int[indexList.size()]; 057 for (int i = 0; i < indices.length; i++) { 058 indices[i] = Integer.parseInt((String) indexList.get(i)); 059 } 060 return indices; 061 } 062 }