001 package org.apache.myfaces.tobago.util; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 /* 021 * Created 29.03.2004 at 14:58:11. 022 * $Id: RangeParser.java 474273 2006-11-13 12:15:36Z lofwyr $ 023 */ 024 025 import java.util.ArrayList; 026 import java.util.List; 027 import java.util.StringTokenizer; 028 029 public class RangeParser { 030 031 public static int[] getIndices(String list) { 032 List indexList = new ArrayList(); 033 StringTokenizer st = new StringTokenizer(list, ","); 034 while (st.hasMoreTokens()) { 035 String token = st.nextToken().trim(); 036 int idx = token.indexOf('-'); 037 if (idx == -1) { 038 indexList.add(token); 039 } else { 040 int start = Integer.parseInt(token.substring(0, idx).trim()); 041 int end = Integer.parseInt(token.substring(idx + 1).trim()); 042 if (start < end) { 043 for (int i = start; i < end + 1; i++) { 044 indexList.add(Integer.toString(i)); 045 } 046 } else { 047 for (int i = start; i > end - 1; i--) { 048 indexList.add(Integer.toString(i)); 049 } 050 } 051 } 052 } 053 054 int[] indices = new int[indexList.size()]; 055 for (int i = 0; i < indices.length; i++) { 056 indices[i] = Integer.parseInt((String) indexList.get(i)); 057 } 058 return indices; 059 } 060 }