1 package org.apache.commons.digester3.xmlrules; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.util.Stack; 23 24 /** 25 */ 26 final class PatternStack 27 extends Stack<String> 28 { 29 30 private static final long serialVersionUID = 1L; 31 32 @Override 33 public String toString() 34 { 35 StringBuilder str = new StringBuilder(); 36 for ( int i = 0; i < size(); i++ ) 37 { 38 String elem = get( i ); 39 if ( elem.length() > 0 ) 40 { 41 if ( str.length() > 0 ) 42 { 43 str.append( '/' ); 44 } 45 str.append( elem ); 46 } 47 } 48 return str.toString(); 49 } 50 51 }