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  "License");
007     * you may not use this file except in compliance with the License.
008     * 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, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    /*
019     * $Id: StringStack.java 468649 2006-10-28 07:00:55Z minchau $
020     */
021    
022    package org.apache.xalan.xsltc.compiler.util;
023    
024    import java.util.Stack;
025    
026    /**
027     * @author Jacek Ambroziak
028     * @author Santiago Pericas-Geertsen
029     */
030    public final class StringStack extends Stack {
031        static final long serialVersionUID = -1506910875640317898L;
032        public String peekString() {
033            return (String) super.peek();
034        }
035            
036        public String popString() {
037            return (String) super.pop();
038        }
039            
040        public String pushString(String val) {
041            return (String) super.push(val);
042        }           
043    }