1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * 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, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xalan.internal.xsltc.compiler.util;
  22 
  23 import java.util.Stack;
  24 
  25 /**
  26  * @author Jacek Ambroziak
  27  * @author Santiago Pericas-Geertsen
  28  * @LastModified: Oct 2017
  29  */
  30 public final class StringStack extends Stack<String> {
  31     static final long serialVersionUID = -1506910875640317898L;
  32     public String peekString() {
  33         return super.peek();
  34     }
  35 
  36     public String popString() {
  37         return super.pop();
  38     }
  39 
  40     public String pushString(String val) {
  41         return super.push(val);
  42     }
  43 }