1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: String.java 468655 2006-10-28 07:12:06Z minchau $ 20 */ 21 package org.apache.xpath.operations; 22 23 import org.apache.xpath.objects.XObject; 24 import org.apache.xpath.objects.XString; 25 26 /** 27 * The 'string()' operation expression executer. 28 */ 29 public class String extends UnaryOperation 30 { 31 static final long serialVersionUID = 2973374377453022888L; 32 33 /** 34 * Apply the operation to two operands, and return the result. 35 * 36 * 37 * @param right non-null reference to the evaluated right operand. 38 * 39 * @return non-null reference to the XObject that represents the result of the operation. 40 * 41 * @throws javax.xml.transform.TransformerException 42 */ 43 public XObject operate(XObject right) throws javax.xml.transform.TransformerException 44 { 45 return (XString)right.xstr(); // semi-safe cast. 46 } 47 } 48
