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 */
21package org.apache.xpath.operations;
22
23import org.apache.xpath.objects.XObject;
24import org.apache.xpath.objects.XString;
25
26/**
27 * The 'string()' operation expression executer.
28 */
29public 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