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: ProcessorGlobalVariableDecl.java 468640 2006-10-28 06:53:53Z minchau $
20 */
21package org.apache.xalan.processor;
22
23import org.apache.xalan.templates.ElemTemplateElement;
24import org.apache.xalan.templates.ElemVariable;
25
26/**
27 * This class processes parse events for an xsl:variable element.
28 * @see <a href="http://www.w3.org/TR/xslt#dtd">XSLT DTD</a>
29 * @see <a href="http://www.w3.org/TR/xslt#top-level-variables">top-level-variables in XSLT Specification</a>
30 */
31class ProcessorGlobalVariableDecl extends ProcessorTemplateElem
32{
33    static final long serialVersionUID = -5954332402269819582L;
34
35  /**
36   * Append the current template element to the current
37   * template element, and then push it onto the current template
38   * element stack.
39   *
40   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
41   * @param elem The non-null reference to the ElemVariable element.
42   *
43   * @throws org.xml.sax.SAXException Any SAX exception, possibly
44   *            wrapping another exception.
45   */
46  protected void appendAndPush(
47          StylesheetHandler handler, ElemTemplateElement elem)
48            throws org.xml.sax.SAXException
49  {
50
51    // Just push, but don't append.
52    handler.pushElemTemplateElement(elem);
53  }
54
55  /**
56   * Receive notification of the end of an element.
57   *
58   * @param name The element type name.
59   * @param attributes The specified or defaulted attributes.
60   *
61   * @param handler non-null reference to current StylesheetHandler that is constructing the Templates.
62   * @param uri The Namespace URI, or an empty string.
63   * @param localName The local name (without prefix), or empty string if not namespace processing.
64   * @param rawName The qualified name (with prefix).
65   */
66  public void endElement(
67          StylesheetHandler handler, String uri, String localName, String rawName)
68            throws org.xml.sax.SAXException
69  {
70
71    ElemVariable v = (ElemVariable) handler.getElemTemplateElement();
72
73    handler.getStylesheet().appendChild(v);
74    handler.getStylesheet().setVariable(v);
75    super.endElement(handler, uri, localName, rawName);
76  }
77}
78