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: ProcessorStylesheetElement.java 468640 2006-10-28 06:53:53Z minchau $ 20 */ 21 package org.apache.xalan.processor; 22 23 import javax.xml.transform.TransformerConfigurationException; 24 import javax.xml.transform.TransformerException; 25 26 import org.apache.xalan.templates.Stylesheet; 27 import org.apache.xalan.templates.StylesheetComposed; 28 import org.apache.xalan.templates.StylesheetRoot; 29 30 import org.xml.sax.Attributes; 31 32 /** 33 * TransformerFactory for xsl:stylesheet or xsl:transform markup. 34 * @see <a href="http://www.w3.org/TR/xslt#dtd">XSLT DTD</a> 35 * @see <a href="http://www.w3.org/TR/xslt#stylesheet-element">stylesheet-element in XSLT Specification</a> 36 * 37 * @xsl.usage internal 38 */ 39 public class ProcessorStylesheetElement extends XSLTElementProcessor 40 { 41 static final long serialVersionUID = -877798927447840792L; 42 43 /** 44 * Receive notification of the start of an strip-space element. 45 * 46 * @param handler The calling StylesheetHandler/TemplatesBuilder. 47 * @param uri The Namespace URI, or the empty string if the 48 * element has no Namespace URI or if Namespace 49 * processing is not being performed. 50 * @param localName The local name (without prefix), or the 51 * empty string if Namespace processing is not being 52 * performed. 53 * @param rawName The raw XML 1.0 name (with prefix), or the 54 * empty string if raw names are not available. 55 * @param attributes The attributes attached to the element. If 56 * there are no attributes, it shall be an empty 57 * Attributes object. 58 */ startElement( StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes)59 public void startElement( 60 StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) 61 throws org.xml.sax.SAXException 62 { 63 64 super.startElement(handler, uri, localName, rawName, attributes); 65 try 66 { 67 int stylesheetType = handler.getStylesheetType(); 68 Stylesheet stylesheet; 69 70 if (stylesheetType == StylesheetHandler.STYPE_ROOT) 71 { 72 try 73 { 74 stylesheet = getStylesheetRoot(handler); 75 } 76 catch(TransformerConfigurationException tfe) 77 { 78 throw new TransformerException(tfe); 79 } 80 } 81 else 82 { 83 Stylesheet parent = handler.getStylesheet(); 84 85 if (stylesheetType == StylesheetHandler.STYPE_IMPORT) 86 { 87 StylesheetComposed sc = new StylesheetComposed(parent); 88 89 parent.setImport(sc); 90 91 stylesheet = sc; 92 } 93 else 94 { 95 stylesheet = new Stylesheet(parent); 96 97 parent.setInclude(stylesheet); 98 } 99 } 100 101 stylesheet.setDOMBackPointer(handler.getOriginatingNode()); 102 stylesheet.setLocaterInfo(handler.getLocator()); 103 104 stylesheet.setPrefixes(handler.getNamespaceSupport()); 105 handler.pushStylesheet(stylesheet); 106 setPropertiesFromAttributes(handler, rawName, attributes, 107 handler.getStylesheet()); 108 handler.pushElemTemplateElement(handler.getStylesheet()); 109 } 110 catch(TransformerException te) 111 { 112 throw new org.xml.sax.SAXException(te); 113 } 114 } 115 116 /** 117 * This method can be over-ridden by a class that extends this one. 118 * @param handler The calling StylesheetHandler/TemplatesBuilder. 119 */ getStylesheetRoot(StylesheetHandler handler)120 protected Stylesheet getStylesheetRoot(StylesheetHandler handler) throws TransformerConfigurationException 121 { 122 StylesheetRoot stylesheet; 123 stylesheet = new StylesheetRoot(handler.getSchema(), handler.getStylesheetProcessor().getErrorListener()); 124 125 if (handler.getStylesheetProcessor().isSecureProcessing()) 126 stylesheet.setSecureProcessing(true); 127 128 return stylesheet; 129 } 130 131 /** 132 * Receive notification of the end of an element. 133 * 134 * @param handler non-null reference to current StylesheetHandler that is constructing the Templates. 135 * @param uri The Namespace URI, or an empty string. 136 * @param localName The local name (without prefix), or empty string if not namespace processing. 137 * @param rawName The qualified name (with prefix). 138 */ endElement( StylesheetHandler handler, String uri, String localName, String rawName)139 public void endElement( 140 StylesheetHandler handler, String uri, String localName, String rawName) 141 throws org.xml.sax.SAXException 142 { 143 super.endElement(handler, uri, localName, rawName); 144 handler.popElemTemplateElement(); 145 handler.popStylesheet(); 146 } 147 } 148