| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * $Id: ProcessorNamespaceAlias.java 468640 2006-10-28 06:53:53Z minchau $ |
| */ |
| package org.apache.xalan.processor; |
| |
| import org.apache.xalan.res.XSLTErrorResources; |
| import org.apache.xalan.templates.NamespaceAlias; |
| import org.xml.sax.Attributes; |
| |
| /** |
| * TransformerFactory for xsl:namespace-alias markup. |
| * A stylesheet can use the xsl:namespace-alias element to |
| * declare that one namespace URI is an alias for another namespace URI. |
| * <pre> |
| * <!ELEMENT xsl:namespace-alias EMPTY> |
| * <!ATTLIST xsl:namespace-alias |
| * stylesheet-prefix CDATA #REQUIRED |
| * result-prefix CDATA #REQUIRED |
| * > |
| * </pre> |
| * @see <a href="http://www.w3.org/TR/xslt#dtd">XSLT DTD</a> |
| * @see <a href="http://www.w3.org/TR/xslt#literal-result-element">literal-result-element in XSLT Specification</a> |
| */ |
| class ProcessorNamespaceAlias extends XSLTElementProcessor |
| { |
| static final long serialVersionUID = -6309867839007018964L; |
| |
| /** |
| * Receive notification of the start of an xsl:namespace-alias element. |
| * |
| * @param handler The calling StylesheetHandler/TemplatesBuilder. |
| * @param uri The Namespace URI, or the empty string if the |
| * element has no Namespace URI or if Namespace |
| * processing is not being performed. |
| * @param localName The local name (without prefix), or the |
| * empty string if Namespace processing is not being |
| * performed. |
| * @param rawName The raw XML 1.0 name (with prefix), or the |
| * empty string if raw names are not available. |
| * @param attributes The attributes attached to the element. If |
| * there are no attributes, it shall be an empty |
| * Attributes object. |
| */ |
| public void startElement( |
| StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes) |
| throws org.xml.sax.SAXException |
| { |
| final String resultNS; |
| NamespaceAlias na = new NamespaceAlias(handler.nextUid()); |
| |
| setPropertiesFromAttributes(handler, rawName, attributes, na); |
| String prefix = na.getStylesheetPrefix(); |
| if(prefix.equals("#default")) |
| { |
| prefix = ""; |
| na.setStylesheetPrefix(prefix); |
| } |
| String stylesheetNS = handler.getNamespaceForPrefix(prefix); |
| na.setStylesheetNamespace(stylesheetNS); |
| prefix = na.getResultPrefix(); |
| if(prefix.equals("#default")) |
| { |
| prefix = ""; |
| na.setResultPrefix(prefix); |
| resultNS = handler.getNamespaceForPrefix(prefix); |
| if(null == resultNS) |
| handler.error(XSLTErrorResources.ER_INVALID_NAMESPACE_URI_VALUE_FOR_RESULT_PREFIX_FOR_DEFAULT, null, null); |
| } |
| else |
| { |
| resultNS = handler.getNamespaceForPrefix(prefix); |
| if(null == resultNS) |
| handler.error(XSLTErrorResources.ER_INVALID_NAMESPACE_URI_VALUE_FOR_RESULT_PREFIX, new Object[] {prefix}, null); |
| } |
| |
| na.setResultNamespace(resultNS); |
| handler.getStylesheet().setNamespaceAlias(na); |
| handler.getStylesheet().appendChild(na); |
| } |
| } |