| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, Lotus |
| * Development Corporation., http://www.lotus.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.xalan.transformer; |
| |
| import org.w3c.dom.*; |
| |
| import org.xml.sax.*; |
| |
| import org.apache.xml.utils.TreeWalker; |
| import org.apache.xml.utils.MutableAttrListImpl; |
| import org.apache.xalan.templates.ElemTemplateElement; |
| import org.apache.xpath.DOMHelper; |
| |
| /** |
| * <meta name="usage" content="internal"/> |
| * Handle a walk of a tree, but screen out attributes for |
| * the result tree. |
| */ |
| public class TreeWalker2Result extends TreeWalker |
| { |
| |
| /** The transformer instance */ |
| TransformerImpl m_transformer; |
| |
| /** The result tree handler */ |
| ResultTreeHandler m_handler; |
| |
| /** Node where to start the tree walk */ |
| Node m_startNode; |
| |
| /** |
| * Constructor. |
| * |
| * @param transformer Non-null transformer instance |
| * @param handler The Result tree handler to use |
| */ |
| public TreeWalker2Result(TransformerImpl transformer, |
| ResultTreeHandler handler) |
| { |
| |
| super(handler, transformer.getXPathContext().getDOMHelper()); |
| |
| m_transformer = transformer; |
| m_handler = handler; |
| } |
| |
| /** |
| * Perform a pre-order traversal non-recursive style. |
| * |
| * @param pos Start node for traversal |
| * |
| * @throws TransformerException |
| */ |
| public void traverse(Node pos) throws org.xml.sax.SAXException |
| { |
| |
| m_startNode = pos; |
| |
| super.traverse(pos); |
| } |
| |
| /** |
| * Start traversal of the tree at the given node |
| * |
| * |
| * @param node Starting node for traversal |
| * |
| * @throws TransformerException |
| */ |
| protected void startNode(Node node) throws org.xml.sax.SAXException |
| { |
| |
| try |
| { |
| if ((Node.ELEMENT_NODE == node.getNodeType()) && (m_startNode == node)) |
| { |
| DOMHelper dhelper = m_transformer.getXPathContext().getDOMHelper(); |
| String elemName = node.getNodeName(); |
| String localName = dhelper.getLocalNameOfNode(node); |
| String namespace = dhelper.getNamespaceOfNode(node); |
| |
| m_handler.startElement(namespace, localName, elemName, null); |
| |
| for (Node parent = node; parent != null; |
| parent = parent.getParentNode()) |
| { |
| if (Node.ELEMENT_NODE != parent.getNodeType()) |
| continue; |
| |
| NamedNodeMap atts = ((Element) parent).getAttributes(); |
| int n = atts.getLength(); |
| |
| for (int i = 0; i < n; i++) |
| { |
| String nsDeclPrefix = null; |
| Attr attr = (Attr) atts.item(i); |
| String name = attr.getName(); |
| String value = attr.getValue(); |
| |
| if (name.startsWith("xmlns:")) |
| { |
| |
| // get the namespace prefix |
| nsDeclPrefix = name.substring(name.indexOf(":") + 1); |
| } |
| else if (name.equals("xmlns")) |
| { |
| nsDeclPrefix = ""; |
| } |
| |
| if ((nsDeclPrefix == null) && (node != parent)) |
| continue; |
| |
| /* |
| else if(nsDeclPrefix != null) |
| { |
| String desturi = m_processor.getURI(nsDeclPrefix); |
| // Look for an alias for this URI. If one is found, use it as the result URI |
| String aliasURI = m_elem.m_stylesheet.lookForAlias(value); |
| if(aliasURI.equals(desturi)) // TODO: Check for extension namespaces |
| { |
| continue; |
| } |
| } |
| */ |
| m_handler.addAttribute(dhelper.getNamespaceOfNode(attr), |
| dhelper.getLocalNameOfNode(attr), name, |
| "CDATA", value); |
| |
| // Make sure namespace is not in the excluded list then |
| // add to result tree |
| |
| /* |
| if(!m_handler.getPendingAttributes().contains(name)) |
| { |
| if(nsDeclPrefix == null) |
| { |
| m_handler.addAttribute(name, "CDATA", value); |
| } |
| else |
| { |
| String desturi |
| = m_handler.getURI(nsDeclPrefix); |
| if(null == desturi) |
| { |
| m_handler.addAttribute(name, "CDATA", value); |
| } |
| else if(!desturi.equals(value)) |
| { |
| m_handler.addAttribute(name, "CDATA", value); |
| } |
| } |
| } |
| */ |
| } |
| } |
| |
| // m_handler.processResultNS(m_elem); |
| } |
| else |
| { |
| super.startNode(node); |
| } |
| } |
| catch(javax.xml.transform.TransformerException te) |
| { |
| throw new org.xml.sax.SAXException(te); |
| } |
| } |
| } |