| /* |
| * 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.trace; |
| |
| import org.w3c.dom.*; |
| |
| import org.apache.xalan.templates.ElemTemplateElement; |
| import org.apache.xalan.transformer.TransformerImpl; |
| import org.apache.xml.utils.QName; |
| |
| /** |
| * <meta name="usage" content="advanced"/> |
| * Parent class of events generated for tracing the |
| * progress of the XSL processor. |
| */ |
| public class TracerEvent implements java.util.EventListener |
| { |
| |
| /** |
| * The node in the style tree where the event occurs. |
| */ |
| public final ElemTemplateElement m_styleNode; |
| |
| /** |
| * The XSLT processor instance. |
| */ |
| public final TransformerImpl m_processor; |
| |
| /** |
| * The current context node. |
| */ |
| public final Node m_sourceNode; |
| |
| /** |
| * The current mode. |
| */ |
| public final QName m_mode; |
| |
| /** |
| * Create an event originating at the given node of the style tree. |
| * @param processor The XSLT TransformerFactory. |
| * @param sourceNode The current context node. |
| * @param mode The current mode. |
| * @param m_styleNode node in the style tree reference for the event. |
| * Should not be null. That is not enforced. |
| * @param styleNode The stylesheet element that is executing. |
| */ |
| public TracerEvent(TransformerImpl processor, Node sourceNode, QName mode, |
| ElemTemplateElement styleNode) |
| { |
| |
| this.m_processor = processor; |
| this.m_sourceNode = sourceNode; |
| this.m_mode = mode; |
| this.m_styleNode = styleNode; |
| } |
| |
| /** |
| * Returns a string representation of the node. |
| * The string returned for elements will contain the element name |
| * and any attributes enclosed in angle brackets. |
| * The string returned for attributes will be of form, "name=value." |
| * |
| * @param n any DOM node. Must not be null. |
| * |
| * @return a string representation of the given node. |
| */ |
| public static String printNode(Node n) |
| { |
| |
| String r = n.hashCode() + " "; |
| |
| if (n instanceof Element) |
| { |
| r += "<" + n.getNodeName(); |
| |
| Node c = n.getFirstChild(); |
| |
| while (null != c) |
| { |
| if (c instanceof Attr) |
| { |
| r += printNode(c) + " "; |
| } |
| |
| c = c.getNextSibling(); |
| } |
| |
| r += ">"; |
| } |
| else |
| { |
| if (n instanceof Attr) |
| { |
| r += n.getNodeName() + "=" + n.getNodeValue(); |
| } |
| else |
| { |
| r += n.getNodeName(); |
| } |
| } |
| |
| return r; |
| } |
| |
| /** |
| * Returns a string representation of the node list. |
| * The string will contain the list of nodes inside square braces. |
| * Elements will contain the element name |
| * and any attributes enclosed in angle brackets. |
| * Attributes will be of form, "name=value." |
| * |
| * @param l any DOM node list. Must not be null. |
| * |
| * @return a string representation of the given node list. |
| */ |
| public static String printNodeList(NodeList l) |
| { |
| |
| String r = l.hashCode() + "["; |
| int len = l.getLength() - 1; |
| int i = 0; |
| |
| while (i < len) |
| { |
| Node n = l.item(i); |
| |
| if (null != n) |
| { |
| r += printNode(n) + ", "; |
| } |
| |
| ++i; |
| } |
| |
| if (i == len) |
| { |
| Node n = l.item(len); |
| |
| if (null != n) |
| { |
| r += printNode(n); |
| } |
| } |
| |
| return r + "]"; |
| } |
| } |