- /*
- * 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 + "]";
- }
- }