282 lines
10 KiB
Java
282 lines
10 KiB
Java
/*************************************************************************
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*
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* $RCSfile: ParsingThread.java,v $
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*
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* $Revision: 1.1.1.1 $
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*
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* last change: $Author: mt $ $Date: 2004-07-12 13:15:24 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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package com.sun.star.xml.security.uno;
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import org.w3c.dom.Node;
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import com.sun.star.xml.sax.XDocumentHandler;
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import org.w3c.dom.Attr;
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import org.w3c.dom.NamedNodeMap;
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/*
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* this class is used to parse a document into SAX events
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*/
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class ParsingThread
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{
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/*
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* the Node which will be handled with in the next step
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*/
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private Node m_node;
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/*
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* the event to be handled in the next step.
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* true means endElement event, false otherwise.
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*/
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private boolean m_bIsEndEvent;
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/*
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* the document handler which receives generated SAX events
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*/
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private XDocumentHandler m_xDocumentHandler;
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/*
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* the TestTool which receives UI feedbacks
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*/
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private TestTool m_testTool;
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ParsingThread(Node node, XDocumentHandler xDocumentHandler, TestTool testTool)
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{
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m_node = node;
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m_xDocumentHandler = xDocumentHandler;
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m_testTool = testTool;
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m_bIsEndEvent = false;
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}
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/*
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* changes the document handler.
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*/
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protected void setHandler(XDocumentHandler xDocumentHandler)
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{
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this.m_xDocumentHandler = xDocumentHandler;
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}
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/*
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* sends the next SAX event.
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* when there is no further step, then false is returned,
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* otherwise, true returned.
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*/
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protected boolean nextStep()
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{
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boolean rc = true;
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try
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{
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String message;
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int type = m_node.getNodeType();
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if (!m_bIsEndEvent)
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/*
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* the next event is not a endElement event.
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*/
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{
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switch (type)
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{
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case Node.DOCUMENT_NODE: /* startDocument */
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m_testTool.updatesCurrentSAXEventInformation("startDocument");
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m_xDocumentHandler.startDocument();
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m_testTool.updatesUIs();
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break;
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case Node.ELEMENT_NODE: /* startElement */
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String nodeName = m_node.getNodeName();
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message = "startElement:"+nodeName;
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NamedNodeMap attrs = m_node.getAttributes();
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AttributeListHelper attributeListHelper = new AttributeListHelper();
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int length = attrs.getLength();
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for (int i=0; i<length; ++i)
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{
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Attr attr = (Attr)attrs.item(i);
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attributeListHelper.setAttribute(attr.getName(), "CDATA", attr.getValue());
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message += " "+attr.getName()+"='"+attr.getValue()+"'";
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}
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m_testTool.updatesCurrentSAXEventInformation(message);
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m_xDocumentHandler.startElement(m_node.getNodeName(), attributeListHelper);
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m_testTool.updatesUIs();
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break;
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case Node.TEXT_NODE: /* characters */
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message = m_node.getNodeValue();
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if (message != null)
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{
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m_testTool.updatesCurrentSAXEventInformation("characters:"+message);
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m_xDocumentHandler.characters(message);
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m_testTool.updatesUIs();
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}
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break;
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case Node.COMMENT_NODE: /* comment */
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break;
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case Node.PROCESSING_INSTRUCTION_NODE: /* PI */
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m_testTool.updatesCurrentSAXEventInformation("processingInstruction:"+m_node.getNodeName()+" "+m_node.getNodeValue());
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m_xDocumentHandler.processingInstruction(m_node.getNodeName(), m_node.getNodeValue());
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m_testTool.updatesUIs();
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break;
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}
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/*
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* figures out the event for the next step.
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*/
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switch (type)
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{
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case Node.DOCUMENT_NODE:
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case Node.ELEMENT_NODE:
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if (m_node.hasChildNodes())
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/*
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* for a Document node or an Element node,
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* if the node has children, then the next event will be for its
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* first child node.
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*/
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{
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m_node = m_node.getFirstChild();
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}
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else
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/*
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* otherwise, the next event will be endElement.
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*/
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{
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m_bIsEndEvent = true;
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}
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break;
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case Node.TEXT_NODE:
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case Node.PROCESSING_INSTRUCTION_NODE:
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case Node.COMMENT_NODE:
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Node nextNode = m_node.getNextSibling();
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if (nextNode != null)
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/*
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* for other kinds of node,
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* if it has a next sibling, then the next event will be for that
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* sibling.
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*/
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{
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m_node = nextNode;
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}
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else
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/*
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* otherwise, the next event will be the endElement for the node's
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* parent node.
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*/
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{
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m_node = m_node.getParentNode();
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m_bIsEndEvent = true;
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}
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break;
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}
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}
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else
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/*
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* the next event is an endElement event.
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*/
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{
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switch (type)
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{
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case Node.DOCUMENT_NODE: /* endDocument */
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m_testTool.updatesCurrentSAXEventInformation("endDocument");
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m_xDocumentHandler.endDocument();
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m_testTool.updatesUIs();
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/*
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* no further steps.
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*/
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rc = false;
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break;
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case Node.ELEMENT_NODE: /* endElement */
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m_testTool.updatesCurrentSAXEventInformation("endElement:"+m_node.getNodeName());
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m_xDocumentHandler.endElement(m_node.getNodeName());
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m_testTool.updatesUIs();
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Node nextNode = m_node.getNextSibling();
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if (nextNode != null)
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/*
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* if the node has a next sibling, then the next event will be the
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* start event for that sibling node.
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*/
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{
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m_node = nextNode;
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m_bIsEndEvent = false;
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}
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else
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/*
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* otherwise, the next event will be the endElement for the node's
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* parent node.
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*/
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{
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m_node = m_node.getParentNode();
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}
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break;
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}
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}
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}
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catch( com.sun.star.xml.sax.SAXException e)
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{
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e.printStackTrace();
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/*
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* forces to end.
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*/
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rc = false;
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}
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return rc;
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}
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}
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