update/org.eclipse.update.core/src/org/eclipse/update/core/model/DefaultSiteParser.java - gerrit/platform/eclipse.platform - Git at Google

 package org.eclipse.update.core.model;
 /*
  * (c) Copyright IBM Corp. 2000, 2002.
  * All Rights Reserved.
  */

 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Stack;

 import org.apache.xerces.parsers.SAXParser;
 import org.eclipse.core.runtime.*;
 import org.eclipse.update.core.URLEntry;
 import org.eclipse.update.internal.core.UpdateManagerPlugin;
 import org.eclipse.update.internal.core.UpdateManagerUtils;
 import org.xml.sax.*;
 import org.xml.sax.helpers.DefaultHandler;

 /**
  * parse default site.xml
  */

 public class DefaultSiteParser extends DefaultHandler {

 	private SAXParser parser;
 	private SiteModelFactory factory;

 	private MultiStatus status;

 	private static final int IGNORED_ELEMENT_STATE = -1;
 	private static final int STATE_INITIAL = 0;
 	private static final int STATE_SITE = 1;
 	private static final int STATE_FEATURE = 2;
 	private static final int STATE_ARCHIVE = 3;
 	private static final int STATE_CATEGORY = 4;
 	private static final int STATE_CATEGORY_DEF = 5;
 	private static final int STATE_DESCRIPTION = 6;
 	private static final String PLUGIN_ID = UpdateManagerPlugin.getPlugin().getDescriptor().getUniqueIdentifier();

 	public static boolean DEBUG = false;

 	public static final String SITE = "site";
 	public static final String FEATURE = "feature";
 	public static final String ARCHIVE = "archive";
 	public static final String CATEGORY_DEF = "category-def";
 	public static final String CATEGORY = "category";
 	public static final String DESCRIPTION = "description";

 	private static final String DEFAULT_INFO_URL = "index.html";

 	// Current State Information
 	Stack stateStack = new Stack();

 	// Current object stack (used to hold the current object we are
 	// populating in this plugin descriptor
 	Stack objectStack = new Stack();

 	/**
 	 * Constructor for DefaultSiteParser
 	 */
 	public DefaultSiteParser(SiteModelFactory factory) {
 		super();
 		this.parser = new SAXParser();
 		this.parser.setContentHandler(this);
 		this.factory = factory;

 		if (DEBUG)
 			debug("Created");
 	}

 	/**
 	 * @since 2.0
 	 */
 	public SiteMapModel parse(InputStream in) throws SAXException, IOException {
 		stateStack.push(new Integer(STATE_INITIAL));
 		parser.parse(new InputSource(in));
 		return (SiteMapModel) objectStack.pop();
 	}

 	/**
 	 * @see DefaultHandler#startElement(String, String, String, Attributes)
 	 */
 	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {

 		if (DEBUG) {
 			debug("State: " + (Integer) stateStack.peek());
 			debug("Start Element: uri:" + uri + " local Name:" + localName + " qName:" + qName);
 		}

 		String tag = localName.trim();

 		int state = ((Integer) stateStack.peek()).intValue();
 		switch (state) {
 			case IGNORED_ELEMENT_STATE :
 				internalErrorUnknownTag("unknown element in ingored state:" + localName);
 				break;
 			case STATE_INITIAL :
 				handleInitialState(localName, attributes);
 				break;

 			case STATE_SITE :
 				handleSiteState(localName, attributes);
 				break;

 			case STATE_FEATURE :
 				handleFeatureState(localName, attributes);
 				break;

 			case STATE_ARCHIVE :
 				handleArchiveState(localName, attributes);
 				break;

 			case STATE_CATEGORY :
 				handleCategoryState(localName, attributes);
 				break;

 			case STATE_CATEGORY_DEF :
 				handleCategoryDefState(localName, attributes);
 				break;

 			case STATE_DESCRIPTION :
 				handleDescriptionState(localName, attributes);
 				break;

 			default :
 				internalErrorUnknownTag("unknown state:" + state);
 				break;
 		}

 	}

 	public void handleInitialState(String elementName, Attributes attributes) throws SAXException {
 		if (elementName.equals(SITE)) {
 			stateStack.push(new Integer(STATE_SITE));
 			processSite(attributes);
 		} else
 			internalErrorUnknownTag("unknown root element:" + elementName);
 	}

 	public void handleSiteState(String elementName, Attributes attributes) {
 		if (elementName.equals(DESCRIPTION)) {
 			stateStack.push(new Integer(STATE_DESCRIPTION));
 			processInfo(attributes);
 		} else if (elementName.equals(FEATURE)) {
 			stateStack.push(new Integer(STATE_FEATURE));
 			processFeature(attributes);
 		} else if (elementName.equals(ARCHIVE)) {
 			stateStack.push(new Integer(STATE_ARCHIVE));
 			processArchive(attributes);
 		} else if (elementName.equals(CATEGORY_DEF)) {
 			stateStack.push(new Integer(STATE_CATEGORY_DEF));
 			processCategoryDef(attributes);
 		} else
 			internalErrorUnknownTag("unknown element :" + elementName+" insie site tag.");
 	}

 	public void handleFeatureState(String elementName, Attributes attributes) {
 		if (elementName.equals(CATEGORY)) {
 			stateStack.push(new Integer(STATE_CATEGORY));
 			processCategory(attributes);
 		} else
 			internalErrorUnknownTag("unknown element:" + elementName+" inside feature tag.");
 	}
 	public void handleArchiveState(String elementName, Attributes attributes) {
 		internalErrorUnknownTag("unknown element:" + elementName+" inside archive tag.");
 	}
 	public void handleCategoryState(String elementName, Attributes attributes) {
 		internalErrorUnknownTag("unknown element:" + elementName+" inside category tag.");
 	}
 	public void handleCategoryDefState(String elementName, Attributes attributes) {
 		if (elementName.equals(DESCRIPTION)) {
 			stateStack.push(new Integer(STATE_DESCRIPTION));
 			processInfo(attributes);
 		} else
 			internalErrorUnknownTag("unknown element:" + elementName+" inside category definition tag.");
 	}
 	public void handleDescriptionState(String elementName, Attributes attributes) {
 		internalErrorUnknownTag("unknown element:" + elementName+" inside description tag.");
 	}

 	/**
 	 * process site info
 	 */
 	private void processSite(Attributes attributes) throws SAXException {
 		// create site map
 		SiteMapModel site = factory.createSiteMapModel();

 		// Compatibility support for <site url=""/>. If <description> is specified,
 		// it takes precedence
 		// FIXME: do we still need it ?
 		String infoURL = attributes.getValue("url");
 		if (infoURL == null || infoURL.trim().equals(""))
 			infoURL = DEFAULT_INFO_URL;
 		URLEntryModel description = factory.createURLEntryModel();
 		description.setURLString(infoURL);
 		site.setDescriptionModel(description);

 		// verify we can parse the site ...if the site has
 		// a different type throw an exception to force reparsing
 		// with the matching parser
 		String type = attributes.getValue("type");
 		if (!factory.canParseSiteType(type)) {
 			throw new SAXException(new InvalidSiteTypeException(type));
 		}
 		site.setType(type);
 		objectStack.push(site);

 		if (DEBUG)
 			debug("End process Site tag: infoURL:" + infoURL + " type:" + type);

 	}

 	/**
 	 * process feature info
 	 */
 	private void processFeature(Attributes attributes) {
 		FeatureReferenceModel feature = factory.createFeatureReferenceModel();
 		String urlInfo = UpdateManagerUtils.encode(attributes.getValue("url"));
 		if (urlInfo == null || urlInfo.trim().equals(""))
 			internalError("Invalid URL tag of a feature tag. Value is required.");
 		feature.setURLString(urlInfo);

 		String type = attributes.getValue("type");
 		feature.setType(type);

 		SiteMapModel site = (SiteMapModel) objectStack.peek();
 		site.addFeatureReferenceModel(feature);
 		feature.setSiteModel(site);

 		objectStack.push(feature);

 		if (DEBUG)
 			debug("End Processing DefaultFeature Tag: url:" + urlInfo + " type:" + type);
 	}

 	/**
 	 * process archive info
 	 */
 	private void processArchive(Attributes attributes) {
 		ArchiveReferenceModel archive = factory.createArchiveReferenceModel();
 		String id = attributes.getValue("path");
 		if (id == null || id.trim().equals("")) {
 			internalError("The id tag of an archive is null or does not exist.");
 		} else {
 			archive.setPath(id);

 			String url = attributes.getValue("url");
 			if (url == null || url.trim().equals("")) {
 				internalError("The url tag of an archive is null or does not exist.");
 			} else {
 				url = UpdateManagerUtils.encode(url);
 				archive.setURLString(url);

 				SiteMapModel site = (SiteMapModel) objectStack.peek();
 				site.addArchiveReferenceModel(archive);
 			}
 			if (DEBUG)
 				debug("End processing Archive: path:" + id + " url:" + url);
 		}
 	}

 		/**
 		 * process the Category  info
 		 */
 		private void processCategory(Attributes attributes) {
 			String category = attributes.getValue("name");
 			FeatureReferenceModel feature = (FeatureReferenceModel) objectStack.peek();
 			feature.addCategoryName(category);

 			if (DEBUG)
 				debug("End processing Category: name:" + category);
 		}

 		/**
 		 * process category def info
 		 */
 		private void processCategoryDef(Attributes attributes) {
 			SiteCategoryModel category = factory.createSiteCategoryModel();
 			String name = attributes.getValue("name");
 			String label = attributes.getValue("label");
 			category.setName(name);
 			category.setLabel(label);

 			SiteMapModel site = (SiteMapModel) objectStack.peek();
 			site.addCategoryModel(category);
 			objectStack.push(category);

 			if (DEBUG)
 				debug("End processing CategoryDef: name:" + name + " label:" + label);
 		}

 		/**
 		 * process URL info with element text
 		 */
 		private void processInfo(Attributes attributes) {
 			URLEntryModel inf = factory.createURLEntryModel();
 			String infoURL = attributes.getValue("url");
 			inf.setURLString(infoURL);

 			if (DEBUG)
 				debug("Processed Info: url:" + infoURL);

 			objectStack.push(inf);
 		}

 		/**
 		 * @see DefaultHandler#endElement(String, String, String)
 		 */
 		public void endElement(String uri, String localName, String qName) {

 			String tag = localName.trim();

 			int state = ((Integer) stateStack.peek()).intValue();
 			switch (state) {
 				case IGNORED_ELEMENT_STATE :
 				case STATE_ARCHIVE :
 				case STATE_CATEGORY :
 					stateStack.pop();
 					break;

 				case STATE_INITIAL :
 					internalError("Stack back to Initial State, error parsing file");
 					break;

 				case STATE_SITE :
 					stateStack.pop();
 					if (objectStack.peek() instanceof String) {
 						String text = (String) objectStack.pop();
 						SiteMapModel site = (SiteMapModel) objectStack.peek();
 						site.getDescriptionModel().setAnnotation(text);
 					}
 					//do not pop
 					break;

 				case STATE_FEATURE :
 					stateStack.pop();
 					objectStack.pop();
 					break;

 				case STATE_CATEGORY_DEF :
 					stateStack.pop();
 					if (objectStack.peek() instanceof String) {
 						String text = (String) objectStack.pop();
 						SiteCategoryModel category = (SiteCategoryModel) objectStack.peek();
 						category.getDescriptionModel().setAnnotation(text);
 					}
 					objectStack.pop();
 					break;

 				case STATE_DESCRIPTION :
 					stateStack.pop();
 					URLEntryModel info = (URLEntry) objectStack.pop();
 					int innerState = ((Integer) stateStack.peek()).intValue();
 					switch (innerState) {

 						case STATE_SITE :

 							SiteMapModel siteModel = (SiteMapModel) objectStack.peek();
 							siteModel.setDescriptionModel(info);
 							break;

 						case STATE_CATEGORY_DEF :
 							SiteCategoryModel category = (SiteCategoryModel) objectStack.peek();
 							category.setDescriptionModel(info);
 							break;

 						default :
 							internalError("Description in wrong state:" + state);
 							break;
 					}
 					break;

 				default :
 					internalError("unknown state:" + state);
 					break;
 			}

 			if (DEBUG)
 				debug("End Element:" + uri + ":" + localName + ":" + qName);
 		}

 		/**
 		 * @see DefaultHandler#characters(char[], int, int)
 		 */
 		public void characters(char[] ch, int start, int length) {
 			String text = new String(ch, start, length).trim();
 			if (!text.equals(""))
 				objectStack.push(text);
 		}

 		private void debug(String s) {
 			System.out.println("DefaultSiteParser: " + s);
 		}

 		public void error(SAXParseException ex) {
 			logStatus(ex);
 		}

 		public void fatalError(SAXParseException ex) throws SAXException {
 			logStatus(ex);
 			throw ex;
 		}

 		private void logStatus(SAXParseException ex) {
 			String name = ex.getSystemId();
 			if (name == null)
 				name = "";
 			else
 				name = name.substring(1 + name.lastIndexOf("/"));

 			String msg;
 			if (name.equals(""))
 				msg = "Error Parsing";
 			else
 				msg = "Error:" + name + " line:" + Integer.toString(ex.getLineNumber()) + " column:" + Integer.toString(ex.getColumnNumber()) + " message:" + ex.getMessage();
 			error(new Status(IStatus.WARNING, PLUGIN_ID, Platform.PARSE_PROBLEM, msg, ex));
 		}

 		/**
 		 * Handles an error state specified by the status.  The collection of all logged status
 		 * objects can be accessed using <code>getStatus()</code>.
 		 *
 		 * @param error a status detailing the error condition
 		 */
 		public void error(IStatus error) {

 			getStatus().add(error);
 			UpdateManagerPlugin.getPlugin().getLog().log(error);
 			if (UpdateManagerPlugin.DEBUG && UpdateManagerPlugin.DEBUG_SHOW_PARSING)
 				UpdateManagerPlugin.getPlugin().debug(error.toString());
 		}
 		/**
 		 *
 		 */
 		public void internalErrorUnknownTag(String msg) {
 			stateStack.push(new Integer(IGNORED_ELEMENT_STATE));
 			internalError(msg);
 		}
 		/**
 		 * Returns all of the status objects logged thus far by this factory.
 		 *
 		 * @return a multi-status containing all of the logged status objects
 		 */
 		public MultiStatus getStatus() {
 			if (status == null) {
 				status = new MultiStatus(PLUGIN_ID, Platform.PARSE_PROBLEM, "Error parsing Site.xml", null);
 			}
 			return status;
 		}

 		private void internalError(String message) {
 			error(new Status(IStatus.WARNING, PLUGIN_ID, Platform.PARSE_PROBLEM, message, null));
 		}
 	}
	package org.eclipse.update.core.model;
	/*
	* (c) Copyright IBM Corp. 2000, 2002.
	* All Rights Reserved.
	*/

	import java.io.IOException;
	import java.io.InputStream;
	import java.util.Stack;

	import org.apache.xerces.parsers.SAXParser;
	import org.eclipse.core.runtime.*;
	import org.eclipse.update.core.URLEntry;
	import org.eclipse.update.internal.core.UpdateManagerPlugin;
	import org.eclipse.update.internal.core.UpdateManagerUtils;
	import org.xml.sax.*;
	import org.xml.sax.helpers.DefaultHandler;

	/**
	* parse default site.xml
	*/

	public class DefaultSiteParser extends DefaultHandler {

	private SAXParser parser;
	private SiteModelFactory factory;

	private MultiStatus status;

	private static final int IGNORED_ELEMENT_STATE = -1;
	private static final int STATE_INITIAL = 0;
	private static final int STATE_SITE = 1;
	private static final int STATE_FEATURE = 2;
	private static final int STATE_ARCHIVE = 3;
	private static final int STATE_CATEGORY = 4;
	private static final int STATE_CATEGORY_DEF = 5;
	private static final int STATE_DESCRIPTION = 6;
	private static final String PLUGIN_ID = UpdateManagerPlugin.getPlugin().getDescriptor().getUniqueIdentifier();

	public static boolean DEBUG = false;

	public static final String SITE = "site";
	public static final String FEATURE = "feature";
	public static final String ARCHIVE = "archive";
	public static final String CATEGORY_DEF = "category-def";
	public static final String CATEGORY = "category";
	public static final String DESCRIPTION = "description";

	private static final String DEFAULT_INFO_URL = "index.html";

	// Current State Information
	Stack stateStack = new Stack();

	// Current object stack (used to hold the current object we are
	// populating in this plugin descriptor
	Stack objectStack = new Stack();

	/**
	* Constructor for DefaultSiteParser
	*/
	public DefaultSiteParser(SiteModelFactory factory) {
	super();
	this.parser = new SAXParser();
	this.parser.setContentHandler(this);
	this.factory = factory;

	if (DEBUG)
	debug("Created");
	}

	/**
	* @since 2.0
	*/
	public SiteMapModel parse(InputStream in) throws SAXException, IOException {
	stateStack.push(new Integer(STATE_INITIAL));
	parser.parse(new InputSource(in));
	return (SiteMapModel) objectStack.pop();
	}

	/**
	* @see DefaultHandler#startElement(String, String, String, Attributes)
	*/
	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {

	if (DEBUG) {
	debug("State: " + (Integer) stateStack.peek());
	debug("Start Element: uri:" + uri + " local Name:" + localName + " qName:" + qName);
	}

	String tag = localName.trim();

	int state = ((Integer) stateStack.peek()).intValue();
	switch (state) {
	case IGNORED_ELEMENT_STATE :
	internalErrorUnknownTag("unknown element in ingored state:" + localName);
	break;
	case STATE_INITIAL :
	handleInitialState(localName, attributes);
	break;

	case STATE_SITE :
	handleSiteState(localName, attributes);
	break;

	case STATE_FEATURE :
	handleFeatureState(localName, attributes);
	break;

	case STATE_ARCHIVE :
	handleArchiveState(localName, attributes);
	break;

	case STATE_CATEGORY :
	handleCategoryState(localName, attributes);
	break;

	case STATE_CATEGORY_DEF :
	handleCategoryDefState(localName, attributes);
	break;

	case STATE_DESCRIPTION :
	handleDescriptionState(localName, attributes);
	break;

	default :
	internalErrorUnknownTag("unknown state:" + state);
	break;
	}

	}

	public void handleInitialState(String elementName, Attributes attributes) throws SAXException {
	if (elementName.equals(SITE)) {
	stateStack.push(new Integer(STATE_SITE));
	processSite(attributes);
	} else
	internalErrorUnknownTag("unknown root element:" + elementName);
	}

	public void handleSiteState(String elementName, Attributes attributes) {
	if (elementName.equals(DESCRIPTION)) {
	stateStack.push(new Integer(STATE_DESCRIPTION));
	processInfo(attributes);
	} else if (elementName.equals(FEATURE)) {
	stateStack.push(new Integer(STATE_FEATURE));
	processFeature(attributes);
	} else if (elementName.equals(ARCHIVE)) {
	stateStack.push(new Integer(STATE_ARCHIVE));
	processArchive(attributes);
	} else if (elementName.equals(CATEGORY_DEF)) {
	stateStack.push(new Integer(STATE_CATEGORY_DEF));
	processCategoryDef(attributes);
	} else
	internalErrorUnknownTag("unknown element :" + elementName+" insie site tag.");
	}

	public void handleFeatureState(String elementName, Attributes attributes) {
	if (elementName.equals(CATEGORY)) {
	stateStack.push(new Integer(STATE_CATEGORY));
	processCategory(attributes);
	} else
	internalErrorUnknownTag("unknown element:" + elementName+" inside feature tag.");
	}
	public void handleArchiveState(String elementName, Attributes attributes) {
	internalErrorUnknownTag("unknown element:" + elementName+" inside archive tag.");
	}
	public void handleCategoryState(String elementName, Attributes attributes) {
	internalErrorUnknownTag("unknown element:" + elementName+" inside category tag.");
	}
	public void handleCategoryDefState(String elementName, Attributes attributes) {
	if (elementName.equals(DESCRIPTION)) {
	stateStack.push(new Integer(STATE_DESCRIPTION));
	processInfo(attributes);
	} else
	internalErrorUnknownTag("unknown element:" + elementName+" inside category definition tag.");
	}
	public void handleDescriptionState(String elementName, Attributes attributes) {
	internalErrorUnknownTag("unknown element:" + elementName+" inside description tag.");
	}

	/**
	* process site info
	*/
	private void processSite(Attributes attributes) throws SAXException {
	// create site map
	SiteMapModel site = factory.createSiteMapModel();

	// Compatibility support for <site url=""/>. If <description> is specified,
	// it takes precedence
	// FIXME: do we still need it ?
	String infoURL = attributes.getValue("url");
	if (infoURL == null \|\| infoURL.trim().equals(""))
	infoURL = DEFAULT_INFO_URL;
	URLEntryModel description = factory.createURLEntryModel();
	description.setURLString(infoURL);
	site.setDescriptionModel(description);

	// verify we can parse the site ...if the site has
	// a different type throw an exception to force reparsing
	// with the matching parser
	String type = attributes.getValue("type");
	if (!factory.canParseSiteType(type)) {
	throw new SAXException(new InvalidSiteTypeException(type));
	}
	site.setType(type);
	objectStack.push(site);

	if (DEBUG)
	debug("End process Site tag: infoURL:" + infoURL + " type:" + type);

	}

	/**
	* process feature info
	*/
	private void processFeature(Attributes attributes) {
	FeatureReferenceModel feature = factory.createFeatureReferenceModel();
	String urlInfo = UpdateManagerUtils.encode(attributes.getValue("url"));
	if (urlInfo == null \|\| urlInfo.trim().equals(""))
	internalError("Invalid URL tag of a feature tag. Value is required.");
	feature.setURLString(urlInfo);

	String type = attributes.getValue("type");
	feature.setType(type);

	SiteMapModel site = (SiteMapModel) objectStack.peek();
	site.addFeatureReferenceModel(feature);
	feature.setSiteModel(site);

	objectStack.push(feature);

	if (DEBUG)
	debug("End Processing DefaultFeature Tag: url:" + urlInfo + " type:" + type);
	}

	/**
	* process archive info
	*/
	private void processArchive(Attributes attributes) {
	ArchiveReferenceModel archive = factory.createArchiveReferenceModel();
	String id = attributes.getValue("path");
	if (id == null \|\| id.trim().equals("")) {
	internalError("The id tag of an archive is null or does not exist.");
	} else {
	archive.setPath(id);

	String url = attributes.getValue("url");
	if (url == null \|\| url.trim().equals("")) {
	internalError("The url tag of an archive is null or does not exist.");
	} else {
	url = UpdateManagerUtils.encode(url);
	archive.setURLString(url);

	SiteMapModel site = (SiteMapModel) objectStack.peek();
	site.addArchiveReferenceModel(archive);
	}
	if (DEBUG)
	debug("End processing Archive: path:" + id + " url:" + url);
	}
	}

	/**
	* process the Category info
	*/
	private void processCategory(Attributes attributes) {
	String category = attributes.getValue("name");
	FeatureReferenceModel feature = (FeatureReferenceModel) objectStack.peek();
	feature.addCategoryName(category);

	if (DEBUG)
	debug("End processing Category: name:" + category);
	}

	/**
	* process category def info
	*/
	private void processCategoryDef(Attributes attributes) {
	SiteCategoryModel category = factory.createSiteCategoryModel();
	String name = attributes.getValue("name");
	String label = attributes.getValue("label");
	category.setName(name);
	category.setLabel(label);

	SiteMapModel site = (SiteMapModel) objectStack.peek();
	site.addCategoryModel(category);
	objectStack.push(category);

	if (DEBUG)
	debug("End processing CategoryDef: name:" + name + " label:" + label);
	}

	/**
	* process URL info with element text
	*/
	private void processInfo(Attributes attributes) {
	URLEntryModel inf = factory.createURLEntryModel();
	String infoURL = attributes.getValue("url");
	inf.setURLString(infoURL);

	if (DEBUG)
	debug("Processed Info: url:" + infoURL);

	objectStack.push(inf);
	}

	/**
	* @see DefaultHandler#endElement(String, String, String)
	*/
	public void endElement(String uri, String localName, String qName) {

	String tag = localName.trim();

	int state = ((Integer) stateStack.peek()).intValue();
	switch (state) {
	case IGNORED_ELEMENT_STATE :
	case STATE_ARCHIVE :
	case STATE_CATEGORY :
	stateStack.pop();
	break;

	case STATE_INITIAL :
	internalError("Stack back to Initial State, error parsing file");
	break;

	case STATE_SITE :
	stateStack.pop();
	if (objectStack.peek() instanceof String) {
	String text = (String) objectStack.pop();
	SiteMapModel site = (SiteMapModel) objectStack.peek();
	site.getDescriptionModel().setAnnotation(text);
	}
	//do not pop
	break;

	case STATE_FEATURE :
	stateStack.pop();
	objectStack.pop();
	break;

	case STATE_CATEGORY_DEF :
	stateStack.pop();
	if (objectStack.peek() instanceof String) {
	String text = (String) objectStack.pop();
	SiteCategoryModel category = (SiteCategoryModel) objectStack.peek();
	category.getDescriptionModel().setAnnotation(text);
	}
	objectStack.pop();
	break;

	case STATE_DESCRIPTION :
	stateStack.pop();
	URLEntryModel info = (URLEntry) objectStack.pop();
	int innerState = ((Integer) stateStack.peek()).intValue();
	switch (innerState) {

	case STATE_SITE :

	SiteMapModel siteModel = (SiteMapModel) objectStack.peek();
	siteModel.setDescriptionModel(info);
	break;

	case STATE_CATEGORY_DEF :
	SiteCategoryModel category = (SiteCategoryModel) objectStack.peek();
	category.setDescriptionModel(info);
	break;

	default :
	internalError("Description in wrong state:" + state);
	break;
	}
	break;

	default :
	internalError("unknown state:" + state);
	break;
	}

	if (DEBUG)
	debug("End Element:" + uri + ":" + localName + ":" + qName);
	}

	/**
	* @see DefaultHandler#characters(char[], int, int)
	*/
	public void characters(char[] ch, int start, int length) {
	String text = new String(ch, start, length).trim();
	if (!text.equals(""))
	objectStack.push(text);
	}

	private void debug(String s) {
	System.out.println("DefaultSiteParser: " + s);
	}

	public void error(SAXParseException ex) {
	logStatus(ex);
	}

	public void fatalError(SAXParseException ex) throws SAXException {
	logStatus(ex);
	throw ex;
	}

	private void logStatus(SAXParseException ex) {
	String name = ex.getSystemId();
	if (name == null)
	name = "";
	else
	name = name.substring(1 + name.lastIndexOf("/"));

	String msg;
	if (name.equals(""))
	msg = "Error Parsing";
	else
	msg = "Error:" + name + " line:" + Integer.toString(ex.getLineNumber()) + " column:" + Integer.toString(ex.getColumnNumber()) + " message:" + ex.getMessage();
	error(new Status(IStatus.WARNING, PLUGIN_ID, Platform.PARSE_PROBLEM, msg, ex));
	}

	/**
	* Handles an error state specified by the status. The collection of all logged status
	* objects can be accessed using <code>getStatus()</code>.
	*
	* @param error a status detailing the error condition
	*/
	public void error(IStatus error) {

	getStatus().add(error);
	UpdateManagerPlugin.getPlugin().getLog().log(error);
	if (UpdateManagerPlugin.DEBUG && UpdateManagerPlugin.DEBUG_SHOW_PARSING)
	UpdateManagerPlugin.getPlugin().debug(error.toString());
	}
	/**
	*
	*/
	public void internalErrorUnknownTag(String msg) {
	stateStack.push(new Integer(IGNORED_ELEMENT_STATE));
	internalError(msg);
	}
	/**
	* Returns all of the status objects logged thus far by this factory.
	*
	* @return a multi-status containing all of the logged status objects
	*/
	public MultiStatus getStatus() {
	if (status == null) {
	status = new MultiStatus(PLUGIN_ID, Platform.PARSE_PROBLEM, "Error parsing Site.xml", null);
	}
	return status;
	}

	private void internalError(String message) {
	error(new Status(IStatus.WARNING, PLUGIN_ID, Platform.PARSE_PROBLEM, message, null));
	}
	}