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/*******************************************************************************
* Copyright (c) 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.webapp.parser;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.help.internal.base.util.ProxyUtil;
import org.eclipse.help.internal.webapp.utils.JSonHelper;
import org.eclipse.help.internal.webapp.utils.XMLHelper;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class TocFragmentParser extends ResultParser {
private Properties properties;
private String parentId = ""; //$NON-NLS-1$
private int tagLevel = -1;
private int level = 0;
public TocFragmentParser() {
super(JSonHelper.TITLE);
}
public void parse(URL tocURL, int level)
throws ParserConfigurationException, SAXException, IOException
{
parse(ProxyUtil.getStream(tocURL), level);
}
public void parse(InputStream in, int level)
throws ParserConfigurationException, SAXException, IOException
{
this.level = level;
super.parse(in);
}
public void startElement(String uri,
String lname, String name, Attributes attrs) {
if (name.equalsIgnoreCase(XMLHelper.ELEMENT_NODE)
|| name.equalsIgnoreCase(XMLHelper.ELEMENT_NUMERIC_PATH)) {
tagLevel++;
if (tagLevel == level) {
properties = new Properties();
if (name.equalsIgnoreCase(XMLHelper.ELEMENT_NUMERIC_PATH)) {
setLabel(""); //$NON-NLS-1$
properties.put(JSonHelper.PROPERTY_NAME, JSonHelper.NUMERIC_PATH);
}
else
properties.put(JSonHelper.PROPERTY_NAME, JSonHelper.TOPIC);
for (int i = 0; i < attrs.getLength(); i++) {
String qname = attrs.getQName(i);
String val = attrs.getValue(i);
if (qname.equals(XMLHelper.ATTR_ID)) {
if (parentId.length() > 0)
val = parentId + '$' + val;
}
properties.put(qname, val);
}
} else if (parentId.length() <= 0) {
for (int i = 0; i < attrs.getLength(); i++) {
if (attrs.getQName(i).equals(XMLHelper.ATTR_ID))
parentId = attrs.getValue(i);
}
}
}
}
public void endElement(String uri, String lname, String name) {
if (name.equalsIgnoreCase(XMLHelper.ELEMENT_NODE)
|| name.equalsIgnoreCase(XMLHelper.ELEMENT_NUMERIC_PATH))
{
if (tagLevel == level && properties != null ) {
if (name.equalsIgnoreCase(XMLHelper.ELEMENT_NUMERIC_PATH)) {
properties.setProperty("id", "0"); //$NON-NLS-1$ //$NON-NLS-2$
properties.setProperty("type", "topic"); //$NON-NLS-1$ //$NON-NLS-2$
}
else
properties.setProperty("type", "toc"); //$NON-NLS-1$ //$NON-NLS-2$
ParseElement element = new ParseElement(properties);
items.add(element);
properties = null;
}
tagLevel--;
}
}
}
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