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/*******************************************************************************
* Copyright (c) 2011, 2017 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.help.internal.webapp.parser;
import java.util.Properties;
import org.eclipse.help.internal.webapp.utils.JSonHelper;
import org.eclipse.help.internal.webapp.utils.Utils;
import org.eclipse.help.internal.webapp.utils.XMLHelper;
import org.xml.sax.Attributes;
public class AboutParser extends ResultParser {
private ParseElement element = null;
private String currentTag;
private long service;
public AboutParser(long service) {
super(JSonHelper.TITLE);
this.service = service;
if (this.service == Utils.ABOUT_PLUGIN)
this.setIdentifier(JSonHelper.PLUGIN_ID);
}
@Override
public void startElement(String uri, String lname, String name, Attributes attrs) {
currentTag = name;
Properties properties = new Properties();
properties.put(JSonHelper.PROPERTY_NAME, name);
if (!((service == Utils.PREFERENCE
&& (name.equalsIgnoreCase(XMLHelper.ELEMENT_PREFERENCES)
|| name.equalsIgnoreCase(XMLHelper.ELEMENT_PLUGIN)))
|| service == Utils.ABOUT_PLUGIN))
properties.put(JSonHelper.PROPERTY_VALUE, ""); //$NON-NLS-1$
for (int i = 0; i < attrs.getLength(); i++) {
String qname = attrs.getQName(i);
String val = attrs.getValue(i);
properties.put(qname, val);
}
ParseElement elem = new ParseElement(properties, element);
if (element != null)
element.addChild(elem);
else
items.add(elem);
element = elem;
}
@Override
public void characters(char[] ch, int start, int length) {
if ((service == Utils.PREFERENCE
&& (currentTag.equalsIgnoreCase(XMLHelper.ELEMENT_PREFERENCES)
|| currentTag.equalsIgnoreCase(XMLHelper.ELEMENT_PLUGIN)))
|| service == Utils.ABOUT_PLUGIN)
return;
if (element != null && !currentTag.isEmpty()) {
Properties properties = element.getProps();
if (properties != null) {
String content = new String(ch, start, length);
String existing = (String) properties.get(currentTag);
if (existing == null)
existing = ""; //$NON-NLS-1$
content = content.replaceAll("[\\n\\t]", "").trim(); //$NON-NLS-1$ //$NON-NLS-2$
properties.put(JSonHelper.PROPERTY_VALUE, existing + content);
element.updateParseElement(properties);
}
}
}
@Override
public void endElement(String uri, String lname, String name) {
if (element != null) {
element = element.getParent();
}
currentTag = ""; //$NON-NLS-1$
}
@Override
public String toJSON() {
StringBuilder buf = new StringBuilder();
buf.append(JSonHelper.BEGIN_BRACE);
buf.append(JSonHelper.NEWLINE + JSonHelper.SPACE);
buf.append(JSonHelper.getQuotes(JSonHelper.IDENTIFIER));
buf.append(JSonHelper.COLON);
buf.append(JSonHelper.getQuotes(id));
buf.append(JSonHelper.COMMA);
buf.append(JSonHelper.NEWLINE + JSonHelper.SPACE);
buf.append(JSonHelper.getQuotes(JSonHelper.LABEL));
buf.append(JSonHelper.COLON);
buf.append(JSonHelper.getQuotes(label));
buf.append(JSonHelper.COMMA);
ParseElement elem = items.get(0);
if (elem != null)
buf.append(elem.toJSON());
buf.append(JSonHelper.END_BRACE);
return buf.toString();
}
}
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