/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** 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.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.core.internal.interpreter;
import org.jdom.Attribute;
import org.jdom.Element;
import org.rssowl.core.interpreter.INamespaceHandler;
import org.rssowl.core.persist.IFeed;
import org.rssowl.core.persist.INews;
import org.rssowl.core.persist.IPersistable;
import org.rssowl.core.util.URIUtils;
import java.net.URI;
import java.net.URISyntaxException;
/**
* Handler for the XML Namespace.
* <p>
* Namespace Prefix: xml<br>
* Namespace URI: http://www.w3.org/XML/1998/namespace
* </p>
*
* @author bpasero
*/
public class XMLNamespaceHandler implements INamespaceHandler {
/*
* @see org.rssowl.core.interpreter.INamespaceHandler#processElement(org.jdom.Element,
* org.rssowl.core.model.types.IExtendableType)
*/
public void processElement(Element element, IPersistable type) {
/* The XML Namespace is not defined for Elements */
}
/*
* @see org.rssowl.core.interpreter.INamespaceHandler#processAttribute(org.jdom.Attribute,
* org.rssowl.core.model.types.IExtendableType)
*/
public void processAttribute(Attribute attribute, IPersistable type) {
/* Language */
if ("lang".equals(attribute.getName()) && type instanceof IFeed) //$NON-NLS-1$
((IFeed) type).setLanguage(attribute.getValue());
/* Base URI */
if ("base".equals(attribute.getName())) { //$NON-NLS-1$
URI baseUri = URIUtils.createURI(attribute.getValue());
/* Feed */
if (baseUri != null && type instanceof IFeed)
((IFeed) type).setBase(baseUri);
/* News */
else if (baseUri != null && type instanceof INews) {
INews news = (INews) type;
/* If the Base is relative, try to resolve against Feeds's base if provided */
if (news.getBase() != null && news.getBase().isAbsolute() && !baseUri.isAbsolute()) {
try {
news.setBase(URIUtils.resolve(news.getBase(), baseUri));
} catch (URISyntaxException e) {
news.setBase(baseUri);
}
} else
news.setBase(baseUri);
}
}
}
}