/*
* ITunesParser.java
*
* Created on August 1, 2005, 8:29 PM
*
* This library is provided under dual licenses.
* You may choose the terms of the Lesser General Public License or the Apache
* License at your discretion.
*
* Copyright (C) 2005 Robert Cooper, Temple of the Screaming Penguin
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.rometools.feed.module.itunes.io;
import org.rometools.feed.module.itunes.AbstractITunesObject;
import org.rometools.feed.module.itunes.EntryInformationImpl;
import org.rometools.feed.module.itunes.FeedInformationImpl;
import com.sun.syndication.io.ModuleParser;
import org.rometools.feed.module.itunes.types.Category;
import org.rometools.feed.module.itunes.types.Duration;
import org.rometools.feed.module.itunes.types.Subcategory;
import com.sun.syndication.io.WireFeedParser;
import org.jdom2.Element;
import org.jdom2.Namespace;
import org.jdom2.output.XMLOutputter;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;
import java.util.logging.Logger;
/**
* @version $Revision: 1.10 $
* @author <a href="mailto:cooper@screaming-penguin.com">Robert "kebernet" Cooper</a>
*/
public class ITunesParser implements ModuleParser {
static Logger log = Logger.getLogger(ITunesParser.class.getName());
Namespace ns = Namespace.getNamespace(AbstractITunesObject.URI);
/** Creates a new instance of ITunesParser */
public ITunesParser() {
}
public void setParser(WireFeedParser feedParser) {
}
public String getNamespaceUri() {
return AbstractITunesObject.URI;
}
public com.sun.syndication.feed.module.Module parse(org.jdom2.Element element) {
AbstractITunesObject module = null;
if (element.getName().equals("channel")) {
FeedInformationImpl feedInfo = new FeedInformationImpl();
module = feedInfo;
//Now I am going to get the channel specific tags
Element owner = element.getChild("owner", ns);
if (owner != null) {
Element name = owner.getChild("name", ns);
if (name != null) {
feedInfo.setOwnerName(name.getValue().trim());
}
Element email = owner.getChild("email", ns);
if (email != null) {
feedInfo.setOwnerEmailAddress(email.getValue().trim());
}
}
Element image = element.getChild("image", ns);
if ((image != null) && (image.getAttributeValue("href") != null)) {
try {
URL imageURL = new URL(image.getAttributeValue("href").trim());
feedInfo.setImage(imageURL);
} catch (MalformedURLException e) {
log.finer("Malformed URL Exception reading itunes:image tag: " + image.getAttributeValue("href"));
}
}
List categories = element.getChildren("category", ns);
for (Iterator it = categories.iterator(); it.hasNext();) {
Element category = (Element) it.next();
if ((category != null) && (category.getAttribute("text") != null)) {
Category cat = new Category();
cat.setName(category.getAttribute("text").getValue().trim());
Element subcategory = category.getChild("category", ns);
if (subcategory != null && subcategory.getAttribute("text") != null) {
Subcategory subcat = new Subcategory();
subcat.setName(subcategory.getAttribute("text").getValue().trim());
cat.setSubcategory(subcat);
}
feedInfo.getCategories().add(cat);
}
}
} else if (element.getName().equals("item")) {
EntryInformationImpl entryInfo = new EntryInformationImpl();
module = entryInfo;
//Now I am going to get the item specific tags
Element duration = element.getChild("duration", ns);
if (duration != null && duration.getValue() != null ) {
Duration dur = new Duration(duration.getValue().trim());
entryInfo.setDuration(dur);
}
}
if (module != null) {
//All these are common to both Channel and Item
Element author = element.getChild("author", ns);
if (author != null && author.getText() != null ) {
module.setAuthor(author.getText());
}
Element block = element.getChild("block", ns);
if (block != null) {
module.setBlock(true);
}
Element explicit = element.getChild("explicit", ns);
if ((explicit != null) && explicit.getValue() != null
&& explicit.getValue().trim().equalsIgnoreCase("yes")) {
module.setExplicit(true);
}
Element keywords = element.getChild("keywords", ns);
if (keywords != null) {
StringTokenizer tok = new StringTokenizer(getXmlInnerText(keywords).trim(), ",");
String[] keywordsArray = new String[tok.countTokens()];
for (int i = 0; tok.hasMoreTokens(); i++) {
keywordsArray[i] = tok.nextToken();
}
module.setKeywords(keywordsArray);
}
Element subtitle = element.getChild("subtitle", ns);
if (subtitle != null) {
module.setSubtitle(subtitle.getTextTrim());
}
Element summary = element.getChild("summary", ns);
if (summary != null) {
module.setSummary(summary.getTextTrim());
}
}
return module;
}
protected String getXmlInnerText(Element e) {
StringBuffer sb = new StringBuffer();
XMLOutputter xo = new XMLOutputter();
List children = e.getContent();
sb.append(xo.outputString(children));
return sb.toString();
}
}