package com.supinfo.reader.sax;

import java.util.ArrayList;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

import android.net.Uri;

import com.supinfo.reader.beans.RSSItem;

public class RSSParser extends DefaultHandler {

	private boolean currenttag;
	private String currentvalue;
	private ArrayList<RSSItem> listitems;
	private RSSItem item;
	private String name;
	private boolean isChannel;

	public RSSParser() {
		currenttag = false;
		isChannel = false;
		listitems = new ArrayList<RSSItem>();
	}

	@Override
	public void startElement(String uri, String localName, String qName,
			Attributes attributes) throws SAXException {
		// TODO Auto-generated method stub
		super.startElement(uri, localName, qName, attributes);

		if (localName.equals("item")) {
			currenttag = true;
			item = new RSSItem();
		}
		else if (localName.equals("channel")) {
			isChannel = true;
		}
	}

	@Override
	public void characters(char[] ch, int start, int length)
			throws SAXException {
		// TODO Auto-generated method stub
		super.characters(ch, start, length);

		if (currenttag || isChannel) {
			currentvalue = new String(ch);
		}
	}

	@Override
	public void endElement(String uri, String localName, String qName)
			throws SAXException {
		// TODO Auto-generated method stub
		super.endElement(uri, localName, qName);

		if (currenttag && !currentvalue.isEmpty()) {
			if (localName.equals("title") && !isChannel) {
				item.setTitle(currentvalue);
			}
			else if (localName.equals("description")) {
				item.setDescription(currentvalue);
			}
			else if (localName.equals("link")) {
				item.setLink(Uri.parse(currentvalue));
			}
			else if (localName.equals("pubDate")) {
				item.setPublicationDate(currentvalue);
			}
		}
		else if (localName.equals("title") && isChannel) {
			name = currentvalue;
			isChannel = false;
		}

		if (localName.equals("item")) {
			listitems.add(item);
			currenttag = false;
		}
	}

	public ArrayList<RSSItem> getFlux() {
		return listitems;
	}

	public String getName() {
		return name;
	}
}