E2EpgNowNextListHandler.java

/* © 2010 Stephan Reichholf <stephan at reichholf dot net>
 * 
 * Licensed under the Create-Commons Attribution-Noncommercial-Share Alike 3.0 Unported
 * http://creativecommons.org/licenses/by-nc-sa/3.0/
 */

package net.reichholf.dreamdroid.parsers.enigma2.saxhandler;

import net.reichholf.dreamdroid.helpers.ExtendedHashMap;
import net.reichholf.dreamdroid.helpers.enigma2.Event;

import org.xml.sax.Attributes;

/**
 * @author sreichholf
 * 
 */
public class E2EpgNowNextListHandler extends E2ListHandler {	
	protected static final String TAG_E2EVENT = "e2event";
	protected static final String TAG_E2EVENTID = "e2eventid";
	protected static final String TAG_E2EVENTSTART = "e2eventstart";
	protected static final String TAG_E2EVENTDURATION = "e2eventduration";
	protected static final String TAG_E2EVENTCURRENTTIME = "e2eventcurrenttime";
	protected static final String TAG_E2EVENTTITLE = "e2eventtitle";
	protected static final String TAG_E2EVENTDESCRIPTION = "e2eventdescription";
	protected static final String TAG_E2EVENTDESCRIPTIONEXTENDED = "e2eventdescriptionextended";
	protected static final String TAG_E2EVENTSERVICEREFERENCE = "e2eventservicereference";
	protected static final String TAG_E2EVENTSERVICENAME = "e2eventservicename";

	private boolean inEvent = false;
	private boolean inId = false;
	private boolean inStart = false;
	private boolean inDuration = false;
	private boolean inCurrentTime = false;
	private boolean inTitle = false;
	private boolean inDescription = false;
	private boolean inDescriptionEx = false;
	private boolean inServiceRef = false;
	private boolean inServiceName = false;
	
	private ExtendedHashMap mEvent;
	private boolean isFirst;

	public E2EpgNowNextListHandler(){
		super();
		isFirst = false;
	}
	
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xml.sax.helpers.DefaultHandler#startElement(java.lang.String,
	 * java.lang.String, java.lang.String, org.xml.sax.Attributes)
	 */
	@Override
	public void startElement(String namespaceUri, String localName, String qName, Attributes attrs) {
		switch (localName) {
			case TAG_E2EVENT:
				inEvent = true;
				if (!isFirst || mEvent == null)
					mEvent = new ExtendedHashMap();
				isFirst = !isFirst;

				break;
			case TAG_E2EVENTID:
				inId = true;
				break;
			case TAG_E2EVENTSTART:
				inStart = true;
				break;
			case TAG_E2EVENTDURATION:
				inDuration = true;
				break;
			case TAG_E2EVENTCURRENTTIME:
				inCurrentTime = true;
				break;
			case TAG_E2EVENTTITLE:
				inTitle = true;
				break;
			case TAG_E2EVENTDESCRIPTION:
				inDescription = true;
				break;
			case TAG_E2EVENTDESCRIPTIONEXTENDED:
				inDescriptionEx = true;
				break;
			case TAG_E2EVENTSERVICEREFERENCE:
				inServiceRef = true;
				break;
			case TAG_E2EVENTSERVICENAME:
				inServiceName = true;
				break;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xml.sax.helpers.DefaultHandler#endElement(java.lang.String,
	 * java.lang.String, java.lang.String)
	 */
	@Override
	public void endElement(String namespaceURI, String localName, String qName) {
		switch (localName) {
			case TAG_E2EVENT:
				inEvent = false;
				String prefix = "";
				if (!isFirst)
					prefix = Event.PREFIX_NEXT;
				Event.supplementReadables(prefix, mEvent);
				if (!isFirst)
					mList.add(mEvent);
				break;
			case TAG_E2EVENTID:
				inId = false;
				break;
			case TAG_E2EVENTSTART:
				inStart = false;
				break;
			case TAG_E2EVENTDURATION:
				inDuration = false;
				break;
			case TAG_E2EVENTCURRENTTIME:
				inCurrentTime = false;
				break;
			case TAG_E2EVENTTITLE:
				inTitle = false;
				break;
			case TAG_E2EVENTDESCRIPTION:
				inDescription = false;
				break;
			case TAG_E2EVENTDESCRIPTIONEXTENDED:
				String descEx = mEvent.getString(Event.KEY_EVENT_DESCRIPTION_EXTENDED);
				if (descEx != null)
					mEvent.put(Event.KEY_EVENT_DESCRIPTION_EXTENDED, descEx.replace("\u008a", "\n"));
				inDescriptionEx = false;
				break;
			case TAG_E2EVENTSERVICEREFERENCE:
				inServiceRef = false;
				break;
			case TAG_E2EVENTSERVICENAME:
				inServiceName = false;
				break;
		}
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.xml.sax.helpers.DefaultHandler#characters(char[], int, int)
	 */
	public void characters(char ch[], int start, int length) {
		String value = new String(ch, start, length);

		if (inEvent) {
			String prefix = "";
			if(isFirst)
				prefix = "";
			else
				prefix = Event.PREFIX_NEXT;
			
			if (inId) {
				mEvent.putOrConcat(prefix, Event.KEY_EVENT_ID, value.trim());
			} else if (inStart) {
				mEvent.putOrConcat(prefix, Event.KEY_EVENT_START, value.trim());
			} else if (inDuration) {
				mEvent.putOrConcat(prefix, Event.KEY_EVENT_DURATION, value.trim());
			} else if (inCurrentTime) {
				mEvent.putOrConcat(prefix, Event.KEY_CURRENT_TIME, value.trim());
			} else if (inTitle) {
				mEvent.putOrConcat(prefix, Event.KEY_EVENT_TITLE, value.trim());
			} else if (inDescription) {
				mEvent.putOrConcat(prefix, Event.KEY_EVENT_DESCRIPTION, value);
			} else if (inDescriptionEx) {
				mEvent.putOrConcat(prefix, Event.KEY_EVENT_DESCRIPTION_EXTENDED, value);
			} else if (inServiceRef) {
				if(isFirst)
					mEvent.putOrConcat(Event.KEY_SERVICE_REFERENCE, value.trim());
			} else if (inServiceName) {
				if(isFirst)
					mEvent.putOrConcat(Event.KEY_SERVICE_NAME, value.replaceAll("\\p{Cntrl}", "").trim());
			}
		}
	}

}