X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fweather%2FOWMForecastHandler.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fweather%2FOWMForecastHandler.java;h=93bcc12a0b92733662410a5d12ca933f92d474dd;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/weather/OWMForecastHandler.java b/src/tim/prune/function/weather/OWMForecastHandler.java
new file mode 100644
index 0000000..93bcc12
--- /dev/null
+++ b/src/tim/prune/function/weather/OWMForecastHandler.java
@@ -0,0 +1,102 @@
+package tim.prune.function.weather;
+
+import java.util.ArrayList;
+
+import org.xml.sax.Attributes;
+import org.xml.sax.SAXException;
+import org.xml.sax.helpers.DefaultHandler;
+
+
+/**
+ * XML handler for dealing with the XML of weather forecasts
+ * returned from openweathermap.org (current weather has different structure)
+ */
+public class OWMForecastHandler extends DefaultHandler
+{
+	private String _value = null;
+	/** The location name */
+	private String _locName = null;
+	/** The forecast update time */
+	private String _updateTime = null;
+	/** The currently open forecast */
+	private SingleForecast _forecast = null;
+	/** List of all the forecasts found so far */
+	private ArrayList<SingleForecast> _forecastList = new ArrayList<SingleForecast>();
+
+
+	/**
+	 * React to the start of an XML tag
+	 */
+	public void startElement(String inUri, String inLocalName, String inTagName,
+		Attributes inAttributes) throws SAXException
+	{
+		if (inTagName.equals("time")) { // start of a new forecast
+			_forecast = new SingleForecast();
+			// date, timefrom, timeto
+			_forecast.setTime(inAttributes.getValue("day"), inAttributes.getValue("from"), inAttributes.getValue("to"));
+		}
+		else if (inTagName.equals("symbol")) {
+			// numeric code, owm image name, description
+			_forecast.setSymbol(inAttributes.getValue("number"), inAttributes.getValue("var"), inAttributes.getValue("name"));
+		}
+		else if (inTagName.equals("windSpeed")) {
+			_forecast.setWindDesc(inAttributes.getValue("name"));
+		}
+		else if (inTagName.equals("temperature")) {
+			_forecast.setTemps(inAttributes.getValue("min"), inAttributes.getValue("max"));
+		}
+		else if (inTagName.equals("humidity")) {
+			_forecast.setHumidity(inAttributes.getValue("value") + inAttributes.getValue("unit"));
+		}
+		_value = null;
+		super.startElement(inUri, inLocalName, inTagName, inAttributes);
+	}
+
+	/**
+	 * React to the end of an XML tag
+	 */
+	public void endElement(String inUri, String inLocalName, String inTagName)
+	throws SAXException
+	{
+		if (inTagName.equals("name")) {
+			_locName = _value;
+		}
+		else if (inTagName.equals("lastupdate")) {
+			_updateTime = _value;
+		}
+		else if (inTagName.equals("time"))
+		{
+			// End of a time tag, add the current forecast to the list
+			_forecastList.add(_forecast);
+		}
+		super.endElement(inUri, inLocalName, inTagName);
+	}
+
+	/**
+	 * React to characters received inside tags
+	 */
+	public void characters(char[] inCh, int inStart, int inLength)
+	throws SAXException
+	{
+		String value = new String(inCh, inStart, inLength);
+		_value = (_value==null?value:_value+value);
+		super.characters(inCh, inStart, inLength);
+	}
+
+	/** @return location name of forecast */
+	public String getLocationName() {
+		return _locName;
+	}
+
+	/** @return update time of forecast */
+	public String getUpdateTime() {
+		return _updateTime;
+	}
+
+	/**
+	 * @return the list of forecasts
+	 */
+	public ArrayList<SingleForecast> getForecasts() {
+		return _forecastList;
+	}
+}