Added providers

src/com/flaremicro/visualforecast/api/ForecastProvider.java

@@ -0,0 +1,59 @@
+package com.flaremicro.visualforecast.api;
+
+import com.flaremicro.visualforecast.PropertyManager;
+import com.flaremicro.visualforecast.RenderPanel;
+import com.flaremicro.visualforecast.forecast.ForecastDetails;
+
+public abstract class ForecastProvider {
+	ForecastProviderManager forecastProviderManager;
+	/**
+	 * Initialize the provider. This is called in a separate thread to any other function call.
+	 * The VisualForecast 1000 software will wait on the BootupDisplay until this function completes.
+	 */
+	public abstract void init();
+	
+	/**
+	 * Get the current forecast.
+	 * This should delay as little as possible, as this is called in the main action thread.
+	 * 
+	 * @return ForecastDetails
+	 */
+	public abstract ForecastDetails getForecast();
+
+	/**
+	 * Should generally be true unless forecast information is collected somewhere other than init.
+	 * In the case that forecast information is still unavailable by the time this is called,
+	 * this should return false and upon completion and state change, should notify listeners by calling
+	 * notifyForecastProviderUpdate()
+	 * @return
+	 */
+	public abstract boolean isForecastReady();
+
+	public abstract void deinit();
+	
+	public final void notifyForecastProviderUpdate()
+	{
+		getRenderPanel().notifyForecastProviderUpdate();
+	}
+	
+	public final ForecastProviderManager getManager()
+	{
+		return forecastProviderManager;
+	}
+	
+	public final RenderPanel getRenderPanel()
+	{
+		return forecastProviderManager.getRenderPanel();
+	}
+
+	/**
+	 * Gets a property manager specific to the forecast provider.
+	 * The property manager is already loaded.
+	 * @return
+	 */
+	public PropertyManager getOwnPropertyManager() {
+		PropertyManager propertyManager = new PropertyManager(forecastProviderManager.getProviderName(this));
+		propertyManager.load();
+		return propertyManager;
+	}
+}