Added providers

src/com/flaremicro/visualforecast/forecast/ValueCheck.java

@@ -0,0 +1,45 @@
+package com.flaremicro.visualforecast.forecast;
+
+public class ValueCheck {
+		//Utility for no data
+		public static final byte NO_DATA_BYTE = Byte.MIN_VALUE;
+		public static final short NO_DATA_SHORT = Short.MIN_VALUE;
+		public static final int NO_DATA_INT = Integer.MIN_VALUE;
+		public static final long NO_DATA_LONG = Long.MIN_VALUE;
+		public static final float NO_DATA_FLOAT = Float.NaN;
+		public static final double NO_DATA_DOUBLE = Double.NaN;
+		
+		public static final boolean valueNoData(byte f)
+		{
+			return f == NO_DATA_BYTE;
+		}
+		public static final boolean valueNoData(short f)
+		{
+			return f == NO_DATA_SHORT;
+		}
+		
+		public static final boolean valueNoData(int f)
+		{
+			return f == NO_DATA_INT;
+		}
+		
+		public static final boolean valueNoData(long f)
+		{
+			return f == NO_DATA_LONG;
+		}
+		
+		public static final boolean valueNoData(float f)
+		{
+			return Float.isInfinite(f) || Float.isNaN(f);
+		}
+		
+		public static final boolean valueNoData(double d)
+		{
+			return Double.isInfinite(d) || Double.isNaN(d);
+		}
+		
+		public static final boolean valueNoData(Object o)
+		{
+			return o == null;
+		}
+}