Added API call to find out if we're running on a supported platform

Author: Jez Humble

src/main/java/com/jezhumble/javasysmon/JavaSysMon.java

@@ -100,6 +100,16 @@ public static void main (String[] params) throws Exception {
  }
  }
 
+ /**
+ * Whether or not JavaSysMon is running on a supported platform.
+ *
+ * @return <code>true</code> if the platform is supported,
+ * <code>false</code> if it isn't.
+ */
+ public boolean supportedPlatform() {
+ return !(monitor instanceof NullMonitor);
+ }
+
  private static String secsInDaysAndHours(long seconds) {
  long days = seconds / (60 * 60 * 24);
  long hours = (seconds / (60 * 60)) - (days * 24);