Import from http://drts.cvs.sourceforge.net/viewvc/drts/projects/jxinput/ tarball

java/de/hardcode/jxinput/Feature.java

@@ -0,0 +1,38 @@
+//**********************************************************************************************
+//		(C) Copyright 2002 by Dipl. Phys. Joerg Plewe, HARDCODE Development
+//		All rights reserved. Copying, modification,
+//		distribution or publication without the prior written
+//		consent of the author is prohibited.
+//
+//	Created on 27. Dezember 2001, 00:19
+//**********************************************************************************************
+package de.hardcode.jxinput;
+
+/**
+ * An input device offers a set of features (otherwise it would be pretty useless).
+ * Features in this sense can be axes, buttons and a feature callede <e>directional</e> here.
+ * Coolie hats are typical directionals because they control a direction (to look at e.g.).
+ * <p>
+ * There are no concrete classes directly derived from <code>Feature</code> - it only 
+ * provides a basis for other interfaces.
+ *
+ * @see Axis
+ * @see Button
+ * @see Directional
+ * 
+ * @author Herkules
+ */
+public abstract interface Feature
+{
+	/** 
+     * Features may have a name provided e.g. by the driver. 
+     */
+	String getName();
+	
+	/**
+	 * Denote wether this feature has changed beyond it's resolution since it got last
+	 * updated.
+	 */
+	boolean hasChanged();
+}
+