Gamepad mapping configurable

src/com/limelight/input/GamepadMapping.java

@@ -1,5 +1,12 @@
 package com.limelight.input;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.util.Map;
+import java.util.Properties;
+
 /**
  * Mapping between gamepad and gamestream input
  * @author Iwan Timmer
@@ -32,4 +39,25 @@ public class GamepadMapping {
 	public short btn_dpad_left = EvdevConstants.BTN_DPAD_LEFT;
 	public short btn_dpad_right = EvdevConstants.BTN_DPAD_RIGHT;
 	
+	public GamepadMapping(File file) throws IOException {
+		Properties props = new Properties();
+		props.load(new FileInputStream(file));
+		
+		for (Map.Entry entry:props.entrySet()) {
+			try {
+				Field field = this.getClass().getField(entry.getKey().toString());
+				field.setShort(this, Short.parseShort(entry.getValue().toString()));
+			} catch (NoSuchFieldException e) {
+				System.err.println("No mapping found named " + entry.getKey());
+			} catch (NumberFormatException e) {
+				System.err.println("Not a number for " + entry.getKey());
+			} catch (SecurityException | IllegalArgumentException | IllegalAccessException e) {
+				System.err.println("Can't change mapping for " + entry.getKey());
+			}
+		}
+	}
+	
+	public GamepadMapping() {
+	}
+	
 }