Workaround for Switch synchronization with openHAB.

- change state representation of SwitchItem to ON/OFF
- resolves issue #20

eraser-base/src/main/jastadd/Item.jrag

@@ -15,6 +15,7 @@ aspect ItemHandling {
   eq ColorItem.getStateAsString() = getState().toString();
   eq DateTimeItem.getStateAsString() = getState().toString();
   eq ItemWithBooleanState.getStateAsString() = Boolean.toString(getState());
+  eq SwitchItem.getStateAsString() = getState() ? "ON" : "OFF";
   eq ItemWithDoubleState.getStateAsString() = Double.toString(getState());
   eq ItemWithStringState.getStateAsString() = getState();
 
@@ -67,6 +68,13 @@ aspect ItemHandling {
   public void ItemWithBooleanState.setStateFromString(String value) {
     this.setState(Boolean.parseBoolean(value));
   }
+  public void SwitchItem.setStateFromString(String value) {
+    switch (value) {
+      case "ON": this.setState(true); break;
+      case "OFF": this.setState(false); break;
+      default: super.setStateFromString(value);
+    }
+  }
   public void ItemWithDoubleState.setStateFromString(String value) {
     this.setState(Double.parseDouble(value));
   }

eraser-base/src/test/resources/openhabtest/oh1/output.eraser

 Color Item: id="Go1_item" label="Go 1" state="0,0,0" category="Lighting" ;
-Switch Item: id="Rule_Switch" state="false" ;
+Switch Item: id="Rule_Switch" state="OFF" ;
 Number Item: id="Color_Manual_Slider" state="0.0" ;
 Number Item: id="watch_acceleration_x" label="Watch Acceleration X" state="0.0" ;
 Number Item: id="watch_acceleration_y" label="Watch Acceleration Y" state="0.0" ;

eraser-base/src/test/resources/openhabtest/oh2/output.eraser

@@ -12,7 +12,7 @@ Color Item: id="iris1_item" label="Iris 1" state="253,0,0" category="Lighting" m
 Number Item: id="moto_360_brightness" label="Moto 360 Brightness" state="0.0" category="Brightness" ;
 Number Item: id="polar_brightness" label="Polar Brightness" state="0.0" category="Brightness" ;
 String Item: id="samsung_brightness" label="Samsung Brightness" state="" category="Brightness" ;
-Switch Item: id="Rule_Switch" state="false" ;
+Switch Item: id="Rule_Switch" state="OFF" ;
 Number Item: id="Color_Manual_Slider" state="0.0" ;
 Number Item: id="watch_acceleration_x" label="Watch Acceleration X" state="6.264883611883931E-10" ;
 Number Item: id="watch_acceleration_y" label="Watch Acceleration Y" state="1.5765462769316607E-19" ;

eraser-base/src/test/resources/tests/ppc3/input.eraser

@@ -17,5 +17,6 @@ Player Item : id="player1" label="a Player Item" state="jkl" topic="item/str/pla
 RollerShutter Item : id="rollerShutter1" label="a RollerShutter Item" state="false" topic="item/str/rs1/state";
 String Item : id="string1" label="a String Item" state="mno" topic="item/str/string1/state";
 Switch Item : id="switch1" label="a Switch Item" state="true" topic="item/bool/switch1/state";
+Switch Item : id="switch2" label="a second Switch Item" state="OFF" topic="item/bool/switch2/state";
 Item : id="default1" label="a Default Item" state="pqr" topic="item/str/default1/state";
 Influx: host="localhost" ;

eraser-base/src/test/resources/tests/ppc3/output.eraser

@@ -9,11 +9,12 @@ Player Item: id="player1" label="a Player Item" state="jkl" topic="item/str/play
 Number Item: id="number1" label="a Number Item" state="456.0" topic="item/double/number1/state" ;
 RollerShutter Item: id="rollerShutter1" label="a RollerShutter Item" state="false" topic="item/str/rs1/state" ;
 String Item: id="string1" label="a String Item" state="mno" topic="item/str/string1/state" ;
-Switch Item: id="switch1" label="a Switch Item" state="true" topic="item/bool/switch1/state" ;
+Switch Item: id="switch1" label="a Switch Item" state="ON" topic="item/bool/switch1/state" ;
+Switch Item: id="switch2" label="a second Switch Item" state="OFF" topic="item/bool/switch2/state" ;
 Group: id="my-first-group" items=["color1", "contact1", "image1", "location1"] aggregation="AND" ("ON", "OFF") ;
 Group: id="my-second-group" items=["datetime1", "default1"] ;
 Group: id="my-third-group" items=["dimmer1", "player1"] ;
 Group: id="my-empty-group" ;
-Group: id="Unknown" items=["number1", "rollerShutter1", "string1", "switch1"] ;
+Group: id="Unknown" items=["number1", "rollerShutter1", "string1", "switch1", "switch2"] ;
 Mqtt: incoming="ppc3/" outgoing="oh2/in/" host="localhost" ;
 Influx: host="localhost" ;

eraser-base/src/test/resources/tests/ppc4/output.eraser

@@ -10,7 +10,7 @@ Number Item: id="number1" label="a Number Item" state="456.0" topic="item/double
 RollerShutter Item: id="rollerShutter1" label="a RollerShutter Item" state="false" topic="item/str/rs1/state" ;
 Activity Item: id="activity" ;
 String Item: id="string1" label="a String Item" state="mno" topic="item/str/string1/state" ;
-Switch Item: id="switch1" label="a Switch Item" state="true" topic="item/bool/switch1/state" controls=["rollerShutter1"] ;
+Switch Item: id="switch1" label="a Switch Item" state="ON" topic="item/bool/switch1/state" controls=["rollerShutter1"] ;
 Group: id="my-first-group" items=["color1", "contact1", "image1", "location1"] aggregation="AND" ("ON", "OFF") ;
 Group: id="my-second-group" items=["datetime1", "default1"] ;
 Group: id="my-third-group" items=["dimmer1", "player1"] ;

eraser-base/src/test/resources/tests/ppc5/output.eraser

 Thing: id="min-thing" type="min-thing-type" ;
 Thing: id="max-thing" label="Max Thing" type="max-thing-type" channels=["min-channel", "max-channel"] ;
 Number Item: id="min-item" state="0.0" ;
-Switch Item: id="max-item" label="Item with all members set" state="true" category="not used" topic="items/max" controls=["min-item"] metaData={"one":"true", "zero":"false"} ;
+Switch Item: id="max-item" label="Item with all members set" state="ON" category="not used" topic="items/max" controls=["min-item"] metaData={"one":"true", "zero":"false"} ;
 Group: id="min-group" ;
 Group: id="max-group" groups=["min-group"] items=["min-item", "max-item"] aggregation="AND" ("one", "two") ;
 ThingType: id="min-thing-type" ;