Fix JRuby examples (#2128)

Signed-off-by: Jimmy Tanagra <jcode@tanagra.id.au>

concepts/rules.md

@@ -273,7 +273,7 @@ Other times the helper library must be installed separately, searching in the co
 The following code snippets implement the examples from the top of this page using UI rules, [DSL rules](/docs/configuration/rules-dsl), [JRuby Scripting](/addons/automation/jrubyscripting/), and [JS Scripting](https://openhab.org/addons/automation/jsscripting).
 
 The code from the JS Scripting examples can be used in file-based scripts that are created inside the `/automation/js` folder and have `.js` as their file extension.
-The same applies for the JRuby examples, but they have to be placed inside `/automation/jsr223/ruby/personal` with `.rb` as the file extension.
+The same applies for the JRuby examples, but they have to be placed inside `/automation/ruby` with `.rb` as the file extension.
 The Rules DSL examples can be places in the `rules` folder and have `.rules` as their file extension.
 
 Each UI rule will have a "code" tab showing the full rule definition.
@@ -340,14 +340,12 @@ end
 ::: tab JRuby
 
 ```ruby
-require 'openhab'
+rule "Raise the blinds & adjust temperature on sunrise" do
-
+  channel "astro:sun:home:rise#event", triggered: "START"
-rule 'Raise the blinds & adjust temperature on sunrise' do
+  run do
-  channel 'astro:sun:home:rise#event'
+    gBlinds.up
-  run {
+    gThermostat.increase
-    gBlinds << up
+  end
-    gThermostat << increase
-  }
 end
 ```
 
@@ -433,14 +431,12 @@ end
 ::: tab JRuby
 
 ```ruby
-require 'openhab'
+rule "Turn off the lights & adjust temperature on leaving" do
-
+  received_command Presence, command: OFF
-rule 'Turn off the lights & adjust temperature on leaving' do
+  run do
-  received_command Presence, command: off
+    gLights.off
-  run {
+    gThermostat.decrease
-    gLights << off
+  end
-    gThermostat << decrease
-  }
 end
 ```
 
@@ -522,14 +518,10 @@ end
 ::: tab JRuby
 
 ```ruby
-require 'openhab'
+rule "Play music on arrival, but only on afternoon" do
-
+  received_command Presence, command: ON
-rule 'Play music on arrival, but only on afternoon' do
+  only_if { LocalTime.now.between? "1pm".."6pm" }
-  received_command Presence, command: on
+  run { Soundbar.on }
-  run {
-    Soundbar >> on
-  }
-  only_if { TimeOfDay.now.between? ‘1pm’..’6pm’ }
 end
 ```
 
@@ -629,17 +621,12 @@ end
 ::: tab JRuby
 
 ```ruby
-require 'openhab'
+rule "Window open reminder" do
-
+  changed gWindows.members, to: OPEN, for: 1.hour
-rule 'Window open reminder' do
+  run do |event|
-  changed: gWindows, to: open
+    # Item guaranteed to be OPEN here, no need to check
-  run {
+    notify("#{event.item.label} is open for an hour!")
-    after 1.hour do
+  end
-      if item.state.open?
-        notify("#{item.label} is open for an hour!")
-      end
-    end
-  }
 end
 ```
 
@@ -755,18 +742,15 @@ end
 ::: tab JRuby
 
 ```ruby
-require 'openhab'
+rule "Movie Scene" do
-
-rule 'Movie Scene' do
   received_command MovieScene, command: ON
-  run {
+  run do
-    LivingRoom_Blinds >> '90%'
+    LivingRoom_Blinds.command(90)
-    LivingRoom_MainLight >> off
+    LivingRoom_MainLight.off
-    LivingRoom_LEDStripe >> '50%'
+    LivingRoom_LEDStripe.command(50)
-    Soundbar >> on
+    Soundbar.on
-    TV >> on
+    TV.on
-    Soundbar >> ON
+  end
-  }
 end
 ```