diff --git a/java/base/src/main/java/base/worker/Worker.java b/java/base/src/main/java/base/worker/Worker.java
index 098a129..af85571 100644
--- a/java/base/src/main/java/base/worker/Worker.java
+++ b/java/base/src/main/java/base/worker/Worker.java
@@ -86,7 +86,7 @@ public abstract class Worker {
         }
     }
 
-    protected void sleep() {
+    public void sleep() {
         sleep(SLEEP);
     }
 
diff --git a/java/mimis/src/main/java/mimis/Component.java b/java/mimis/src/main/java/mimis/Component.java
index 0dcc223..e66fcc1 100644
--- a/java/mimis/src/main/java/mimis/Component.java
+++ b/java/mimis/src/main/java/mimis/Component.java
@@ -16,7 +16,6 @@
  */
 package mimis;
 
-import base.worker.Listener;
 import mimis.input.Button;
 import mimis.input.Feedback;
 import mimis.input.Input;
@@ -28,8 +27,10 @@ import mimis.parser.ParserInput;
 import mimis.router.Router;
 import mimis.state.TaskMap;
 import mimis.value.Action;
+import base.work.Listen;
+import base.worker.Worker.Type;
 
-public abstract class Component extends Listener<Input> {
+public abstract class Component extends Listen<Input> {
     protected static final String TITLE = "Component";
 
     protected String title;
@@ -39,11 +40,15 @@ public abstract class Component extends Listener<Input> {
         this(TITLE);
     }
 
+    public Component(Type type) {
+		super(type);
+	}
+
     public Component(String title) {
         this.title = title;
     }
 
-    public void setRouter(Router router) {
+	public void setRouter(Router router) {
         this.router = router;        
     }
 
diff --git a/java/mimis/src/main/java/mimis/Gui.java b/java/mimis/src/main/java/mimis/Gui.java
index 0c10dc5..9efc169 100644
--- a/java/mimis/src/main/java/mimis/Gui.java
+++ b/java/mimis/src/main/java/mimis/Gui.java
@@ -53,7 +53,7 @@ public class Gui extends Component {
         createFrame(buttonManagerArray);
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         listen(Feedback.class);
         super.activate();
     }
diff --git a/java/mimis/src/main/java/mimis/Main.java b/java/mimis/src/main/java/mimis/Main.java
index 9fca846..89e5096 100644
--- a/java/mimis/src/main/java/mimis/Main.java
+++ b/java/mimis/src/main/java/mimis/Main.java
@@ -82,7 +82,7 @@ public class Main extends Mimis {
         end(Action.CURRENT);
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
 
         logger.debug("Stop managers");
@@ -112,6 +112,6 @@ public class Main extends Mimis {
     }
 
     public static void main(String[] args) {
-        new Main().start(false);
+        new Main().start();
     }
 }
diff --git a/java/mimis/src/main/java/mimis/Mimis.java b/java/mimis/src/main/java/mimis/Mimis.java
index fbd9b0f..8d430a0 100644
--- a/java/mimis/src/main/java/mimis/Mimis.java
+++ b/java/mimis/src/main/java/mimis/Mimis.java
@@ -16,16 +16,17 @@
  */
 package mimis;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
 import mimis.input.Feedback;
 import mimis.input.Task;
 import mimis.manager.Manager;
 import mimis.parser.Parser;
 import mimis.router.Router;
-import mimis.util.ArrayCycle;
 import mimis.value.Action;
 import mimis.value.Target;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.util.ArrayCycle;
+import base.worker.Worker;
 
 public abstract class Mimis extends Component {
     protected Component[] currentArray;
@@ -34,6 +35,7 @@ public abstract class Mimis extends Component {
     protected ArrayCycle<Component> componentCycle;
 
     public Mimis(Component... currentArray) {
+    	super(Worker.Type.FOREGROUND);
         this.currentArray = initialize(false, currentArray);        
         componentCycle = new ArrayCycle<Component>(currentArray);        
         router = new Router();
@@ -45,7 +47,7 @@ public abstract class Mimis extends Component {
         super.activate();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         manager.stop();
     }
diff --git a/java/mimis/src/main/java/mimis/application/cmd/CMDApplication.java b/java/mimis/src/main/java/mimis/application/cmd/CMDApplication.java
index ddb76ed..ba7742e 100644
--- a/java/mimis/src/main/java/mimis/application/cmd/CMDApplication.java
+++ b/java/mimis/src/main/java/mimis/application/cmd/CMDApplication.java
@@ -42,7 +42,7 @@ public abstract class CMDApplication extends Component implements Application {
         detect = true;
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         detect = true;
         if (!running) {
             String path = getPath();
@@ -64,15 +64,14 @@ public abstract class CMDApplication extends Component implements Application {
     public boolean active() {
         if (detect) {
             running = Native.isRunning(program);
-            if (!active && running) {
-                active = true;
+            if (!running) {
                 start();
             }
         }
-        return active;
+        return super.active();
     }
 
-    protected synchronized void deactivate() throws DeactivateException {
+    public synchronized void deactivate() throws DeactivateException {
         detect = false;
         super.deactivate();
         if (process != null) {
diff --git a/java/mimis/src/main/java/mimis/application/cmd/windows/WindowsApplication.java b/java/mimis/src/main/java/mimis/application/cmd/windows/WindowsApplication.java
index 0d518fe..b4d5647 100644
--- a/java/mimis/src/main/java/mimis/application/cmd/windows/WindowsApplication.java
+++ b/java/mimis/src/main/java/mimis/application/cmd/windows/WindowsApplication.java
@@ -42,7 +42,7 @@ public abstract class WindowsApplication extends CMDApplication {
         handle = 0;
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         if (program != null) {
             super.activate();
         }
@@ -51,14 +51,13 @@ public abstract class WindowsApplication extends CMDApplication {
             sleep(START_SLEEP);
             handle = Native.getHandle(window);
         }
-        active = handle > 0;
-        if (!active) {
+        if (handle < 0) {
             throw new ActivateException();
         }
     }
 
     public boolean active() {
-        if (!active || program == null) {
+        if (!super.active() || program == null) {
             handle = Native.getHandle(window);
             if (handle > 0 && program == null) {
                 start();
@@ -67,13 +66,11 @@ public abstract class WindowsApplication extends CMDApplication {
         return program == null ? handle > 0 : super.active();
     }
 
-    protected void deactivate() throws DeactivateException {
-        if (process == null) {
-            active = false;
-        } else {
-            super.deactivate();
+    public void deactivate() throws DeactivateException {
+        if (process != null) {
+            close();
         }
-        close();
+        super.deactivate();
     }
 
     protected void close() {
diff --git a/java/mimis/src/main/java/mimis/application/cmd/windows/gomplayer/GomPlayerApplication.java b/java/mimis/src/main/java/mimis/application/cmd/windows/gomplayer/GomPlayerApplication.java
index b5bb2be..53d43d2 100644
--- a/java/mimis/src/main/java/mimis/application/cmd/windows/gomplayer/GomPlayerApplication.java
+++ b/java/mimis/src/main/java/mimis/application/cmd/windows/gomplayer/GomPlayerApplication.java
@@ -16,12 +16,12 @@
  */
 package mimis.application.cmd.windows.gomplayer;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.application.cmd.windows.WindowsApplication;
 import mimis.value.Action;
 import mimis.value.Amount;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class GomPlayerApplication extends WindowsApplication {
     protected final static String PROGRAM = "GOM.exe";
@@ -31,48 +31,50 @@ public class GomPlayerApplication extends WindowsApplication {
     protected static final int VOLUME_SLEEP = 100;
     protected static final int SEEK_SLEEP = 100;
 
-    protected VolumeWorker volumeWorker;
-    protected SeekWorker seekWorker;
+    protected VolumeWork volumeWork;
+    protected SeekWork seekWork;
 
     public GomPlayerApplication() {
         super(PROGRAM, TITLE, WINDOW);
-        volumeWorker = new VolumeWorker();
-        seekWorker = new SeekWorker();
+        volumeWork = new VolumeWork();
+        seekWork = new SeekWork();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
-        volumeWorker.stop();
-        seekWorker.stop();
+        volumeWork.stop();
+        seekWork.stop();
     }
 
     public void exit() {
         super.exit();
-        volumeWorker.exit();
-        seekWorker.exit();
+        volumeWork.exit();
+        seekWork.exit();
     }
 
     public void begin(Action action) {
         logger.trace("GomPlayerApplication begin: " + action);
         switch (action) {
             case VOLUME_UP:
-                volumeWorker.start();    
+                volumeWork.start();    
                 break;
             case VOLUME_DOWN:
-                volumeWorker.start();
+                volumeWork.start();
                 break;
             case FORWARD:
-                seekWorker.start(Amount.SMALL, 1);
+                seekWork.start(Amount.SMALL, 1);
                 break;
             case REWIND:
-                seekWorker.start(Amount.SMALL, -1);
+                seekWork.start(Amount.SMALL, -1);
                 break;
             case NEXT:
-                seekWorker.start(Amount.MEDIUM, 1);
+                seekWork.start(Amount.MEDIUM, 1);
                 break;
             case PREVIOUS:
-                seekWorker.start(Amount.MEDIUM, -1);
-                break;  
+                seekWork.start(Amount.MEDIUM, -1);
+                break;
+			default:
+				break;
         }
     }
 
@@ -89,19 +91,21 @@ public class GomPlayerApplication extends WindowsApplication {
             case REWIND:
             case NEXT:
             case PREVIOUS:
-                seekWorker.stop();
+                seekWork.stop();
                 break;
             case VOLUME_UP:
             case VOLUME_DOWN:
-                volumeWorker.stop();
+                volumeWork.stop();
                 break;
             case FULLSCREEN:
                 command(0x8154);
                 break;
+			default:
+				break;
         }
     }
 
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected int volumeChangeSign;
 
         public void start(int volumeChangeSign) throws ActivateException {
@@ -115,7 +119,7 @@ public class GomPlayerApplication extends WindowsApplication {
         }
     };
 
-    protected class SeekWorker extends ThreadWorker {
+    protected class SeekWork extends Work {
         protected Amount amount;
         protected int seekDirection;
 
diff --git a/java/mimis/src/main/java/mimis/application/cmd/windows/photoviewer/PhotoViewerApplication.java b/java/mimis/src/main/java/mimis/application/cmd/windows/photoviewer/PhotoViewerApplication.java
index ff490b9..99581d7 100644
--- a/java/mimis/src/main/java/mimis/application/cmd/windows/photoviewer/PhotoViewerApplication.java
+++ b/java/mimis/src/main/java/mimis/application/cmd/windows/photoviewer/PhotoViewerApplication.java
@@ -16,12 +16,12 @@
  */
 package mimis.application.cmd.windows.photoviewer;
 
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.application.cmd.windows.WindowsApplication;
 import mimis.value.Action;
 import mimis.value.Key;
 import mimis.value.Type;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class PhotoViewerApplication extends WindowsApplication {
     protected final static String TITLE = "Photo Viewer";
@@ -30,33 +30,35 @@ public class PhotoViewerApplication extends WindowsApplication {
     protected static final int ZOOM_SLEEP = 100;
     protected static final int DELETE_SLEEP = 2000;
 
-    protected ZoomWorker zoomWorker;
+    protected ZoomWork zoomWork;
     protected boolean fullscreen;
 
     public PhotoViewerApplication() {
         super(TITLE, WINDOW);
-        zoomWorker = new ZoomWorker();
+        zoomWork = new ZoomWork();
         fullscreen = false;
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
-        zoomWorker.stop();
+        zoomWork.stop();
     }
 
     public void exit() {
         super.exit();
-        zoomWorker.exit();
+        zoomWork.exit();
     }
 
     public void begin(Action action) {
         switch (action) {
             case VOLUME_UP:
-                zoomWorker.start(1);    
+                zoomWork.start(1);    
                 break;
             case VOLUME_DOWN:
-                zoomWorker.start(-1);
+                zoomWork.start(-1);
                 break;
+			default:
+				break;
         }
     }
 
@@ -65,7 +67,7 @@ public class PhotoViewerApplication extends WindowsApplication {
         switch (action) {
             case VOLUME_UP:
             case VOLUME_DOWN:
-                zoomWorker.stop();
+                zoomWork.stop();
                 break;
             case NEXT:
                 key(Type.DOWN, Key.RIGHT);
@@ -106,10 +108,12 @@ public class PhotoViewerApplication extends WindowsApplication {
                     end(Action.FULLSCREEN);
                 }*/
                 break;
+			default:
+				break;
         }
     }
 
-    protected class ZoomWorker extends ThreadWorker {
+    protected class ZoomWork extends Work {
         protected int zoomDirection;
 
         public void start(int zoomDirection) {
diff --git a/java/mimis/src/main/java/mimis/application/cmd/windows/winamp/WinampApplication.java b/java/mimis/src/main/java/mimis/application/cmd/windows/winamp/WinampApplication.java
index d6dd352..fcd266c 100644
--- a/java/mimis/src/main/java/mimis/application/cmd/windows/winamp/WinampApplication.java
+++ b/java/mimis/src/main/java/mimis/application/cmd/windows/winamp/WinampApplication.java
@@ -16,11 +16,11 @@
  */
 package mimis.application.cmd.windows.winamp;
 
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.application.cmd.windows.WindowsApplication;
 import mimis.value.Action;
 import mimis.value.Command;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class WinampApplication extends WindowsApplication {
     protected final static String PROGRAM = "winamp.exe";
@@ -52,8 +52,8 @@ public class WinampApplication extends WindowsApplication {
     protected static final int VOLUME_SLEEP = 50;
     protected static final int SEEK_SLEEP = 100;
 
-    protected VolumeWorker volumeWorker;
-    protected SeekWorker seekWorker;
+    protected VolumeWork volumeWork;
+    protected SeekWork seekWork;
     protected double volume;
     protected boolean muted;
 
@@ -61,37 +61,39 @@ public class WinampApplication extends WindowsApplication {
         super(PROGRAM, TITLE, WINDOW);
         volume = getVolume();
         muted = volume == 0;
-        volumeWorker = new VolumeWorker();
-        seekWorker = new SeekWorker();
+        volumeWork = new VolumeWork();
+        seekWork = new SeekWork();
     }
 
     public void deactivate() throws DeactivateException {
         super.deactivate();
-        volumeWorker.stop();
-        seekWorker.stop();
+        volumeWork.stop();
+        seekWork.stop();
     }
 
     public void exit() {
         super.exit();
-        volumeWorker.exit();
-        seekWorker.exit();
+        volumeWork.exit();
+        seekWork.exit();
     }
 
     public void begin(Action action) {
         logger.trace("WinampApplication begin: " + action);
         switch (action) {
             case VOLUME_UP:
-                volumeWorker.start(1);
+                volumeWork.start(1);
                 break;
             case VOLUME_DOWN:
-                volumeWorker.start(-1);
+                volumeWork.start(-1);
                 break;
             case FORWARD:
-                seekWorker.start(1);
+                seekWork.start(1);
                 break;
             case REWIND:
-                seekWorker.start(-1);
+                seekWork.start(-1);
                 break;
+			default:
+				break;
         }
     }
 
@@ -117,7 +119,7 @@ public class WinampApplication extends WindowsApplication {
                 break;
             case FORWARD:
             case REWIND:
-                seekWorker.stop();
+                seekWork.stop();
                 break;
             case MUTE:
                 if (muted) {
@@ -130,7 +132,7 @@ public class WinampApplication extends WindowsApplication {
                 break;
             case VOLUME_UP:
             case VOLUME_DOWN:
-                volumeWorker.stop();
+                volumeWork.stop();
                 break;
             case SHUFFLE:
                 command(WINAMP_FILE_SHUFFLE);
@@ -148,6 +150,8 @@ public class WinampApplication extends WindowsApplication {
                 system(Command.System.MAXIMIZE);
                 command(WINAMP_VISPLUGIN);
                 break;
+			default:
+				break;
         }
     }
 
@@ -167,7 +171,7 @@ public class WinampApplication extends WindowsApplication {
         return user(0, IPC_GETOUTPUTTIME) / 1000;
     }
 
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected int volumeChangeSign;
 
         public void start(int volumeChangeSign) {
@@ -181,7 +185,7 @@ public class WinampApplication extends WindowsApplication {
         }
     };
 
-    protected class SeekWorker extends ThreadWorker {
+    protected class SeekWork extends Work {
         protected int seekDirection;
 
         public void start(int seekDirection) {
diff --git a/java/mimis/src/main/java/mimis/application/cmd/windows/wmp/WMPApplication.java b/java/mimis/src/main/java/mimis/application/cmd/windows/wmp/WMPApplication.java
index 8eecae0..821bfd9 100644
--- a/java/mimis/src/main/java/mimis/application/cmd/windows/wmp/WMPApplication.java
+++ b/java/mimis/src/main/java/mimis/application/cmd/windows/wmp/WMPApplication.java
@@ -16,9 +16,9 @@
  */
 package mimis.application.cmd.windows.wmp;
 
-import base.worker.ThreadWorker;
 import mimis.application.cmd.windows.WindowsApplication;
 import mimis.value.Action;
+import base.work.Work;
 
 public class WMPApplication extends WindowsApplication {
     protected final static String PROGRAM = "wmplayer.exe";
@@ -27,11 +27,11 @@ public class WMPApplication extends WindowsApplication {
 
     protected static final int VOLUME_SLEEP = 120;
 
-    protected VolumeWorker volumeWorker;
+    protected VolumeWork volumeWork;
     
     public WMPApplication() {
         super(PROGRAM, TITLE, WINDOW);
-        volumeWorker = new VolumeWorker();
+        volumeWork = new VolumeWork();
     }
 
     public void begin(Action action) {
@@ -56,17 +56,19 @@ public class WMPApplication extends WindowsApplication {
                 command(18817);
                 break;
             case VOLUME_UP:
-                volumeWorker.start(1);
+                volumeWork.start(1);
                 break;
             case VOLUME_DOWN:
-                volumeWorker.start(-1);
+                volumeWork.start(-1);
                 break;
             case SHUFFLE:
                 command(18842);
                 break;
             case REPEAT:
                 command(18843);
-                break;
+	                break;
+			default:
+				break;
         }
     }
 
@@ -81,12 +83,14 @@ public class WMPApplication extends WindowsApplication {
                 break;
             case VOLUME_UP:
             case VOLUME_DOWN:
-                volumeWorker.stop();
+                volumeWork.stop();
                 break;
+			default:
+				break;
         }
     }
 
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected int volumeChangeSign;
 
         public void start(int volumeChangeSign) {
diff --git a/java/mimis/src/main/java/mimis/application/itunes/iTunesApplication.java b/java/mimis/src/main/java/mimis/application/itunes/iTunesApplication.java
index 696eb0b..83b9226 100644
--- a/java/mimis/src/main/java/mimis/application/itunes/iTunesApplication.java
+++ b/java/mimis/src/main/java/mimis/application/itunes/iTunesApplication.java
@@ -21,7 +21,7 @@ import mimis.application.Application;
 import mimis.value.Action;
 import base.exception.worker.ActivateException;
 import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
+import base.work.Work;
 
 import com.dt.iTunesController.ITCOMDisabledReason;
 import com.dt.iTunesController.ITTrack;
@@ -38,7 +38,7 @@ public class iTunesApplication extends Component implements Application, iTunesE
     protected static final String PLAYLIST_DISLIKE = "Dislike";
 
     protected iTunes iTunes;
-    protected VolumeWorker volumeWorker;
+    protected VolumeWork volumeWork;
     protected boolean events;
 
     public iTunesApplication() {
@@ -48,10 +48,10 @@ public class iTunesApplication extends Component implements Application, iTunesE
     public iTunesApplication(boolean events) {
         super(TITLE);
         this.events = events;
-        volumeWorker = new VolumeWorker();
+        volumeWork = new VolumeWork();
     }
 
-    protected synchronized void activate() throws ActivateException {
+    public synchronized void activate() throws ActivateException {
         iTunes = new iTunes();
         iTunes.connect();
         if (events) {
@@ -63,19 +63,18 @@ public class iTunesApplication extends Component implements Application, iTunesE
     public synchronized boolean active() {
         try {
             iTunes.getMute();
-            active = true;
         } catch (Exception e) {
-            active = false;
+            stop();
         }
-        return active;
+        return super.active();
     }
 
-    protected synchronized void deactivate() throws DeactivateException  {
+    public synchronized void deactivate() throws DeactivateException  {
         if (events) {
             exit();
         } else {
             super.deactivate();
-            volumeWorker.stop();
+            volumeWork.stop();
             try {
                 iTunes.release();
             } catch (Exception e) {
@@ -89,13 +88,13 @@ public class iTunesApplication extends Component implements Application, iTunesE
         try {
             iTunes.quit();
         } catch (Exception e) {}
-        volumeWorker.exit();
+        volumeWork.exit();
         super.exit();
     }
 
     protected void begin(Action action) {
         logger.trace("iTunesApplication begin: " + action);
-        if (!active) return;
+        if (!active()) return;
         switch (action) {
             case FORWARD:
                 iTunes.fastForward();
@@ -104,17 +103,19 @@ public class iTunesApplication extends Component implements Application, iTunesE
                 iTunes.rewind();
                 break;
             case VOLUME_UP:
-                volumeWorker.start(VOLUME_CHANGE_RATE);
+                volumeWork.start(VOLUME_CHANGE_RATE);
                 break;
             case VOLUME_DOWN:
-                volumeWorker.start(-VOLUME_CHANGE_RATE);
+                volumeWork.start(-VOLUME_CHANGE_RATE);
                 break;
+			default:
+				break;
         }
     }
 
     protected void end(Action action) {
         logger.trace("iTunesApplication end: " + action);
-        if (!active) return;
+        if (!active()) return;
         switch (action) {
             case PLAY:
                 iTunes.playPause();
@@ -136,7 +137,7 @@ public class iTunesApplication extends Component implements Application, iTunesE
                 break;
             case VOLUME_UP:
             case VOLUME_DOWN:
-                volumeWorker.stop();
+                volumeWork.stop();
                 break;
             case SHUFFLE:
                 iTunes.toggleShuffle();
@@ -150,6 +151,8 @@ public class iTunesApplication extends Component implements Application, iTunesE
             case DISLIKE:
                 iTunes.playlistAddCurrentTrack(PLAYLIST_DISLIKE);
                 break;
+			default:
+				break;
         }
     }
 
@@ -159,13 +162,13 @@ public class iTunesApplication extends Component implements Application, iTunesE
 
     public void onDatabaseChangedEvent(int[][] deletedObjectIDs, int[][] changedObjectIDs) {}
     public void onPlayerPlayEvent(ITTrack iTrack) {
-        if (active) {
+        if (active()) {
             logger.trace("iTunesEvent: play");
         }
     }
 
     public void onPlayerStopEvent(ITTrack iTrack) {
-        if (active) {
+        if (active()) {
             logger.trace("iTunesEvent: stop");
         }
     }
@@ -177,7 +180,7 @@ public class iTunesApplication extends Component implements Application, iTunesE
     public void onAboutToPromptUserToQuitEvent() {}
     public void onSoundVolumeChangedEvent(int newVolume) {}    
 
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected int volumeChangeRate;
 
         public void start(int volumeChangeRate) {
diff --git a/java/mimis/src/main/java/mimis/application/lirc/LircApplication.java b/java/mimis/src/main/java/mimis/application/lirc/LircApplication.java
index dde99e9..2ba1f7f 100644
--- a/java/mimis/src/main/java/mimis/application/lirc/LircApplication.java
+++ b/java/mimis/src/main/java/mimis/application/lirc/LircApplication.java
@@ -39,10 +39,10 @@ public class LircApplication extends Component implements Application {
     }
 
     public boolean active() {
-        return active = lircService.active();
+        return lircService.active();
     }
 
-    protected void deactivate() throws DeactivateException  {
+    public void deactivate() throws DeactivateException  {
         super.deactivate();
         lircService.stop();
     }
diff --git a/java/mimis/src/main/java/mimis/application/lirc/ipod/iPodApplication.java b/java/mimis/src/main/java/mimis/application/lirc/ipod/iPodApplication.java
index 2ee8305..bb69c4f 100644
--- a/java/mimis/src/main/java/mimis/application/lirc/ipod/iPodApplication.java
+++ b/java/mimis/src/main/java/mimis/application/lirc/ipod/iPodApplication.java
@@ -16,58 +16,60 @@
  */
 package mimis.application.lirc.ipod;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.application.lirc.LircApplication;
 import mimis.device.lirc.remote.WC02IPOButton;
 import mimis.value.Action;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class iPodApplication extends LircApplication {
     protected static final String TITLE = "iPod";
     protected static final int VOLUME_SLEEP = 100;
 
-    protected VolumeWorker volumeWorker;
+    protected VolumeWork volumeWork;
 
     public iPodApplication() {
         super(TITLE);
-        volumeWorker = new VolumeWorker();
+        volumeWork = new VolumeWork();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
-        volumeWorker.stop();
+        volumeWork.stop();
     }
 
     public void exit() {
         super.exit();
-        volumeWorker.exit();
+        volumeWork.exit();
     }
 
     protected void begin(Action action) {
         logger.trace("iPodApplication begin: " + action);
-        if (!active) return;
+        if (!active()) return;
         switch (action) {
             case VOLUME_UP:
                 try {
-                    volumeWorker.activate(1);
+                    volumeWork.activate(1);
                 } catch (ActivateException e) {
                     logger.error("", e);
                 }
                 break;
             case VOLUME_DOWN:
                 try {
-                    volumeWorker.activate(-1);
+                    volumeWork.activate(-1);
                 } catch (ActivateException e) {
                     logger.error("", e);
                 }
                 break;
+			default:
+				break;
         }
     }
 
     protected void end(Action action) {
         logger.trace("iPodApplication end: " + action);
-        if (!active) return;
+        if (!active()) return;
         switch (action) {
             case PLAY:
                 send(WC02IPOButton.PLAY);
@@ -80,12 +82,14 @@ public class iPodApplication extends LircApplication {
                 break;
             case VOLUME_UP:
             case VOLUME_DOWN:
-                volumeWorker.stop();
+                volumeWork.stop();
                 break;
+			default:
+				break;
         }
     }
 
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected int volumeChangeRate;
 
         public void activate(int volumeChangeRate) throws ActivateException {
diff --git a/java/mimis/src/main/java/mimis/application/mpc/MPCApplication.java b/java/mimis/src/main/java/mimis/application/mpc/MPCApplication.java
index c59de26..22a2980 100644
--- a/java/mimis/src/main/java/mimis/application/mpc/MPCApplication.java
+++ b/java/mimis/src/main/java/mimis/application/mpc/MPCApplication.java
@@ -16,9 +16,9 @@
  */
 package mimis.application.mpc;
 
-import base.worker.ThreadWorker;
 import mimis.application.cmd.windows.WindowsApplication;
 import mimis.value.Action;
+import base.work.Work;
 
 public class MPCApplication extends WindowsApplication {
     protected final static String PROGRAM = "mpc-hc.exe";
@@ -28,30 +28,32 @@ public class MPCApplication extends WindowsApplication {
     protected static final int VOLUME_SLEEP = 50;
     protected static final int SEEK_SLEEP = 50;
 
-    protected VolumeWorker volumeWorker;
-    protected SeekWorker seekWorker;
-    
+    protected VolumeWork volumeWork;
+    protected SeekWork seekWork;
+
     public MPCApplication() {
         super(PROGRAM, TITLE, WINDOW);
-        volumeWorker = new VolumeWorker();
-        seekWorker = new SeekWorker();
+        volumeWork = new VolumeWork();
+        seekWork = new SeekWork();
     }
 
     public void begin(Action action) {
         logger.trace("MPCApplication: " + action);
         switch (action) {
            case FORWARD:
-                seekWorker.start(1);
+                seekWork.start(1);
                 break;
             case REWIND:
-                seekWorker.start(-1);
+                seekWork.start(-1);
                 break;
             case VOLUME_UP:
-                volumeWorker.start(1);
+                volumeWork.start(1);
                 break;
             case VOLUME_DOWN:
-                volumeWorker.start(-1);
+                volumeWork.start(-1);
                 break;
+			default:
+				break;
         }
     }
     
@@ -69,18 +71,20 @@ public class MPCApplication extends WindowsApplication {
                 break;
             case FORWARD:
             case REWIND:
-                seekWorker.stop();
+                seekWork.stop();
                 break;
             case MUTE:
                 command(909);
                 break;
             case VOLUME_UP:
             case VOLUME_DOWN:
-                volumeWorker.stop();
+                volumeWork.stop();
                 break;
             case FULLSCREEN:
                 command(830);
                 break;
+			default:
+				break;
         }
     }
 
@@ -88,7 +92,7 @@ public class MPCApplication extends WindowsApplication {
         return TITLE;
     }
 
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected int volumeChangeSign;
 
         public void start(int volumeChangeSign)  {
@@ -100,9 +104,9 @@ public class MPCApplication extends WindowsApplication {
             command(volumeChangeSign > 0 ? 907 : 908);
             sleep(VOLUME_SLEEP);
         }
-    };
+    }
 
-    protected class SeekWorker extends ThreadWorker {
+    protected class SeekWork extends Work {
         protected int seekDirection;
 
         public void start(int seekDirection) {
diff --git a/java/mimis/src/main/java/mimis/application/vlc/VLCApplication.java b/java/mimis/src/main/java/mimis/application/vlc/VLCApplication.java
index 15976ea..1f2edfd 100644
--- a/java/mimis/src/main/java/mimis/application/vlc/VLCApplication.java
+++ b/java/mimis/src/main/java/mimis/application/vlc/VLCApplication.java
@@ -23,14 +23,14 @@ import java.net.URL;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.application.cmd.CMDApplication;
 import mimis.util.Native;
 import mimis.value.Action;
 import mimis.value.Amount;
 import mimis.value.Registry;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class VLCApplication extends CMDApplication {
     protected final static Registry REGISTRY = Registry.CLASSES_ROOT;
@@ -47,16 +47,16 @@ public class VLCApplication extends CMDApplication {
     protected static final int VOLUME_SLEEP = 100;
     protected static final int SEEK_SLEEP = 100;
     
-    protected VolumeWorker volumeWorker;
-    protected SeekWorker seekWorker;
+    protected VolumeWork volumeWorker;
+    protected SeekWork seekWorker;
     
     protected int volume = 255;
     protected boolean muted = false;
 
     public VLCApplication() {
         super(PROGRAM, TITLE);
-        volumeWorker = new VolumeWorker();
-        seekWorker = new SeekWorker();
+        volumeWorker = new VolumeWork();
+        seekWorker = new SeekWork();
     }
 
     public String getPath() {
@@ -79,7 +79,7 @@ public class VLCApplication extends CMDApplication {
         }
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         volumeWorker.stop();
         seekWorker.stop();
@@ -108,6 +108,8 @@ public class VLCApplication extends CMDApplication {
                 case REWIND:
                     seekWorker.start(Amount.SMALL, "-");
                     break;
+				default:
+					break;
             }
         } catch (ActivateException e) {
             logger.error("", e);
@@ -146,6 +148,8 @@ public class VLCApplication extends CMDApplication {
             case REPEAT:
                 command("command=pl_repeat");
                 break;
+			default:
+				break;
         }
     }
     
@@ -171,7 +175,7 @@ public class VLCApplication extends CMDApplication {
         return TITLE;
     }
     
-    protected class VolumeWorker extends ThreadWorker {
+    protected class VolumeWork extends Work {
         protected String volumeChangeSign;
 
         public void activate(String volumeChangeSign) throws ActivateException {
@@ -186,7 +190,7 @@ public class VLCApplication extends CMDApplication {
         }
     };
 
-    protected class SeekWorker extends ThreadWorker {
+    protected class SeekWork extends Work {
         protected Amount amount;
         protected String seekDirection;
 
diff --git a/java/mimis/src/main/java/mimis/device/javainput/JavaInputDevice.java b/java/mimis/src/main/java/mimis/device/javainput/JavaInputDevice.java
index 5c78c76..994c6b2 100644
--- a/java/mimis/src/main/java/mimis/device/javainput/JavaInputDevice.java
+++ b/java/mimis/src/main/java/mimis/device/javainput/JavaInputDevice.java
@@ -44,20 +44,19 @@ public abstract class JavaInputDevice extends Component implements Device {
     protected JavaInputListener javaInputListener;
     protected Button previousDirectionalButton;
 
-    protected void activate() throws ActivateException {
-        super.activate();
+    public void activate() throws ActivateException {
         try {
             JXInputDevice jxinputDevice = getDevice(name);
             logger.debug(jxinputDevice.getName());
             javaInputListener = new JavaInputListener(this, jxinputDevice);
         } catch (DeviceNotFoundException e) {
-            active = false;
             throw new ActivateException();
         }
         javaInputListener.start();
+        super.activate();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         javaInputListener.stop();
     }
diff --git a/java/mimis/src/main/java/mimis/device/javainput/JavaInputListener.java b/java/mimis/src/main/java/mimis/device/javainput/JavaInputListener.java
index 3d4687b..9534db3 100644
--- a/java/mimis/src/main/java/mimis/device/javainput/JavaInputListener.java
+++ b/java/mimis/src/main/java/mimis/device/javainput/JavaInputListener.java
@@ -19,8 +19,8 @@ package mimis.device.javainput;
 import java.util.LinkedList;
 import java.util.Queue;
 
-import base.worker.ThreadWorker;
 import mimis.exception.ButtonException;
+import base.work.Work;
 import de.hardcode.jxinput.Button;
 import de.hardcode.jxinput.Directional;
 import de.hardcode.jxinput.JXInputDevice;
@@ -33,7 +33,7 @@ import de.hardcode.jxinput.event.JXInputDirectionalEvent;
 import de.hardcode.jxinput.event.JXInputDirectionalEventListener;
 import de.hardcode.jxinput.event.JXInputEventManager;
 
-public class JavaInputListener extends ThreadWorker implements Runnable, JXInputAxisEventListener, JXInputButtonEventListener, JXInputDirectionalEventListener {
+public class JavaInputListener extends Work implements JXInputAxisEventListener, JXInputButtonEventListener, JXInputDirectionalEventListener {
     protected JavaInputDevice javaInputDevice;
     protected JXInputDevice jxinputDevice;
     protected Queue<JXInputAxisEvent> axisEventQueue;
@@ -95,7 +95,7 @@ public class JavaInputListener extends ThreadWorker implements Runnable, JXInput
                 javaInputDevice.processEvent(directionalEventQueue.poll());
             } catch (ButtonException e) {}
         } else {
-            sleep();
+            worker.sleep();
         }
     }
 }
diff --git a/java/mimis/src/main/java/mimis/device/javainput/extreme3d/Extreme3DDevice.java b/java/mimis/src/main/java/mimis/device/javainput/extreme3d/Extreme3DDevice.java
index 09ea936..f0e66ad 100644
--- a/java/mimis/src/main/java/mimis/device/javainput/extreme3d/Extreme3DDevice.java
+++ b/java/mimis/src/main/java/mimis/device/javainput/extreme3d/Extreme3DDevice.java
@@ -37,11 +37,11 @@ public class Extreme3DDevice extends JavaInputDevice {
         taskMapCycle = new Extreme3DTaskMapCycle();
     }
 
-    protected void activate() throws ActivateException {
-        super.activate();
+    public void activate() throws ActivateException {
         parser(Action.ADD, taskMapCycle.mimis);
         parser(Action.ADD, taskMapCycle.player);
         parser(Action.ADD, taskMapCycle.like);
+        super.activate();
     }
 
     protected Button getButton(JXInputButtonEvent event) throws UnknownButtonException {
diff --git a/java/mimis/src/main/java/mimis/device/javainput/rumblepad/RumblepadDevice.java b/java/mimis/src/main/java/mimis/device/javainput/rumblepad/RumblepadDevice.java
index f65ef0c..0d9a3a7 100644
--- a/java/mimis/src/main/java/mimis/device/javainput/rumblepad/RumblepadDevice.java
+++ b/java/mimis/src/main/java/mimis/device/javainput/rumblepad/RumblepadDevice.java
@@ -37,7 +37,7 @@ public class RumblepadDevice extends JavaInputDevice {
         taskMapCycle = new RumblepadTaskMapCycle(); 
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         super.activate();
         parser(Action.ADD, taskMapCycle.mimis);
         parser(Action.ADD, taskMapCycle.player);
diff --git a/java/mimis/src/main/java/mimis/device/jintellitype/JIntellitypeDevice.java b/java/mimis/src/main/java/mimis/device/jintellitype/JIntellitypeDevice.java
index 366ee8c..afd8029 100644
--- a/java/mimis/src/main/java/mimis/device/jintellitype/JIntellitypeDevice.java
+++ b/java/mimis/src/main/java/mimis/device/jintellitype/JIntellitypeDevice.java
@@ -46,7 +46,7 @@ public class JIntellitypeDevice extends Component implements Device, HotkeyListe
         taskMapCycle = new JIntellitypeTaskMapCycle();
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         super.activate();
         jit.addHotKeyListener(this);
         jit.addIntellitypeListener(this);
@@ -55,7 +55,7 @@ public class JIntellitypeDevice extends Component implements Device, HotkeyListe
     }
 
     public void onIntellitype(int command) {
-        if (active) {
+        if (active()) {
             try {
             CommandButton commandButton = CommandButton.create(command);
             route(new Press(commandButton));
@@ -67,14 +67,14 @@ public class JIntellitypeDevice extends Component implements Device, HotkeyListe
     }
 
     public void onHotKey(int id) {
-        if (active) {
+        if (active()) {
             Hotkey hotkey = hotkeyList.get(id);
             route(new Press(hotkey));
             route(new Release(hotkey));
         }
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         jit.removeHotKeyListener(this);
         jit.removeIntellitypeListener(this);
diff --git a/java/mimis/src/main/java/mimis/device/lirc/LircDevice.java b/java/mimis/src/main/java/mimis/device/lirc/LircDevice.java
index 9df056a..1aae55d 100644
--- a/java/mimis/src/main/java/mimis/device/lirc/LircDevice.java
+++ b/java/mimis/src/main/java/mimis/device/lirc/LircDevice.java
@@ -16,8 +16,6 @@
  */
 package mimis.device.lirc;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
 import mimis.application.cmd.CMDApplication;
 import mimis.device.Device;
 import mimis.device.lirc.remote.DenonRC176Button;
@@ -33,6 +31,8 @@ import mimis.util.Native;
 import mimis.util.multiplexer.SignalListener;
 import mimis.value.Action;
 import mimis.value.Signal;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
 
 public class LircDevice extends CMDApplication implements Device, LircButtonListener, SignalListener<Button> {
     protected final static String PROGRAM = "winlirc.exe";
@@ -53,7 +53,7 @@ public class LircDevice extends CMDApplication implements Device, LircButtonList
         taskMapCycle = new LircTaskMapCycle();
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         super.activate();
         lircService.start();
         parser(Action.ADD, taskMapCycle.denonRC176);
@@ -63,19 +63,19 @@ public class LircDevice extends CMDApplication implements Device, LircButtonList
 
     public boolean active() {
         if (detect) {
-            if (active && !lircService.active()) {
+            if (active() && !lircService.active()) {
                 stop();
-            } else if (!active) {
+            } else if (!active()) {
                 running = Native.isRunning(PROGRAM);
                 if (running) {
                     start();
                 }
             }
         }
-        return active;
+        return super.active();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         logger.debug("Deactivate LircDevice");
         super.deactivate();
         lircService.stop();
@@ -105,6 +105,8 @@ public class LircDevice extends CMDApplication implements Device, LircButtonList
             case END:
                 route(new Release(button));
                 break;
+			default:
+				break;
         }
 
         if (general) {
diff --git a/java/mimis/src/main/java/mimis/device/lirc/LircService.java b/java/mimis/src/main/java/mimis/device/lirc/LircService.java
index 426bf09..2131fdd 100644
--- a/java/mimis/src/main/java/mimis/device/lirc/LircService.java
+++ b/java/mimis/src/main/java/mimis/device/lirc/LircService.java
@@ -48,7 +48,7 @@ public class LircService extends TcpClient {
 
     public static void main(String[] args) {
     	LircService lircService = new LircService();
-    	lircService.start(false);
+    	lircService.start();
     }
 
     public LircService() {
diff --git a/java/mimis/src/main/java/mimis/device/network/NetworkDevice.java b/java/mimis/src/main/java/mimis/device/network/NetworkDevice.java
index 528f700..960daa2 100644
--- a/java/mimis/src/main/java/mimis/device/network/NetworkDevice.java
+++ b/java/mimis/src/main/java/mimis/device/network/NetworkDevice.java
@@ -25,9 +25,6 @@ import java.net.ServerSocket;
 import java.net.Socket;
 import java.util.concurrent.ConcurrentLinkedQueue;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.Component;
 import mimis.device.Device;
 import mimis.input.Feedback;
@@ -35,6 +32,9 @@ import mimis.input.Input;
 import mimis.input.Task;
 import mimis.value.Action;
 import mimis.value.Target;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class NetworkDevice extends Component implements Device {
     protected static final String TITLE = "Network";
@@ -53,7 +53,7 @@ public class NetworkDevice extends Component implements Device {
         this(PORT);
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         server.start();
         super.activate();
     }
@@ -64,10 +64,10 @@ public class NetworkDevice extends Component implements Device {
                 client.stop();
             }
         }
-        return active = server.active();
+        return server.active();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         server.stop();
     }
@@ -83,7 +83,7 @@ public class NetworkDevice extends Component implements Device {
         }
     }
 
-    protected class Server extends ThreadWorker {
+    protected class Server extends Work {
         protected ServerSocket serverSocket;
         protected int port;
         
@@ -91,7 +91,7 @@ public class NetworkDevice extends Component implements Device {
             this.port = port;
         }
 
-        protected void activate() throws ActivateException {
+        public void activate() throws ActivateException {
             try {
                 serverSocket = new ServerSocket(port);
             } catch (IOException e) {
@@ -101,10 +101,10 @@ public class NetworkDevice extends Component implements Device {
         }
 
         public synchronized boolean active() {
-            return active = serverSocket != null && !serverSocket.isClosed();
+            return serverSocket != null && !serverSocket.isClosed();
         }
     
-        protected synchronized void deactivate() throws DeactivateException {
+        public synchronized void deactivate() throws DeactivateException {
             super.deactivate();
             try {
                 route(new Feedback("[NetworkDevice] Closing server socket"));
@@ -138,7 +138,7 @@ public class NetworkDevice extends Component implements Device {
         }
     }
 
-    protected class Client extends ThreadWorker {
+    protected class Client extends Work {
         protected Socket socket;
         protected InputStream inputStream;
         protected OutputStream outputStream;
@@ -153,7 +153,7 @@ public class NetworkDevice extends Component implements Device {
         }
 
         public boolean active() {
-            return active = socket.isConnected();
+            return socket.isConnected();
         }
 
         public void work() {
@@ -176,7 +176,7 @@ public class NetworkDevice extends Component implements Device {
             }
         }
 
-        protected void deactivate() throws DeactivateException {
+        public void deactivate() throws DeactivateException {
             super.deactivate();
             send(new Task(Action.STOP, Target.SELF));
             clientList.remove(this);
diff --git a/java/mimis/src/main/java/mimis/device/panel/PanelDevice.java b/java/mimis/src/main/java/mimis/device/panel/PanelDevice.java
index e97ec7c..db81ee3 100644
--- a/java/mimis/src/main/java/mimis/device/panel/PanelDevice.java
+++ b/java/mimis/src/main/java/mimis/device/panel/PanelDevice.java
@@ -34,17 +34,17 @@ public class PanelDevice extends Component implements Device {
         taskMapCycle = new PanelTaskMapCycle();
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         panel = new Panel(this);
         parser(Action.ADD, taskMapCycle.player);
         super.activate();
     }
 
     public boolean active() {
-        return active = panel != null;
+        return panel != null;
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         panel.dispose();
         panel = null;
diff --git a/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDevice.java b/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDevice.java
index 5728b7b..e319602 100644
--- a/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDevice.java
+++ b/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDevice.java
@@ -26,7 +26,6 @@ import mimis.input.Button;
 import mimis.input.Feedback;
 import mimis.input.state.Press;
 import mimis.input.state.Release;
-import mimis.util.ArrayCycle;
 import mimis.value.Action;
 import mimis.value.Signal;
 
@@ -40,7 +39,8 @@ import wiiusej.wiiusejevents.physicalevents.MotionSensingEvent;
 import wiiusej.wiiusejevents.physicalevents.WiimoteButtonsEvent;
 import base.exception.worker.ActivateException;
 import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
+import base.util.ArrayCycle;
+import base.work.Work;
 
 public class WiimoteDevice extends Component implements Device, GestureListener {
     protected static final String TITLE = "Wiimote";
@@ -56,7 +56,7 @@ public class WiimoteDevice extends Component implements Device, GestureListener
     protected GestureDevice gestureDevice;
     protected MotionDevice motionDevice;
     protected int gestureId;
-    protected LedWorker ledWorker;
+    protected LedWork ledWork;
     protected boolean disconnect;
 
     static {
@@ -71,11 +71,11 @@ public class WiimoteDevice extends Component implements Device, GestureListener
         gestureDevice.add(this);
         motionDevice = new MotionDevice(this);
         gestureId = 0;
-        ledWorker = new LedWorker();
+        ledWork = new LedWork();
     }
 
     /* Worker */
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
     	if (wiimote == null) {
             motionDevice.setRouter(router);
             motionDevice.start();
@@ -107,12 +107,12 @@ public class WiimoteDevice extends Component implements Device, GestureListener
                 }
             }
         }
-        return active;
+        return super.active();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
-        ledWorker.stop();
+        ledWork.stop();
         motionDevice.stop();
         if (disconnect && wiimote != null) {
             wiimote.disconnect();
@@ -122,7 +122,7 @@ public class WiimoteDevice extends Component implements Device, GestureListener
 
     public void exit() {
         super.exit();
-        ledWorker.exit();
+        ledWork.exit();
         if (wiimote != null) {
             wiimote.disconnect();
             wiimote = null;
@@ -170,6 +170,8 @@ public class WiimoteDevice extends Component implements Device, GestureListener
                     gestureDevice.loadGesture("tmp/gesture #" + gestureId);
                 }
                 break;
+			default:
+				break;
         }
     }
 
@@ -187,6 +189,8 @@ public class WiimoteDevice extends Component implements Device, GestureListener
                 logger.debug("Gesture close release");
                 gestureDevice.close(Signal.END);
                 break;
+			default:
+				break;
         }
     }
 
@@ -202,12 +206,12 @@ public class WiimoteDevice extends Component implements Device, GestureListener
         wiimote = wiimoteService.getDevice(this);
         //wiimote.activateContinuous();
         //wiimote.activateMotionSensing();
-        ledWorker.start();
+        ledWork.start();
     }
 
     /* Listeners */
     public void onButtonsEvent(WiimoteButtonsEvent event) {
-    	if (!active) {
+    	if (!active()) {
     		return;
     	}
         int pressed = event.getButtonsJustPressed() - event.getButtonsHeld();
@@ -226,7 +230,7 @@ public class WiimoteDevice extends Component implements Device, GestureListener
     }
 
     public void onMotionSensingEvent(MotionSensingEvent event) {
-    	if (!active) {
+    	if (!active()) {
     		return;
     	}
         gestureDevice.add(event.getGforce());
@@ -243,10 +247,10 @@ public class WiimoteDevice extends Component implements Device, GestureListener
         }
     }
 
-    class LedWorker extends ThreadWorker {
+    class LedWork extends Work {
         protected ArrayCycle<Integer> ledCycle;
 
-        public LedWorker() {
+        public LedWork() {
             ledCycle = new ArrayCycle<Integer>();
             ledCycle.add(1);
             ledCycle.add(3);
@@ -269,7 +273,7 @@ public class WiimoteDevice extends Component implements Device, GestureListener
             setLeds(1);
         }
 
-        protected void work() {
+        public void work() {
             setLeds(ledCycle.next());
             sleep(LED_SLEEP);
         }
diff --git a/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDiscovery.java b/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDiscovery.java
index d34a62f..fd84cc3 100644
--- a/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDiscovery.java
+++ b/java/mimis/src/main/java/mimis/device/wiimote/WiimoteDiscovery.java
@@ -19,12 +19,12 @@ package mimis.device.wiimote;
 import java.io.IOException;
 import java.util.Scanner;
 
+import mimis.exception.device.DeviceNotFoundException;
 import base.exception.worker.ActivateException;
 import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
-import mimis.exception.device.DeviceNotFoundException;
+import base.work.Work;
 
-public class WiimoteDiscovery extends ThreadWorker {
+public class WiimoteDiscovery extends Work {
     protected static final String WIISCAN = "wiiscan";
     protected static final int TIMEOUT = 1000;
     protected WiimoteDevice wiimoteDevice;
@@ -54,11 +54,14 @@ public class WiimoteDiscovery extends ThreadWorker {
                 String line = scanner.nextLine();
                 if (line.contains("error: BluetoothSetServiceState()")) {
                     disconnect = true;
+                    scanner.close();
                     return false;
                 } else if (line.contains("[OK]")) {
+                    scanner.close();
                     return true;
                 }
             }
+            scanner.close();
         } catch (IOException e) {
             logger.error("", e);
         } finally {
@@ -78,7 +81,7 @@ public class WiimoteDiscovery extends ThreadWorker {
         }
     }
 
-    protected void work() {
+    public void work() {
         if (disconnect) {
             disconnect();
             disconnect = false;
diff --git a/java/mimis/src/main/java/mimis/device/wiimote/motion/MotionDevice.java b/java/mimis/src/main/java/mimis/device/wiimote/motion/MotionDevice.java
index 41d72c4..245fffe 100644
--- a/java/mimis/src/main/java/mimis/device/wiimote/motion/MotionDevice.java
+++ b/java/mimis/src/main/java/mimis/device/wiimote/motion/MotionDevice.java
@@ -24,9 +24,6 @@ import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.util.ArrayList;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.Component;
 import mimis.device.lirc.LircButton;
 import mimis.device.lirc.remote.PhiliphsRCLE011Button;
@@ -37,6 +34,9 @@ import mimis.input.button.NumberButton;
 import mimis.input.state.State;
 import mimis.value.Action;
 import wiiusej.wiiusejevents.physicalevents.MotionSensingEvent;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class MotionDevice extends Component {
     protected WiimoteDevice wiimoteDevice;
@@ -45,7 +45,7 @@ public class MotionDevice extends Component {
     protected boolean replay;
     protected Action action;
 
-    public ReplayWorker replayWorker;
+    public ReplayWork replayWork;
     public ArrayList<MotionData> motionList;
 
     public MotionDevice(WiimoteDevice wiimoteDevice) {
@@ -54,7 +54,7 @@ public class MotionDevice extends Component {
         start = -1;
         replay = false;
         action = Action.TRAIN;
-        replayWorker = new ReplayWorker();
+        replayWork = new ReplayWork();
         motionList = new ArrayList<MotionData>();
     }
 
@@ -64,13 +64,13 @@ public class MotionDevice extends Component {
     }
 
     public void deactivate() throws DeactivateException {
-        replayWorker.stop();
+        replayWork.stop();
         super.deactivate();
     }
 
     public void exit() {
         super.exit();
-        replayWorker.exit();
+        replayWork.exit();
     }
 
     public void release(Button button) {
@@ -93,6 +93,8 @@ public class MotionDevice extends Component {
                 case SCREEN_DOWN:
                     wiimoteDevice.begin(Action.LOAD);
                     break;
+				default:
+					break;
             }
         } else if (button instanceof NumberButton) {
             NumberButton numberButton = (NumberButton) button;
@@ -113,9 +115,9 @@ public class MotionDevice extends Component {
                         start = System.currentTimeMillis();
                         break;
                     case RED:
-                        if (replayWorker.active()) {
+                        if (replayWork.active()) {
                             logger.debug("Stop replaying motion");
-                            replayWorker.stop();
+                            replayWork.stop();
                         } else {
                             logger.debug("Writing motion to file #" + id);
                             try {                            
@@ -136,8 +138,10 @@ public class MotionDevice extends Component {
                     case YELLOW:
                         logger.debug("Replaying motion from file #" + id);
                         replay = true;
-                        replayWorker.start();
+                        replayWork.start();
                         break;
+					default:
+						break;
                 }
             }
         }
@@ -151,11 +155,11 @@ public class MotionDevice extends Component {
         }
     }
 
-    class ReplayWorker extends ThreadWorker {
+    class ReplayWork extends Work {
         protected ObjectInputStream objectInputStream;
         protected int count, i, time;
 
-        protected void activate() throws ActivateException {
+        public void activate() throws ActivateException {
             try {
                 FileInputStream fileInputStream = new FileInputStream(String.format("tmp/motion #%d.bin", id));
                 objectInputStream = new ObjectInputStream(fileInputStream);
@@ -173,7 +177,7 @@ public class MotionDevice extends Component {
             }
         }
 
-        protected void deactivate() throws DeactivateException {
+        public void deactivate() throws DeactivateException {
             logger.debug(String.format("Replay stopped (%d ms)", time));
             wiimoteDevice.end(action);
             replay = false;
@@ -184,7 +188,8 @@ public class MotionDevice extends Component {
             }
             super.deactivate();
         }
-        protected void work() {
+
+        public void work() {
             if (i++ < count) {                
                 try {
                     Object object = objectInputStream.readObject();
@@ -202,5 +207,4 @@ public class MotionDevice extends Component {
             stop();
         }        
     }
-
-}
+}
\ No newline at end of file
diff --git a/java/mimis/src/main/java/mimis/manager/ButtonManager.java b/java/mimis/src/main/java/mimis/manager/ButtonManager.java
index 753700c..1ba551f 100644
--- a/java/mimis/src/main/java/mimis/manager/ButtonManager.java
+++ b/java/mimis/src/main/java/mimis/manager/ButtonManager.java
@@ -25,20 +25,20 @@ import javax.swing.JPanel;
 import javax.swing.JToggleButton;
 import javax.swing.border.TitledBorder;
 
-import base.worker.ThreadWorker;
+import base.work.Work;
 
 public class ButtonManager extends Manager {
     protected static final String TITLE = "Workers";
     
     protected String title;
-    protected Map<ThreadWorker, WorkerButton> buttonMap;
+    protected Map<Work, WorkerButton> buttonMap;
 
-    public ButtonManager(ThreadWorker... workerArray) {
-        this(TITLE, workerArray);
+    public ButtonManager(Work... workArray) {
+        this(TITLE, workArray);
     }
 
-    public ButtonManager(String title, ThreadWorker... workerArray) {
-        super(workerArray);
+    public ButtonManager(String title, Work... workArray) {
+        super(workArray);
         this.title = title;
         createButtons();
     }
@@ -52,8 +52,8 @@ public class ButtonManager extends Manager {
     }
 
     protected void createButtons() {
-        buttonMap = new HashMap<ThreadWorker, WorkerButton>();
-        for (ThreadWorker worker : workerList) {
+        buttonMap = new HashMap<Work, WorkerButton>();
+        for (Work worker : workList) {
             WorkerButton button = new WorkerButton(worker);
             buttonMap.put(worker, button);
         }
@@ -84,8 +84,8 @@ public class ButtonManager extends Manager {
         return panel;
     }
 
-    protected void work() {
-        for (ThreadWorker worker : workerList) {
+    public void work() {
+        for (Work worker : workList) {
             buttonMap.get(worker).setPressed(worker.active());
         }
     }
diff --git a/java/mimis/src/main/java/mimis/manager/CurrentButtonManager.java b/java/mimis/src/main/java/mimis/manager/CurrentButtonManager.java
index 27e1127..0e011cc 100644
--- a/java/mimis/src/main/java/mimis/manager/CurrentButtonManager.java
+++ b/java/mimis/src/main/java/mimis/manager/CurrentButtonManager.java
@@ -29,25 +29,25 @@ import javax.swing.JPanel;
 import javax.swing.JRadioButton;
 import javax.swing.border.TitledBorder;
 
-import base.worker.ThreadWorker;
 import mimis.Component;
 import mimis.input.Task;
 import mimis.router.Router;
-import mimis.util.ArrayCycle;
 import mimis.value.Action;
 import mimis.value.Signal;
 import mimis.value.Target;
+import base.util.ArrayCycle;
+import base.work.Work;
 
 public class CurrentButtonManager extends ButtonManager implements ActionListener {
     protected Router router;
     protected ArrayCycle<Component> componentCycle;
-    protected Map<JRadioButton, ThreadWorker> radioButtonMap;
+    protected Map<JRadioButton, Work> radioButtonMap;
 
-    public CurrentButtonManager(Router router, ArrayCycle<Component> componentCycle, String title, ThreadWorker... workerArray) {
-        super(title, workerArray);
+    public CurrentButtonManager(Router router, ArrayCycle<Component> componentCycle, String title, Work... workArray) {
+        super(title, workArray);
         this.componentCycle = componentCycle;
         this.router = router;
-        radioButtonMap = new HashMap<JRadioButton, ThreadWorker>();
+        radioButtonMap = new HashMap<JRadioButton, Work>();
     }
 
     public JPanel createPanel() {
@@ -77,7 +77,7 @@ public class CurrentButtonManager extends ButtonManager implements ActionListene
             JRadioButton radioButton = new JRadioButton();
             buttonGroup.add(radioButton);
             radioButton.addActionListener(this);
-            radioButtonMap.put(radioButton,  button.worker);
+            radioButtonMap.put(radioButton,  button.work);
             gridBagConstraints.gridwidth = GridBagConstraints.REMAINDER;
             gridBagConstraints.weightx = 0;
             gridBagLayout.setConstraints(radioButton, gridBagConstraints);            
@@ -89,7 +89,7 @@ public class CurrentButtonManager extends ButtonManager implements ActionListene
     public void actionPerformed(ActionEvent event) {
         JRadioButton radioButton = (JRadioButton) event.getSource();
         if (radioButtonMap.containsKey(radioButton)) {
-            ThreadWorker worker = radioButtonMap.get(radioButton);
+            Work worker = radioButtonMap.get(radioButton);
             if (componentCycle.contains(worker)) {
                 while (!componentCycle.current().equals(worker)) {
                     componentCycle.next();
@@ -100,9 +100,9 @@ public class CurrentButtonManager extends ButtonManager implements ActionListene
     }
     
     public void currentChanged() {
-        ThreadWorker worker = componentCycle.current();
+        Work worker = componentCycle.current();
         if (radioButtonMap.containsValue(worker)) {
-            for (Entry<JRadioButton, ThreadWorker> entry  : radioButtonMap.entrySet()) {
+            for (Entry<JRadioButton, Work> entry  : radioButtonMap.entrySet()) {
                 if (entry.getValue().equals(worker)) {
                     JRadioButton radioButton = (JRadioButton) entry.getKey();
                     radioButton.setSelected(true);
diff --git a/java/mimis/src/main/java/mimis/manager/Manager.java b/java/mimis/src/main/java/mimis/manager/Manager.java
index cd71cab..785f3b0 100644
--- a/java/mimis/src/main/java/mimis/manager/Manager.java
+++ b/java/mimis/src/main/java/mimis/manager/Manager.java
@@ -20,47 +20,47 @@ import java.util.ArrayList;
 import java.util.Arrays;
 
 import base.exception.worker.DeactivateException;
-import base.worker.ThreadIntervalWorker;
-import base.worker.ThreadWorker;
+import base.work.Work;
+import base.worker.IntervalWork;
 
-public class Manager extends ThreadIntervalWorker {
+public class Manager extends IntervalWork {
     protected static final int INTERVAL = 1000;
 
-    protected ArrayList<ThreadWorker> workerList;
+    protected ArrayList<Work> workList;
 
-    public Manager(ThreadWorker... workerArray) {
-        workerList = new ArrayList<ThreadWorker>();
-        add(workerArray);
+    public Manager(Work... workArray) {
+        workList = new ArrayList<Work>();
+        add(workArray);
     }
 
-    public void add(ThreadWorker... workerArray) {
-        workerList.addAll(Arrays.asList(workerArray));
+    public void add(Work... workArray) {
+        workList.addAll(Arrays.asList(workArray));
     }
 
-    public void remove(ThreadWorker... workerArray) {
-        workerList.removeAll(Arrays.asList(workerArray));
+    public void remove(Work... workArray) {
+        workList.removeAll(Arrays.asList(workArray));
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
-        for (ThreadWorker worker : workerList) {
+        for (Work worker : workList) {
             worker.stop();
         }
     }
 
     public void exit() {
         super.exit();
-        for (ThreadWorker worker : workerList) {
+        for (Work worker : workList) {
             worker.exit();
         }
     }
 
     public int count() {
-        return workerList.size();
+        return workList.size();
     }
 
-    protected void work() {
-        for (ThreadWorker worker : workerList) {
+    public void work() {
+        for (Work worker : workList) {
             worker.active();
         }
     }
diff --git a/java/mimis/src/main/java/mimis/manager/WorkerButton.java b/java/mimis/src/main/java/mimis/manager/WorkerButton.java
index e45d07a..74d4eb3 100644
--- a/java/mimis/src/main/java/mimis/manager/WorkerButton.java
+++ b/java/mimis/src/main/java/mimis/manager/WorkerButton.java
@@ -26,16 +26,16 @@ import mimis.Component;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import base.worker.ThreadWorker;
+import base.work.Work;
 
 public class WorkerButton extends JToggleButton implements MouseListener {
     protected static final long serialVersionUID = 1L;
     protected Logger logger = LoggerFactory.getLogger(getClass());
 
-    protected ThreadWorker worker;
+    protected Work work;
 
-    public WorkerButton(ThreadWorker worker) {
-        this.worker = worker;
+    public WorkerButton(Work worker) {
+        this.work = worker;
         setFocusable(false);
         addMouseListener(this);
         if (worker instanceof Component) {
@@ -44,12 +44,12 @@ public class WorkerButton extends JToggleButton implements MouseListener {
     }
 
     public void mouseClicked(MouseEvent event) {
-        if (worker.active()) {
+        if (work.active()) {
             logger.trace("Stop");
-            worker.stop();
+            work.stop();
         } else {
             logger.trace("Start");
-            worker.start();
+            work.start();
         }        
     }
 
diff --git a/java/mimis/src/main/java/mimis/router/GlobalRouter.java b/java/mimis/src/main/java/mimis/router/GlobalRouter.java
index 39f0c8f..c4dfddf 100644
--- a/java/mimis/src/main/java/mimis/router/GlobalRouter.java
+++ b/java/mimis/src/main/java/mimis/router/GlobalRouter.java
@@ -21,11 +21,11 @@ import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.net.Socket;
 
-import base.exception.worker.ActivateException;
-import base.exception.worker.DeactivateException;
-import base.worker.ThreadWorker;
 import mimis.input.Feedback;
 import mimis.input.Task;
+import base.exception.worker.ActivateException;
+import base.exception.worker.DeactivateException;
+import base.work.Work;
 
 public class GlobalRouter extends Router {
     protected String ip;
@@ -37,7 +37,7 @@ public class GlobalRouter extends Router {
         this.port = port;
     }
 
-    protected void activate() throws ActivateException {
+    public void activate() throws ActivateException {
         try {
             client = new Client(ip, port);
         } catch (IOException e) {
@@ -47,7 +47,7 @@ public class GlobalRouter extends Router {
         super.activate();
     }
 
-    protected void deactivate() throws DeactivateException {
+    public void deactivate() throws DeactivateException {
         super.deactivate();
         client.stop();
     }
@@ -60,7 +60,7 @@ public class GlobalRouter extends Router {
         }
     }
 
-    class Client extends ThreadWorker {
+    class Client extends Work {
         protected Socket socket;
         protected ObjectInputStream objectInputStream;
         protected ObjectOutputStream objectOutputStream;
@@ -87,7 +87,7 @@ public class GlobalRouter extends Router {
             }
         }
 
-        protected void deactivate() throws DeactivateException {
+        public void deactivate() throws DeactivateException {
             super.deactivate();
             try {
                 objectInputStream.close();
diff --git a/java/mimis/src/main/java/mimis/state/TaskMapCycle.java b/java/mimis/src/main/java/mimis/state/TaskMapCycle.java
index 0dd3e56..4e433db 100644
--- a/java/mimis/src/main/java/mimis/state/TaskMapCycle.java
+++ b/java/mimis/src/main/java/mimis/state/TaskMapCycle.java
@@ -17,11 +17,12 @@
 package mimis.state;
 
 import mimis.input.Input;
-import mimis.util.ArrayCycle;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import base.util.ArrayCycle;
+
 public class TaskMapCycle extends ArrayCycle<TaskMap> implements Input {
     protected static final long serialVersionUID = 1L;
     
diff --git a/java/mimis/src/main/java/mimis/util/swing/CycleButton.java b/java/mimis/src/main/java/mimis/util/swing/CycleButton.java
index 2a5b375..f767f19 100644
--- a/java/mimis/src/main/java/mimis/util/swing/CycleButton.java
+++ b/java/mimis/src/main/java/mimis/util/swing/CycleButton.java
@@ -18,7 +18,7 @@ package mimis.util.swing;
 
 import javax.swing.ImageIcon;
 
-import mimis.util.ArrayCycle;
+import base.util.ArrayCycle;
 
 
 public class CycleButton extends HoldButton {
diff --git a/java/mimis/src/main/java/mimis/util/swing/ToggleButton.java b/java/mimis/src/main/java/mimis/util/swing/ToggleButton.java
index 5e4db38..2fc7e51 100644
--- a/java/mimis/src/main/java/mimis/util/swing/ToggleButton.java
+++ b/java/mimis/src/main/java/mimis/util/swing/ToggleButton.java
@@ -18,8 +18,7 @@ package mimis.util.swing;
 
 import javax.swing.ImageIcon;
 
-import mimis.util.ArrayCycle;
-
+import base.util.ArrayCycle;
 
 public class ToggleButton extends CycleButton {
     protected static final long serialVersionUID = 1L;