[309606] ScriptEditor
diff --git a/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/ai/scripteditor/util/WavUtil.java b/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/ai/scripteditor/util/WavUtil.java
new file mode 100644
index 0000000..06a7d0e
--- /dev/null
+++ b/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/ai/scripteditor/util/WavUtil.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2012 IBM Corporation and Others
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Kentarou FUKUDA - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.actf.ai.scripteditor.util;
+
+import java.io.File;
+
+import javax.sound.sampled.AudioInputStream;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.DataLine;
+
+public class WavUtil {
+
+	/**
+	 * @param file target WAV file
+	 * @return length of WAV file in Microsecond
+	 */
+	public static long getMicrosecondLength(File file) {
+		long result = -1;
+		try {
+			AudioInputStream ais = AudioSystem.getAudioInputStream(file);
+			Clip clp = (Clip) AudioSystem.getLine(new DataLine.Info(Clip.class,
+					ais.getFormat()));
+			clp.open(ais);
+			result = clp.getMicrosecondLength();
+			ais.close();
+		} catch (Exception e) {
+		}
+		return result;
+	}
+	
+	/**
+	 * @param file target WAV file
+	 * @return length of WAV file in Millisecond
+	 */
+	public static double getMillisecondLength(File file) {
+		long result = getMicrosecondLength(file);
+		if (result == -1) {
+			return -1;
+		}
+		return result / (double)1000;
+	}
+
+	/**
+	 * @param file target WAV file
+	 * @return length of WAV file in Second
+	 */
+	public static double getLength(File file) {
+		long result = getMicrosecondLength(file);
+		if (result == -1) {
+			return -1;
+		}
+		return result / (double)1000000;
+	}
+
+}
diff --git a/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/examples/scripteditor/Activator.java b/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/examples/scripteditor/Activator.java
index e53a5fd..9a6d57c 100644
--- a/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/examples/scripteditor/Activator.java
+++ b/plugins/org.eclipse.actf.examples.scripteditor/src/org/eclipse/actf/examples/scripteditor/Activator.java
@@ -13,16 +13,16 @@
 import java.util.MissingResourceException;
 import java.util.ResourceBundle;
 
+import org.eclipse.actf.ui.util.AbstractUIPluginACTF;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.resource.ImageDescriptor;
-import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleContext;
 
 /**
  * The activator class controls the plug-in life cycle
  */
-public class Activator extends AbstractUIPlugin {
+public class Activator extends AbstractUIPluginACTF {
 
 	// The plug-in ID
 	public static final String PLUGIN_ID = "org.eclipse.actf.examples.scripteditor";