2008-01-10 20:48  orrisroot

	* SGBrowserLauncher.java: implemented symbol moving operation by
	  the arrow keys on keyboard.

2007-10-11 00:28  orrisroot

	* SGBrowserLauncher.java: implemented to search available browser
	  for other environment.

2006-11-13 21:56  orrisroot

	* SGBrowserLauncher.java: formated lines.

2006-11-13 21:49  orrisroot

	* SGBrowserLauncher.java: replaced @SupressWarnings with NON-NLS-1
	  tag.	SupressWarnings can used from JDK 1.5.

2006-11-13 21:33  orrisroot

	* SGBrowserLauncher.java: added @SuppressWarnings("nls") for
	  eclipse IDE.	formated indention.

2005-12-02 15:39  orrisroot

	* SGBrowserLauncher.java: fixed static asscess warnings.

2004-11-30 14:06  kuromaru

	* SGBrowserLauncher.java: Organized import lines.

2004-11-08 12:58  kuromaru

	* SGBrowserLauncher.java: Default browser is changed from netscape
	  to mozilla.

2004-10-10 22:31  kuromaru

	* SGBrowserLauncher.java: Removed a meaningless line.

2004-09-27 12:59  kuromaru

	* SGBrowserLauncher.java: Added a new class to launch the web
	  browser.

--- BrowserLauncher.java	2008-01-15 12:45:26.126888000 +0900
+++ SGBrowserLauncher.java	2008-01-15 12:45:26.197884000 +0900
@@ -1,7 +1,6 @@
-package edu.stanford.ejalbert;
+package jp.riken.brain.ni.samuraigraph.base;
 
 import java.io.File;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Field;
@@ -9,65 +8,75 @@
 import java.lang.reflect.Method;
 
 /**
- * BrowserLauncher is a class that provides one static method, openURL, which opens the default
- * web browser for the current user of the system to the given URL.  It may support other
- * protocols depending on the system -- mailto, ftp, etc. -- but that has not been rigorously
- * tested and is not guaranteed to work.
+ * BrowserLauncher is a class that provides one static method, openURL, which
+ * opens the default web browser for the current user of the system to the given
+ * URL. It may support other protocols depending on the system -- mailto, ftp,
+ * etc. -- but that has not been rigorously tested and is not guaranteed to
+ * work.
  * <p>
- * Yes, this is platform-specific code, and yes, it may rely on classes on certain platforms
- * that are not part of the standard JDK.  What we're trying to do, though, is to take something
- * that's frequently desirable but inherently platform-specific -- opening a default browser --
- * and allow programmers (you, for example) to do so without worrying about dropping into native
- * code or doing anything else similarly evil.
+ * Yes, this is platform-specific code, and yes, it may rely on classes on
+ * certain platforms that are not part of the standard JDK. What we're trying to
+ * do, though, is to take something that's frequently desirable but inherently
+ * platform-specific -- opening a default browser -- and allow programmers (you,
+ * for example) to do so without worrying about dropping into native code or
+ * doing anything else similarly evil.
  * <p>
- * Anyway, this code is completely in Java and will run on all JDK 1.1-compliant systems without
- * modification or a need for additional libraries.  All classes that are required on certain
- * platforms to allow this to run are dynamically loaded at runtime via reflection and, if not
- * found, will not cause this to do anything other than returning an error when opening the
- * browser.
+ * Anyway, this code is completely in Java and will run on all JDK 1.1-compliant
+ * systems without modification or a need for additional libraries. All classes
+ * that are required on certain platforms to allow this to run are dynamically
+ * loaded at runtime via reflection and, if not found, will not cause this to do
+ * anything other than returning an error when opening the browser.
  * <p>
- * There are certain system requirements for this class, as it's running through Runtime.exec(),
- * which is Java's way of making a native system call.  Currently, this requires that a Macintosh
- * have a Finder which supports the GURL event, which is true for Mac OS 8.0 and 8.1 systems that
- * have the Internet Scripting AppleScript dictionary installed in the Scripting Additions folder
- * in the Extensions folder (which is installed by default as far as I know under Mac OS 8.0 and
- * 8.1), and for all Mac OS 8.5 and later systems.  On Windows, it only runs under Win32 systems
- * (Windows 95, 98, and NT 4.0, as well as later versions of all).  On other systems, this drops
- * back from the inherently platform-sensitive concept of a default browser and simply attempts
- * to launch Netscape via a shell command.
+ * There are certain system requirements for this class, as it's running through
+ * Runtime.exec(), which is Java's way of making a native system call.
+ * Currently, this requires that a Macintosh have a Finder which supports the
+ * GURL event, which is true for Mac OS 8.0 and 8.1 systems that have the
+ * Internet Scripting AppleScript dictionary installed in the Scripting
+ * Additions folder in the Extensions folder (which is installed by default as
+ * far as I know under Mac OS 8.0 and 8.1), and for all Mac OS 8.5 and later
+ * systems. On Windows, it only runs under Win32 systems (Windows 95, 98, and NT
+ * 4.0, as well as later versions of all). On other systems, this drops back
+ * from the inherently platform-sensitive concept of a default browser and
+ * simply attempts to launch Netscape via a shell command.
  * <p>
- * This code is Copyright 1999-2001 by Eric Albert (ejalbert@cs.stanford.edu) and may be
- * redistributed or modified in any form without restrictions as long as the portion of this
- * comment from this paragraph through the end of the comment is not removed.  The author
- * requests that he be notified of any application, applet, or other binary that makes use of
- * this code, but that's more out of curiosity than anything and is not required.  This software
- * includes no warranty.  The author is not repsonsible for any loss of data or functionality
- * or any adverse or unexpected effects of using this software.
+ * This code is Copyright 1999-2001 by Eric Albert (ejalbert@cs.stanford.edu)
+ * and may be redistributed or modified in any form without restrictions as long
+ * as the portion of this comment from this paragraph through the end of the
+ * comment is not removed. The author requests that he be notified of any
+ * application, applet, or other binary that makes use of this code, but that's
+ * more out of curiosity than anything and is not required. This software
+ * includes no warranty. The author is not repsonsible for any loss of data or
+ * functionality or any adverse or unexpected effects of using this software.
  * <p>
- * Credits:
- * <br>Steven Spencer, JavaWorld magazine (<a href="http://www.javaworld.com/javaworld/javatips/jw-javatip66.html">Java Tip 66</a>)
- * <br>Thanks also to Ron B. Yeh, Eric Shapiro, Ben Engber, Paul Teitlebaum, Andrea Cantatore,
- * Larry Barowski, Trevor Bedzek, Frank Miedrich, and Ron Rabakukk
- *
- * @author Eric Albert (<a href="mailto:ejalbert@cs.stanford.edu">ejalbert@cs.stanford.edu</a>)
+ * Credits: <br>
+ * Steven Spencer, JavaWorld magazine (<a
+ * href="http://www.javaworld.com/javaworld/javatips/jw-javatip66.html">Java Tip
+ * 66</a>) <br>
+ * Thanks also to Ron B. Yeh, Eric Shapiro, Ben Engber, Paul Teitlebaum, Andrea
+ * Cantatore, Larry Barowski, Trevor Bedzek, Frank Miedrich, and Ron Rabakukk
+ * 
+ * @author Eric Albert (<a
+ *         href="mailto:ejalbert@cs.stanford.edu">ejalbert@cs.stanford.edu</a>)
  * @version 1.4b1 (Released June 20, 2001)
  */
-public class BrowserLauncher {
+public class SGBrowserLauncher {
 
 	/**
-	 * The Java virtual machine that we are running on.  Actually, in most cases we only care
-	 * about the operating system, but some operating systems require us to switch on the VM. */
+	 * The Java virtual machine that we are running on. Actually, in most cases
+	 * we only care about the operating system, but some operating systems
+	 * require us to switch on the VM.
+	 */
 	private static int jvm;
 
 	/** The browser for the system */
 	private static Object browser;
 
 	/**
-	 * Caches whether any classes, methods, and fields that are not part of the JDK and need to
-	 * be dynamically loaded at runtime loaded successfully.
+	 * Caches whether any classes, methods, and fields that are not part of the
+	 * JDK and need to be dynamically loaded at runtime loaded successfully.
 	 * <p>
-	 * Note that if this is <code>false</code>, <code>openURL()</code> will always return an
-	 * IOException.
+	 * Note that if this is <code>false</code>, <code>openURL()</code> will
+	 * always return an IOException.
 	 */
 	private static boolean loadedWithoutErrors;
 
@@ -79,37 +88,37 @@
 
 	/** The com.apple.MacOS.AEDesc class */
 	private static Class aeDescClass;
-	
+
 	/** The <init>(int) method of com.apple.MacOS.AETarget */
 	private static Constructor aeTargetConstructor;
-	
+
 	/** The <init>(int, int, int) method of com.apple.MacOS.AppleEvent */
 	private static Constructor appleEventConstructor;
-	
+
 	/** The <init>(String) method of com.apple.MacOS.AEDesc */
 	private static Constructor aeDescConstructor;
-	
+
 	/** The findFolder method of com.apple.mrj.MRJFileUtils */
 	private static Method findFolder;
 
 	/** The getFileCreator method of com.apple.mrj.MRJFileUtils */
 	private static Method getFileCreator;
-	
+
 	/** The getFileType method of com.apple.mrj.MRJFileUtils */
 	private static Method getFileType;
-	
+
 	/** The openURL method of com.apple.mrj.MRJFileUtils */
 	private static Method openURL;
-	
+
 	/** The makeOSType method of com.apple.MacOS.OSUtils */
 	private static Method makeOSType;
-	
+
 	/** The putParameter method of com.apple.MacOS.AppleEvent */
 	private static Method putParameter;
-	
+
 	/** The sendNoReply method of com.apple.MacOS.AppleEvent */
 	private static Method sendNoReply;
-	
+
 	/** Actually an MRJOSType pointing to the System Folder on a Macintosh */
 	private static Object kSystemFolderType;
 
@@ -118,31 +127,31 @@
 
 	/** The kAutoGenerateReturnID AppleEvent code */
 	private static Integer kAutoGenerateReturnID;
-	
+
 	/** The kAnyTransactionID AppleEvent code */
 	private static Integer kAnyTransactionID;
 
-	/** The linkage object required for JDirect 3 on Mac OS X. */
+	/** The linkage object required for JDirect 3 on MacOS X. */
 	private static Object linkage;
-	
-	/** The framework to reference on Mac OS X */
-	private static final String JDirect_MacOSX = "/System/Library/Frameworks/Carbon.framework/Frameworks/HIToolbox.framework/HIToolbox";
+
+//	/** The framework to reference on MacOS X */
+//	private static final String JDirect_MacOSX = "/System/Library/Frameworks/Carbon.framework/Frameworks/HIToolbox.framework/HIToolbox"; //$NON-NLS-1$
 
 	/** JVM constant for MRJ 2.0 */
 	private static final int MRJ_2_0 = 0;
-	
+
 	/** JVM constant for MRJ 2.1 or later */
 	private static final int MRJ_2_1 = 1;
 
 	/** JVM constant for Java on Mac OS X 10.0 (MRJ 3.0) */
 	private static final int MRJ_3_0 = 3;
-	
+
 	/** JVM constant for MRJ 3.1 */
 	private static final int MRJ_3_1 = 4;
 
 	/** JVM constant for any Windows NT JVM */
 	private static final int WINDOWS_NT = 5;
-	
+
 	/** JVM constant for any Windows 9x JVM */
 	private static final int WINDOWS_9x = 6;
 
@@ -150,83 +159,89 @@
 	private static final int OTHER = -1;
 
 	/**
-	 * The file type of the Finder on a Macintosh.  Hardcoding "Finder" would keep non-U.S. English
-	 * systems from working properly.
+	 * The file type of the Finder on a Macintosh. Hardcoding "Finder" would
+	 * keep non-U.S. English systems from working properly.
 	 */
-	private static final String FINDER_TYPE = "FNDR";
+	private static final String FINDER_TYPE = "FNDR"; //$NON-NLS-1$
 
 	/**
-	 * The creator code of the Finder on a Macintosh, which is needed to send AppleEvents to the
-	 * application.
+	 * The creator code of the Finder on a Macintosh, which is needed to send
+	 * AppleEvents to the application.
 	 */
-	private static final String FINDER_CREATOR = "MACS";
+	private static final String FINDER_CREATOR = "MACS"; //$NON-NLS-1$
 
 	/** The name for the AppleEvent type corresponding to a GetURL event. */
-	private static final String GURL_EVENT = "GURL";
+	private static final String GURL_EVENT = "GURL"; //$NON-NLS-1$
 
 	/**
-	 * The first parameter that needs to be passed into Runtime.exec() to open the default web
-	 * browser on Windows.
+	 * The first parameter that needs to be passed into Runtime.exec() to open
+	 * the default web browser on Windows.
 	 */
-    private static final String FIRST_WINDOWS_PARAMETER = "/c";
-    
-    /** The second parameter for Runtime.exec() on Windows. */
-    private static final String SECOND_WINDOWS_PARAMETER = "start";
-    
-    /**
-     * The third parameter for Runtime.exec() on Windows.  This is a "title"
-     * parameter that the command line expects.  Setting this parameter allows
-     * URLs containing spaces to work.
-     */
-    private static final String THIRD_WINDOWS_PARAMETER = "\"\"";
-	
-	/**
-	 * The shell parameters for Netscape that opens a given URL in an already-open copy of Netscape
-	 * on many command-line systems.
-	 */
-	private static final String NETSCAPE_REMOTE_PARAMETER = "-remote";
-	private static final String NETSCAPE_OPEN_PARAMETER_START = "'openURL(";
-	private static final String NETSCAPE_OPEN_PARAMETER_END = ")'";
-	
+	private static final String FIRST_WINDOWS_PARAMETER = "/c"; //$NON-NLS-1$
+
+	/** The second parameter for Runtime.exec() on Windows. */
+	private static final String SECOND_WINDOWS_PARAMETER = "start"; //$NON-NLS-1$
+
 	/**
-	 * The message from any exception thrown throughout the initialization process.
+	 * The third parameter for Runtime.exec() on Windows. This is a "title"
+	 * parameter that the command line expects. Setting this parameter allows
+	 * URLs containing spaces to work.
+	 */
+	private static final String THIRD_WINDOWS_PARAMETER = "\"\""; //$NON-NLS-1$
+
+//	/**
+//	 * The shell parameters for Netscape that opens a given URL in an
+//	 * already-open copy of Netscape on many command-line systems.
+//	 */
+//	private static final String NETSCAPE_REMOTE_PARAMETER = "-remote"; //$NON-NLS-1$
+//
+//	private static final String NETSCAPE_OPEN_PARAMETER_START = "'openURL("; //$NON-NLS-1$
+//
+//	private static final String NETSCAPE_OPEN_PARAMETER_END = ")'"; //$NON-NLS-1$
+
+	/**
+	 * The message from any exception thrown throughout the initialization
+	 * process.
 	 */
 	private static String errorMessage;
 
 	/**
-	 * An initialization block that determines the operating system and loads the necessary
-	 * runtime data.
+	 * An initialization block that determines the operating system and loads
+	 * the necessary runtime data.
 	 */
 	static {
 		loadedWithoutErrors = true;
-		String osName = System.getProperty("os.name");
-		if (osName.startsWith("Mac OS")) {
-			String mrjVersion = System.getProperty("mrj.version");
+		String osName = System.getProperty("os.name"); //$NON-NLS-1$
+		if (osName.startsWith("Mac OS")) { //$NON-NLS-1$
+			String mrjVersion = System.getProperty("mrj.version"); //$NON-NLS-1$
 			String majorMRJVersion = mrjVersion.substring(0, 3);
 			try {
 				double version = Double.valueOf(majorMRJVersion).doubleValue();
 				if (version == 2) {
 					jvm = MRJ_2_0;
 				} else if (version >= 2.1 && version < 3) {
-					// Assume that all 2.x versions of MRJ work the same.  MRJ 2.1 actually
-					// works via Runtime.exec() and 2.2 supports that but has an openURL() method
+					// Assume that all 2.x versions of MRJ work the same. MRJ
+					// 2.1 actually
+					// works via Runtime.exec() and 2.2 supports that but has an
+					// openURL() method
 					// as well that we currently ignore.
 					jvm = MRJ_2_1;
 				} else if (version == 3.0) {
 					jvm = MRJ_3_0;
 				} else if (version >= 3.1) {
-					// Assume that all 3.1 and later versions of MRJ work the same.
+					// Assume that all 3.1 and later versions of MRJ work the
+					// same.
 					jvm = MRJ_3_1;
 				} else {
 					loadedWithoutErrors = false;
-					errorMessage = "Unsupported MRJ version: " + version;
+					errorMessage = "Unsupported MRJ version: " + version; //$NON-NLS-1$
 				}
 			} catch (NumberFormatException nfe) {
 				loadedWithoutErrors = false;
-				errorMessage = "Invalid MRJ version: " + mrjVersion;
+				errorMessage = "Invalid MRJ version: " + mrjVersion; //$NON-NLS-1$
 			}
-		} else if (osName.startsWith("Windows")) {
-			if (osName.indexOf("9") != -1) {
+		} else if (osName.startsWith("Windows")) { //$NON-NLS-1$
+			if (osName.indexOf("9") != -1) { //$NON-NLS-1$
 				jvm = WINDOWS_9x;
 			} else {
 				jvm = WINDOWS_NT;
@@ -234,8 +249,8 @@
 		} else {
 			jvm = OTHER;
 		}
-		
-		if (loadedWithoutErrors) {	// if we haven't hit any errors yet
+
+		if (loadedWithoutErrors) { // if we haven't hit any errors yet
 			loadedWithoutErrors = loadClasses();
 		}
 	}
@@ -243,342 +258,413 @@
 	/**
 	 * This class should be never be instantiated; this just ensures so.
 	 */
-	private BrowserLauncher() { }
-	
+	private SGBrowserLauncher() { /* nothing */
+	}
+
 	/**
-	 * Called by a static initializer to load any classes, fields, and methods required at runtime
-	 * to locate the user's web browser.
+	 * Called by a static initializer to load any classes, fields, and methods
+	 * required at runtime to locate the user's web browser.
+	 * 
 	 * @return <code>true</code> if all intialization succeeded
-	 *			<code>false</code> if any portion of the initialization failed
+	 *         <code>false</code> if any portion of the initialization failed
 	 */
 	private static boolean loadClasses() {
 		switch (jvm) {
-			case MRJ_2_0:
-				try {
-					Class aeTargetClass = Class.forName("com.apple.MacOS.AETarget");
-					Class osUtilsClass = Class.forName("com.apple.MacOS.OSUtils");
-					Class appleEventClass = Class.forName("com.apple.MacOS.AppleEvent");
-					Class aeClass = Class.forName("com.apple.MacOS.ae");
-					aeDescClass = Class.forName("com.apple.MacOS.AEDesc");
-
-					aeTargetConstructor = aeTargetClass.getDeclaredConstructor(new Class [] { int.class });
-					appleEventConstructor = appleEventClass.getDeclaredConstructor(new Class[] { int.class, int.class, aeTargetClass, int.class, int.class });
-					aeDescConstructor = aeDescClass.getDeclaredConstructor(new Class[] { String.class });
-
-					makeOSType = osUtilsClass.getDeclaredMethod("makeOSType", new Class [] { String.class });
-					putParameter = appleEventClass.getDeclaredMethod("putParameter", new Class[] { int.class, aeDescClass });
-					sendNoReply = appleEventClass.getDeclaredMethod("sendNoReply", new Class[] { });
-
-					Field keyDirectObjectField = aeClass.getDeclaredField("keyDirectObject");
-					keyDirectObject = (Integer) keyDirectObjectField.get(null);
-					Field autoGenerateReturnIDField = appleEventClass.getDeclaredField("kAutoGenerateReturnID");
-					kAutoGenerateReturnID = (Integer) autoGenerateReturnIDField.get(null);
-					Field anyTransactionIDField = appleEventClass.getDeclaredField("kAnyTransactionID");
-					kAnyTransactionID = (Integer) anyTransactionIDField.get(null);
-				} catch (ClassNotFoundException cnfe) {
-					errorMessage = cnfe.getMessage();
-					return false;
-				} catch (NoSuchMethodException nsme) {
-					errorMessage = nsme.getMessage();
-					return false;
-				} catch (NoSuchFieldException nsfe) {
-					errorMessage = nsfe.getMessage();
-					return false;
-				} catch (IllegalAccessException iae) {
-					errorMessage = iae.getMessage();
-					return false;
-				}
-				break;
-			case MRJ_2_1:
-				try {
-					mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
-					mrjOSTypeClass = Class.forName("com.apple.mrj.MRJOSType");
-					Field systemFolderField = mrjFileUtilsClass.getDeclaredField("kSystemFolderType");
-					kSystemFolderType = systemFolderField.get(null);
-					findFolder = mrjFileUtilsClass.getDeclaredMethod("findFolder", new Class[] { mrjOSTypeClass });
-					getFileCreator = mrjFileUtilsClass.getDeclaredMethod("getFileCreator", new Class[] { File.class });
-					getFileType = mrjFileUtilsClass.getDeclaredMethod("getFileType", new Class[] { File.class });
-				} catch (ClassNotFoundException cnfe) {
-					errorMessage = cnfe.getMessage();
-					return false;
-				} catch (NoSuchFieldException nsfe) {
-					errorMessage = nsfe.getMessage();
-					return false;
-				} catch (NoSuchMethodException nsme) {
-					errorMessage = nsme.getMessage();
-					return false;
-				} catch (SecurityException se) {
-					errorMessage = se.getMessage();
-					return false;
-				} catch (IllegalAccessException iae) {
-					errorMessage = iae.getMessage();
-					return false;
-				}
-				break;
-			case MRJ_3_0:
-			    try {
-					Class linker = Class.forName("com.apple.mrj.jdirect.Linker");
-					Constructor constructor = linker.getConstructor(new Class[]{ Class.class });
-					linkage = constructor.newInstance(new Object[] { BrowserLauncher.class });
-				} catch (ClassNotFoundException cnfe) {
-					errorMessage = cnfe.getMessage();
-					return false;
-				} catch (NoSuchMethodException nsme) {
-					errorMessage = nsme.getMessage();
-					return false;
-				} catch (InvocationTargetException ite) {
-					errorMessage = ite.getMessage();
-					return false;
-				} catch (InstantiationException ie) {
-					errorMessage = ie.getMessage();
-					return false;
-				} catch (IllegalAccessException iae) {
-					errorMessage = iae.getMessage();
-					return false;
-				}
-				break;
-			case MRJ_3_1:
-				try {
-					mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
-					openURL = mrjFileUtilsClass.getDeclaredMethod("openURL", new Class[] { String.class });
-				} catch (ClassNotFoundException cnfe) {
-					errorMessage = cnfe.getMessage();
-					return false;
-				} catch (NoSuchMethodException nsme) {
-					errorMessage = nsme.getMessage();
-					return false;
-				}
-				break;
-			default:
-			    break;
+		case MRJ_2_0:
+			try {
+				Class aeTargetClass = Class.forName("com.apple.MacOS.AETarget"); //$NON-NLS-1$
+				Class osUtilsClass = Class.forName("com.apple.MacOS.OSUtils"); //$NON-NLS-1$
+				Class appleEventClass = Class
+						.forName("com.apple.MacOS.AppleEvent"); //$NON-NLS-1$
+				Class aeClass = Class.forName("com.apple.MacOS.ae"); //$NON-NLS-1$
+				aeDescClass = Class.forName("com.apple.MacOS.AEDesc"); //$NON-NLS-1$
+
+				aeTargetConstructor = aeTargetClass
+						.getDeclaredConstructor(new Class[] { int.class });
+				appleEventConstructor = appleEventClass
+						.getDeclaredConstructor(new Class[] { int.class,
+								int.class, aeTargetClass, int.class, int.class });
+				aeDescConstructor = aeDescClass
+						.getDeclaredConstructor(new Class[] { String.class });
+
+				makeOSType = osUtilsClass.getDeclaredMethod(
+						"makeOSType", new Class[] { String.class }); //$NON-NLS-1$
+				putParameter = appleEventClass.getDeclaredMethod(
+						"putParameter", new Class[] { int.class, aeDescClass }); //$NON-NLS-1$
+				sendNoReply = appleEventClass.getDeclaredMethod(
+						"sendNoReply", new Class[] {}); //$NON-NLS-1$
+
+				Field keyDirectObjectField = aeClass
+						.getDeclaredField("keyDirectObject"); //$NON-NLS-1$
+				keyDirectObject = (Integer) keyDirectObjectField.get(null);
+				Field autoGenerateReturnIDField = appleEventClass
+						.getDeclaredField("kAutoGenerateReturnID"); //$NON-NLS-1$
+				kAutoGenerateReturnID = (Integer) autoGenerateReturnIDField
+						.get(null);
+				Field anyTransactionIDField = appleEventClass
+						.getDeclaredField("kAnyTransactionID"); //$NON-NLS-1$
+				kAnyTransactionID = (Integer) anyTransactionIDField.get(null);
+			} catch (ClassNotFoundException cnfe) {
+				errorMessage = cnfe.getMessage();
+				return false;
+			} catch (NoSuchMethodException nsme) {
+				errorMessage = nsme.getMessage();
+				return false;
+			} catch (NoSuchFieldException nsfe) {
+				errorMessage = nsfe.getMessage();
+				return false;
+			} catch (IllegalAccessException iae) {
+				errorMessage = iae.getMessage();
+				return false;
+			}
+			break;
+		case MRJ_2_1:
+			try {
+				mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils"); //$NON-NLS-1$
+				mrjOSTypeClass = Class.forName("com.apple.mrj.MRJOSType"); //$NON-NLS-1$
+				Field systemFolderField = mrjFileUtilsClass
+						.getDeclaredField("kSystemFolderType"); //$NON-NLS-1$
+				kSystemFolderType = systemFolderField.get(null);
+				findFolder = mrjFileUtilsClass.getDeclaredMethod(
+						"findFolder", new Class[] { mrjOSTypeClass }); //$NON-NLS-1$
+				getFileCreator = mrjFileUtilsClass.getDeclaredMethod(
+						"getFileCreator", new Class[] { File.class }); //$NON-NLS-1$
+				getFileType = mrjFileUtilsClass.getDeclaredMethod(
+						"getFileType", new Class[] { File.class }); //$NON-NLS-1$
+			} catch (ClassNotFoundException cnfe) {
+				errorMessage = cnfe.getMessage();
+				return false;
+			} catch (NoSuchFieldException nsfe) {
+				errorMessage = nsfe.getMessage();
+				return false;
+			} catch (NoSuchMethodException nsme) {
+				errorMessage = nsme.getMessage();
+				return false;
+			} catch (SecurityException se) {
+				errorMessage = se.getMessage();
+				return false;
+			} catch (IllegalAccessException iae) {
+				errorMessage = iae.getMessage();
+				return false;
+			}
+			break;
+		case MRJ_3_0:
+			try {
+				Class linker = Class.forName("com.apple.mrj.jdirect.Linker"); //$NON-NLS-1$
+				Constructor constructor = linker
+						.getConstructor(new Class[] { Class.class });
+				linkage = constructor
+						.newInstance(new Object[] { SGBrowserLauncher.class });
+			} catch (ClassNotFoundException cnfe) {
+				errorMessage = cnfe.getMessage();
+				return false;
+			} catch (NoSuchMethodException nsme) {
+				errorMessage = nsme.getMessage();
+				return false;
+			} catch (InvocationTargetException ite) {
+				errorMessage = ite.getMessage();
+				return false;
+			} catch (InstantiationException ie) {
+				errorMessage = ie.getMessage();
+				return false;
+			} catch (IllegalAccessException iae) {
+				errorMessage = iae.getMessage();
+				return false;
+			}
+			break;
+		case MRJ_3_1:
+			try {
+				mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils"); //$NON-NLS-1$
+				openURL = mrjFileUtilsClass.getDeclaredMethod(
+						"openURL", new Class[] { String.class }); //$NON-NLS-1$
+			} catch (ClassNotFoundException cnfe) {
+				errorMessage = cnfe.getMessage();
+				return false;
+			} catch (NoSuchMethodException nsme) {
+				errorMessage = nsme.getMessage();
+				return false;
+			}
+			break;
+		default:
+			break;
 		}
 		return true;
 	}
 
 	/**
-	 * Attempts to locate the default web browser on the local system.  Caches results so it
-	 * only locates the browser once for each use of this class per JVM instance.
-	 * @return The browser for the system.  Note that this may not be what you would consider
-	 *			to be a standard web browser; instead, it's the application that gets called to
-	 *			open the default web browser.  In some cases, this will be a non-String object
-	 *			that provides the means of calling the default browser.
+	 * Attempts to locate the default web browser on the local system. Caches
+	 * results so it only locates the browser once for each use of this class
+	 * per JVM instance.
+	 * 
+	 * @return The browser for the system. Note that this may not be what you
+	 *         would consider to be a standard web browser; instead, it's the
+	 *         application that gets called to open the default web browser. In
+	 *         some cases, this will be a non-String object that provides the
+	 *         means of calling the default browser.
 	 */
 	private static Object locateBrowser() {
 		if (browser != null) {
 			return browser;
 		}
 		switch (jvm) {
-			case MRJ_2_0:
-				try {
-					Integer finderCreatorCode = (Integer) makeOSType.invoke(null, new Object[] { FINDER_CREATOR });
-					Object aeTarget = aeTargetConstructor.newInstance(new Object[] { finderCreatorCode });
-					Integer gurlType = (Integer) makeOSType.invoke(null, new Object[] { GURL_EVENT });
-					Object appleEvent = appleEventConstructor.newInstance(new Object[] { gurlType, gurlType, aeTarget, kAutoGenerateReturnID, kAnyTransactionID });
-					// Don't set browser = appleEvent because then the next time we call
-					// locateBrowser(), we'll get the same AppleEvent, to which we'll already have
-					// added the relevant parameter. Instead, regenerate the AppleEvent every time.
-					// There's probably a way to do this better; if any has any ideas, please let
-					// me know.
-					return appleEvent;
-				} catch (IllegalAccessException iae) {
-					browser = null;
-					errorMessage = iae.getMessage();
-					return browser;
-				} catch (InstantiationException ie) {
-					browser = null;
-					errorMessage = ie.getMessage();
-					return browser;
-				} catch (InvocationTargetException ite) {
-					browser = null;
-					errorMessage = ite.getMessage();
-					return browser;
-				}
-			case MRJ_2_1:
-				File systemFolder;
+		case MRJ_2_0:
+			try {
+				Integer finderCreatorCode = (Integer) makeOSType.invoke(null,
+						new Object[] { FINDER_CREATOR });
+				Object aeTarget = aeTargetConstructor
+						.newInstance(new Object[] { finderCreatorCode });
+				Integer gurlType = (Integer) makeOSType.invoke(null,
+						new Object[] { GURL_EVENT });
+				Object appleEvent = appleEventConstructor
+						.newInstance(new Object[] { gurlType, gurlType,
+								aeTarget, kAutoGenerateReturnID,
+								kAnyTransactionID });
+				// Don't set browser = appleEvent because then the next time we
+				// call
+				// locateBrowser(), we'll get the same AppleEvent, to which
+				// we'll already have
+				// added the relevant parameter. Instead, regenerate the
+				// AppleEvent every time.
+				// There's probably a way to do this better; if any has any
+				// ideas, please let
+				// me know.
+				return appleEvent;
+			} catch (IllegalAccessException iae) {
+				browser = null;
+				errorMessage = iae.getMessage();
+				return browser;
+			} catch (InstantiationException ie) {
+				browser = null;
+				errorMessage = ie.getMessage();
+				return browser;
+			} catch (InvocationTargetException ite) {
+				browser = null;
+				errorMessage = ite.getMessage();
+				return browser;
+			}
+		case MRJ_2_1:
+			File systemFolder;
+			try {
+				systemFolder = (File) findFolder.invoke(null,
+						new Object[] { kSystemFolderType });
+			} catch (IllegalArgumentException iare) {
+				browser = null;
+				errorMessage = iare.getMessage();
+				return browser;
+			} catch (IllegalAccessException iae) {
+				browser = null;
+				errorMessage = iae.getMessage();
+				return browser;
+			} catch (InvocationTargetException ite) {
+				browser = null;
+				errorMessage = ite.getTargetException().getClass()
+						+ ": " + ite.getTargetException().getMessage(); //$NON-NLS-1$
+				return browser;
+			}
+			String[] systemFolderFiles = systemFolder.list();
+			// Avoid a FilenameFilter because that can't be stopped mid-list
+			for (int i = 0; i < systemFolderFiles.length; i++) {
 				try {
-					systemFolder = (File) findFolder.invoke(null, new Object[] { kSystemFolderType });
+					File file = new File(systemFolder, systemFolderFiles[i]);
+					if (!file.isFile()) {
+						continue;
+					}
+					// We're looking for a file with a creator code of 'MACS'
+					// and
+					// a type of 'FNDR'. Only requiring the type results in
+					// non-Finder
+					// applications being picked up on certain Mac OS 9 systems,
+					// especially German ones, and sending a GURL event to those
+					// applications results in a logout under Multiple Users.
+					Object fileType = getFileType.invoke(null,
+							new Object[] { file });
+					if (FINDER_TYPE.equals(fileType.toString())) {
+						Object fileCreator = getFileCreator.invoke(null,
+								new Object[] { file });
+						if (FINDER_CREATOR.equals(fileCreator.toString())) {
+							browser = file.toString(); // Actually the Finder,
+														// but that's OK
+							return browser;
+						}
+					}
 				} catch (IllegalArgumentException iare) {
-					browser = null;
 					errorMessage = iare.getMessage();
-					return browser;
+					return null;
 				} catch (IllegalAccessException iae) {
 					browser = null;
 					errorMessage = iae.getMessage();
 					return browser;
 				} catch (InvocationTargetException ite) {
 					browser = null;
-					errorMessage = ite.getTargetException().getClass() + ": " + ite.getTargetException().getMessage();
+					errorMessage = ite.getTargetException().getClass()
+							+ ": " + ite.getTargetException().getMessage(); //$NON-NLS-1$
 					return browser;
 				}
-				String[] systemFolderFiles = systemFolder.list();
-				// Avoid a FilenameFilter because that can't be stopped mid-list
-				for(int i = 0; i < systemFolderFiles.length; i++) {
-					try {
-						File file = new File(systemFolder, systemFolderFiles[i]);
-						if (!file.isFile()) {
-							continue;
-						}
-						// We're looking for a file with a creator code of 'MACS' and
-						// a type of 'FNDR'.  Only requiring the type results in non-Finder
-						// applications being picked up on certain Mac OS 9 systems,
-						// especially German ones, and sending a GURL event to those
-						// applications results in a logout under Multiple Users.
-						Object fileType = getFileType.invoke(null, new Object[] { file });
-						if (FINDER_TYPE.equals(fileType.toString())) {
-							Object fileCreator = getFileCreator.invoke(null, new Object[] { file });
-							if (FINDER_CREATOR.equals(fileCreator.toString())) {
-								browser = file.toString();	// Actually the Finder, but that's OK
-								return browser;
-							}
-						}
-					} catch (IllegalArgumentException iare) {
-						browser = browser;
-						errorMessage = iare.getMessage();
-						return null;
-					} catch (IllegalAccessException iae) {
-						browser = null;
-						errorMessage = iae.getMessage();
-						return browser;
-					} catch (InvocationTargetException ite) {
-						browser = null;
-						errorMessage = ite.getTargetException().getClass() + ": " + ite.getTargetException().getMessage();
-						return browser;
-					}
-				}
-				browser = null;
-				break;
-			case MRJ_3_0:
-			case MRJ_3_1:
-				browser = "";	// Return something non-null
-				break;
-			case WINDOWS_NT:
-				browser = "cmd.exe";
-				break;
-			case WINDOWS_9x:
-				browser = "command.com";
-				break;
-			case OTHER:
-			default:
-				browser = "netscape";
-				break;
+			}
+			browser = null;
+			break;
+		case MRJ_3_0:
+		case MRJ_3_1:
+			browser = ""; // Return something non-null //$NON-NLS-1$
+			break;
+		case WINDOWS_NT:
+			browser = "cmd.exe"; //$NON-NLS-1$
+			break;
+		case WINDOWS_9x:
+			browser = "command.com"; //$NON-NLS-1$
+			break;
+		case OTHER:
+		default:
+			// browser = "netscape";
+			String[] _browsers = { "firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
+			browser = null;
+			for ( int cnt = 0; cnt < _browsers.length && browser == null; cnt++ ) {
+			  try {
+			    if ( Runtime.getRuntime().exec( new String[] { "which", _browsers[cnt]} ).waitFor() == 0 )
+			      browser = _browsers[cnt];	
+			    } catch ( Exception e ) {
+			  }
+			}
+			break;
 		}
 		return browser;
 	}
 
 	/**
 	 * Attempts to open the default web browser to the given URL.
-	 * @param url The URL to open
-	 * @throws IOException If the web browser could not be located or does not run
+	 * 
+	 * @param url
+	 *            The URL to open
+	 * @throws IOException
+	 *             If the web browser could not be located or does not run
 	 */
 	public static void openURL(String url) throws IOException {
 		if (!loadedWithoutErrors) {
-			throw new IOException("Exception in finding browser: " + errorMessage);
+			throw new IOException(
+					"Exception in finding browser: " + errorMessage); //$NON-NLS-1$
 		}
-		Object browser = locateBrowser();
-		if (browser == null) {
-			throw new IOException("Unable to locate browser: " + errorMessage);
+		Object _browser = locateBrowser();
+		if (_browser == null) {
+			throw new IOException("Unable to locate browser: " + errorMessage); //$NON-NLS-1$
 		}
-		
 		switch (jvm) {
-			case MRJ_2_0:
-				Object aeDesc = null;
-				try {
-					aeDesc = aeDescConstructor.newInstance(new Object[] { url });
-					putParameter.invoke(browser, new Object[] { keyDirectObject, aeDesc });
-					sendNoReply.invoke(browser, new Object[] { });
-				} catch (InvocationTargetException ite) {
-					throw new IOException("InvocationTargetException while creating AEDesc: " + ite.getMessage());
-				} catch (IllegalAccessException iae) {
-					throw new IOException("IllegalAccessException while building AppleEvent: " + iae.getMessage());
-				} catch (InstantiationException ie) {
-					throw new IOException("InstantiationException while creating AEDesc: " + ie.getMessage());
-				} finally {
-					aeDesc = null;	// Encourage it to get disposed if it was created
-					browser = null;	// Ditto
-				}
-				break;
-			case MRJ_2_1:
-				Runtime.getRuntime().exec(new String[] { (String) browser, url } );
-				break;
-			case MRJ_3_0:
-				int[] instance = new int[1];
-				int result = ICStart(instance, 0);
+		case MRJ_2_0:
+			Object aeDesc = null;
+			try {
+				aeDesc = aeDescConstructor.newInstance(new Object[] { url });
+				putParameter.invoke(_browser, new Object[] { keyDirectObject,
+						aeDesc });
+				sendNoReply.invoke(_browser, new Object[] {});
+			} catch (InvocationTargetException ite) {
+				throw new IOException(
+						"InvocationTargetException while creating AEDesc: " + ite.getMessage()); //$NON-NLS-1$
+			} catch (IllegalAccessException iae) {
+				throw new IOException(
+						"IllegalAccessException while building AppleEvent: " + iae.getMessage()); //$NON-NLS-1$
+			} catch (InstantiationException ie) {
+				throw new IOException(
+						"InstantiationException while creating AEDesc: " + ie.getMessage()); //$NON-NLS-1$
+			} finally {
+				aeDesc = null; // Encourage it to get disposed if it was
+								// created
+				_browser = null; // Ditto
+			}
+			break;
+		case MRJ_2_1:
+			Runtime.getRuntime().exec(new String[] { (String) _browser, url });
+			break;
+		case MRJ_3_0:
+			int[] instance = new int[1];
+			int result = ICStart(instance, 0);
+			if (result == 0) {
+				int[] selectionStart = new int[] { 0 };
+				byte[] urlBytes = url.getBytes();
+				int[] selectionEnd = new int[] { urlBytes.length };
+				result = ICLaunchURL(instance[0], new byte[] { 0 }, urlBytes,
+						urlBytes.length, selectionStart, selectionEnd);
 				if (result == 0) {
-					int[] selectionStart = new int[] { 0 };
-					byte[] urlBytes = url.getBytes();
-					int[] selectionEnd = new int[] { urlBytes.length };
-					result = ICLaunchURL(instance[0], new byte[] { 0 }, urlBytes,
-											urlBytes.length, selectionStart,
-											selectionEnd);
-					if (result == 0) {
-						// Ignore the return value; the URL was launched successfully
-						// regardless of what happens here.
-						ICStop(instance);
-					} else {
-						throw new IOException("Unable to launch URL: " + result);
-					}
+					// Ignore the return value; the URL was launched
+					// successfully
+					// regardless of what happens here.
+					ICStop(instance);
 				} else {
-					throw new IOException("Unable to create an Internet Config instance: " + result);
-				}
-				break;
-			case MRJ_3_1:
-				try {
-					openURL.invoke(null, new Object[] { url });
-				} catch (InvocationTargetException ite) {
-					throw new IOException("InvocationTargetException while calling openURL: " + ite.getMessage());
-				} catch (IllegalAccessException iae) {
-					throw new IOException("IllegalAccessException while calling openURL: " + iae.getMessage());
-				}
-				break;
-		    case WINDOWS_NT:
-		    case WINDOWS_9x:
-		    	// Add quotes around the URL to allow ampersands and other special
-		    	// characters to work.
-				Process process = Runtime.getRuntime().exec(new String[] { (String) browser,
-																FIRST_WINDOWS_PARAMETER,
-																SECOND_WINDOWS_PARAMETER,
-																THIRD_WINDOWS_PARAMETER,
-																'"' + url + '"' });
-				// This avoids a memory leak on some versions of Java on Windows.
-				// That's hinted at in <http://developer.java.sun.com/developer/qow/archive/68/>.
-				try {
-					process.waitFor();
-					process.exitValue();
-				} catch (InterruptedException ie) {
-					throw new IOException("InterruptedException while launching browser: " + ie.getMessage());
-				}
-				break;
-			case OTHER:
-				// Assume that we're on Unix and that Netscape is installed
-				
-				// First, attempt to open the URL in a currently running session of Netscape
-				process = Runtime.getRuntime().exec(new String[] { (String) browser,
-													NETSCAPE_REMOTE_PARAMETER,
-													NETSCAPE_OPEN_PARAMETER_START +
-													url +
-													NETSCAPE_OPEN_PARAMETER_END });
-				try {
-					int exitCode = process.waitFor();
-					if (exitCode != 0) {	// if Netscape was not open
-						Runtime.getRuntime().exec(new String[] { (String) browser, url });
-					}
-				} catch (InterruptedException ie) {
-					throw new IOException("InterruptedException while launching browser: " + ie.getMessage());
+					throw new IOException("Unable to launch URL: " + result); //$NON-NLS-1$
 				}
-				break;
-			default:
-				// This should never occur, but if it does, we'll try the simplest thing possible
-				Runtime.getRuntime().exec(new String[] { (String) browser, url });
-				break;
+			} else {
+				throw new IOException(
+						"Unable to create an Internet Config instance: " + result); //$NON-NLS-1$
+			}
+			break;
+		case MRJ_3_1:
+			try {
+				openURL.invoke(null, new Object[] { url });
+			} catch (InvocationTargetException ite) {
+				throw new IOException(
+						"InvocationTargetException while calling openURL: " + ite.getMessage()); //$NON-NLS-1$
+			} catch (IllegalAccessException iae) {
+				throw new IOException(
+						"IllegalAccessException while calling openURL: " + iae.getMessage()); //$NON-NLS-1$
+			}
+			break;
+		case WINDOWS_NT:
+		case WINDOWS_9x:
+			// Add quotes around the URL to allow ampersands and other special
+			// characters to work.
+			Process process = Runtime.getRuntime().exec(
+					new String[] { (String) _browser, FIRST_WINDOWS_PARAMETER,
+							SECOND_WINDOWS_PARAMETER, THIRD_WINDOWS_PARAMETER,
+							'"' + url + '"' });
+			// This avoids a memory leak on some versions of Java on Windows.
+			// That's hinted at in
+			// <http://developer.java.sun.com/developer/qow/archive/68/>.
+			try {
+				process.waitFor();
+				process.exitValue();
+			} catch (InterruptedException ie) {
+				throw new IOException(
+						"InterruptedException while launching browser: " + ie.getMessage()); //$NON-NLS-1$
+			}
+			break;
+		case OTHER:
+			// Assume that we're on Unix and that Netscape is installed
+			// First, attempt to open the URL in a currently running session of
+			// Netscape
+			// process = Runtime.getRuntime().exec(new String[] { (String)
+			// browser,
+			// NETSCAPE_REMOTE_PARAMETER,
+			// NETSCAPE_OPEN_PARAMETER_START +
+			// url +
+			// NETSCAPE_OPEN_PARAMETER_END });
+			process = Runtime.getRuntime().exec(
+					new String[] { (String) _browser, url });
+
+			try {
+				int exitCode = process.waitFor();
+				if (exitCode != 0) { // if Netscape was not open
+					Runtime.getRuntime().exec(
+							new String[] { (String) _browser, url });
+				}
+			} catch (InterruptedException ie) {
+				throw new IOException(
+						"InterruptedException while launching browser: " + ie.getMessage()); //$NON-NLS-1$
+			}
+			break;
+		default:
+			// This should never occur, but if it does, we'll try the simplest
+			// thing possible
+			Runtime.getRuntime().exec(new String[] { (String) _browser, url });
+			break;
 		}
 	}
 
 	/**
-	 * Methods required for Mac OS X.  The presence of native methods does not cause
-	 * any problems on other platforms.
+	 * Methods required for Mac OS X. The presence of native methods does not
+	 * cause any problems on other platforms.
 	 */
 	private native static int ICStart(int[] instance, int signature);
+
 	private native static int ICStop(int[] instance);
-	private native static int ICLaunchURL(int instance, byte[] hint, byte[] data, int len,
-											int[] selectionStart, int[] selectionEnd);
+
+	private native static int ICLaunchURL(int instance, byte[] hint,
+			byte[] data, int len, int[] selectionStart, int[] selectionEnd);
 }
