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package org.tigr.util; |
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|
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import java.io.File; |
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import java.io.IOException; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.Field; |
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import java.lang.reflect.InvocationTargetException; |
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import java.lang.reflect.Method; |
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|
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/** |
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* BrowserLauncher is a class that provides one static method, openURL, which opens the default |
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* web browser for the current user of the system to the given URL. It may support other |
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* protocols depending on the system -- mailto, ftp, etc. -- but that has not been rigorously |
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* tested and is not guaranteed to work. |
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* <p> |
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* Yes, this is platform-specific code, and yes, it may rely on classes on certain platforms |
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* that are not part of the standard JDK. What we're trying to do, though, is to take something |
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* that's frequently desirable but inherently platform-specific -- opening a default browser -- |
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* and allow programmers (you, for example) to do so without worrying about dropping into native |
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* code or doing anything else similarly evil. |
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* <p> |
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* Anyway, this code is completely in Java and will run on all JDK 1.1-compliant systems without |
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* modification or a need for additional libraries. All classes that are required on certain |
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* platforms to allow this to run are dynamically loaded at runtime via reflection and, if not |
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* found, will not cause this to do anything other than returning an error when opening the |
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* browser. |
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* <p> |
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* There are certain system requirements for this class, as it's running through Runtime.exec(), |
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* which is Java's way of making a native system call. Currently, this requires that a Macintosh |
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* have a Finder which supports the GURL event, which is true for Mac OS 8.0 and 8.1 systems that |
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* have the Internet Scripting AppleScript dictionary installed in the Scripting Additions folder |
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* in the Extensions folder (which is installed by default as far as I know under Mac OS 8.0 and |
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* 8.1), and for all Mac OS 8.5 and later systems. On Windows, it only runs under Win32 systems |
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* (Windows 95, 98, and NT 4.0, as well as later versions of all). On other systems, this drops |
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* back from the inherently platform-sensitive concept of a default browser and simply attempts |
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* to launch Netscape via a shell command. |
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* <p> |
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* This code is Copyright 1999-2001 by Eric Albert (ejalbert@cs.stanford.edu) and may be |
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* redistributed or modified in any form without restrictions as long as the portion of this |
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* comment from this paragraph through the end of the comment is not removed. The author |
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* requests that he be notified of any application, applet, or other binary that makes use of |
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* this code, but that's more out of curiosity than anything and is not required. This software |
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* includes no warranty. The author is not repsonsible for any loss of data or functionality |
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* or any adverse or unexpected effects of using this software. |
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* <p> |
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* Credits: |
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* <br>Steven Spencer, JavaWorld magazine (<a href="http://www.javaworld.com/javaworld/javatips/jw-javatip66.html">Java Tip 66</a>) |
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* <br>Thanks also to Ron B. Yeh, Eric Shapiro, Ben Engber, Paul Teitlebaum, Andrea Cantatore, |
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* Larry Barowski, Trevor Bedzek, Frank Miedrich, and Ron Rabakukk |
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* |
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* @author Eric Albert (<a href="mailto:ejalbert@cs.stanford.edu">ejalbert@cs.stanford.edu</a>) |
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* @version 1.4b1 (Released June 20, 2001) |
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*/ |
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public class BrowserLauncher { |
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|
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/** |
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* The Java virtual machine that we are running on. Actually, in most cases we only care |
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* about the operating system, but some operating systems require us to switch on the VM. */ |
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private static int jvm; |
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|
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/** The browser for the system */ |
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private static Object browser; |
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|
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/** |
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* Caches whether any classes, methods, and fields that are not part of the JDK and need to |
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* be dynamically loaded at runtime loaded successfully. |
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* <p> |
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* Note that if this is <code>false</code>, <code>openURL()</code> will always return an |
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* IOException. |
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*/ |
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private static boolean loadedWithoutErrors; |
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|
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/** The com.apple.mrj.MRJFileUtils class */ |
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private static Class mrjFileUtilsClass; |
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|
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/** The com.apple.mrj.MRJOSType class */ |
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private static Class mrjOSTypeClass; |
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|
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/** The com.apple.MacOS.AEDesc class */ |
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private static Class aeDescClass; |
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|
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/** The <init>(int) method of com.apple.MacOS.AETarget */ |
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private static Constructor aeTargetConstructor; |
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|
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/** The <init>(int, int, int) method of com.apple.MacOS.AppleEvent */ |
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private static Constructor appleEventConstructor; |
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|
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/** The <init>(String) method of com.apple.MacOS.AEDesc */ |
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private static Constructor aeDescConstructor; |
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|
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/** The findFolder method of com.apple.mrj.MRJFileUtils */ |
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private static Method findFolder; |
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|
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/** The getFileCreator method of com.apple.mrj.MRJFileUtils */ |
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private static Method getFileCreator; |
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|
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/** The getFileType method of com.apple.mrj.MRJFileUtils */ |
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private static Method getFileType; |
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|
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/** The openURL method of com.apple.mrj.MRJFileUtils */ |
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private static Method openURL; |
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|
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/** The makeOSType method of com.apple.MacOS.OSUtils */ |
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private static Method makeOSType; |
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|
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/** The putParameter method of com.apple.MacOS.AppleEvent */ |
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private static Method putParameter; |
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|
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/** The sendNoReply method of com.apple.MacOS.AppleEvent */ |
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private static Method sendNoReply; |
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|
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/** Actually an MRJOSType pointing to the System Folder on a Macintosh */ |
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private static Object kSystemFolderType; |
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|
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/** The keyDirectObject AppleEvent parameter type */ |
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private static Integer keyDirectObject; |
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|
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/** The kAutoGenerateReturnID AppleEvent code */ |
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private static Integer kAutoGenerateReturnID; |
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|
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/** The kAnyTransactionID AppleEvent code */ |
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private static Integer kAnyTransactionID; |
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|
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/** The linkage object required for JDirect 3 on Mac OS X. */ |
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private static Object linkage; |
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|
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/** The framework to reference on Mac OS X */ |
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private static final String JDirect_MacOSX = "/System/Library/Frameworks/Carbon.framework/Frameworks/HIToolbox.framework/HIToolbox"; |
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|
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/** JVM constant for MRJ 2.0 */ |
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private static final int MRJ_2_0 = 0; |
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|
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/** JVM constant for MRJ 2.1 or later */ |
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private static final int MRJ_2_1 = 1; |
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|
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/** JVM constant for Java on Mac OS X 10.0 (MRJ 3.0) */ |
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private static final int MRJ_3_0 = 3; |
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|
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/** JVM constant for MRJ 3.1 */ |
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private static final int MRJ_3_1 = 4; |
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|
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/** JVM constant for any Windows NT JVM */ |
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private static final int WINDOWS_NT = 5; |
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|
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/** JVM constant for any Windows 9x JVM */ |
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private static final int WINDOWS_9x = 6; |
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|
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/** JVM constant for any other platform */ |
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private static final int OTHER = -1; |
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|
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/** |
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* The file type of the Finder on a Macintosh. Hardcoding "Finder" would keep non-U.S. English |
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* systems from working properly. |
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*/ |
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private static final String FINDER_TYPE = "FNDR"; |
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|
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/** |
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* The creator code of the Finder on a Macintosh, which is needed to send AppleEvents to the |
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* application. |
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*/ |
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private static final String FINDER_CREATOR = "MACS"; |
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|
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/** The name for the AppleEvent type corresponding to a GetURL event. */ |
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164 |
private static final String GURL_EVENT = "GURL"; |
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|
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/** |
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* The first parameter that needs to be passed into Runtime.exec() to open the default web |
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* browser on Windows. |
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169 |
*/ |
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private static final String FIRST_WINDOWS_PARAMETER = "/c"; |
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|
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/** The second parameter for Runtime.exec() on Windows. */ |
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private static final String SECOND_WINDOWS_PARAMETER = "start"; |
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|
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/** |
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* The third parameter for Runtime.exec() on Windows. This is a "title" |
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* parameter that the command line expects. Setting this parameter allows |
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* URLs containing spaces to work. |
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179 |
*/ |
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private static final String THIRD_WINDOWS_PARAMETER = "\"\""; |
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181 |
|
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182 |
/** |
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* The shell parameters for Netscape that opens a given URL in an already-open copy of Netscape |
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* on many command-line systems. |
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185 |
*/ |
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private static final String NETSCAPE_REMOTE_PARAMETER = "-remote"; |
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private static final String NETSCAPE_OPEN_PARAMETER_START = "'openURL("; |
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private static final String NETSCAPE_OPEN_PARAMETER_END = ")'"; |
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189 |
|
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190 |
/** |
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* The message from any exception thrown throughout the initialization process. |
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26 Feb 07 |
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192 |
*/ |
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26 Feb 07 |
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193 |
private static String errorMessage; |
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194 |
|
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26 Feb 07 |
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195 |
/** |
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* An initialization block that determines the operating system and loads the necessary |
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26 Feb 07 |
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* runtime data. |
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26 Feb 07 |
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198 |
*/ |
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static { |
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26 Feb 07 |
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loadedWithoutErrors = true; |
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26 Feb 07 |
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String osName = System.getProperty("os.name"); |
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26 Feb 07 |
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202 |
if (osName.startsWith("Mac OS")) { |
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26 Feb 07 |
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203 |
String mrjVersion = System.getProperty("mrj.version"); |
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26 Feb 07 |
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204 |
String majorMRJVersion = mrjVersion.substring(0, 3); |
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205 |
try { |
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double version = Double.valueOf(majorMRJVersion).doubleValue(); |
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26 Feb 07 |
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207 |
if (version == 2) { |
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jvm = MRJ_2_0; |
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26 Feb 07 |
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209 |
} else if (version >= 2.1 && version < 3) { |
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// Assume that all 2.x versions of MRJ work the same. MRJ 2.1 actually |
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// works via Runtime.exec() and 2.2 supports that but has an openURL() method |
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// as well that we currently ignore. |
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213 |
jvm = MRJ_2_1; |
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26 Feb 07 |
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214 |
} else if (version == 3.0) { |
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jvm = MRJ_3_0; |
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26 Feb 07 |
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216 |
} else if (version >= 3.1) { |
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// Assume that all 3.1 and later versions of MRJ work the same. |
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26 Feb 07 |
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218 |
jvm = MRJ_3_1; |
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26 Feb 07 |
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219 |
} else { |
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26 Feb 07 |
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220 |
loadedWithoutErrors = false; |
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26 Feb 07 |
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221 |
errorMessage = "Unsupported MRJ version: " + version; |
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26 Feb 07 |
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222 |
} |
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26 Feb 07 |
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223 |
} catch (NumberFormatException nfe) { |
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26 Feb 07 |
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224 |
loadedWithoutErrors = false; |
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26 Feb 07 |
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errorMessage = "Invalid MRJ version: " + mrjVersion; |
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26 Feb 07 |
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226 |
} |
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26 Feb 07 |
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227 |
} else if (osName.startsWith("Windows")) { |
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228 |
if (osName.indexOf("9") != -1) { |
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26 Feb 07 |
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229 |
jvm = WINDOWS_9x; |
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26 Feb 07 |
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230 |
} else { |
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26 Feb 07 |
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231 |
jvm = WINDOWS_NT; |
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232 |
} |
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26 Feb 07 |
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233 |
} else { |
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26 Feb 07 |
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jvm = OTHER; |
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26 Feb 07 |
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235 |
} |
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26 Feb 07 |
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236 |
|
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26 Feb 07 |
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237 |
if (loadedWithoutErrors) { // if we haven't hit any errors yet |
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26 Feb 07 |
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238 |
loadedWithoutErrors = loadClasses(); |
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26 Feb 07 |
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239 |
} |
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26 Feb 07 |
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240 |
} |
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26 Feb 07 |
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241 |
|
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26 Feb 07 |
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242 |
/** |
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26 Feb 07 |
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* This class should be never be instantiated; this just ensures so. |
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26 Feb 07 |
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244 |
*/ |
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26 Feb 07 |
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245 |
private BrowserLauncher() { } |
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26 Feb 07 |
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246 |
|
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26 Feb 07 |
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247 |
/** |
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26 Feb 07 |
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* Called by a static initializer to load any classes, fields, and methods required at runtime |
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26 Feb 07 |
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* to locate the user's web browser. |
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26 Feb 07 |
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* @return <code>true</code> if all intialization succeeded |
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26 Feb 07 |
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* <code>false</code> if any portion of the initialization failed |
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26 Feb 07 |
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252 |
*/ |
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26 Feb 07 |
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253 |
private static boolean loadClasses() { |
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26 Feb 07 |
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254 |
switch (jvm) { |
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26 Feb 07 |
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255 |
case MRJ_2_0: |
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26 Feb 07 |
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256 |
try { |
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26 Feb 07 |
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257 |
Class aeTargetClass = Class.forName("com.apple.MacOS.AETarget"); |
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26 Feb 07 |
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258 |
Class osUtilsClass = Class.forName("com.apple.MacOS.OSUtils"); |
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26 Feb 07 |
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259 |
Class appleEventClass = Class.forName("com.apple.MacOS.AppleEvent"); |
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26 Feb 07 |
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260 |
Class aeClass = Class.forName("com.apple.MacOS.ae"); |
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26 Feb 07 |
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261 |
aeDescClass = Class.forName("com.apple.MacOS.AEDesc"); |
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26 Feb 07 |
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262 |
|
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26 Feb 07 |
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263 |
aeTargetConstructor = aeTargetClass.getDeclaredConstructor(new Class [] { int.class }); |
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26 Feb 07 |
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264 |
appleEventConstructor = appleEventClass.getDeclaredConstructor(new Class[] { int.class, int.class, aeTargetClass, int.class, int.class }); |
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26 Feb 07 |
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265 |
aeDescConstructor = aeDescClass.getDeclaredConstructor(new Class[] { String.class }); |
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26 Feb 07 |
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266 |
|
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26 Feb 07 |
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267 |
makeOSType = osUtilsClass.getDeclaredMethod("makeOSType", new Class [] { String.class }); |
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26 Feb 07 |
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268 |
putParameter = appleEventClass.getDeclaredMethod("putParameter", new Class[] { int.class, aeDescClass }); |
2 |
26 Feb 07 |
jari |
269 |
sendNoReply = appleEventClass.getDeclaredMethod("sendNoReply", new Class[] { }); |
2 |
26 Feb 07 |
jari |
270 |
|
2 |
26 Feb 07 |
jari |
271 |
Field keyDirectObjectField = aeClass.getDeclaredField("keyDirectObject"); |
2 |
26 Feb 07 |
jari |
272 |
keyDirectObject = (Integer) keyDirectObjectField.get(null); |
2 |
26 Feb 07 |
jari |
273 |
Field autoGenerateReturnIDField = appleEventClass.getDeclaredField("kAutoGenerateReturnID"); |
2 |
26 Feb 07 |
jari |
274 |
kAutoGenerateReturnID = (Integer) autoGenerateReturnIDField.get(null); |
2 |
26 Feb 07 |
jari |
275 |
Field anyTransactionIDField = appleEventClass.getDeclaredField("kAnyTransactionID"); |
2 |
26 Feb 07 |
jari |
276 |
kAnyTransactionID = (Integer) anyTransactionIDField.get(null); |
2 |
26 Feb 07 |
jari |
277 |
} catch (ClassNotFoundException cnfe) { |
2 |
26 Feb 07 |
jari |
278 |
errorMessage = cnfe.getMessage(); |
2 |
26 Feb 07 |
jari |
279 |
return false; |
2 |
26 Feb 07 |
jari |
280 |
} catch (NoSuchMethodException nsme) { |
2 |
26 Feb 07 |
jari |
281 |
errorMessage = nsme.getMessage(); |
2 |
26 Feb 07 |
jari |
282 |
return false; |
2 |
26 Feb 07 |
jari |
283 |
} catch (NoSuchFieldException nsfe) { |
2 |
26 Feb 07 |
jari |
284 |
errorMessage = nsfe.getMessage(); |
2 |
26 Feb 07 |
jari |
285 |
return false; |
2 |
26 Feb 07 |
jari |
286 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
287 |
errorMessage = iae.getMessage(); |
2 |
26 Feb 07 |
jari |
288 |
return false; |
2 |
26 Feb 07 |
jari |
289 |
} |
2 |
26 Feb 07 |
jari |
290 |
break; |
2 |
26 Feb 07 |
jari |
291 |
case MRJ_2_1: |
2 |
26 Feb 07 |
jari |
292 |
try { |
2 |
26 Feb 07 |
jari |
293 |
mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils"); |
2 |
26 Feb 07 |
jari |
294 |
mrjOSTypeClass = Class.forName("com.apple.mrj.MRJOSType"); |
2 |
26 Feb 07 |
jari |
295 |
Field systemFolderField = mrjFileUtilsClass.getDeclaredField("kSystemFolderType"); |
2 |
26 Feb 07 |
jari |
296 |
kSystemFolderType = systemFolderField.get(null); |
2 |
26 Feb 07 |
jari |
297 |
findFolder = mrjFileUtilsClass.getDeclaredMethod("findFolder", new Class[] { mrjOSTypeClass }); |
2 |
26 Feb 07 |
jari |
298 |
getFileCreator = mrjFileUtilsClass.getDeclaredMethod("getFileCreator", new Class[] { File.class }); |
2 |
26 Feb 07 |
jari |
299 |
getFileType = mrjFileUtilsClass.getDeclaredMethod("getFileType", new Class[] { File.class }); |
2 |
26 Feb 07 |
jari |
300 |
} catch (ClassNotFoundException cnfe) { |
2 |
26 Feb 07 |
jari |
301 |
errorMessage = cnfe.getMessage(); |
2 |
26 Feb 07 |
jari |
302 |
return false; |
2 |
26 Feb 07 |
jari |
303 |
} catch (NoSuchFieldException nsfe) { |
2 |
26 Feb 07 |
jari |
304 |
errorMessage = nsfe.getMessage(); |
2 |
26 Feb 07 |
jari |
305 |
return false; |
2 |
26 Feb 07 |
jari |
306 |
} catch (NoSuchMethodException nsme) { |
2 |
26 Feb 07 |
jari |
307 |
errorMessage = nsme.getMessage(); |
2 |
26 Feb 07 |
jari |
308 |
return false; |
2 |
26 Feb 07 |
jari |
309 |
} catch (SecurityException se) { |
2 |
26 Feb 07 |
jari |
310 |
errorMessage = se.getMessage(); |
2 |
26 Feb 07 |
jari |
311 |
return false; |
2 |
26 Feb 07 |
jari |
312 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
313 |
errorMessage = iae.getMessage(); |
2 |
26 Feb 07 |
jari |
314 |
return false; |
2 |
26 Feb 07 |
jari |
315 |
} |
2 |
26 Feb 07 |
jari |
316 |
break; |
2 |
26 Feb 07 |
jari |
317 |
case MRJ_3_0: |
2 |
26 Feb 07 |
jari |
318 |
try { |
2 |
26 Feb 07 |
jari |
319 |
Class linker = Class.forName("com.apple.mrj.jdirect.Linker"); |
2 |
26 Feb 07 |
jari |
320 |
Constructor constructor = linker.getConstructor(new Class[]{ Class.class }); |
2 |
26 Feb 07 |
jari |
321 |
linkage = constructor.newInstance(new Object[] { BrowserLauncher.class }); |
2 |
26 Feb 07 |
jari |
322 |
} catch (ClassNotFoundException cnfe) { |
2 |
26 Feb 07 |
jari |
323 |
errorMessage = cnfe.getMessage(); |
2 |
26 Feb 07 |
jari |
324 |
return false; |
2 |
26 Feb 07 |
jari |
325 |
} catch (NoSuchMethodException nsme) { |
2 |
26 Feb 07 |
jari |
326 |
errorMessage = nsme.getMessage(); |
2 |
26 Feb 07 |
jari |
327 |
return false; |
2 |
26 Feb 07 |
jari |
328 |
} catch (InvocationTargetException ite) { |
2 |
26 Feb 07 |
jari |
329 |
errorMessage = ite.getMessage(); |
2 |
26 Feb 07 |
jari |
330 |
return false; |
2 |
26 Feb 07 |
jari |
331 |
} catch (InstantiationException ie) { |
2 |
26 Feb 07 |
jari |
332 |
errorMessage = ie.getMessage(); |
2 |
26 Feb 07 |
jari |
333 |
return false; |
2 |
26 Feb 07 |
jari |
334 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
335 |
errorMessage = iae.getMessage(); |
2 |
26 Feb 07 |
jari |
336 |
return false; |
2 |
26 Feb 07 |
jari |
337 |
} |
2 |
26 Feb 07 |
jari |
338 |
break; |
2 |
26 Feb 07 |
jari |
339 |
case MRJ_3_1: |
2 |
26 Feb 07 |
jari |
340 |
try { |
2 |
26 Feb 07 |
jari |
341 |
mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils"); |
2 |
26 Feb 07 |
jari |
342 |
openURL = mrjFileUtilsClass.getDeclaredMethod("openURL", new Class[] { String.class }); |
2 |
26 Feb 07 |
jari |
343 |
} catch (ClassNotFoundException cnfe) { |
2 |
26 Feb 07 |
jari |
344 |
errorMessage = cnfe.getMessage(); |
2 |
26 Feb 07 |
jari |
345 |
return false; |
2 |
26 Feb 07 |
jari |
346 |
} catch (NoSuchMethodException nsme) { |
2 |
26 Feb 07 |
jari |
347 |
errorMessage = nsme.getMessage(); |
2 |
26 Feb 07 |
jari |
348 |
return false; |
2 |
26 Feb 07 |
jari |
349 |
} |
2 |
26 Feb 07 |
jari |
350 |
break; |
2 |
26 Feb 07 |
jari |
351 |
default: |
2 |
26 Feb 07 |
jari |
352 |
break; |
2 |
26 Feb 07 |
jari |
353 |
} |
2 |
26 Feb 07 |
jari |
354 |
return true; |
2 |
26 Feb 07 |
jari |
355 |
} |
2 |
26 Feb 07 |
jari |
356 |
|
2 |
26 Feb 07 |
jari |
357 |
/** |
2 |
26 Feb 07 |
jari |
* Attempts to locate the default web browser on the local system. Caches results so it |
2 |
26 Feb 07 |
jari |
* only locates the browser once for each use of this class per JVM instance. |
2 |
26 Feb 07 |
jari |
* @return The browser for the system. Note that this may not be what you would consider |
2 |
26 Feb 07 |
jari |
* to be a standard web browser; instead, it's the application that gets called to |
2 |
26 Feb 07 |
jari |
* open the default web browser. In some cases, this will be a non-String object |
2 |
26 Feb 07 |
jari |
* that provides the means of calling the default browser. |
2 |
26 Feb 07 |
jari |
364 |
*/ |
2 |
26 Feb 07 |
jari |
365 |
private static Object locateBrowser() { |
2 |
26 Feb 07 |
jari |
366 |
if (browser != null) { |
2 |
26 Feb 07 |
jari |
367 |
return browser; |
2 |
26 Feb 07 |
jari |
368 |
} |
2 |
26 Feb 07 |
jari |
369 |
switch (jvm) { |
2 |
26 Feb 07 |
jari |
370 |
case MRJ_2_0: |
2 |
26 Feb 07 |
jari |
371 |
try { |
2 |
26 Feb 07 |
jari |
372 |
Integer finderCreatorCode = (Integer) makeOSType.invoke(null, new Object[] { FINDER_CREATOR }); |
2 |
26 Feb 07 |
jari |
373 |
Object aeTarget = aeTargetConstructor.newInstance(new Object[] { finderCreatorCode }); |
2 |
26 Feb 07 |
jari |
374 |
Integer gurlType = (Integer) makeOSType.invoke(null, new Object[] { GURL_EVENT }); |
2 |
26 Feb 07 |
jari |
375 |
Object appleEvent = appleEventConstructor.newInstance(new Object[] { gurlType, gurlType, aeTarget, kAutoGenerateReturnID, kAnyTransactionID }); |
2 |
26 Feb 07 |
jari |
// Don't set browser = appleEvent because then the next time we call |
2 |
26 Feb 07 |
jari |
// locateBrowser(), we'll get the same AppleEvent, to which we'll already have |
2 |
26 Feb 07 |
jari |
// added the relevant parameter. Instead, regenerate the AppleEvent every time. |
2 |
26 Feb 07 |
jari |
// There's probably a way to do this better; if any has any ideas, please let |
2 |
26 Feb 07 |
jari |
// me know. |
2 |
26 Feb 07 |
jari |
381 |
return appleEvent; |
2 |
26 Feb 07 |
jari |
382 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
383 |
browser = null; |
2 |
26 Feb 07 |
jari |
384 |
errorMessage = iae.getMessage(); |
2 |
26 Feb 07 |
jari |
385 |
return browser; |
2 |
26 Feb 07 |
jari |
386 |
} catch (InstantiationException ie) { |
2 |
26 Feb 07 |
jari |
387 |
browser = null; |
2 |
26 Feb 07 |
jari |
388 |
errorMessage = ie.getMessage(); |
2 |
26 Feb 07 |
jari |
389 |
return browser; |
2 |
26 Feb 07 |
jari |
390 |
} catch (InvocationTargetException ite) { |
2 |
26 Feb 07 |
jari |
391 |
browser = null; |
2 |
26 Feb 07 |
jari |
392 |
errorMessage = ite.getMessage(); |
2 |
26 Feb 07 |
jari |
393 |
return browser; |
2 |
26 Feb 07 |
jari |
394 |
} |
2 |
26 Feb 07 |
jari |
395 |
case MRJ_2_1: |
2 |
26 Feb 07 |
jari |
396 |
File systemFolder; |
2 |
26 Feb 07 |
jari |
397 |
try { |
2 |
26 Feb 07 |
jari |
398 |
systemFolder = (File) findFolder.invoke(null, new Object[] { kSystemFolderType }); |
2 |
26 Feb 07 |
jari |
399 |
} catch (IllegalArgumentException iare) { |
2 |
26 Feb 07 |
jari |
400 |
browser = null; |
2 |
26 Feb 07 |
jari |
401 |
errorMessage = iare.getMessage(); |
2 |
26 Feb 07 |
jari |
402 |
return browser; |
2 |
26 Feb 07 |
jari |
403 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
404 |
browser = null; |
2 |
26 Feb 07 |
jari |
405 |
errorMessage = iae.getMessage(); |
2 |
26 Feb 07 |
jari |
406 |
return browser; |
2 |
26 Feb 07 |
jari |
407 |
} catch (InvocationTargetException ite) { |
2 |
26 Feb 07 |
jari |
408 |
browser = null; |
2 |
26 Feb 07 |
jari |
409 |
errorMessage = ite.getTargetException().getClass() + ": " + ite.getTargetException().getMessage(); |
2 |
26 Feb 07 |
jari |
410 |
return browser; |
2 |
26 Feb 07 |
jari |
411 |
} |
2 |
26 Feb 07 |
jari |
412 |
String[] systemFolderFiles = systemFolder.list(); |
2 |
26 Feb 07 |
jari |
// Avoid a FilenameFilter because that can't be stopped mid-list |
2 |
26 Feb 07 |
jari |
414 |
for(int i = 0; i < systemFolderFiles.length; i++) { |
2 |
26 Feb 07 |
jari |
415 |
try { |
2 |
26 Feb 07 |
jari |
416 |
File file = new File(systemFolder, systemFolderFiles[i]); |
2 |
26 Feb 07 |
jari |
417 |
if (!file.isFile()) { |
2 |
26 Feb 07 |
jari |
418 |
continue; |
2 |
26 Feb 07 |
jari |
419 |
} |
2 |
26 Feb 07 |
jari |
// We're looking for a file with a creator code of 'MACS' and |
2 |
26 Feb 07 |
jari |
// a type of 'FNDR'. Only requiring the type results in non-Finder |
2 |
26 Feb 07 |
jari |
// applications being picked up on certain Mac OS 9 systems, |
2 |
26 Feb 07 |
jari |
// especially German ones, and sending a GURL event to those |
2 |
26 Feb 07 |
jari |
// applications results in a logout under Multiple Users. |
2 |
26 Feb 07 |
jari |
425 |
Object fileType = getFileType.invoke(null, new Object[] { file }); |
2 |
26 Feb 07 |
jari |
426 |
if (FINDER_TYPE.equals(fileType.toString())) { |
2 |
26 Feb 07 |
jari |
427 |
Object fileCreator = getFileCreator.invoke(null, new Object[] { file }); |
2 |
26 Feb 07 |
jari |
428 |
if (FINDER_CREATOR.equals(fileCreator.toString())) { |
2 |
26 Feb 07 |
jari |
429 |
browser = file.toString(); // Actually the Finder, but that's OK |
2 |
26 Feb 07 |
jari |
430 |
return browser; |
2 |
26 Feb 07 |
jari |
431 |
} |
2 |
26 Feb 07 |
jari |
432 |
} |
2 |
26 Feb 07 |
jari |
433 |
} catch (IllegalArgumentException iare) { |
2 |
26 Feb 07 |
jari |
// no effect ?? browser = browser; |
2 |
26 Feb 07 |
jari |
435 |
errorMessage = iare.getMessage(); |
2 |
26 Feb 07 |
jari |
436 |
return null; |
2 |
26 Feb 07 |
jari |
437 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
438 |
browser = null; |
2 |
26 Feb 07 |
jari |
439 |
errorMessage = iae.getMessage(); |
2 |
26 Feb 07 |
jari |
440 |
return browser; |
2 |
26 Feb 07 |
jari |
441 |
} catch (InvocationTargetException ite) { |
2 |
26 Feb 07 |
jari |
442 |
browser = null; |
2 |
26 Feb 07 |
jari |
443 |
errorMessage = ite.getTargetException().getClass() + ": " + ite.getTargetException().getMessage(); |
2 |
26 Feb 07 |
jari |
444 |
return browser; |
2 |
26 Feb 07 |
jari |
445 |
} |
2 |
26 Feb 07 |
jari |
446 |
} |
2 |
26 Feb 07 |
jari |
447 |
browser = null; |
2 |
26 Feb 07 |
jari |
448 |
break; |
2 |
26 Feb 07 |
jari |
449 |
case MRJ_3_0: |
2 |
26 Feb 07 |
jari |
450 |
case MRJ_3_1: |
2 |
26 Feb 07 |
jari |
451 |
browser = ""; // Return something non-null |
2 |
26 Feb 07 |
jari |
452 |
break; |
2 |
26 Feb 07 |
jari |
453 |
case WINDOWS_NT: |
2 |
26 Feb 07 |
jari |
454 |
browser = "cmd.exe"; |
2 |
26 Feb 07 |
jari |
455 |
break; |
2 |
26 Feb 07 |
jari |
456 |
case WINDOWS_9x: |
2 |
26 Feb 07 |
jari |
457 |
browser = "command.com"; |
2 |
26 Feb 07 |
jari |
458 |
break; |
2 |
26 Feb 07 |
jari |
459 |
case OTHER: |
2 |
26 Feb 07 |
jari |
460 |
default: |
2 |
26 Feb 07 |
jari |
461 |
browser = "netscape"; |
2 |
26 Feb 07 |
jari |
462 |
break; |
2 |
26 Feb 07 |
jari |
463 |
} |
2 |
26 Feb 07 |
jari |
464 |
return browser; |
2 |
26 Feb 07 |
jari |
465 |
} |
2 |
26 Feb 07 |
jari |
466 |
|
2 |
26 Feb 07 |
jari |
467 |
/** |
2 |
26 Feb 07 |
jari |
* Attempts to open the default web browser to the given URL. |
2 |
26 Feb 07 |
jari |
* @param url The URL to open |
2 |
26 Feb 07 |
jari |
* @throws IOException If the web browser could not be located or does not run |
2 |
26 Feb 07 |
jari |
471 |
*/ |
2 |
26 Feb 07 |
jari |
472 |
public static void openURL(String url) throws IOException { |
2 |
26 Feb 07 |
jari |
473 |
if (!loadedWithoutErrors) { |
2 |
26 Feb 07 |
jari |
474 |
throw new IOException("Exception in finding browser: " + errorMessage); |
2 |
26 Feb 07 |
jari |
475 |
} |
2 |
26 Feb 07 |
jari |
476 |
Object browser = locateBrowser(); |
2 |
26 Feb 07 |
jari |
477 |
if (browser == null) { |
2 |
26 Feb 07 |
jari |
478 |
throw new IOException("Unable to locate browser: " + errorMessage); |
2 |
26 Feb 07 |
jari |
479 |
} |
2 |
26 Feb 07 |
jari |
480 |
|
2 |
26 Feb 07 |
jari |
481 |
switch (jvm) { |
2 |
26 Feb 07 |
jari |
482 |
case MRJ_2_0: |
2 |
26 Feb 07 |
jari |
483 |
Object aeDesc = null; |
2 |
26 Feb 07 |
jari |
484 |
try { |
2 |
26 Feb 07 |
jari |
485 |
aeDesc = aeDescConstructor.newInstance(new Object[] { url }); |
2 |
26 Feb 07 |
jari |
486 |
putParameter.invoke(browser, new Object[] { keyDirectObject, aeDesc }); |
2 |
26 Feb 07 |
jari |
487 |
sendNoReply.invoke(browser, new Object[] { }); |
2 |
26 Feb 07 |
jari |
488 |
} catch (InvocationTargetException ite) { |
2 |
26 Feb 07 |
jari |
489 |
throw new IOException("InvocationTargetException while creating AEDesc: " + ite.getMessage()); |
2 |
26 Feb 07 |
jari |
490 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
491 |
throw new IOException("IllegalAccessException while building AppleEvent: " + iae.getMessage()); |
2 |
26 Feb 07 |
jari |
492 |
} catch (InstantiationException ie) { |
2 |
26 Feb 07 |
jari |
493 |
throw new IOException("InstantiationException while creating AEDesc: " + ie.getMessage()); |
2 |
26 Feb 07 |
jari |
494 |
} finally { |
2 |
26 Feb 07 |
jari |
495 |
aeDesc = null; // Encourage it to get disposed if it was created |
2 |
26 Feb 07 |
jari |
496 |
browser = null; // Ditto |
2 |
26 Feb 07 |
jari |
497 |
} |
2 |
26 Feb 07 |
jari |
498 |
break; |
2 |
26 Feb 07 |
jari |
499 |
case MRJ_2_1: |
2 |
26 Feb 07 |
jari |
500 |
Runtime.getRuntime().exec(new String[] { (String) browser, url } ); |
2 |
26 Feb 07 |
jari |
501 |
break; |
2 |
26 Feb 07 |
jari |
502 |
case MRJ_3_0: |
2 |
26 Feb 07 |
jari |
503 |
int[] instance = new int[1]; |
2 |
26 Feb 07 |
jari |
504 |
int result = ICStart(instance, 0); |
2 |
26 Feb 07 |
jari |
505 |
if (result == 0) { |
2 |
26 Feb 07 |
jari |
506 |
int[] selectionStart = new int[] { 0 }; |
2 |
26 Feb 07 |
jari |
507 |
byte[] urlBytes = url.getBytes(); |
2 |
26 Feb 07 |
jari |
508 |
int[] selectionEnd = new int[] { urlBytes.length }; |
2 |
26 Feb 07 |
jari |
509 |
result = ICLaunchURL(instance[0], new byte[] { 0 }, urlBytes, |
2 |
26 Feb 07 |
jari |
510 |
urlBytes.length, selectionStart, |
2 |
26 Feb 07 |
jari |
511 |
selectionEnd); |
2 |
26 Feb 07 |
jari |
512 |
if (result == 0) { |
2 |
26 Feb 07 |
jari |
// Ignore the return value; the URL was launched successfully |
2 |
26 Feb 07 |
jari |
// regardless of what happens here. |
2 |
26 Feb 07 |
jari |
515 |
ICStop(instance); |
2 |
26 Feb 07 |
jari |
516 |
} else { |
2 |
26 Feb 07 |
jari |
517 |
throw new IOException("Unable to launch URL: " + result); |
2 |
26 Feb 07 |
jari |
518 |
} |
2 |
26 Feb 07 |
jari |
519 |
} else { |
2 |
26 Feb 07 |
jari |
520 |
throw new IOException("Unable to create an Internet Config instance: " + result); |
2 |
26 Feb 07 |
jari |
521 |
} |
2 |
26 Feb 07 |
jari |
522 |
break; |
2 |
26 Feb 07 |
jari |
523 |
case MRJ_3_1: |
2 |
26 Feb 07 |
jari |
524 |
try { |
2 |
26 Feb 07 |
jari |
525 |
openURL.invoke(null, new Object[] { url }); |
2 |
26 Feb 07 |
jari |
526 |
} catch (InvocationTargetException ite) { |
2 |
26 Feb 07 |
jari |
527 |
throw new IOException("InvocationTargetException while calling openURL: " + ite.getMessage()); |
2 |
26 Feb 07 |
jari |
528 |
} catch (IllegalAccessException iae) { |
2 |
26 Feb 07 |
jari |
529 |
throw new IOException("IllegalAccessException while calling openURL: " + iae.getMessage()); |
2 |
26 Feb 07 |
jari |
530 |
} |
2 |
26 Feb 07 |
jari |
531 |
break; |
2 |
26 Feb 07 |
jari |
532 |
case WINDOWS_NT: |
2 |
26 Feb 07 |
jari |
533 |
case WINDOWS_9x: |
2 |
26 Feb 07 |
jari |
// Add quotes around the URL to allow ampersands and other special |
2 |
26 Feb 07 |
jari |
// characters to work. |
2 |
26 Feb 07 |
jari |
536 |
Process process = Runtime.getRuntime().exec(new String[] { (String) browser, |
2 |
26 Feb 07 |
jari |
537 |
FIRST_WINDOWS_PARAMETER, |
2 |
26 Feb 07 |
jari |
538 |
SECOND_WINDOWS_PARAMETER, |
2 |
26 Feb 07 |
jari |
539 |
THIRD_WINDOWS_PARAMETER, |
2 |
26 Feb 07 |
jari |
540 |
'"' + url + '"' }); |
2 |
26 Feb 07 |
jari |
// This avoids a memory leak on some versions of Java on Windows. |
2 |
26 Feb 07 |
jari |
// That's hinted at in <http://developer.java.sun.com/developer/qow/archive/68/>. |
2 |
26 Feb 07 |
jari |
543 |
try { |
2 |
26 Feb 07 |
jari |
544 |
process.waitFor(); |
2 |
26 Feb 07 |
jari |
545 |
process.exitValue(); |
2 |
26 Feb 07 |
jari |
546 |
} catch (InterruptedException ie) { |
2 |
26 Feb 07 |
jari |
547 |
throw new IOException("InterruptedException while launching browser: " + ie.getMessage()); |
2 |
26 Feb 07 |
jari |
548 |
} |
2 |
26 Feb 07 |
jari |
549 |
break; |
2 |
26 Feb 07 |
jari |
550 |
case OTHER: |
2 |
26 Feb 07 |
jari |
// Assume that we're on Unix and that Netscape is installed |
2 |
26 Feb 07 |
jari |
552 |
|
2 |
26 Feb 07 |
jari |
// First, attempt to open the URL in a currently running session of Netscape |
2 |
26 Feb 07 |
jari |
554 |
process = Runtime.getRuntime().exec(new String[] { (String) browser, |
2 |
26 Feb 07 |
jari |
555 |
NETSCAPE_REMOTE_PARAMETER, |
2 |
26 Feb 07 |
jari |
556 |
NETSCAPE_OPEN_PARAMETER_START + |
2 |
26 Feb 07 |
jari |
557 |
url + |
2 |
26 Feb 07 |
jari |
558 |
NETSCAPE_OPEN_PARAMETER_END }); |
2 |
26 Feb 07 |
jari |
559 |
try { |
2 |
26 Feb 07 |
jari |
560 |
int exitCode = process.waitFor(); |
2 |
26 Feb 07 |
jari |
561 |
if (exitCode != 0) { // if Netscape was not open |
2 |
26 Feb 07 |
jari |
562 |
Runtime.getRuntime().exec(new String[] { (String) browser, url }); |
2 |
26 Feb 07 |
jari |
563 |
} |
2 |
26 Feb 07 |
jari |
564 |
} catch (InterruptedException ie) { |
2 |
26 Feb 07 |
jari |
565 |
throw new IOException("InterruptedException while launching browser: " + ie.getMessage()); |
2 |
26 Feb 07 |
jari |
566 |
} |
2 |
26 Feb 07 |
jari |
567 |
break; |
2 |
26 Feb 07 |
jari |
568 |
default: |
2 |
26 Feb 07 |
jari |
// This should never occur, but if it does, we'll try the simplest thing possible |
2 |
26 Feb 07 |
jari |
570 |
Runtime.getRuntime().exec(new String[] { (String) browser, url }); |
2 |
26 Feb 07 |
jari |
571 |
break; |
2 |
26 Feb 07 |
jari |
572 |
} |
2 |
26 Feb 07 |
jari |
573 |
} |
2 |
26 Feb 07 |
jari |
574 |
|
2 |
26 Feb 07 |
jari |
575 |
/** |
2 |
26 Feb 07 |
jari |
* Methods required for Mac OS X. The presence of native methods does not cause |
2 |
26 Feb 07 |
jari |
* any problems on other platforms. |
2 |
26 Feb 07 |
jari |
578 |
*/ |
2 |
26 Feb 07 |
jari |
579 |
private native static int ICStart(int[] instance, int signature); |
2 |
26 Feb 07 |
jari |
580 |
private native static int ICStop(int[] instance); |
2 |
26 Feb 07 |
jari |
581 |
private native static int ICLaunchURL(int instance, byte[] hint, byte[] data, int len, |
2 |
26 Feb 07 |
jari |
582 |
int[] selectionStart, int[] selectionEnd); |
2 |
26 Feb 07 |
jari |
583 |
} |