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Showing Web-Page in a Browser from Applikation ?
How can I open a Web Page in a Browser from a Java Applikation ?
I wanna send a URL from a Java Applikation to the default Browser on the System (e.g. IE, Communicator)!
Further more I want to decide if the page will open in a new
Browser-Window or in an old one!
Thanks for helping
I wanna send a URL from a Java Applikation to the default Browser on the System (e.g. IE, Communicator)!
Further more I want to decide if the page will open in a new
Browser-Window or in an old one!
Thanks for helping
Who is Participating?
mos, Use the java.lang.Runtime.exec command to invoke the browser, and send the page as a parameter. About displaying a URL in a currently open browser, there is no uniform way to do that. The communicator has an interface for 'remote activation' of URLs but the Explorer mechanizem is different. In any case hooking into these interfaces may prove to be quite complicated. The exec approach is probably more cost effective.
I comment this answer so that someone may answer better regarding the displaying of URLs in a currently open brawser.
G.
I comment this answer so that someone may answer better regarding the displaying of URLs in a currently open brawser.
G.
But how to get the "Default" browser program and it's pathname?
I think we need a native method to help us to find it out.
I think we need a native method to help us to find it out.
Threshold, you are right.
I really need a way to get the "default" browser and the possibility to open pages in an old window (preventing to open hundreds of different browser windows)!
So, how does the nativ method look like on a win32 system ?
I really need a way to get the "default" browser and the possibility to open pages in an old window (preventing to open hundreds of different browser windows)!
So, how does the nativ method look like on a win32 system ?
If you want it to run in NT....
In NT Resource Kit, You can find the tool(RegGet.exe... i forgot the name...) to get informations from NT Registry.
So. use the Runtime.exec() to run the tool.
First, you get the HKEY_CLASSES_ROOT/.html/Co
Second, you can find HKEY_CLASSES_ROOT/Metscape
C:\PROGRA~1\Netscape\COMMU
Then you can find the default browser to open .html file... and use Runtime.exec() to open any document with C:\....\netscape.exe
In NT Resource Kit, You can find the tool(RegGet.exe... i forgot the name...) to get informations from NT Registry.
So. use the Runtime.exec() to run the tool.
First, you get the HKEY_CLASSES_ROOT/.html/Co
Second, you can find HKEY_CLASSES_ROOT/Metscape
C:\PROGRA~1\Netscape\COMMU
Then you can find the default browser to open .html file... and use Runtime.exec() to open any document with C:\....\netscape.exe
[jdyer] - If the window handler is a must, than that may present a problem, since through JNI its not easy to get a HWND of the java application.
teh window handler is only the handler of the parent window. Thus, just send null, and the parent will be the desktop. How does that sound?
teh should be "the"
Sorry, so instead of above in my proposed answer, it SHOULD be
ShellExecute( null, "open", "http://www.yahoo.com", null, getProperties( "acl.write" ), 1 );
The First arg is null because we want the window's parent to be the desktop;
The Second arg is "open" because we want to open http://www.yahoo.com
The Third arg is "http://www.yahoo.com" because we want to connect to Yahoo! (this can be anything.
The Fourth arg is null because we don't want any parameters
The fifth is the current directory for the application, this can be anything really, I just chose the directory where applets can write to
The fifth is SW_SHOWNORMAL (which equals 1) because that is the type of window we want.
Hopefully that will clarify things a bit
Regards,
jdyer
Sorry, so instead of above in my proposed answer, it SHOULD be
ShellExecute( null, "open", "http://www.yahoo.com", null, getProperties( "acl.write" ), 1 );
The First arg is null because we want the window's parent to be the desktop;
The Second arg is "open" because we want to open http://www.yahoo.com
The Third arg is "http://www.yahoo.com" because we want to connect to Yahoo! (this can be anything.
The Fourth arg is null because we don't want any parameters
The fifth is the current directory for the application, this can be anything really, I just chose the directory where applets can write to
The fifth is SW_SHOWNORMAL (which equals 1) because that is the type of window we want.
Hopefully that will clarify things a bit
Regards,
jdyer
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1. Load the library shell32.dll in the Windows System directory
2. Call HINSTANCE ShellExecute(
HWND hwnd, // handle to parent window
LPCTSTR lpOperation, // pointer to string that specifies operation to perform
LPCTSTR lpFile, // pointer to filename or folder name string
LPCTSTR lpParameters, // pointer to string that specifies executable-file parameters
LPCTSTR lpDirectory, // pointer to string that specifies default directory
INT nShowCmd // whether file is shown when opened
);
Parameters
hwnd
Specifies a parent window. This window receives any message boxes that an application produces. For example, an application may report an error by producing a message box.
lpOperation
Pointer to a null-terminated string that specifies the operation to perform. The following operation strings are valid:
String Meaning
"open" The function opens the file specified by lpFile. The file can be an executable file or a document file.Windows 95 only: The file can be a Windows 95 folder to open.
"print" The function prints the file specified by lpFile. The file should be a document file. If the file is an executable file, the function opens the file, as if "open" had been specified.
"explore" Windows 95 only: The function explores the folder specified by lpFile.
The lpOperation parameter can be NULL. In that case, the function opens the file specified by lpFile.
lpFile
Pointer to a null-terminated string that specifies the file to open or print. The function can open an executable file or a document file. The function can print a document file.
Windows 95 only: lpFile can point to a null-terminated string that specifies a Windows 95 folder to open or explore.
lpParameters
If lpFile specifies an executable file, lpParameters is a pointer to a null-terminated string that specifies parameters to be passed to the application.
If lpFile specifies a document file, lpParameters should be NULL.
lpDirectory
Pointer to a null-terminated string that specifies the default directory.
nShowCmd
If lpFile specifies an executable file, nShowCmd specifies how the application is to be shown when it is opened. This parameter can be one of the following values:
Value Meaning
SW_HIDE Hides the window and activates another window.
SW_MAXIMIZE Maximizes the specified window.
SW_MINIMIZE Minimizes the specified window and activates the next top-level window in the Z order.
SW_RESTORE Activates and displays the window. If the window is minimized or maximized, Windows restores it to its original size and position. An application should specify this flag when restoring a minimized window.
SW_SHOW Activates the window and displays it in its current size and position.
SW_SHOWDEFAULT Sets the show state based on the SW_ flag specified in the STARTUPINFO structure passed to the CreateProcess function by the program that started the application. An application should call ShowWindow with this flag to set the initial show state of its main window.
SW_SHOWMAXIMIZED Activates the window and displays it as a maximized window.
SW_SHOWMINIMIZED Activates the window and displays it as a minimized window.
SW_SHOWMINNOACTIVE Displays the window as a minimized window. The active window remains active.
SW_SHOWNA Displays the window in its current state. The active window remains active.
SW_SHOWNOACTIVATE Displays a window in its most recent size and position. The active window remains active.
SW_SHOWNORMAL Activates and displays a window. If the window is minimized or maximized, Windows restores it to its original size and position. An application should specify this flag when displaying the window for the first time.
If lpFile specifies a document file, nShowCmd should be zero.
SW_SHOWNORMAL = 1 and that is what you will want to use.
FOR EXAMPLE:
ShellExecute( myApp, "http://www.yahoo.com", null, null, getProperties("acl.write")
would open up Yahoo! in the default browser, with the directory as whatever is in the properties file as acl.write. Hope this helps. Tell me if you need somemore info.
Regards,
jdyer