Icons jar file
Hi All,
We want to use a jar file for caching iconic gif files. We have made the jar file and made adjustments in formsweb.cfg.
When starting the application we see, in the jinitiator console, that our jar file is downloaded to the cache.
So far so good.
But after that we still see all the *.gif files downloaded seperatly:
Opening http://server1:1122/dev60icons/bin.gif
Connecting http://server1:1122/dev60icons/bin.gif with no proxy
Have we overlooked anything?
Please help it is very urgent.
Regards,
Joshua
Hi,
Just an Update!!!
From Metalink =>
Note:111923.1
Subject: How Do you know if Caching in Webforms is Working with f60all.jar?
You need to add the Dcache.verbose=true property to the jinitiator control panel, so that it shows you all the messages, that are hidden without this option set.
Explanation
1. Go to Start-> Programs -> jinitiator control panel <jinit version>. You will see a window called Oracle Jinitiator Properties.
2. Click on the Basic tab, in the jinitiator control panel.
3. There check the enable jinitiator and show java console.
4. See the JAVA RUN TIME PARAMETERS, item. The entries you will see as default -mx64m -Dcache.size=20000000 Here add the following parameter to enable debugging caching mechanism. -mx64m -Dcache.size=20000000 Dcache.verbose=true
Click on Apply button and close the jinitiator control panel. Before running the form, close and restart the browser window for changes to take affect. Now when you run the webform, you will see the following output in java console:
Case 1: jcache working
=======================
Oracle JInitiator version 1.1.7.18
Using JRE version 1.1.7.18o U
ser home directory = C:\WINNT\Profiles\Administrator Cache: JAR caching enabled.
Cache directory: C:\PROGRA~1\Oracle\JINITI~1.18\jcache Maximum cache size: 20000000 bytes Opening http://starinik-pc.us.oracle.com:80/forms60code/f60all.jar no proxy
==>Cache: Cache hit for http://starinik-pc.us.oracle.com:80/forms60code/f60all.jar ==>Opening http://starinik-pc.us.oracle.com:80/forms60code/javax/swing/JInternalFrame.class no proxy
==>Opening http://starinik-pc.us.oracle.com:80/forms60code/oracle/forms/registry/Registry.dat no proxy Opening http://starinik-pc.us.oracle.com:80/forms60code/oracle/forms/registry/default.dat no proxy connectMode=Socket serverHost=starinik-pc.us.oracle.com serverPort=9000 Forms Applet version is : 4
AppletViewer.onClose()
Note: If it says "cache hit ...", that means that the webform is going to use the local cached jar file.
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I current have a JAR file to store our application icons in the GIF format. The application also uses several images which I would prefer to be stored in the JAR file as JPG files.
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https://metalink.oracle.com/metalink/plsql/f?p=130:14:2109110130595761322::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,137397.1,1,1,1,helvetica
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//Creates all of the icon files used for the buttons
Icon fiftyCents = new ImageIcon("Fifty_Cents.gif");
Icon oneDollar = new ImageIcon("One_Dollar2.gif");
Icon twoDollar = new ImageIcon("Two_Dollar.gif");
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The actual URL you use is obtained (eg) from the Class method [getResource()|http://java.sun.com/javase/6/docs/api/java/lang/Class.html#getResource(java.lang.String)].
Suppose your Fifty_Cents.gif was in your jar file in the folder "images" then you could say:
Icon fiftyCents = new ImageIcon(getClass().getResource("/images/Fifty_Cents.gif");Note the use of forward slashes and the fact that Fifty_Cents.gif has to be capitalised exactly as it is within the jar file.
There are other ways of organising the resources - see the getResource() documentation for details. -
Hi ,
I have configured successfully and see some icons on buttons. Next day , i took the .jar file , copied it in \java folder and i have configured appropriately the formsweb.cfg file - calling this .jar file among others- according to my system (where the icons are displayed as wanted)...
But the icons are not appeared in the 'destination' computer.....
What may be the problem....????
Should i have to make an archive (jar file) in the 'destination' computer ... as i have done on my own...?????
NOTE: both computers run on Windows XP , and Dev10g have been installed....The only difference is that the one has Oracle10gXE... whereas the other Oracle10gEE
Many thanks,
SimonNote that the filenames within the JAR are case sensitive. So, if the files in the JAR have lowercase names, make sure the property in Forms also uses a lowercase name. Also remove the extension (if any) from the icon property in Forms.
If that's all ok and it still does not work, have a look at http://www.oracle.com/technology/products/forms/pdf/webicons.pdf. Looking at your question it seems you've done what the white paper says, but you never now what you might pick up from reading it (again). -
Forms - Icons without jar file
Hi!
I´m trying con configure my standalone weblogic (10.3.6), running in development mode,
to find my forms 11 applications icons without use a jar file.
So, at formsweb.cfg i changed imageBase to documentBase and at Registry.dat i set
default.icons.iconpath=/img/
default.icons.iconextension=gif
Now I´m trying to map /img/ to may local directory (/img/ -> C:\repo\img)
I tried to change httpd.conf and didn´t work. When I access http://localhost:7001/img/myimage.gif, it returns 404.
Alias /img/ "C:\repo\img\"
<Directory "C:\repo\img">
AllowOverride None
Order allow,deny
Allow from all
</Directory>
Then, i tried to change forms.conf
AliasMatch /img/(..*) "C:\repo\img\$1"
But No change at all.
Does anyone know how to create a alias in weblogic in development mode?If you chose the "Development" install type you will not have OHS although you might have its config file (httpd.conf). Further, creating an Alias in WLS is a little more painful than doing it in OHS. My recommendation is that you keep it simple for testing. You can use an existing Alias and extend it. For example consider the Forms \java directory (e.g.
C:\Oracle\Middleware\Oracle_FRHome1\forms\java)
Simply add a sub-directory to it and store your images there. In the form, simply reference the complete image name without a path. For example: myimage.jpg. Then in the Registry.dat include the virtual path to the images. So, here are the steps.
1. Create a sub-directory C:\Oracle\Middleware\Oracle_FRHome1\forms\java\images
2. Copy your images to this directory
3. In the form, refer to the images by name only. If your images use a different extension from what is stored in Registry.dat, include the extension in the form. If the extension is the same then ommit it.
4. In Registry.dat, set default.icons.iconpath=/forms/java/images/ (be sure to include the trailing slash)
5. On the client machine, close all open browsers and open the Java Control Panel. Clear the jar cache ("Temporary Internet Files")
Your done. Because the form does not have a hard coded path to the images, you can easily move the forms to production without worrying about the need to change the code to handle the image location.
Oh, one last thing.... If you are using a newer JRE version you will get a securty warning suggesting that there may be unsafe code being executed. It will then ask if you want to Block or Don't Block. This dialog is the result of retrieving your image from a source other than the applet jar. You will need to select Don't Block in order for it to work correctly. This is another reason why we (Oracle) recommend using signed jar files.
Message was edited by: Michael Ferrante (Oracle) -
Just curious, how does forms know the name of the jar file in the codebase directory to search when loading icon (gifs). Or does it search every jar file in that directory?
thx,
r.b.> how does forms know the name of the jar file in the
codebase directory to search when loading icon (gifs).
You add the jar file to the archive_jini parameter. The gif in the jar file has a path. (If there's no path, then it's just /.) Your serverApp file (registry.dat) has the path where the icons reside.
So if your registry.dat file has, say, /myicons as the path, then your jar file, called appicons.jar contains the icons in the path /myicons.
You specify appicons.jar in the archive_jini parameter. That way it gets downloaded to the client.
Now the client has the jar, which has the icons. And client has the path. Voila!
> and what happens when it doesn't find a specific gif
in the jar file?
Don't do that. :)
Seriously, I don't know what happens. I suspect the Form runs fine but there's no image where the icon should be.
You may get an error in the java console, I'm not sure.
Regards
Robin Zimmermann
Forms Product Management -
How to change the icon of the jar file w/o changing the windows setting
I may be in wrong forum/area but I am not sure.
I have created a windows executable jar file. Functionally it works fine. I can double click it to start my app. I want to change the icon of the jar file. I know I can change the icon for .jar extension in windows, but I want to be able to give a seperate icon for just this one file.
All windows applications have thier own icon like Word, Excel etc. Is there any way I can do this for java apps? Also could this icon be kept consistent across platform say if I copy my app to linux? (Assuming it is not made for any particular os.)
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