How you make a jar file a plugin.

I'm currently using a jar file to store my class files in. This jar file is downloaded every time the user looks at the page. Is there any way i can install it as a ie or netscape pluggin so that the user does not have to do this?
Thanks very much
Duncan
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sample html code being used.

<APPLET CODE="graphcls.class" ARCHIVE="graphcls.jar" WIDTH="590" HEIGHT="312">
</APPLET>

If you use the Java Plug-in you can specify that you want to cache the Jar on the client machine - you do this by adding an archive parameter to your object/embed tag.
Take a look at the plug-in faq at http://java.sun.com/products/plugin/1.3/devinfo.faq.html
/Peter

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I just bought a website:
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Just post a link to the Jar. Mozilla will download
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How do you convert a jar file into a java file, ?

how do you convert a jar file into a java file ?
I am new to Java ,but have a little experience in C++ and Visual Basic.
I want to edit and maybe create my own mobile games that are written or converted into jar files.
At the moment I am using Java NetBeans , and Easy Java( the java pad).
However the only solution I tried was to open the JAR file in winrar and see that its made up of png picture files,
midi music files and class files. Unfortunately when I uncompressed the JAR file , there was NO java file to be seen and the JAVA editors Do not show the class file like a Java file. So why is there no extension Java file in the mobile JAR game ?

801283 wrote:
how do you convert a jar file into a java file ?You generally don't. There exist decompilers, but if you're meant to have the source, you should either have it because you are the author, or you should be able to get it from the author.
I am new to Java ,but have a little experience in C++ and Visual Basic.Does that experience include turning .exe files into C++ code? Because that's the equivalent of what you're asking
I want to edit and maybe create my own mobile games that are written or converted into jar files.Eh?
Are you saying you want to take existing games and modify them? If the creators allow you to modify their source, then they'll provide you with that source (the .java files). If you're allowed to add things but not modify, you don't need .java files. Just documentation, which, again, the creators should be providing.
Or are you saying you want to create your own games and distribute them in jar files? If so, there's no need to turn jars into .java.
However the only solution I tried was to open the JAR file in winrar and see that its made up of png picture files,
midi music files and class files. Unfortunately when I uncompressed the JAR file , there was NO java file to be seen and the JAVA editors Do not show the class file like a Java file. So why is there no extension Java file in the mobile JAR game ?Why would you expect there to be one?

How to make the ear file including the 3rd party jar files without menttion in the System Classpath.

Hai Sir,
I am facing one problme in weblogic8.1 while depolying the .EAR FILE.
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at java.lang.Class.privateGetDeclaredFields(Class.java:1494)
at java.lang.Class.getDeclaredFields(Class.java:1073)
at weblogic.ejb20.deployer.EJBModule.disableImplClassLoader(EJBModule.java:1082)
at weblogic.ejb20.deployer.EJBModule.setupEJBToImplClassDependencies(EJBModule.jav
a:982)
at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:419)
at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.j
ava:2792)
at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.
java:1478)
at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:11
36)
at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:97
5)
at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareCon
tainer(SlaveDeployer.java:2571)
at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(Sla
veDeployer.java:2523)
at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeploy
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at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer
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at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:
536)
at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java
:494)
at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:
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at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:178)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:151)
Please provide the soluation without mentioning classpath in the weblogic script
.How to make the EAR file incliding ejbjar,webapplication and 3rd party jar files.
Thanks & Regards,
ASHOK SAMRAT
[email protected]

Refer to the section
Handling Utility classes
http://dev2dev.bea.com/products/wlserver/articles/musser.jsp
thanks,
Deepak
"Ashok Samrat" <[email protected]> wrote:
>
Hai Sir,
I am facing one problme in weblogic8.1 while depolying the .EAR FILE.
Please help me sir.
Case1)     1) I am using the struts and log4j frameworks and 3rd party jar
files with
weblogic8.1.
     2) I make the ejbs,webapplications and 3rdparty jar files, ear file
the following
dir structure .And i mentioned the Class-path including all jar files
in the MANIFEST
OF EAR FILE.
     While deploying the ear file it is giving following error.If log4j.jar
does not
mention in the Weblogic script file
     java.lang.NoClassDefFoundError: org/apache/log4j/Priority
at java.lang.Class.getDeclaredFields0(Native Method)
at java.lang.Class.privateGetDeclaredFields(Class.java:1494)
at java.lang.Class.getDeclaredFields(Class.java:1073)
at weblogic.ejb20.deployer.EJBModule.disableImplClassLoader(EJBModule.java:1082)
at weblogic.ejb20.deployer.EJBModule.setupEJBToImplClassDependencies(EJBModule.jav
a:982)
at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:419)
at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.j
ava:2792)
at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.
java:1478)
at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:11
36)
at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:97
5)
at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareCon
tainer(SlaveDeployer.java:2571)
at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(Sla
veDeployer.java:2523)
at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeploy
er.java:2453)
at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer
.java:820)
at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:
536)
at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java
:494)
at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:
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at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:178)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:151)
Please provide the soluation without mentioning classpath in the weblogic
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How to make the EAR file incliding ejbjar,webapplication and 3rd party
jar files.
Thanks & Regards,
ASHOK SAMRAT
[email protected]

Cannot make executable jar file for swt application

hi to all!!! i have started learning swt library and it seems nice to me, but i have one problem, i cannot run my application. The problem is that i cannot make executable jar for it.
i'm using ecilpse_3.1.2 and have pluggined the visual editor for swt! yesterday i found one topic where was described the process of making the swt executable jar, i followed the instructions in the topic, but didn't resolve my problem, so if anybody knows how to achieve this , please help!!!!!!
the instructions in the mentioned topic are :
1. Make sure the SWT jar file is included in the Eclipse project build path
a. Download the standalone SWT jar file from eclipse.org even if you already have the ones that come with Eclipse. It is called ?swt.jar? and you will package it with the executable JAR. Make sure it is the same version of SWT that you used to make your program.
b. In Eclipse, import swt.jar via Project Properties::Java Build Path::Libraries::Add External JARs. (Make sure to include the source .zip file). Also make sure to select the swt package in the ?Order and Export? tab.
c. At this point, you should be able to compile and run your SWT application in the Eclipse SDK.
2. Do a standard Eclipse jar file export
a. Right click on the main .java project file and select ?Export??.
b. Choose ?JAR File? from the list.
c. Select the relevant packages and .classpath and .project resource files
d. Make sure ?Export generated class files and resources? is selected and browse to the location where you want the JAR file to be created.
e. Specify ?Generate the manifest file? and don?t seal the JAR or any packages. Choose the class containing the main method as the ?Main class?.
3. Change the manifest file
a. Navigate to the JAR file you created and open it with WinZip.
b. Open the MANIFEST.MF file inside and copy the contents.
c. Create a new file called ?MANIFEST.MF? and paste in the contents of the old manifest file.
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4. Replace the manifest file
a. Make sure the manifest file and the executable jar are in the same folder.
b. Open the command prompt and navigate to the containing folder.
c. Enter the command ?jar umf MANIFEST.MF <executable jar name>? to update the manifest file with the class path information.
5. Package the JAR with SWT files
a. Put the updated executable JAR file, swt.jar, and the associate DLL in the same folder. The DLL can be pulled out of swt.jar and should have a name like ?swt-win32-####.dll? on Windows.
b. The JAR file should now successfully execute. On Windows, you can usually just double click the JAR file in explorer and it will open. If that does not work, the command ?java ?jar <executable jar name>? on the command line has the same effect.
but a few steps aren't exact for me , for example : first, which jar i have to include in build path : downloaded or from plugins folder, second
i have to incude source.zip too??? but it is only in downloaded zip file which includes both swt.jar and src.zip, and finally can anyone clarify next :
"5. Package the JAR with SWT files
a. Put the updated executable JAR file, swt.jar, and the associate DLL in the same folder. The DLL can be pulled out of swt.jar and should have a name like ?swt-win32-####.dll? on Windows."
what does this mean, put these in folder or make jar from them????

wolve634 wrote:
but a few steps aren't exact for me , for example : first, which jar i have to include in build path : downloaded or from plugins folder, secondTry it both ways. If neither works, then ask again. In a suitable forum, though. An Eclipse forum or an SWT forum or something related to where you got those instructions would make a lot more sense than asking here.
i have to incude source.zip too???No, of course you don't have to distribute the source code.
a. Put the updated executable JAR file, swt.jar, and the associate DLL in the same folder. The DLL can be pulled out of swt.jar and should have a name like ?swt-win32-####.dll? on Windows."
what does this mean, put these in folder or make jar from them????It says "Put (them) in the same folder". You're asking whether that means to put them in a folder? Yes, it does.

How to execute a jar file which has an applet, without using a html file ?

I have a jar file which contains a set of class files. iam able to execute the jar file by using this html code
<html>
<applet code="file.class" archive="file.jar" width="500" height="300">
<param name="name" value="value">
</applet>
</html>
I want to know how to execute this class file without using the html tags.
pls help me out in this.
Anki

Hi,
You can make an executable jar file such that when you double click on that it starts running. Just follow the steps.
1. Open a notepad and write the following
Main-Class: XXXXXXXX
XXXXXXX means Your Main Class name. Don't forget to press Enter after you write your class name.
2. Save the file as Mani.mf
3. In the commant prompt ( your directory ) type following lines.
jar cmf Mani.mf Demo.jar *.*
4. This will make a jar file which is executable jar file
Hope this will help you.
Deepak

How to open a .JAR file on the Z30

Hi,
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Cheers
Mario

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http://supportforums.blackberry.com/t5/Downloaded-Applications-for/You-Upgraded-to-OS-10-2-1-and-wan...
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Click "Accept as Solution" if your problem is solved. To give thanks, click thumbs up
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How to package other jar files into one jar?

How to package other jar files into one jar? How can i get the class in the inner jar file?

Generally not a good idea. The Java runtime won't be able to load classes from those "inner" jars, you'd have to write your own classloader to do that. It's not a brilliant idea, generally, anyway, since the point of having lots of jars is to keep your application modular. Bundling them all together like that means you have to re-deploy the whole thing to fix, for instance, one small bug in one small library
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Mak a jar file

hello,
i've been working with java and java servlet for a while, but i've no clue about jar files. my question is, how do i make a jar file? is a jar file a compressed version of multiple class files or what? thanks for any advice.

OK, here's a link to learning about JAR files - this should help you master all you'd need to know to work with jars.
http://developer.java.sun.com/developer/Books/javaprogramming/JAR/basics/
Rather than provide you with a brief explanation here, i guess visiting the link and learning all thats there would be more helpful.
Hope the above helps.
John Morrison

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