Applet to html communication?

hi there,
hi i have this problem where i wanna call function from java (swing) applet using javascript, well on clicking submit i should be able to call the function and well i can't remove the <OBJECT> tag, i have to use the <OBJECT> tag no.... any ideas...
here is my html code :
<HTML>
<HEAD>
</HEAD>
<BODY>
<center>
<br>


<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93" WIDTH = 500 HEIGHT = 300 NAME = "myapplet" codebase=""http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">
<PARAM NAME = CODE VALUE = "GPTextEditor.class" >
<PARAM NAME = NAME VALUE = "myapplet" >
<PARAM NAME="type" VALUE="null">
<PARAM NAME="scriptable" VALUE="true">
<COMMENT>
<EMBED type="null" CODE = "GPTextEditor.class" NAME = "myapplet" WIDTH = 500 HEIGHT = 300 scriptable=false pluginspage="http://java.sun.com/products/plugin/1.2/newuser.html"><NOEMBED></COMMENT>
</NOEMBED></EMBED></OBJECT>
</center>
<input type="text" name="test" value="test">
<input type="submit"><input type="button" onclick="alert(document.myapplet.testB());">
</BODY>
</HTML>

Just telling u that u have a mistake i dont thing it has to do with ur problem but i just wanted to show u it .
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93" WIDTH = 500 HEIGHT = 300 NAME = "myapplet" codebase=""http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">
Try it using only one " .
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93" WIDTH = 500 HEIGHT = 300 NAME = "myapplet" codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">

Similar Messages

Java Applet to Javascript Communication

There is a Java Applet which digitally signs files after taking
private key from a smart card.This applet takes external files.
I want to do this "Generate digital signature of a web page with the
help of an applet of which the applet is itself a part"
I am trying using Java Applet to Javascript Communication.
I am able to access the object which represents the HTML document.
That abject is represented by document itself.
Now I have to somehow generate the whole webpage i.e. like we view in a
notepad like this:
<HTML>
<Title>my page</title>
Then write into a file and then that file can be signed.
This is what I feel.
In C#.net there is a method .innerhtml.
Does such kind of a method exists in Java.???
I m searching but cudn't get till now.
Will serialization work??

Kindly forget the previous post. Read the following:
JSObject browserWindow = JSObject.getWindow(this);
JSObject doc = (JSObject)browserWindow.getMember("document");
Here doc represents the object of the HTML document.
This is accessed using Java Applet JavaScript Communication.
I want to serialize the object represented by doc.
Then write it into a file and generate it's digital signature.
In the below written line the parameter fileName is passed.
CertificationChainAndSignatureBase64 signingResult = signFile(fileName);
For this I have added few lines in the code written below.
see first 10-30 lines. Though this code gets compiled but it is not running. When I want to sign the file , it throws an error
"Unexpected error:sun.plugin.javascript.ocx.JSObject"
This code is just one class. Two other classes are needed to completely test the code.
Should I post them ??
Kindly see what is the error.
I will be highly grateful and Sorry for confusing in the previous mail...
private void signSelectedFile() {
try {
// Get the file name to be signed from the form in the HTML document
JSObject browserWindow = JSObject.getWindow(this);
JSObject mainForm = (JSObject) browserWindow.eval("document.forms[0]");
String fileNameFieldName = this.getParameter(FILE_NAME_FIELD_PARAM);
JSObject fileNameField = (JSObject) mainForm.getMember(fileNameFieldName);
//This is another modification
//String fileName = (String) fileNameField.getMember("value");
               //here we get the document......
JSObject doc = (JSObject)browserWindow.getMember("document");
//String docum = doc.toString();
String thePage = "as";
               FileOutputStream out = new FileOutputStream(thePage);
               ObjectOutputStream s = new ObjectOutputStream(out);
               s.writeObject(doc);
               String fileName = thePage;
               JOptionPane.showMessageDialog(this, fileName); //"Unexpected error: " + e.getMessage());
// Perform the actual file signing
CertificationChainAndSignatureBase64 signingResult = signFile(fileName);
if (signingResult != null) {
// Document signed. Fill the certificate and signature fields
String certChainFieldName = this.getParameter(CERT_CHAIN_FIELD_PARAM);
JSObject certChainField = (JSObject) mainForm.getMember(certChainFieldName);
certChainField.setMember("value", signingResult.mCertificationChain);
String signatureFieldName = this.getParameter(SIGNATURE_FIELD_PARAM);
JSObject signatureField = (JSObject) mainForm.getMember(signatureFieldName);
signatureField.setMember("value", signingResult.mSignature);
} else {
// User canceled signing
catch (DocumentSignException dse) {
// Document signing failed. Display error message
String errorMessage = dse.getMessage();
JOptionPane.showMessageDialog(this, errorMessage);
catch (SecurityException se) {
se.printStackTrace();
JOptionPane.showMessageDialog(this,
"Unable to access the local file system.\n" +
"This applet should be started with full security permissions.\n" +
"Please accept to trust this applet when the Java Plug-In ask you.");
catch (JSException jse) {
jse.printStackTrace();
JOptionPane.showMessageDialog(this,
"Unable to access some of the fields of the\n" +
"HTML form. Please check the applet parameters.");
catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(this, "Unexpected error: " + e.getMessage());
}

Applet- RS232 serial communication

Hi,
Can any one tell how to do applet -RS232 serial communication?Do i signed applets? any secuirty policies to incorporated?
Thanx
/JP

you need to install the jre, and place the win32.dll at JavaSoft\JRE\1.3.1_06\bin, that properties file place at JavaSoft\JRE\1.3.1_06\lib, comm.jar at JavaSoft\JRE\1.3.1_06\lib\ext\
and in ur code try to use it to open ur com port
public String test() {
String drivername = "com.sun.comm.Win32Driver";
try
CommDriver driver = (CommDriver) Class.forName(drivername).newInstance(); driver.initialize();
catch (Throwable th)
{* Discard it */}
drivername = "javax.comm.*";
try
CommDriver driver = (CommDriver) Class.forName(drivername).newInstance(); driver.initialize();
catch (Throwable th)
{* Discard it */}
portList = CommPortIdentifier.getPortIdentifiers();
while (portList.hasMoreElements()) {
portId = (CommPortIdentifier) portList.nextElement();
if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
if (portId.getName().equals("COM2")) {
//if (portId.getName().equals("/dev/term/a")) {
try {
serialPort = (SerialPort)
portId.open("SimpleWriteApp", 2000);
} catch (PortInUseException e) {}
try {
outputStream = serialPort.getOutputStream();
} catch (IOException e) {}
try {
serialPort.setSerialPortParams(9600,
SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE);
} catch (UnsupportedCommOperationException e) {}
int i=0;
while(true)
try {
messageString="hi";
System.out.println(i++);
outputStream.write(messageString.getBytes());
} catch (IOException e)
System.out.println(e);
messageString=String.valueOf(e);
return messageString;
and yet u need to signed the applet
1. Compile the applet
2. Create a JAR file
3. Generate Keys
4. Sign the JAR file
5. Export the Public Key Certificate
6. Import the Certificate as a Trusted Certificate
7. Create the policy file
8. Run the applet
Susan
Susan bundles the applet executable in a JAR file, signs the JAR file, and exports the public key certificate.
1. Compile the Applet
In her working directory, Susan uses the javac command to compile the SignedAppletDemo.java class. The output from the javac command is the SignedAppletDemo.class.
javac SignedAppletDemo.java
2. Make a JAR File
Susan then makes the compiled SignedAppletDemo.class file into a JAR file. The -cvf option to the jar command creates a new archive (c), using verbose mode (v), and specifies the archive file name (f). The archive file name is SignedApplet.jar.
jar cvf SignedApplet.jar SignedAppletDemo.class
3. Generate Keys
Susan creates a keystore database named susanstore that has an entry for a newly generated public and private key pair with the public key in a certificate. A JAR file is signed with the private key of the creator of the JAR file and the signature is verified by the recipient of the JAR file with the public key in the pair. The certificate is a statement from the owner of the private key that the public key in the pair has a particular value so the person using the public key can be assured the public key is authentic. Public and private keys must already exist in the keystore database before jarsigner can be used to sign or verify the signature on a JAR file.
In her working directory, Susan creates a keystore database and generates the keys:
keytool -genkey -alias signFiles -keystore susanstore -keypass kpi135 -dname "cn=jones" -storepass ab987c
This keytool -genkey command invocation generates a key pair that is identified by the alias signFiles. Subsequent keytool command invocations use this alias and the key password (-keypass kpi135) to access the private key in the generated pair.
The generated key pair is stored in a keystore database called susanstore (-keystore susanstore) in the current directory, and accessed with the susanstore password (-storepass ab987c).
The -dname "cn=jones" option specifies an X.500 Distinguished Name with a commonName (cn) value. X.500 Distinguished Names identify entities for X.509 certificates.
You can view all keytool options and parameters by typing:
keytool -help
4. Sign the JAR File
JAR Signer is a command line tool for signing and verifying the signature on JAR files. In her working directory, Susan uses jarsigner to make a signed copy of the SignedApplet.jar file.
jarsigner -keystore susanstore -storepass ab987c -keypass kpi135 -signedjar SSignedApplet.jar SignedApplet.jar signFiles
The -storepass ab987c and -keystore susanstore options specify the keystore database and password where the private key for signing the JAR file is stored. The -keypass kpi135 option is the password to the private key, SSignedApplet.jar is the name of the signed JAR file, and signFiles is the alias to the private key. jarsigner extracts the certificate from the keystore whose entry is signFiles and attaches it to the generated signature of the signed JAR file.
5. Export the Public Key Certificate
The public key certificate is sent with the JAR file to the whoever is going to use the applet. That person uses the certificate to authenticate the signature on the JAR file. To send a certificate, you have to first export it.
The -storepass ab987c and -keystore susanstore options specify the keystore database and password where the private key for signing the JAR file is stored. The -keypass kpi135 option is the password to the private key, SSignedApplet.jar is the name of the signed JAR file, and signFiles is the alias to the private key. jarsigner extracts the certificate from the keystore whose entry is signFiles and attaches it to the generated signature of the signed JAR file.
5: Export the Public Key Certificate
The public key certificate is sent with the JAR file to the whoever is going to use the applet. That person uses the certificate to authenticate the signature on the JAR file. To send a certificate, you have to first export it.
In her working directory, Susan uses keytool to copy the certificate from susanstore to a file named SusanJones.cer as follows:
keytool -export -keystore susanstore -storepass ab987c -alias signFiles -file SusanJones.cer
Ray
Ray receives the JAR file from Susan, imports the certificate, creates a policy file granting the applet access, and runs the applet.
6. Import Certificate as a Trusted Certificate
Ray has received SSignedApplet.jar and SusanJones.cer from Susan. He puts them in his home directory. Ray must now create a keystore database (raystore) and import the certificate into it. Ray uses keytool in his home directory /home/ray to import the certificate:
keytool -import -alias susan -file SusanJones.cer -keystore raystore -storepass abcdefgh
7. Create the Policy File
The policy file grants the SSignedApplet.jar file signed by the alias susan permission to create newfile (and no other file) in the user's home directory.
Ray creates the policy file in his home directory using either policytool or an ASCII editor.
keystore "/home/ray/raystore";
// A sample policy file that lets a JavaTM program
// create newfile in user's home directory
// Satya N Dodda
grant SignedBy "susan"
permission java.security.AllPermission;
8. Run the Applet in Applet Viewer
Applet Viewer connects to the HTML documents and resources specified in the call to appletviewer, and displays the applet in its own window. To run the example, Ray copies the signed JAR file and HTML file to /home/aURL/public_html and invokes Applet viewer from his home directory as follows:
Html code :
</body>
</html>
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
width="600" height="400" align="middle"
codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,1,2">
<PARAM NAME="code" VALUE="SignedAppletDemo.class">
<PARAM NAME="archive" VALUE="SSignedApplet.jar">
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.3">
</OBJECT>
</body>
</html>
appletviewer -J-Djava.security.policy=Write.jp
http://aURL.com/SignedApplet.html
Note: Type everything on one line and put a space after Write.jp
The -J-Djava.security.policy=Write.jp option tells Applet Viewer to run the applet referenced in the SignedApplet.html file with the Write.jp policy file.
Note: The Policy file can be stored on a server and specified in the appletviewer invocation as a URL.
9. Run the Applet in Browser
Download JRE 1.3 from Javasoft
good luck! [email protected]
i already give u many tips, i use 2 weeks to try this to success, hopw that u understand that, a result of success is not important, the process of how to get things done is most usefull!

Applet to HTML

Hai All
There is an small issue. There is an JApplet which has a JButton, and the appletd is invoked in HTML file. On the Click of the button in the applet another HTML file need to be invoked which is again an Applet.
How can i achieve the same
thanks in advance

Javascript to Applet communication is one solution to your query.
http://java.sun.com/products/plugin/1.3/docs/jsobject.html

Error while calling applet in HTML in SAP NWDS

Hi,
We have written a java code with Main method and we are trying to run it on web. So we have written another piece of HTML code where we are calling the othe program with applet. But getting below error.
Below is exce[ption I am getting while running jree charts made in java :
Java Plug-in 1.6.0_24
Using JRE version 1.6.0_24-b07 Java HotSpot(TM) Client VM
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
l: dump classloader list
m: print memory usage
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x: clear classloader cache
0-5: set trace level to <n>
java.lang.reflect.InvocationTargetException
at com.sun.deploy.util.DeployAWTUtil.invokeAndWait(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.runOnEDT(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: java.lang.InstantiationException: org.jfree.chart.demo.BarChartDemo
at sun.plugin2.applet.Plugin2Manager$12.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: java.lang.InstantiationException: org.jfree.chart.demo.BarChartDemo
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
... 15 more
Exception: java.lang.reflect.InvocationTargetException
Below is html code run to call applets :
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "" title="http://www.w3.org/TR/html4/loose.dtd">" class="link">http://www.w3.org/TR/html4/loose.dtd">
(http://www.w3.org/TR/html4/loose.dtd)
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Hello</title>
</head>
<body>
<applet code=org.jfree.chart.demo.BarChartDemo archive="src.jar" width="320" height="120"></applet>
</body>
</html>
Please suggest.
Regards
Agamani

Hi,
Though there are a lot of importing parameters, you should give only one structure for outtable, and read as index 1 and index 2.
FORM GET_SPRAS TABLES intable   STRUCTURE itcsy
                                          outtable STRUCTURE itcsy.
DATA: lv_kunnr LIKE kna1-kunnr.
CLEAR: GV_SPRAS.
lv_kunnr = intable-value.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
    EXPORTING
      input = lv_kunnr
    IMPORTING
      output = lv_kunnr.
SELECT SINGLE LAND1 SPRAS INTO (gv_land1, gv_spras) FROM KNA1
    WHERE KUNNR = lv_kunnr.
IF sy-subrc = 0.
    READ TABLE outtable INDEX 1.
    outtable-value = gv_spras.
    MODIFY outtable INDEX 1.
    READ TABLE outtable INDEX 2.
    outtable-value = gv_land1.
    MODIFY outtable INDEX 2.
ENDIF.
IF gv_land1 EQ 'DE'.
    CLEAR: GV_LAND1,
           GV_SPRAS.
ENDIF.
ENDFORM.
Edited by: Srinivas Kalluri on Mar 30, 2009 5:00 AM
Edited by: Srinivas Kalluri on Mar 30, 2009 5:10 AM

I can receive email, but can't reply or compose email. Won't accept applet or HTML. ISP Cox says it's a Safari problem. My software is all up to date.

I can receive email, but can't reply or compose email. Won't accept applet or HTML. ISP Cox says it's a Safari problem. My software is all up to date.

Which email client is this?
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Problems with running Applet through HTML

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Heres the error message, I see that it cannot find the class I have stated above. Any solutions?
My class is in the 'build' folder but, the HTML file is in the 'src' folder. Now my applet contains a 'jar' file, do I need to add that to the HTML code?
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Hi
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http://java.sun.com/docs/books/tutorial/deployment/applet/index.html

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Try to use window.eval("..") That could help sometimes!

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hi
I want to use a applet to display some images retrieved from intermedia OrdImage Object.
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Do you mean applet or Servlet?
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http://otn.oracle.com/software/products/intermedia/htdocs/descriptions/servlets_jsp.html
http://otn.oracle.com/sample_code/products/intermedia/htdocs/intermedia_servlet_jsp_samples/imedia_servlet_jsp_readme.htm
for a sample.

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I also tried running the one netbeans automatically created located at \build folder of the project folder, but it also says applet failed.
Can someone tell what seems to be the problem? or are there any suggestions or better way to embed an applet to a html file?

Answers to "How to do something in NetBeans" (or any other IDE) are only going to be available at the IDE site. See here:
http://www.netbeans.org/kb/50/tutorial-applets.html
These forums are for Java language topics, not IDE support.

Signed applet and HTML parameters

I've created a signed applet and everything works fine, except for the fact that i can't add parameters to the applet.
Without the parameters in the HTML the applet inits and starts and can be used without problems. But when I add paramaters, the applet reports a "class not found exception".
I used HTML-converter to convert the applet tag to object/embed tags.
Has anyone had the same problem or knows what I'm doing wrong? I'd really appreciate some help.
Thanks in advance,
Erik
My HTML source:
<OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
WIDTH = "600" HEIGHT = "400" codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">
<PARAM NAME = CODE VALUE = "TNA" >
<PARAM NAME = ARCHIVE VALUE = "TNA.jar" >
<PARAM NAME="type" VALUE="application/x-java-applet;version=1.3.0">
<PARAM NAME="scriptable" VALUE="false">
<COMMENT>
<EMBED type="application/x-java-applet;version=1.3.0" CODE = "TNA" ARCHIVE = "tna.jar" WIDTH = "600" HEIGHT = "400" scriptable=false pluginspage="http://java.sun.com/products/plugin/1.3/plugin-install.html"><NOEMBED></COMMENT>
</NOEMBED></EMBED>
</OBJECT>


Try this:
OBJECT classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93"
WIDTH = "600" HEIGHT = "400" codebase="http://java.sun.com/products/plugin/1.3/jinstall-13-win32.cab#Version=1,3,0,0">
<PARAM NAME = "java_code" VALUE = "TNA.class" >
<PARAM NAME = "java_archive" VALUE = "TNA.jar" >
<PARAM NAME = "java_type" VALUE="application/x-java-applet;version=1.3.1">
<PARAM NAME="scriptable" VALUE="false">
<COMMENT>
<EMBED type="application/x-java-applet;version=1.3.0" CODE = "TNA" ARCHIVE = "tna.jar" WIDTH = "600" HEIGHT = "400" scriptable=false pluginspage="http://java.sun.com/products/plugin/1.3/plugin-install.html"><NOEMBED></COMMENT>
</NOEMBED></EMBED>
</OBJECT>
<!--
<APPLET CODE = "TNA" ARCHIVE = "tna.jar" WIDTH = "600" HEIGHT = "400">
</APPLET>

Invalid content type for SOAP: TEXT/HTML:communication channel modification

Hello ,
While delivering an async message from XI to thirdparty, getting an error 'invalid content type for SOAP: TEXT/HTML' in the RWB/adapter engine
I need to modify Module tab for MessageTransformBean / content type as text/html.
Can anyone tell me how to do this in SOAP communication channel?
Thanks in advance

Hi,
Thanks for ur help...
I've tested with soapUI and it is working fine. When I send the data from soapUI , it is reaching to third party and I get response as 'success' So the url is also fine.
The same data when XI is sending it is throwing an error.
One more thing here -- The XI server is in intranet and TP is in DMZ .... there is a firewall in between them...
1. When I execute thr soapUI (from intranet) it is reaching to TP (DMZ)
2. When I execute thr XI (intranet) its throwing an error.
Is this because of firewall settings ?
Thanks..

Resizing Analyzer 7.2 Applets in HTML client

We're using Analyzer 7.2 here and I'm in the process of rolling out a reporting app. I have created a number of screens using the Java client, but we need to use the HTML for our users. However the HTML applet window is too small for the reports I have deveolped. How to I change the size to fit my reports, in most other applications 've used its just a question of changing the HTML length and width parameters of the applet, but I dont know which is the jsp page that generates the applet and if there are any parameters to set anywhere.CheersPete

Hi,
On the client PC include the path to Excel.exe in your %PATH% environment variable and then try to export to excel.
Regards,
PK

Include many jars for a complex signed applet in html file??

hello
I'd like to know how it's possible to put a signed applet in an html file, that needs many jar files.
I explain myself: I know that to create a signed applet and to put it in an html file, I need to create a Jar file that contains this applet, create a private key with keytool, sign the jar and include it in my html file with the tag <applet code="....." archive="......jar".... />
This works fine if my applet is a simple program that only uses the clases present by default in the jdk.
In my case, I have a big project, with many packages. In one of these packages, I have my applet that uses some classes of the other packages, which use classes from imported jars, such as BouncyCastle, and others...
There is still no problem when I run the applet from the applet viewer.
The problem appears when I put the JAR file with all these classes in the html file: there is a problem since it doesn't know anything of these classes imported from these jars.. It's quite obvious actually.
My question is: how do I do to make the html file aware of these classes? Is there an html tag that allows us to include many jar files? Do I have to decompress all these jars, take all the directories, add them to the directories of my project and create a BIG jar (that's what I did, but it's really dirty, and heavy! (11M))??
Does anyone have an idea about how I can do it?
Thanks for your help
Philippe

11 MB is pretty big for an applet.
Let's say your applet uses java 3d, normally a client would download and
install this seporately, meaning the jars needed end up in lib/ext directory where
any applet can find them.
Check what applets need to be installed (put in lib/ext) and what can be
downloaded:
<object .....
<param name="archive" value="myJar.jar, myOtherjar.jar" />

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