Locating a jar file relative to the application

[Hanna Habashy]

Hello all:

I have a class C that is in a jar file. The class looks for resources in 3 other jar fils. All the jar files are located in the lib directory of an application.

How can I make class C find those jar files? I need to get the URL of the required jars.

I tried
URL url = class.getResource("A.jar");
URL url = class.getResource("\\A.jar");
URL url = class.getResource("..\\A.jar");

but nothing is working. Any ideas?

Thanks,

[Saurabh Deshpande]

hi,
i dont think you need to do anything in the code.
you simply need to add the jars to the CLASSPATH
and it will be taken care of.

let me know if the problem still persits after adding the jars to CLASSPATH

[Edwin Dalorzo]

What about using the JarURLConnection class?

JarURLConnection Javadoc

URL url = new URL("jar:file:/home/duke/duke.jar!/myfile.properties/");
JarURLConnection jarConnection = (JarURLConnection)url.openConnection();
InputStream in = new InputStream(jarConnection.getInputStream());
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
String line = null;
while ( (line = reader.readLine()) ! null){
   System.out.println(line);
}
reader.close();

I hope that helps!

[Nicholas Jordan]

[Hanna Habashy:]the jar files are located in the lib directory of an application.

What application ?

http://www.javaworld.com/javaworld/javaqa/2003-08/01-qa-0808-property.html
[ September 18, 2007: Message edited by: Nicholas Jordan ]