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External Jars of an IProject [message #332568]

Wed, 29 October 2008 04:37

Eclipse User

Hi,

i'm trying to convert a ILaunchConfiguration to a command string, that can
be executed on a command line.

My current problem are external Jar files a project can reference. I can't
figure out, how to get this information out of
ILaunchConfiguration/IProject objects.

Reference projects for example can be found like

IProject project = config.getFile().getProject();
project.getReferencedProjects()

But there is no project.getExternalLibraries().

cheers Andreas

Re: External Jars of an IProject [message #332569 is a reply to message #332568]

Wed, 29 October 2008 05:20

Eclipse User

Andreas wrote:
> i'm trying to convert a ILaunchConfiguration to a command string, that
> can be executed on a command line.

Is there any particular reason why you need this? This string is visible
from the Eclipse user interface, by the way.

http://wiki.eclipse.org/Graphical_Eclipse_FAQs#How_do_I_chec k_for_the_command_line_invocation_that_Eclipse_used_to_launc h_an_application.3F

> But there is no project.getExternalLibraries().

This is because a project is just, well, a generic project. It has no
Java classpath concepts tied in to it because the resources API is meant
to simply deal with resources and Java classpath is something entirely
different and is provided by JDT's APIs.

You should do something like JavaCore.create(project).getRawClasspath().

http://help.eclipse.org/stable/nftopic/org.eclipse.jdt.doc.i sv/reference/api/index.html

Regards,
Rem

Re: External Jars of an IProject [message #332686 is a reply to message #332569]

Wed, 05 November 2008 04:40

Eclipse User

Thanks Rem,

i didn't know about Eclipses "generic project" - "Java project" handling.
I just assumed everything would be done via key-value pairs in
ILaunchConfiguration.getAttributes.
Where can i find more information than the JavaDoc stuff?

IJavaProject javaproject = JavaCore.create(project);
IClasspathEntry[] cp = javaproject.getRawClasspath();
for (IClasspathEntry cpe : cp) {
if (cpe.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
classpath.add(cpe.getPath().toOSString());
}
}

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