Hi Tim,
Tim Terlegård wrote:
You have to select 'Required plugins' when you 'Run...' your application.
Here, the required minimal plugin is org.eclipse.ecf
Where do I find "Required plugins"? Is this related to MANIFEST.MF?
I tried this code in a simple Java Project. Do I have to create a
Plug-In Project to be able to use ECF?
Although you don't have to, it's much easier to use a plug-in project
to use ECF. The reason for this is that with ecf plugin initialization
extension plugins (e.g. the one(s) that provides the
"ecf.generic.client") automatically pre-populate the ContainerFactory
registry (and this pre-population comes from the OSGI platform
registry). This *can* be done manually, but it's a fair amount of
trouble.
For an example of some code that goes to this trouble, see the
org.eclipse.ecf.provider plugin, the
org.eclipse.ecf.provider.app.ClientApplication (line 72) which
explicitly sets up the ContainerFactory with
ContainerFactory.addDescription(contd) after defining the description.
See also the
Similarly you can do this in your java application...if you do this you
should make sure you include the code from *all* the needed plugins on
the classpath.
But as you can see it's much easier if you allow the OSGI runtime to a)
manage the classpath for you; b) use the extension registry; c) get all
kinds of nice bundle mgmt features that the OSGI runtime provides.
Scott
/Tim
2006/4/15, Tim Terlegård <tim@xxxxxxxxxxxx>:
I get an error when I try to create a container. I suspect that the
different container types aren't registered, but when/how is that done?
public static void main(String[] args) throws Exception
{
IContainer container =
ContainerFactory.getDefault().createContainer("ecf.generic.client
");
}
This simple code doesn't work. I get
Exception in thread "main" java.lang.ExceptionInInitializerError
at client.Start.main(Start.java:20)
Caused by: java.lang.NullPointerException
at org.eclipse.ecf.core.ContainerFactory.<init>(
ContainerFactory.java:55)
at org.eclipse.ecf.core.ContainerFactory.<clinit>(
ContainerFactory.java:51)
I'm using Eclipse 3.1.1 and ECF 0.7.6
/Tim
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--
Pierre
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