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copied!<p>So, you want an Ant task that runs within Eclipse. And as you say, it's clear that those tasks are using the Eclipse API. As of this moment, I don't really understand how they're doing it. I've looked at the source of a couple of them and I still have questions.</p> <p>To find the locations of all the Ant tasks contributed by Eclipse, do a Plug-in Search for <code>org.eclipse.ant.core.antTasks</code>. When I do that, I see twenty or so extensions, many of which define multiple tasks.</p> <p>If you get the source bundle for a plugin that contributes one of these tasks, you can look at the source for it. RefreshLocalTask is in org.eclipse.core.resources; unfortunately, when I import this bundle into my workspace as a source project, the source for the Ant tasks doesn't get linked correctly. There is a separate jar (inside the bundle) for them, and, while the source is in the bundle, it's not clear how the jar is compiled. The upshot is that I don't have the Ant task source compiling in my workspace.</p> <p>You can also Google for the Ant task source; here's the <a href="http://grepcode.com/file/repository.grepcode.com/java/eclipse.org/3.6/org.eclipse.core/resources/3.6.0/org/eclipse/core/resources/ant/RefreshLocalTask.java" rel="nofollow">3.6.0 source</a> for <code>RefreshLocalTask</code>.</p> <p>Anyway, in the source you can see calls to <code>org.eclipse.core.resources.ResourcePlugin</code> that are illustrative of what you probably need.</p> <p>Ah, I see in the extension point description - right-click on one of those search results and choose "Show Description", or go there from the Manifest editor - that there is a flag you can set, "eclipseRuntime"; the text implies that if it is set, Eclipse will launch the task in the same VM.</p>

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