OclPropertyTester.java

package org.dresdenocl.debug.ui.launch;

import org.eclipse.core.expressions.PropertyTester;

public class OclPropertyTester extends PropertyTester {

	@Override
	public boolean test(Object receiver, String property, Object[] args,
			Object expectedValue) {

		if (receiver instanceof org.eclipse.core.resources.IResource) {
			org.eclipse.core.resources.IResource resource =
					(org.eclipse.core.resources.IResource) receiver;
			return hasMatchingURI(resource);
		}
		else if (receiver instanceof org.eclipse.ui.part.FileEditorInput) {
			org.eclipse.ui.part.FileEditorInput editorInput =
					(org.eclipse.ui.part.FileEditorInput) receiver;
			org.eclipse.core.resources.IFile file = editorInput.getFile();
			return hasMatchingURI(file);
		}
		return false;
	}

	private boolean hasMatchingURI(org.eclipse.core.resources.IResource resource) {

		String path = resource.getLocationURI().getPath();
		return path.endsWith(".ocl");
	}

}