org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/util/UITestSearchEngine.java

/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.junit.util;

import java.lang.reflect.InvocationTargetException;
import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.operation.IRunnableWithProgress;

import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IType;

import org.eclipse.jdt.internal.junit.launcher.ITestKind;

/**
 * Custom Search engine for suite() methods
 * @see TestSearchEngine
 */
public class UITestSearchEngine {

	public static IType[] findTests(IRunnableContext context, final IJavaElement element, final ITestKind testKind) throws InvocationTargetException, InterruptedException {
		final Set result= new HashSet();

		IRunnableWithProgress runnable= new IRunnableWithProgress() {
			public void run(IProgressMonitor pm) throws InterruptedException, InvocationTargetException {
				try {
					testKind.getFinder().findTestsInContainer(element, result, pm);
				} catch (CoreException e) {
					throw new InvocationTargetException(e);
				}
			}
		};
		context.run(true, true, runnable);
		return (IType[]) result.toArray(new IType[result.size()]);
	}

}