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/*******************************************************************************
* Copyright (c) 2004, 2018 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.core.tests.harness;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import org.eclipse.core.runtime.FileLocator;
import org.junit.Assert;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleException;
import org.osgi.framework.FrameworkEvent;
import org.osgi.framework.FrameworkListener;
import org.osgi.framework.ServiceReference;
import org.osgi.service.packageadmin.PackageAdmin;
public class BundleTestingHelper {
public static Bundle[] getBundles(BundleContext context, String symbolicName, String version) {
ServiceReference<PackageAdmin> packageAdminReference = context.getServiceReference(PackageAdmin.class);
if (packageAdminReference == null) {
throw new IllegalStateException("No package admin service found");
}
PackageAdmin packageAdmin = context.getService(packageAdminReference);
Bundle[] result = packageAdmin.getBundles(symbolicName, version);
context.ungetService(packageAdminReference);
return result;
}
/**
* @deprecated
*/
@Deprecated
public static Bundle installBundle(BundleContext context, String location) throws BundleException, MalformedURLException, IOException {
return installBundle("", context, location);
}
public static Bundle installBundle(String tag, BundleContext context, String location) throws BundleException, MalformedURLException, IOException {
URL entry = context.getBundle().getEntry(location);
if (entry == null) {
Assert.fail(tag + " entry " + location + " could not be found in " + context.getBundle().getSymbolicName());
}
Bundle installed = context.installBundle(FileLocator.toFileURL(entry).toExternalForm());
return installed;
}
/**
* Do PackageAdmin.refreshPackages() in a synchronous way. After installing
* all the requested bundles we need to do a refresh and want to ensure that
* everything is done before returning.
* @param bundles
* TODO remove this since all we wanted was to resolve bundles, what is done by #resolveBundles in this class
*/
//copied from EclipseStarter
public static void refreshPackages(BundleContext context, Bundle[] bundles) {
if (bundles.length == 0) {
return;
}
ServiceReference<PackageAdmin> packageAdminRef = context.getServiceReference(PackageAdmin.class);
PackageAdmin packageAdmin = null;
if (packageAdminRef != null) {
packageAdmin = context.getService(packageAdminRef);
if (packageAdmin == null) {
return;
}
}
// TODO this is such a hack it is silly. There are still cases for race conditions etc
// but this should allow for some progress...
// (patch from John A.)
final boolean[] flag = new boolean[] {false};
FrameworkListener listener = new FrameworkListener() {
@Override
public void frameworkEvent(FrameworkEvent event) {
if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED) {
synchronized (flag) {
flag[0] = true;
flag.notifyAll();
}
}
}
};
context.addFrameworkListener(listener);
packageAdmin.refreshPackages(bundles);
synchronized (flag) {
while (!flag[0]) {
try {
flag.wait();
} catch (InterruptedException e) {
// who cares....
}
}
}
context.removeFrameworkListener(listener);
context.ungetService(packageAdminRef);
}
public static boolean resolveBundles(BundleContext context, Bundle[] bundles) {
ServiceReference<PackageAdmin> packageAdminRef = context.getServiceReference(PackageAdmin.class);
PackageAdmin packageAdmin = null;
if (packageAdminRef != null) {
packageAdmin = context.getService(packageAdminRef);
if (packageAdmin == null) {
return false;
}
}
boolean result = packageAdmin.resolveBundles(bundles);
context.ungetService(packageAdminRef);
return result;
}
public static void runWithBundles(String tag, Runnable runnable, BundleContext context, String[] locations, TestRegistryChangeListener listener) {
if (listener != null) {
listener.register();
}
try {
Bundle[] installed = new Bundle[locations.length];
for (int i = 0; i < locations.length; i++) {
try {
installed[i] = installBundle(tag + ".setup.0", context, locations[i]);
Assert.assertEquals(tag + ".setup.1." + locations[i], Bundle.INSTALLED, installed[i].getState());
} catch (BundleException e) {
CoreTest.fail(tag + ".setup.2" + locations[i], e);
} catch (IOException e) {
CoreTest.fail(tag + ".setup.3" + locations[i], e);
}
}
if (listener != null) {
listener.reset();
}
if (!BundleTestingHelper.resolveBundles(context, installed)) {
Assert.fail(tag + ".setup.resolveBundles");
}
if (listener != null) {
// ensure the contributions were properly added
Assert.assertTrue(tag + ".setup.4", listener.eventReceived(installed.length * 10000));
}
try {
runnable.run();
} finally {
if (listener != null) {
listener.reset();
}
// remove installed bundles
for (int i = 0; i < installed.length; i++) {
try {
installed[i].uninstall();
} catch (BundleException e) {
CoreTest.fail(tag + ".tearDown.1." + locations[i], e);
}
}
BundleTestingHelper.resolveBundles(context, installed);
if (listener != null) {
// ensure the contributions were properly added
Assert.assertTrue(tag + ".tearDown.2", listener.eventReceived(installed.length * 10000));
}
}
} finally {
if (listener != null) {
listener.unregister();
}
}
}
}
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