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/*******************************************************************************
* Copyright (c) 2011, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.tests.resource;
import java.util.*;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceRegistration;
import org.osgi.framework.hooks.resolver.ResolverHook;
import org.osgi.framework.hooks.resolver.ResolverHookFactory;
import org.osgi.framework.namespace.IdentityNamespace;
import org.osgi.framework.wiring.*;
public class ResolverHookTests extends AbstractResourceTest {
public static Test suite() {
return new TestSuite(ResolverHookTests.class);
}
public ResolverHookTests(String name) {
super(name);
}
public void testSingletonIdentity() throws Exception {
final RuntimeException error[] = {null};
final boolean called[] = {false};
ResolverHookFactory resolverHookFactory = new ResolverHookFactory() {
public ResolverHook begin(Collection triggers) {
return new ResolverHook() {
public void filterSingletonCollisions(BundleCapability singleton, Collection collisionCandidates) {
if (error[0] != null)
return;
called[0] = true;
try {
assertEquals("Wrong namespace", IdentityNamespace.IDENTITY_NAMESPACE, singleton.getNamespace());
assertEquals("Wrong singleton directive", "true", singleton.getDirectives().get(IdentityNamespace.CAPABILITY_SINGLETON_DIRECTIVE));
String symbolicName = (String) singleton.getAttributes().get(IdentityNamespace.IDENTITY_NAMESPACE);
for (Iterator iCandidates = collisionCandidates.iterator(); iCandidates.hasNext();) {
BundleCapability candidate = (BundleCapability) iCandidates.next();
assertEquals("Wrong namespace", IdentityNamespace.IDENTITY_NAMESPACE, candidate.getNamespace());
assertEquals("Wrong singleton directive", "true", candidate.getDirectives().get(IdentityNamespace.CAPABILITY_SINGLETON_DIRECTIVE));
assertEquals("Wrong symbolic name", symbolicName, (String) candidate.getAttributes().get(IdentityNamespace.IDENTITY_NAMESPACE));
}
} catch (RuntimeException e) {
error[0] = e;
}
}
public void filterResolvable(Collection candidates) {
// nothing
}
public void filterMatches(BundleRequirement requirement, Collection candidates) {
// nothing
}
public void end() {
// nothing
}
};
}
};
ServiceRegistration hookReg = getContext().registerService(ResolverHookFactory.class, resolverHookFactory, null);
try {
Bundle tb1v1 = installer.installBundle("singleton.tb1v1");
Bundle tb1v2 = installer.installBundle("singleton.tb1v2");
assertFalse(getContext().getBundle(0).adapt(FrameworkWiring.class).resolveBundles(Arrays.asList(new Bundle[] {tb1v1, tb1v2})));
assertTrue("ResolverHook was not called", called[0]);
if (error[0] != null)
throw error[0];
} finally {
hookReg.unregister();
}
}
}
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