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/*******************************************************************************
* Copyright (c) 2007, 2018 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 - Initial API and implementation
*******************************************************************************/
package org.eclipse.equinox.common.tests.adaptable;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.runtime.*;
import org.junit.Assert;
import org.osgi.framework.Bundle;
/**
* The adaptor factory to test scenario described in the bug 200068: adapting to
* a class not reachable be the default class loader.
*
* This is a test code so almost all sanity checks are omitted (it is working on a known
* hard-coded set of extensions and extension points). Also, for simplicity no trackers
* or caching is done.
*/
public class TestAdapterFactoryLoader extends Assert implements IAdapterFactory {
@Override
public <T> T getAdapter(Object adaptableObject, Class<T> adapterType) {
try {
Class<?>[] targets = getAdapterList();
return adapterType.cast(targets[0].getDeclaredConstructor().newInstance());
} catch (InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException
| NoSuchMethodException | SecurityException e) {
e.printStackTrace();
fail("Unable to load target class");
return null;
}
}
@Override
public Class<?>[] getAdapterList() {
IExtensionRegistry registry = RegistryFactory.getRegistry();
IExtensionPoint extPoint = registry.getExtensionPoint("org.eclipse.equinox.common.tests.factoryLoaderTest");
IExtension[] extensions = extPoint.getExtensions();
if (extensions.length == 0) {
return new Class[0];
}
IExtension extension = extensions[0];
IConfigurationElement[] confElements = extension.getConfigurationElements();
String className = confElements[0].getAttribute("name");
IContributor contributor = extension.getContributor();
Bundle extensionBundle = ContributorFactoryOSGi.resolve(contributor);
try {
return new Class[] {extensionBundle.loadClass(className)};
} catch (ClassNotFoundException e) {
e.printStackTrace();
fail("Unable to load class " + className);
return null;
}
}
}
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