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/*******************************************************************************
* Copyright (c) 2013, 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.equinox.region.internal.tests;
import static org.junit.Assert.fail;
import java.lang.reflect.*;
import java.util.Set;
import org.eclipse.equinox.region.*;
import org.osgi.framework.BundleContext;
import org.osgi.framework.hooks.bundle.*;
import org.osgi.framework.hooks.resolver.ResolverHook;
public class RegionReflectionUtils {
static private final ClassLoader regionCL = Region.class.getClassLoader();
static private final String BundleIdBasedRegion = "org.eclipse.equinox.internal.region.BundleIdBasedRegion";
static private final String StandardBundleIdToRegionMapping = "org.eclipse.equinox.internal.region.StandardBundleIdToRegionMapping";
static private final String StandardBundleIdToRegionMapping_associateBundleWithRegion = "associateBundleWithRegion";
static private final String StandardBundleIdToRegionMapping_getRegion = "getRegion";
private static final String StandardBundleIdToRegionMapping_dissociateBundleFromRegion = "dissociateBundleFromRegion";
private static final String StandardBundleIdToRegionMapping_isBundleAssociatedWithRegion = "isBundleAssociatedWithRegion";
private static final String StandardBundleIdToRegionMapping_getBundleIds = "getBundleIds";
private static final String StandardBundleIdToRegionMapping_clear = "clear";
private static final String StandardRegionDigraph = "org.eclipse.equinox.internal.region.StandardRegionDigraph";
private static final String StandardRegionFilterBuilder = "org.eclipse.equinox.internal.region.StandardRegionFilterBuilder";
private static final String RegionBundleCollisionHook = "org.eclipse.equinox.internal.region.hook.RegionBundleCollisionHook";
private static final String RegionBundleEventHook = "org.eclipse.equinox.internal.region.hook.RegionBundleEventHook";
private static final String RegionBundleFindHook = "org.eclipse.equinox.internal.region.hook.RegionBundleFindHook";
private static final String RegionResolverHook = "org.eclipse.equinox.internal.region.hook.RegionResolverHook";
private static final String RegionServiceEventHook = "org.eclipse.equinox.internal.region.hook.RegionServiceEventHook";
private static final String RegionServiceFindHook = "org.eclipse.equinox.internal.region.hook.RegionServiceFindHook";
private static final String BundleIdToRegionMapping = "org.eclipse.equinox.internal.region.BundleIdToRegionMapping";
public static Object newStandardBundleIdToRegionMapping() {
Class<?> clazz = loadRegionImplClass(StandardBundleIdToRegionMapping);
return newInstance(clazz);
}
private static Object newInstance(Class<?> clazz) {
try {
return clazz.newInstance();
} catch (InstantiationException e) {
fail(e.getMessage());
} catch (IllegalAccessException e) {
fail(e.getMessage());
}
return null;
}
private static Class<?> loadRegionImplClass(String name) {
try {
return regionCL.loadClass(name);
} catch (ClassNotFoundException e) {
fail(e.getMessage());
}
return null;
}
public static Region newBundleIdBasedRegion(String regionName, RegionDigraph regionDigraph, Object bundleIdToRegionMapping, BundleContext bundleContext, ThreadLocal<Region> threadLocal) {
Class<?> bundleIdBasedRegionClazz = loadRegionImplClass(BundleIdBasedRegion);
Class<?> bundleIdToRegionMappingClazz = loadRegionImplClass(BundleIdToRegionMapping);
Class<?>[] classParams = new Class<?>[] {String.class, RegionDigraph.class, bundleIdToRegionMappingClazz, BundleContext.class, ThreadLocal.class};
Object[] constructorArgs = new Object[] {regionName, regionDigraph, bundleIdToRegionMapping, bundleContext, threadLocal};
return (Region) newInstance(bundleIdBasedRegionClazz, classParams, constructorArgs);
}
private static Object newInstance(Class<?> clazz, Class<?>[] parameterTypes, Object[] constructorArgs) {
try {
Constructor<?> constructor = clazz.getConstructor(parameterTypes);
return constructor.newInstance(constructorArgs);
} catch (SecurityException e) {
fail(e.getMessage());
} catch (NoSuchMethodException e) {
fail(e.getMessage());
} catch (IllegalArgumentException e) {
fail(e.getMessage());
} catch (InstantiationException e) {
fail(e.getMessage());
} catch (IllegalAccessException e) {
fail(e.getMessage());
} catch (InvocationTargetException e) {
fail(e.getMessage());
}
return null;
}
public static void associateBundleWithRegion(Object bundleIdToRegionMapping, long bundleId, Region region) {
callMethod(bundleIdToRegionMapping, StandardBundleIdToRegionMapping_associateBundleWithRegion, new Class[] {long.class, Region.class}, new Object[] {bundleId, region});
}
public static void dissociateBundleFromRegion(Object bundleIdToRegionMapping, long bundleId, Region region) {
callMethod(bundleIdToRegionMapping, StandardBundleIdToRegionMapping_dissociateBundleFromRegion, new Class[] {long.class, Region.class}, new Object[] {bundleId, region});
}
private static Object callMethod(Object target, String methodName, Class<?>[] paramTypes, Object[] paramArgs) {
try {
Method method = target.getClass().getMethod(methodName, paramTypes);
return method.invoke(target, paramArgs);
} catch (SecurityException e) {
fail(e.getMessage());
} catch (NoSuchMethodException e) {
fail(e.getMessage());
} catch (IllegalArgumentException e) {
fail(e.getMessage());
} catch (IllegalAccessException e) {
fail(e.getMessage());
} catch (InvocationTargetException e) {
fail(e.getMessage());
}
return null;
}
public static Region getRegion(Object bundleIdToRegionMapping, long testBundleId) {
return (Region) callMethod(bundleIdToRegionMapping, StandardBundleIdToRegionMapping_getRegion, new Class<?>[] {long.class}, new Object[] {testBundleId});
}
public static boolean isBundleAssociatedWithRegion(Object bundleIdToRegionMapping, long testBundleId, Region region) {
return (Boolean) callMethod(bundleIdToRegionMapping, StandardBundleIdToRegionMapping_isBundleAssociatedWithRegion, new Class<?>[] {long.class, Region.class}, new Object[] {testBundleId, region});
}
@SuppressWarnings("unchecked")
public static Set<Long> getBundleIds(Object bundleIdToRegionMapping, Region region) {
return (Set<Long>) callMethod(bundleIdToRegionMapping, StandardBundleIdToRegionMapping_getBundleIds, new Class<?>[] {Region.class}, new Object[] {region});
}
public static void clear(Object bundleIdToRegionMapping) {
callMethod(bundleIdToRegionMapping, StandardBundleIdToRegionMapping_clear, null, null);
}
public static RegionDigraph newStandardRegionDigraph(BundleContext systemBundleContext, ThreadLocal<Region> threadLocal) {
Class<?> standardRegionDigraphClazz = loadRegionImplClass(StandardRegionDigraph);
Class<?>[] classParams = new Class<?>[] {BundleContext.class, ThreadLocal.class};
Object[] constructorArgs = new Object[] {systemBundleContext, threadLocal};
return (RegionDigraph) newInstance(standardRegionDigraphClazz, classParams, constructorArgs);
}
public static RegionDigraph newStandardRegionDigraph() {
Class<?> standardRegionDigraphClazz = loadRegionImplClass(StandardRegionDigraph);
Class<?>[] classParams = new Class<?>[] {standardRegionDigraphClazz};
Object[] constructorArgs = new Object[] {null};
return (RegionDigraph) newInstance(standardRegionDigraphClazz, classParams, constructorArgs);
}
public static RegionFilterBuilder newStandardRegionFilterBuilder() {
Class<?> standardRegionFilterBuilderClazz = loadRegionImplClass(StandardRegionFilterBuilder);
return (RegionFilterBuilder) newInstance(standardRegionFilterBuilderClazz);
}
public static CollisionHook newRegionBundleCollisionHook(RegionDigraph digraph, ThreadLocal<Region> threadLocal) {
Class<?> regionBundleCollisionHook = loadRegionImplClass(RegionBundleCollisionHook);
Class<?>[] classParams = new Class<?>[] {RegionDigraph.class, ThreadLocal.class};
Object[] constructorArgs = new Object[] {digraph, threadLocal};
return (CollisionHook) newInstance(regionBundleCollisionHook, classParams, constructorArgs);
}
public static EventHook newRegionBundleEventHook(RegionDigraph digraph, ThreadLocal<Region> threadLocal, long bundleId) {
Class<?> regionBundleEventHook = loadRegionImplClass(RegionBundleEventHook);
Class<?>[] classParams = new Class<?>[] {RegionDigraph.class, ThreadLocal.class, long.class};
Object[] constructorArgs = new Object[] {digraph, threadLocal, bundleId};
return (EventHook) newInstance(regionBundleEventHook, classParams, constructorArgs);
}
public static FindHook newRegionBundleFindHook(RegionDigraph digraph, long bundleId) {
Class<?> regionBundleFindHook = loadRegionImplClass(RegionBundleFindHook);
Class<?>[] classParams = new Class<?>[] {RegionDigraph.class, long.class};
Object[] constructorArgs = new Object[] {digraph, bundleId};
return (FindHook) newInstance(regionBundleFindHook, classParams, constructorArgs);
}
public static ResolverHook newRegionResolverHook(RegionDigraph digraph) {
Class<?> regionResolverHook = loadRegionImplClass(RegionResolverHook);
Class<?>[] classParams = new Class<?>[] {RegionDigraph.class};
Object[] constructorArgs = new Object[] {digraph};
return (ResolverHook) newInstance(regionResolverHook, classParams, constructorArgs);
}
public static org.osgi.framework.hooks.service.EventHook newRegionServiceEventHook(RegionDigraph digraph) {
Class<?> regionServiceEventHook = loadRegionImplClass(RegionServiceEventHook);
Class<?>[] classParams = new Class<?>[] {RegionDigraph.class};
Object[] constructorArgs = new Object[] {digraph};
return (org.osgi.framework.hooks.service.EventHook) newInstance(regionServiceEventHook, classParams, constructorArgs);
}
public static org.osgi.framework.hooks.service.FindHook newRegionServiceFindHook(RegionDigraph digraph) {
Class<?> regionServiceFindHook = loadRegionImplClass(RegionServiceFindHook);
Class<?>[] classParams = new Class<?>[] {RegionDigraph.class};
Object[] constructorArgs = new Object[] {digraph};
return (org.osgi.framework.hooks.service.FindHook) newInstance(regionServiceFindHook, classParams, constructorArgs);
}
}
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