/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.openejb.client.corba;
public final class InstanceOf {
private static final Class<?> STUB;
private static final Class<?> PORTABLE_REMOTE_OBJECT;
private static final Class<?> REMOTE;
static {
Class<?> stub = null;
Class<?> pro = null;
Class<?> remote = null;
try {
final ClassLoader loader = Thread.currentThread().getContextClassLoader();
stub = loader.loadClass("javax.rmi.CORBA.Stub");
pro = loader.loadClass("javax.rmi.PortableRemoteObject");
remote = loader.loadClass("java.rmi.Remote");
} catch (final ClassNotFoundException e) {
// no-op
}
STUB = stub;
PORTABLE_REMOTE_OBJECT = pro;
REMOTE = remote;
}
private InstanceOf() {
// no-op
}
public static boolean isStub(final Object instance) {
return STUB != null && STUB.isInstance(instance);
}
public static boolean isRemote(final Object obj) {
return REMOTE != null && PORTABLE_REMOTE_OBJECT != null && REMOTE.isInstance(obj) && PORTABLE_REMOTE_OBJECT.isInstance(obj);
}
}