/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed 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
* http://www.apache.org/licenses/LICENSE-2.0
* 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.jboss.weld.bean.builtin;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.concurrent.Callable;
import org.jboss.weld.bean.proxy.MethodHandler;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.util.reflection.Reflections;
public class CallableMethodHandler implements MethodHandler, Serializable {
private static final long serialVersionUID = -1348302663981663427L;
private final Callable<?> callable;
public CallableMethodHandler(Callable<?> callable) {
this.callable = callable;
}
public Object invoke(Object self, Method proxiedMethod, Method proceed, Object[] args) throws Throwable {
Object instance = callable.call();
if (instance == null) {
throw BeanLogger.LOG.nullInstance(callable);
}
Object returnValue = Reflections.invokeAndUnwrap(instance, proxiedMethod, args);
BeanLogger.LOG.callProxiedMethod(proxiedMethod, instance, args, returnValue == null ? null : returnValue);
return returnValue;
}
}