/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* 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.uberfire.mocks;
import java.lang.reflect.Method;
import com.google.common.base.Defaults;
import org.jboss.errai.common.client.api.ErrorCallback;
import org.jboss.errai.common.client.api.RemoteCallback;
public class CallerProxy implements java.lang.reflect.InvocationHandler {
private Object target;
private RemoteCallback<Object> successCallBack;
private ErrorCallback<Object> errorCallBack;
private CallerProxy(final Object target) {
this.target = target;
}
static Object newInstance(final Object target) {
return java.lang.reflect.Proxy.newProxyInstance(target.getClass().getClassLoader(),
target
.getClass().getInterfaces(),
new CallerProxy(target));
}
public void setSuccessCallBack(final RemoteCallback<Object> successCallBack) {
this.successCallBack = successCallBack;
}
public void setErrorCallBack(final ErrorCallback<Object> errorCallBack) {
this.errorCallBack = errorCallBack;
}
public Object invoke(final Object proxy,
final Method m,
final Object[] args) throws Throwable {
Object result = null;
try {
result = m.invoke(target,
args);
} catch (Exception e) {
if (errorCallBack != null) {
errorCallBack.error(result,
e);
}
if (m.getReturnType().isPrimitive()) {
return Defaults.defaultValue(m.getReturnType());
} else {
return result;
}
}
if (successCallBack != null) {
successCallBack.callback(result);
}
return result;
}
}