1 /**
2 * Copyright 2005-2014 The Kuali Foundation
3 *
4 * Licensed under the Educational Community License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.opensource.org/licenses/ecl2.php
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.kuali.rice.krad.util;
17
18 import org.kuali.rice.krad.util.GlobalVariables;
19
20 import java.lang.reflect.InvocationHandler;
21 import java.lang.reflect.Method;
22 import java.util.concurrent.Callable;
23
24 /**
25 * A proxy invocationhandler that implements around advice which pushes a new GlobalVariables frame before
26 * invocation and pops it after invocation.
27 * @see GlobalVariables#doInNewGlobalVariables
28 */
29 public class GlobalVariablesContextInvocationHandler implements InvocationHandler {
30 private Object proxied;
31 public GlobalVariablesContextInvocationHandler(Object proxied) {
32 this.proxied = proxied;
33 }
34
35 @Override
36 public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
37 return GlobalVariables.doInNewGlobalVariables(new Callable() {
38 @Override
39 public Object call() throws Exception {
40 return method.invoke(proxied, args);
41 }
42 });
43 }
44 }