01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.codehaus.griffon.runtime.groovy.event;
19
20 import groovy.lang.Closure;
21 import org.codehaus.griffon.runtime.core.event.DefaultEventRouter;
22
23 import javax.annotation.Nonnull;
24 import java.lang.reflect.Proxy;
25
26 import static griffon.util.GriffonClassUtils.getFieldValue;
27 import static java.lang.reflect.Proxy.getInvocationHandler;
28
29 /**
30 * @author Andres Almiray
31 * @since 2.5.0
32 */
33 public class GroovyAwareDefaultEventRouter extends DefaultEventRouter {
34 @Override
35 protected boolean isNestedListener(@Nonnull Object listener, @Nonnull Object owner) {
36 if (listener instanceof Proxy) {
37 try {
38 Object delegate = getFieldValue(getInvocationHandler(listener), "delegate");
39 if (delegate instanceof Closure) {
40 return owner.equals(((Closure) delegate).getOwner());
41 }
42 } catch (Exception e) {
43 // ignore
44 }
45 }
46 return super.isNestedListener(listener, owner);
47 }
48 }
|