01 /*
02 * Copyright 2008-2016 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
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.codehaus.griffon.runtime.groovy.event;
17
18 import groovy.lang.Closure;
19 import org.codehaus.griffon.runtime.core.event.DefaultEventRouter;
20
21 import javax.annotation.Nonnull;
22 import java.lang.reflect.Proxy;
23
24 import static griffon.util.GriffonClassUtils.getFieldValue;
25 import static java.lang.reflect.Proxy.getInvocationHandler;
26
27 /**
28 * @author Andres Almiray
29 * @since 2.5.0
30 */
31 public class GroovyAwareDefaultEventRouter extends DefaultEventRouter {
32 @Override
33 protected boolean isNestedListener(@Nonnull Object listener, @Nonnull Object owner) {
34 if (listener instanceof Proxy) {
35 try {
36 Object delegate = getFieldValue(getInvocationHandler(listener), "delegate");
37 if (delegate instanceof Closure) {
38 return owner.equals(((Closure) delegate).getOwner());
39 }
40 } catch (Exception e) {
41 // ignore
42 }
43 }
44 return super.isNestedListener(listener, owner);
45 }
46 }
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