1 /*
2  * Copyright (C) 2007 The Guava Authors
3  *
4  * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
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 
17 package com.google.common.eventbus;
18 
19 import com.google.common.collect.Lists;
20 import java.util.List;
21 import junit.framework.Assert;
22 import org.checkerframework.checker.nullness.compatqual.NullableDecl;
23 
24 /**
25  * A simple EventSubscriber mock that records Strings.
26  *
27  * <p>For testing fun, also includes a landmine method that EventBus tests are required <em>not</em>
28  * to call ({@link #methodWithoutAnnotation(String)}).
29  *
30  * @author Cliff Biffle
31  */
32 public class StringCatcher {
33   private List<String> events = Lists.newArrayList();
34 
35   @Subscribe
hereHaveAString(@ullableDecl String string)36   public void hereHaveAString(@NullableDecl String string) {
37     events.add(string);
38   }
39 
methodWithoutAnnotation(@ullableDecl String string)40   public void methodWithoutAnnotation(@NullableDecl String string) {
41     Assert.fail("Event bus must not call methods without @Subscribe!");
42   }
43 
getEvents()44   public List<String> getEvents() {
45     return events;
46   }
47 }
48