Java example source code file (StringCatcher.java)

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Java - Java tags/keywords

annotation, event, list, string, stringcatcher, subscribe, util

The StringCatcher.java Java example source code

/*
 * Copyright (C) 2007 The Guava Authors
 *
 * 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 com.google.common.eventbus;

import com.google.common.collect.Lists;

import junit.framework.Assert;

import java.util.List;

import javax.annotation.Nullable;

/**
 * A simple EventSubscriber mock that records Strings.
 *
 * For testing fun, also includes a landmine method that EventBus tests are
 * required <em>not to call ({@link #methodWithoutAnnotation(String)}).
 *
 * @author Cliff Biffle
 */
public class StringCatcher {
  private List<String> events = Lists.newArrayList();

  @Subscribe
  public void hereHaveAString(@Nullable String string) {
    events.add(string);
  }

  public void methodWithoutAnnotation(@Nullable String string) {
    Assert.fail("Event bus must not call methods without @Subscribe!");
  }

  public List<String> getEvents() {
    return events;
  }
}