src/main/java/com/googlesource/gerrit/plugins/multisite/forwarder/events/EventFamily.java

// Copyright (C) 2019 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.multisite.forwarder.events;

import com.google.common.base.CaseFormat;

public enum EventFamily {
  INDEX_EVENT("GERRIT.EVENT.INDEX"),
  CACHE_EVENT("GERRIT.EVENT.CACHE"),
  PROJECT_LIST_EVENT("GERRIT.EVENT.PROJECT.LIST"),
  STREAM_EVENT("GERRIT.EVENT.STREAM");

  private final String topic;

  private EventFamily(String topic) {
    this.topic = topic;
  }

  public String lowerCamelName() {
    return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, name());
  }

  public String topic() {
    return topic;
  }

  public static EventFamily fromTopic(String topic) {
    EventFamily[] eventFamilies = EventFamily.values();
    for (EventFamily eventFamily : eventFamilies) {
      if (eventFamily.topic.equals(topic)) {
        return eventFamily;
      }
    }
    return null;
  }
}