1 files changed, 64 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/events/EventTypes.java b/java/com/google/gerrit/server/events/EventTypes.java
new file mode 100644
index 0000000000..5498ec8eb1
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+++ b/java/com/google/gerrit/server/events/EventTypes.java
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+// Copyright (C) 2014 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.google.gerrit.server.events;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/** Class for registering event types */
+public class EventTypes {
+  private static final Map<String, Class<?>> typesByString = new HashMap<>();
+
+  static {
+    register(AssigneeChangedEvent.TYPE, AssigneeChangedEvent.class);
+    register(ChangeAbandonedEvent.TYPE, ChangeAbandonedEvent.class);
+    register(ChangeDeletedEvent.TYPE, ChangeDeletedEvent.class);
+    register(ChangeMergedEvent.TYPE, ChangeMergedEvent.class);
+    register(ChangeRestoredEvent.TYPE, ChangeRestoredEvent.class);
+    register(CommentAddedEvent.TYPE, CommentAddedEvent.class);
+    register(CommitReceivedEvent.TYPE, CommitReceivedEvent.class);
+    register(HashtagsChangedEvent.TYPE, HashtagsChangedEvent.class);
+    register(PatchSetCreatedEvent.TYPE, PatchSetCreatedEvent.class);
+    register(PrivateStateChangedEvent.TYPE, PrivateStateChangedEvent.class);
+    register(ProjectCreatedEvent.TYPE, ProjectCreatedEvent.class);
+    register(RefReceivedEvent.TYPE, RefReceivedEvent.class);
+    register(RefUpdatedEvent.TYPE, RefUpdatedEvent.class);
+    register(ReviewerAddedEvent.TYPE, ReviewerAddedEvent.class);
+    register(ReviewerDeletedEvent.TYPE, ReviewerDeletedEvent.class);
+    register(TopicChangedEvent.TYPE, TopicChangedEvent.class);
+    register(VoteDeletedEvent.TYPE, VoteDeletedEvent.class);
+    register(WorkInProgressStateChangedEvent.TYPE, WorkInProgressStateChangedEvent.class);
+  }
+
+  /**
+   * Register an event type and associated class.
+   *
+   * @param eventType The event type to register.
+   * @param eventClass The event class to register.
+   */
+  public static void register(String eventType, Class<? extends Event> eventClass) {
+    typesByString.put(eventType, eventClass);
+  }
+
+  /**
+   * Get the class for an event type.
+   *
+   * @param type The type.
+   * @return The event class, or null if no class is registered with the given type
+   */
+  public static Class<?> getClass(String type) {
+    return typesByString.get(type);
+  }
+}