1 files changed, 90 insertions, 0 deletions
diff --git a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/topic/DeferTopic.java b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/topic/DeferTopic.java
new file mode 100644
index 0000000000..33e0f69c27
--- /dev/null
+++ b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/rpc/topic/DeferTopic.java
@@ -0,0 +1,90 @@
+// Copyright (C) 2011 The Android Open Source Project,
+// Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+//
+// 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.httpd.rpc.topic;
+
+import com.google.gerrit.common.ChangeHookRunner;
+import com.google.gerrit.common.data.TopicDetail;
+import com.google.gerrit.common.errors.NoSuchEntityException;
+import com.google.gerrit.httpd.rpc.Handler;
+import com.google.gerrit.reviewdb.ChangeSet;
+import com.google.gerrit.reviewdb.ReviewDb;
+import com.google.gerrit.reviewdb.Topic;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.TopicUtil;
+import com.google.gerrit.server.mail.DeferredSender;
+import com.google.gerrit.server.mail.EmailException;
+import com.google.gerrit.server.project.InvalidChangeOperationException;
+import com.google.gerrit.server.project.NoSuchChangeException;
+import com.google.gerrit.server.project.NoSuchTopicException;
+import com.google.gerrit.server.project.TopicControl;
+import com.google.gwtorm.client.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.assistedinject.Assisted;
+
+import javax.annotation.Nullable;
+
+class DeferTopic extends Handler<TopicDetail> {
+  interface Factory {
+    DeferTopic create(ChangeSet.Id changeSetId, String message);
+  }
+
+  private final TopicControl.Factory topicControlFactory;
+  private final ReviewDb db;
+  private final IdentifiedUser currentUser;
+  private final DeferredSender.Factory deferredSenderFactory;
+  private final TopicDetailFactory.Factory topicDetailFactory;
+
+  private final ChangeSet.Id changeSetId;
+  @Nullable
+  private final String message;
+
+  private final ChangeHookRunner hooks;
+
+  @Inject
+  DeferTopic(final TopicControl.Factory topicControlFactory,
+      final ReviewDb db, final IdentifiedUser currentUser,
+      final DeferredSender.Factory deferredSenderFactory,
+      final TopicDetailFactory.Factory topicDetailFactory,
+      @Assisted final ChangeSet.Id changeSetId,
+      @Assisted @Nullable final String message, final ChangeHookRunner hooks) {
+    this.db = db;
+    this.currentUser = currentUser;
+    this.deferredSenderFactory = deferredSenderFactory;
+    this.topicControlFactory = topicControlFactory;
+    this.topicDetailFactory = topicDetailFactory;
+
+    this.changeSetId = changeSetId;
+    this.message = message;
+    this.hooks = hooks;
+  }
+
+  @Override
+  public TopicDetail call() throws NoSuchTopicException, NoSuchChangeException,
+      OrmException, EmailException, NoSuchEntityException,
+      ChangeSetInfoNotAvailableException, InvalidChangeOperationException {
+
+    final Topic.Id topicId = changeSetId.getParentKey();
+    final TopicControl topicControl = topicControlFactory.validateFor(topicId);
+    if (!topicControl.canDefer()) {
+      throw new NoSuchTopicException(topicId);
+    }
+
+    TopicUtil.defer(changeSetId, currentUser, message, db,
+        deferredSenderFactory, hooks);
+
+    return topicDetailFactory.create(topicId).call();
+  }
+}