1 files changed, 86 insertions, 0 deletions
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/group/PutOwner.java b/gerrit-server/src/main/java/com/google/gerrit/server/group/PutOwner.java
new file mode 100644
index 0000000000..ca6c06fe09
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/group/PutOwner.java
@@ -0,0 +1,86 @@
+// Copyright (C) 2013 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.group;
+
+import com.google.common.base.Strings;
+import com.google.gerrit.common.data.GroupDescription;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.BadRequestException;
+import com.google.gerrit.extensions.restapi.DefaultInput;
+import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.account.GroupCache;
+import com.google.gerrit.server.group.GroupJson.GroupInfo;
+import com.google.gerrit.server.group.PutOwner.Input;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+import java.util.Collections;
+
+public class PutOwner implements RestModifyView<GroupResource, Input> {
+  static class Input {
+    @DefaultInput
+    String owner;
+  }
+
+  private final Provider<GroupsCollection> groupsCollection;
+  private final GroupCache groupCache;
+  private final ReviewDb db;
+  private final GroupJson json;
+
+  @Inject
+  PutOwner(Provider<GroupsCollection> groupsCollection, GroupCache groupCache,
+      ReviewDb db, GroupJson json) {
+    this.groupsCollection = groupsCollection;
+    this.groupCache = groupCache;
+    this.db = db;
+    this.json = json;
+  }
+
+  @Override
+  public GroupInfo apply(GroupResource resource, Input input)
+      throws ResourceNotFoundException, MethodNotAllowedException,
+      AuthException, BadRequestException, UnprocessableEntityException,
+      OrmException {
+    AccountGroup group = resource.toAccountGroup();
+    if (group == null) {
+      throw new MethodNotAllowedException();
+    } else if (!resource.getControl().isOwner()) {
+      throw new AuthException("Not group owner");
+    }
+
+    if (input == null || Strings.isNullOrEmpty(input.owner)) {
+      throw new BadRequestException("owner is required");
+    }
+
+    group = db.accountGroups().get(group.getId());
+    if (group == null) {
+      throw new ResourceNotFoundException();
+    }
+
+    GroupDescription.Basic owner = groupsCollection.get().parse(input.owner);
+    if (!group.getOwnerGroupUUID().equals(owner.getGroupUUID())) {
+      group.setOwnerGroupUUID(owner.getGroupUUID());
+      db.accountGroups().update(Collections.singleton(group));
+      groupCache.evict(group);
+    }
+    return json.format(owner);
+  }
+}