1 files changed, 86 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/group/PutName.java b/java/com/google/gerrit/server/restapi/group/PutName.java
new file mode 100644
index 0000000000..1f1968a675
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/group/PutName.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.restapi.group;
+
+import com.google.common.base.Strings;
+import com.google.gerrit.common.data.GroupDescription;
+import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.extensions.common.NameInput;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.BadRequestException;
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.server.UserInitiated;
+import com.google.gerrit.server.group.GroupResource;
+import com.google.gerrit.server.group.db.GroupsUpdate;
+import com.google.gerrit.server.group.db.InternalGroupUpdate;
+import com.google.gwtorm.server.OrmDuplicateKeyException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+import java.io.IOException;
+import org.eclipse.jgit.errors.ConfigInvalidException;
+
+@Singleton
+public class PutName implements RestModifyView<GroupResource, NameInput> {
+  private final Provider<GroupsUpdate> groupsUpdateProvider;
+
+  @Inject
+  PutName(@UserInitiated Provider<GroupsUpdate> groupsUpdateProvider) {
+    this.groupsUpdateProvider = groupsUpdateProvider;
+  }
+
+  @Override
+  public String apply(GroupResource rsrc, NameInput input)
+      throws NotInternalGroupException, AuthException, BadRequestException,
+          ResourceConflictException, ResourceNotFoundException, IOException,
+          ConfigInvalidException {
+    GroupDescription.Internal internalGroup =
+        rsrc.asInternalGroup().orElseThrow(NotInternalGroupException::new);
+    if (!rsrc.getControl().isOwner()) {
+      throw new AuthException("Not group owner");
+    } else if (input == null || Strings.isNullOrEmpty(input.name)) {
+      throw new BadRequestException("name is required");
+    }
+    String newName = input.name.trim();
+    if (newName.isEmpty()) {
+      throw new BadRequestException("name is required");
+    }
+
+    if (internalGroup.getName().equals(newName)) {
+      return newName;
+    }
+
+    renameGroup(internalGroup, newName);
+    return newName;
+  }
+
+  private void renameGroup(GroupDescription.Internal group, String newName)
+      throws ResourceConflictException, ResourceNotFoundException, IOException,
+          ConfigInvalidException {
+    AccountGroup.UUID groupUuid = group.getGroupUUID();
+    InternalGroupUpdate groupUpdate =
+        InternalGroupUpdate.builder().setName(new AccountGroup.NameKey(newName)).build();
+    try {
+      groupsUpdateProvider.get().updateGroup(groupUuid, groupUpdate);
+    } catch (NoSuchGroupException e) {
+      throw new ResourceNotFoundException(String.format("Group %s not found", groupUuid));
+    } catch (OrmDuplicateKeyException e) {
+      throw new ResourceConflictException("group with name " + newName + " already exists");
+    }
+  }
+}