Add new SSH command to rename groups

Change-Id: Ie113bf27b778582ab02dd39220acd9b94563b8c4
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/MasterCommandModule.java

@@ -28,6 +28,7 @@ public class MasterCommandModule extends CommandModule {
     command(gerrit, "approve").to(ReviewCommand.class);
     command(gerrit, "create-account").to(CreateAccountCommand.class);
     command(gerrit, "create-group").to(CreateGroupCommand.class);
+    command(gerrit, "rename-group").to(RenameGroupCommand.class);
     command(gerrit, "create-project").to(CreateProject.class);
     command(gerrit, "gsql").to(AdminQueryShell.class);
     command(gerrit, "set-reviewers").to(SetReviewersCommand.class);

gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/RenameGroupCommand.java

@@ -0,0 +1,58 @@
+// Copyright (C) 2011 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.sshd.commands;
+
+import com.google.gerrit.common.errors.NameAlreadyUsedException;
+import com.google.gerrit.common.errors.NoSuchGroupException;
+import com.google.gerrit.server.account.PerformRenameGroup;
+import com.google.gerrit.sshd.BaseCommand;
+import com.google.gwtorm.client.OrmException;
+import com.google.inject.Inject;
+
+import org.apache.sshd.server.Environment;
+import org.kohsuke.args4j.Argument;
+
+import java.io.IOException;
+
+public class RenameGroupCommand extends BaseCommand {
+
+  @Argument(index = 0, required = true, metaVar = "GROUP", usage = "name of the group to be renamed")
+  private String groupName;
+
+  @Argument(index = 1, required = true, metaVar = "NEWNAME", usage = "new name of the group")
+  private String newGroupName;
+
+  @Inject
+  private PerformRenameGroup.Factory performRenameGroupFactory;
+
+  @Override
+  public void start(final Environment env) throws IOException {
+    startThread(new CommandRunnable() {
+      @Override
+      public void run() throws Exception {
+        parseCommandLine();
+        try {
+          performRenameGroupFactory.create().renameGroup(groupName, newGroupName);
+        } catch (OrmException e) {
+          throw die(e);
+        } catch (NameAlreadyUsedException e) {
+          throw die(e);
+        } catch (NoSuchGroupException e) {
+          throw die(e);
+        }
+      }
+    });
+  }
+}