1 files changed, 63 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/restapi/project/DeleteBranch.java b/java/com/google/gerrit/server/restapi/project/DeleteBranch.java
new file mode 100644
index 0000000000..0134ce3fca
--- /dev/null
+++ b/java/com/google/gerrit/server/restapi/project/DeleteBranch.java
@@ -0,0 +1,63 @@
+// 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.project;
+
+import static com.google.gerrit.reviewdb.client.RefNames.isConfigRef;
+import static org.eclipse.jgit.lib.Constants.R_HEADS;
+
+import com.google.gerrit.extensions.common.Input;
+import com.google.gerrit.extensions.restapi.MethodNotAllowedException;
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
+import com.google.gerrit.extensions.restapi.Response;
+import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.server.permissions.PermissionBackendException;
+import com.google.gerrit.server.project.BranchResource;
+import com.google.gerrit.server.query.change.InternalChangeQuery;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.Singleton;
+import java.io.IOException;
+
+@Singleton
+public class DeleteBranch implements RestModifyView<BranchResource, Input> {
+
+  private final Provider<InternalChangeQuery> queryProvider;
+  private final DeleteRef deleteRef;
+
+  @Inject
+  DeleteBranch(Provider<InternalChangeQuery> queryProvider, DeleteRef deleteRef) {
+    this.queryProvider = queryProvider;
+    this.deleteRef = deleteRef;
+  }
+
+  @Override
+  public Response<?> apply(BranchResource rsrc, Input input)
+      throws RestApiException, OrmException, IOException, PermissionBackendException {
+    if (isConfigRef(rsrc.getBranchKey().get())) {
+      // Never allow to delete the meta config branch.
+      throw new MethodNotAllowedException(
+          "not allowed to delete branch " + rsrc.getBranchKey().get());
+    }
+
+    if (!queryProvider.get().setLimit(1).byBranchOpen(rsrc.getBranchKey()).isEmpty()) {
+      throw new ResourceConflictException("branch " + rsrc.getBranchKey() + " has open changes");
+    }
+
+    deleteRef.deleteSingleRef(rsrc.getProjectState(), rsrc.getRef(), R_HEADS);
+    return Response.none();
+  }
+}