1 files changed, 55 insertions, 0 deletions
diff --git a/java/com/google/gerrit/server/project/RefValidationHelper.java b/java/com/google/gerrit/server/project/RefValidationHelper.java
new file mode 100644
index 0000000000..0a5980ca97
--- /dev/null
+++ b/java/com/google/gerrit/server/project/RefValidationHelper.java
@@ -0,0 +1,55 @@
+// Copyright (C) 2014 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.project;
+
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
+import com.google.gerrit.reviewdb.client.Project;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.git.validators.RefOperationValidators;
+import com.google.gerrit.server.validators.ValidationException;
+import com.google.inject.Inject;
+import com.google.inject.assistedinject.Assisted;
+import org.eclipse.jgit.lib.RefUpdate;
+import org.eclipse.jgit.transport.ReceiveCommand.Type;
+
+public class RefValidationHelper {
+  public interface Factory {
+    RefValidationHelper create(Type operationType);
+  }
+
+  private final RefOperationValidators.Factory refValidatorsFactory;
+  private final Type operationType;
+
+  @Inject
+  RefValidationHelper(
+      RefOperationValidators.Factory refValidatorsFactory, @Assisted Type operationType) {
+    this.refValidatorsFactory = refValidatorsFactory;
+    this.operationType = operationType;
+  }
+
+  public void validateRefOperation(String projectName, IdentifiedUser user, RefUpdate update)
+      throws ResourceConflictException {
+    RefOperationValidators refValidators =
+        refValidatorsFactory.create(
+            new Project(new Project.NameKey(projectName)),
+            user,
+            RefOperationValidators.getCommand(update, operationType));
+    try {
+      refValidators.validateForRefOperation();
+    } catch (ValidationException e) {
+      throw new ResourceConflictException(e.getMessage());
+    }
+  }
+}