Import code from internal repository to git

java/com/google/domain/registry/flows/OwnedResourceMutateFlow.java

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+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// 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.domain.registry.flows;
+
+import static com.google.domain.registry.flows.ResourceFlowUtils.verifyResourceOwnership;
+
+import com.google.domain.registry.model.EppResource;
+import com.google.domain.registry.model.eppinput.ResourceCommand.SingleResourceCommand;
+
+/**
+ * An EPP flow that mutates a single stored resource that is owned by the current registrar.
+ *
+ * @param <R> the resource type being changed
+ * @param <C> the command type, marshalled directly from the epp xml
+ */
+public abstract class OwnedResourceMutateFlow
+    <R extends EppResource, C extends SingleResourceCommand>
+    extends ResourceMutateFlow<R, C> {
+  /** Fail if the object doesn't exist or was deleted. */
+  @Override
+  protected final void verifyMutationAllowed() throws EppException {
+    if (!superuser) {
+      verifyResourceOwnership(getClientId(), existingResource);
+    }
+    verifyMutationOnOwnedResourceAllowed();
+  }
+
+  /** Check invariants before allowing the command to proceed. */
+  @SuppressWarnings("unused")
+  protected void verifyMutationOnOwnedResourceAllowed() throws EppException {}
+}