mv com/google/domain/registry google/registry

This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.

java/google/registry/flows/ResourceTransferQueryFlow.java

@@ -0,0 +1,72 @@
+// Copyright 2016 The Domain Registry Authors. 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.createTransferResponse;
+import static com.google.domain.registry.model.eppoutput.Result.Code.Success;
+
+import com.google.domain.registry.flows.EppException.AuthorizationErrorException;
+import com.google.domain.registry.flows.EppException.CommandUseErrorException;
+import com.google.domain.registry.model.EppResource;
+import com.google.domain.registry.model.eppinput.ResourceCommand.SingleResourceCommand;
+import com.google.domain.registry.model.eppoutput.EppOutput;
+
+/**
+ * An EPP flow that queries the state of a pending transfer on a resource.
+ *
+ * @param <R> the resource type being manipulated
+ * @param <C> the command type, marshalled directly from the epp xml
+ */
+public abstract class ResourceTransferQueryFlow<R extends EppResource,
+       C extends SingleResourceCommand> extends ResourceQueryFlow<R, C> {
+
+  @Override
+  protected final void verifyQueryIsAllowed() throws EppException {
+    // Most of the fields on the transfer response are required, so there's no way to return valid
+    // XML if the object has never been transferred (and hence the fields aren't populated).
+    if (existingResource.getTransferData().getTransferStatus() == null) {
+      throw new NoTransferHistoryToQueryException();
+    }
+
+    // Note that the authorization info on the command (if present) has already been verified by the
+    // parent class. If it's present, then the other checks are unnecessary.
+    if (command.getAuthInfo() == null &&
+        !getClientId().equals(existingResource.getTransferData().getGainingClientId()) &&
+        !getClientId().equals(existingResource.getTransferData().getLosingClientId())) {
+      throw new NotAuthorizedToViewTransferException();
+    }
+  }
+
+  @Override
+  public final EppOutput runResourceFlow() throws EppException {
+    return createOutput(
+        Success, createTransferResponse(existingResource, existingResource.getTransferData(), now));
+  }
+
+  /** Registrar is not authorized to view transfer status. */
+  public static class NotAuthorizedToViewTransferException
+      extends AuthorizationErrorException {
+    public NotAuthorizedToViewTransferException() {
+      super("Registrar is not authorized to view transfer status");
+    }
+  }
+
+  /** Object has no transfer history. */
+  public static class NoTransferHistoryToQueryException extends CommandUseErrorException {
+    public NoTransferHistoryToQueryException() {
+      super("Object has no transfer history");
+    }
+  }
+}