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/security/JsonResponseHelper.java

@@ -0,0 +1,63 @@
+// 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.security;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
+
+import java.util.Map;
+
+/**
+ * Helper class for JSON API servlets to send response messages.
+ *
+ * @see JsonHttp
+ */
+public final class JsonResponseHelper {
+
+  /** Possible results of an RPC operation. */
+  public enum Status { SUCCESS, ERROR }
+
+  /** Creates a JSON response message securely to the browser client with a parser breaker. */
+  public static ImmutableMap<String, Object> create(
+      Status status, String message, Iterable<? extends Map<String, ?>> results) {
+    return ImmutableMap.<String, Object>of(
+        "status", status.toString(),
+        "message", checkNotNull(message, "message"),
+        "results", ImmutableList.copyOf(results));
+  }
+
+  /** Same as {@link #create(Status, String, Iterable)} but with zero results. */
+  public static ImmutableMap<String, Object> create(Status status, String message) {
+    return create(status, message, ImmutableList.<Map<String, ?>>of());
+  }
+
+  /** Same as {@link #create(Status, String, Iterable)} but with only one results. */
+  public static ImmutableMap<String, Object> create(
+      Status status, String message, Map<String, ?> result) {
+    return create(status, message, ImmutableList.<Map<String, ?>>of(result));
+  }
+
+  /** Creates a JSON response message when a submitted form field is invalid. */
+  public static ImmutableMap<String, Object> createFormFieldError(
+      String message, String formFieldName) {
+    return ImmutableMap.<String, Object>of(
+        "status", Status.ERROR.toString(),
+        "message", checkNotNull(message, "message"),
+        "field", checkNotNull(formFieldName, "formFieldName"),
+        "results", ImmutableList.of());
+  }
+}