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/model/translators/EnumToAttributeAdapter.java

@@ -0,0 +1,56 @@
+// 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.model.translators;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.adapters.XmlAdapter;
+
+/**
+ * Used by JAXB to convert enums to the peculiar EPP format that puts the value in an attribute.
+ *
+ * @param <E> the enum type
+ */
+public class EnumToAttributeAdapter<E extends Enum<E> & EnumToAttributeAdapter.EppEnum>
+    extends XmlAdapter<EnumToAttributeAdapter.EnumShim, E> {
+
+  /** Interface for epp enums that can be transformed with this adapter. */
+  public interface EppEnum {
+    String getXmlName();
+  }
+
+  /**
+   * EPP's peculiar enum format.
+   * <p>
+   * It's meant to allow more information inside the element, but it's an annoyance when we want to
+   * deal with pure enums.
+   */
+  static class EnumShim {
+    @XmlAttribute
+    String s;
+  }
+
+  // Enums that can be unmarshalled from input can override this.
+  @Override
+  public E unmarshal(EnumShim shim) throws Exception {
+    throw new UnsupportedOperationException();
+  }
+
+  @Override
+  public final EnumShim marshal(E enumeration) throws Exception {
+    EnumShim shim = new EnumShim();
+    shim.s = enumeration.getXmlName();
+    return shim;
+  }
+}