Import code from internal repository to git

java/com/google/domain/registry/model/domain/fee/BaseFeeCommandResponse.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.model.domain.fee;
+
+import com.google.common.collect.ImmutableList;
+import com.google.domain.registry.model.Buildable.GenericBuilder;
+import com.google.domain.registry.model.ImmutableObject;
+
+import org.joda.money.CurrencyUnit;
+
+import java.util.List;
+
+import javax.xml.bind.annotation.XmlTransient;
+
+/** Base class for fee responses on general transform commands (create, update, renew, transfer). */
+@XmlTransient
+public class BaseFeeCommandResponse extends ImmutableObject {
+
+  /** The currency of the fee. */
+  CurrencyUnit currency;
+
+  /**
+   * The magnitude of the fee, in the specified units, with an optional description.
+   * <p>
+   * This is a list because a single operation can involve multiple fees.
+   */
+  List<Fee> fee;
+
+  /** Abstract builder for {@link BaseFeeCommandResponse}. */
+  public abstract static class Builder<T extends BaseFeeCommandResponse, B extends Builder<?, ?>>
+      extends GenericBuilder<T, B> {
+    public B setCurrency(CurrencyUnit currency) {
+      getInstance().currency = currency;
+      return thisCastToDerived();
+    }
+
+    public B setFee(ImmutableList<Fee> fee) {
+      getInstance().fee = fee;
+      return thisCastToDerived();
+    }
+  }
+}