google-nomulus/java/google/registry/model/domain/fee/FeeCheckCommandExtensionItem.java

// Copyright 2016 The Nomulus 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 google.registry.model.domain.fee;

/**
 * Interface for individual fee extension items in Check commands. These are derived from the more
 * general query items (which cover Info commands as well), but may also contain a domain name,
 * depending on the version of the fee extension.
 */
public interface FeeCheckCommandExtensionItem extends FeeQueryCommandExtensionItem {

  /** True if this version of the fee extension supports domain names in Check items. */
  public boolean isDomainNameSupported();

  /** The domain name being checked; throws an exception if domain names are not supported. */
  public String getDomainName() throws UnsupportedOperationException;

  /** Create a builder for a matching fee check response item. */
  public FeeCheckResponseExtensionItem.Builder createResponseBuilder();
}