/*
    * Copyright (C) 2012 Atlassian
    *
    * 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.atlassian.jira.rest.client.internal.json;
  
  import com.atlassian.jira.rest.client.api.domain.CustomFieldOption;
  import org.codehaus.jettison.json.JSONArray;
  import org.codehaus.jettison.json.JSONException;
  import org.codehaus.jettison.json.JSONObject;
  
  import java.net.URI;
  import java.util.Collections;
  
  /**
   * JSON parser for CustomFieldOption
   *
   * @since v1.0
   */
  public class CustomFieldOptionJsonParser implements JsonObjectParser<CustomFieldOption> {
  
      private final JsonArrayParser<Iterable<CustomFieldOption>> childrenParser = GenericJsonArrayParser.create(this);
  
      @Override
      public CustomFieldOption parse(JSONObject json) throws JSONException {
          final URI selfUri = JsonParseUtil.getSelfUri(json);
          final long id = json.getLong("id");
          final String value = json.getString("value");
  
          final JSONArray childrenArray = json.optJSONArray("children");
          final Iterable<CustomFieldOption> children = (childrenArray != null)
                  ? childrenParser.parse(childrenArray)
                  : Collections.<CustomFieldOption>emptyList();
  
          final JSONObject childObject = json.optJSONObject("child");
          final CustomFieldOption child = (childObject != null) ? parse(childObject) : null;
  
          return new CustomFieldOption(id, selfUri, value, children, child);
      }
  }