/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.servicecomb.swagger.extend.introspector;

import org.springframework.util.StringUtils;

import com.fasterxml.jackson.annotation.JsonProperty;

import io.swagger.jackson.SwaggerAnnotationIntrospector;

public class JsonPropertyIntrospector extends SwaggerAnnotationIntrospector {

  private static final long serialVersionUID = 4157263023893695762L;

  @SuppressWarnings("deprecation")
  @Override
  public String findEnumValue(Enum<?> value) {
    try {
      JsonProperty annotation = value.getClass().getField(value.name()).getAnnotation(JsonProperty.class);
      if (null == annotation || StringUtils.isEmpty(annotation.value())) {
        return super.findEnumValue(value);
      }
      return annotation.value();
    } catch (NoSuchFieldException e) {
      return super.findEnumValue(value);
    }
  }
}
