/*
 * 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.common.rest.codec;

import java.text.FieldPosition;
import java.util.Date;

import com.fasterxml.jackson.core.JsonParser.Feature;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.fasterxml.jackson.databind.util.ISO8601DateFormat;
import com.fasterxml.jackson.databind.util.ISO8601Utils;

@SuppressWarnings("deprecation")
public final class RestObjectMapper extends ObjectMapper {
  public static final RestObjectMapper INSTANCE = new RestObjectMapper();

  private static final long serialVersionUID = -8158869347066287575L;

  private static final JavaType STRING_JAVA_TYPE = TypeFactory.defaultInstance().constructType(String.class);

  private RestObjectMapper() {
    // swagger中要求date使用ISO8601格式传递，这里与之做了功能绑定，这在cse中是没有问题的
    setDateFormat(new ISO8601DateFormat() {
      private static final long serialVersionUID = 7798938088541203312L;

      // to support millis
      @Override
      public StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition) {
        String value = ISO8601Utils.format(date, true);
        toAppendTo.append(value);
        return toAppendTo;
      }
    });

    getFactory().disable(Feature.AUTO_CLOSE_SOURCE);
    disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
    disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
  }

  public String convertToString(Object value) throws Exception {
    return convertValue(value, STRING_JAVA_TYPE);
  }
}
