content: /*
   * Copyright 1999-2018 Alibaba Group.
   *
   * 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.alibaba.fastjson.serializer;
  
  import java.io.IOException;
  import java.lang.reflect.Type;
  
  import com.alibaba.fastjson.parser.DefaultJSONParser;
  import com.alibaba.fastjson.parser.JSONToken;
  import com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
  import com.alibaba.fastjson.util.TypeUtils;
  
  /**
   * @author wenshao[szujobs@hotmail.com]
   */
  public class CharacterCodec implements ObjectSerializer, ObjectDeserializer {
  
      public final static CharacterCodec instance = new CharacterCodec();
  
      public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, int features) throws IOException {
          SerializeWriter out = serializer.out;
  
          Character value = (Character) object;
          if (value == null) {
              out.writeString("");
              return;
          }
  
          char c = value.charValue();
          if (c == 0) {
              out.writeString("\u0000");
          } else {
              out.writeString(value.toString());
          }
      }
  
      @SuppressWarnings("unchecked")
      public <T> T deserialze(DefaultJSONParser parser, Type clazz, Object fieldName) {
          Object value = parser.parse();
          return value == null //
              ? null //
              : (T) TypeUtils.castToChar(value);
      }
  
      public int getFastMatchToken() {
          return JSONToken.LITERAL_STRING;
      }
  }
  