content: package com.alibaba.fastjson.parser.deserializer;
  
  import java.lang.reflect.Array;
  import java.lang.reflect.Type;
  
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.parser.DefaultJSONParser;
  import com.alibaba.fastjson.parser.JSONLexer;
  import com.alibaba.fastjson.parser.JSONToken;
  import com.alibaba.fastjson.util.TypeUtils;
  
  public class ArrayDeserializer implements ObjectDeserializer {
  
      public final static ArrayDeserializer instance = new ArrayDeserializer();
  
      @SuppressWarnings({ "unchecked", "rawtypes" })
      public <T> T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
          final JSONLexer lexer = parser.getLexer();
          if (lexer.token() == JSONToken.NULL) {
              lexer.nextToken(JSONToken.COMMA);
              return null;
          }
          
          if (lexer.token() == JSONToken.LITERAL_STRING) {
              byte[] bytes = lexer.bytesValue();
              lexer.nextToken(JSONToken.COMMA);
              return (T) bytes;
          }
          
          Class clazz = (Class) type;
          Class componentType = clazz.getComponentType();
          JSONArray array = new JSONArray();
          parser.parseArray(componentType, array, fieldName);
  
          return (T) toObjectArray(parser, clazz, array);
      }
  
      @SuppressWarnings("unchecked")
      private <T> T toObjectArray(DefaultJSONParser parser, Class<T> clazz, JSONArray array) {
          if (array == null) {
              return null;
          }
          
          int size = array.size();
  
          Class<?> componentType = clazz.getComponentType();
          Object objArray = Array.newInstance(componentType, size);
          for (int i = 0; i < size; ++i) {
              Object value = array.get(i);
  
              if (componentType.isArray()) {
                  Object element;
                  if (componentType.isInstance(value)) {
                      element = value;    
                  } else {
                      element = toObjectArray(parser, componentType, (JSONArray) value);
                  }
                  
                  Array.set(objArray, i, element);
              } else {
                  Object element = TypeUtils.cast(value, componentType, parser.getConfig());
                  Array.set(objArray, i, element);
              }
          }
          
          array.setRelatedArray(objArray);
          array.setComponentType(componentType);
          return (T) objArray; // TODO
      }
  
      public int getFastMatchToken() {
          return JSONToken.LBRACKET;
      }
  }
  