Java 类com.fasterxml.jackson.databind.ser.std.StdKeySerializers 实例源码

/**
 * Method called to get the serializer to use for serializing
 * non-null Map keys. Separation from regular
 * {@link #findValueSerializer} method is because actual write
 * method must be different (@link JsonGenerator#writeFieldName};
 * but also since behavior for some key types may differ.
 *<p>
 * Note that the serializer itself can be called with instances
 * of any Java object, but not nulls.
 */
public JsonSerializer<Object> findKeySerializer(JavaType keyType,
        BeanProperty property)
    throws JsonMappingException
{
    JsonSerializer<Object> ser = _serializerFactory.createKeySerializer(_config, keyType);

    // First things first: maybe there are registered custom implementations
    // if not, use default one:
    if (ser == null) {
        if (_keySerializer == null) {
            ser = StdKeySerializers.getStdKeySerializer(keyType);
        } else {
            ser = _keySerializer;
        }
    }
    // 25-Feb-2011, tatu: As per [JACKSON-519], need to ensure contextuality works here, too
    return _handleContextualResolvable(ser, property);
}

public JsonSerializer<Object> createKeySerializer(SerializationConfig paramSerializationConfig, JavaType paramJavaType, JsonSerializer<Object> paramJsonSerializer)
{
  BeanDescription localBeanDescription = paramSerializationConfig.introspectClassAnnotations(paramJavaType.getRawClass());
  boolean bool = this._factoryConfig.hasKeySerializers();
  Object localObject = null;
  if (bool)
  {
    Iterator localIterator2 = this._factoryConfig.keySerializers().iterator();
    JsonSerializer localJsonSerializer;
    do
    {
      if (!localIterator2.hasNext())
        break;
      localJsonSerializer = ((Serializers)localIterator2.next()).findSerializer(paramSerializationConfig, paramJavaType, localBeanDescription);
      localObject = localJsonSerializer;
    }
    while (localJsonSerializer == null);
  }
  if (localObject == null)
  {
    localObject = paramJsonSerializer;
    if (paramJsonSerializer == null)
      localObject = StdKeySerializers.getStdKeySerializer(paramJavaType);
  }
  if (this._factoryConfig.hasSerializerModifiers())
  {
    Iterator localIterator1 = this._factoryConfig.serializerModifiers().iterator();
    while (localIterator1.hasNext())
      localObject = ((BeanSerializerModifier)localIterator1.next()).modifyKeySerializer(paramSerializationConfig, paramJavaType, localBeanDescription, (JsonSerializer)localObject);
  }
  return localObject;
}