Class ToStringSerializer

  • All Implemented Interfaces:
    JsonFormatVisitable, SchemaAware, java.io.Serializable

    public class ToStringSerializer
    extends StdSerializer<java.lang.Object>
    Simple general purpose serializer, useful for any type for which Object.toString() returns the desired JSON value.
    See Also:
    Serialized Form
    • Constructor Detail

      • ToStringSerializer

        public ToStringSerializer()

        Note: usually you should NOT create new instances, but instead use instance which is stateless and fully thread-safe. However, there are cases where constructor is needed; for example, when using explicit serializer annotations like JsonSerialize.using().

      • ToStringSerializer

        public ToStringSerializer​(java.lang.Class<?> handledType)
        Sometimes it may actually make sense to retain actual handled type, so...
        Since:
        2.5
    • Method Detail

      • isEmpty

        public boolean isEmpty​(SerializerProvider prov,
                               java.lang.Object value)
        Description copied from class: JsonSerializer
        Method called to check whether given serializable value is considered "empty" value (for purposes of suppressing serialization of empty values).

        Default implementation will consider only null values to be empty.

        NOTE: replaces JsonSerializer.isEmpty(Object), which was deprecated in 2.5

        Overrides:
        isEmpty in class JsonSerializer<java.lang.Object>
      • serialize

        public void serialize​(java.lang.Object value,
                              com.fasterxml.jackson.core.JsonGenerator gen,
                              SerializerProvider provider)
                       throws java.io.IOException
        Description copied from class: JsonSerializer
        Method that can be called to ask implementation to serialize values of type this serializer handles.
        Specified by:
        serialize in class StdSerializer<java.lang.Object>
        Parameters:
        value - Value to serialize; can not be null.
        gen - Generator used to output resulting Json content
        provider - Provider that can be used to get serializers for serializing Objects value contains, if any.
        Throws:
        java.io.IOException
      • serializeWithType

        public void serializeWithType​(java.lang.Object value,
                                      com.fasterxml.jackson.core.JsonGenerator g,
                                      SerializerProvider provider,
                                      TypeSerializer typeSer)
                               throws java.io.IOException
        Default implementation will write type prefix, call regular serialization method (since assumption is that value itself does not need JSON Array or Object start/end markers), and then write type suffix. This should work for most cases; some sub-classes may want to change this behavior.
        Overrides:
        serializeWithType in class JsonSerializer<java.lang.Object>
        Parameters:
        value - Value to serialize; can not be null.
        g - Generator used to output resulting Json content
        provider - Provider that can be used to get serializers for serializing Objects value contains, if any.
        typeSer - Type serializer to use for including type information
        Throws:
        java.io.IOException