Jackson Data Binding Source Code

Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".

  • Jackson Data Binding module allows you to converts JSON to and from POJO (Plain Old Java Object) using property accessor or using annotations.
  • Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.12.4-sources.jar). You can download it at Jackson Maven Website.

    You can also browse Jackson Databind Source Code below:

    ✍: FYIcenter.com

    com/fasterxml/jackson/databind/ser/std/RawSerializer.java

    package com.fasterxml.jackson.databind.ser.std;
    
    import java.lang.reflect.Type;
    import java.io.IOException;
    
    import com.fasterxml.jackson.core.*;
    import com.fasterxml.jackson.core.type.WritableTypeId;
    import com.fasterxml.jackson.databind.*;
    import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
    import com.fasterxml.jackson.databind.jsontype.TypeSerializer;
    
    /**
     * This is a simple dummy serializer that will just output raw values by calling
     * toString() on value to serialize.
     */
    @SuppressWarnings("serial")
    public class RawSerializer<T>
        extends StdSerializer<T>
    {
        /**
         * Constructor takes in expected type of values; but since caller
         * typically cannot really provide actual type parameter, we will
         * just take wild card and coerce type.
         */
        public RawSerializer(Class<?> cls) {
            super(cls, false);
        }
    
        @Override
        public void serialize(T value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
            jgen.writeRawValue(value.toString());
        }
    
        @Override
        public void serializeWithType(T value, JsonGenerator g, SerializerProvider provider,
                TypeSerializer typeSer)
            throws IOException
        {
            WritableTypeId typeIdDef = typeSer.writeTypePrefix(g,
                    typeSer.typeId(value, JsonToken.VALUE_EMBEDDED_OBJECT));
            serialize(value, g, provider);
            typeSer.writeTypeSuffix(g, typeIdDef);
        }
        
        @Override
        public JsonNode getSchema(SerializerProvider provider, Type typeHint)
        {
            // type not really known, but since it is a JSON string:
            return createSchemaNode("string", true);
        }
        
        @Override
        public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint) throws JsonMappingException
        {
            // type not really known, but since it is a JSON string:
            visitStringFormat(visitor, typeHint);
        }
    }
    

    com/fasterxml/jackson/databind/ser/std/RawSerializer.java

     

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    2022-03-29, 32087👍, 0💬