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

Jackson Databind Source Code files are provided in the source packge (jackson-databind-2.14.0-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Databind Source Code below:

⏎ 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

Or download all of them as a single archive file:

File name: jackson-databind-2.14.0-sources.jar
File size: 1187952 bytes
Release date: 2022-11-05
Download 

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⇑⇑ Jackson - Java JSON library