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/SerializableSerializer.java

package com.fasterxml.jackson.databind.ser.std;

import java.io.IOException;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonSerializable;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;

/**
 * Generic handler for types that implement {@link JsonSerializable}.
 *<p>
 * Note: given that this is used for anything that implements
 * interface, cannot be checked for direct class equivalence.
 */
@JacksonStdImpl
@SuppressWarnings("serial")
public class SerializableSerializer
    extends StdSerializer<JsonSerializable>
{
    public final static SerializableSerializer instance = new SerializableSerializer();

    protected SerializableSerializer() { super(JsonSerializable.class); }

    @Override
    public boolean isEmpty(SerializerProvider serializers, JsonSerializable value) {
        if (value instanceof JsonSerializable.Base) {
            return ((JsonSerializable.Base) value).isEmpty(serializers);
        }
        return false;
    }

    @Override
    public void serialize(JsonSerializable value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
        value.serialize(gen, serializers);
    }

    @Override
    public final void serializeWithType(JsonSerializable value, JsonGenerator gen, SerializerProvider serializers,
            TypeSerializer typeSer) throws IOException {
        value.serializeWithType(gen, serializers, typeSer);
    }

    @Override
    public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint)
        throws JsonMappingException
    {
        visitor.expectAnyFormat(typeHint);
    }
}

⏎ com/fasterxml/jackson/databind/ser/std/SerializableSerializer.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 

⇒ Jackson Annotations Source Code

⇐ Download and Install Jackson Binary Package

⇑ Downloading and Reviewing jackson-*.jar

⇑⇑ Jackson - Java JSON library