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/StdScalarSerializer.java

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

import java.io.IOException;
import java.lang.reflect.Type;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.core.type.WritableTypeId;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;

@SuppressWarnings("serial")
public abstract class StdScalarSerializer<T>
    extends StdSerializer<T>
{
    protected StdScalarSerializer(Class<T> t) {
        super(t);
    }

    /**
     * Alternate constructor that is (alas!) needed to work
     * around kinks of generic type handling
     */
    @SuppressWarnings("unchecked")
    protected StdScalarSerializer(Class<?> t, boolean dummy) {
        super((Class<T>) t);
    }

    /**
     * Basic copy-constructor
     *
     * @param src Original instance to copy settings from
     *
     * @since 2.12
     */
    protected StdScalarSerializer(StdScalarSerializer<?> src) {
        super(src);
    }

    /**
     * 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.
     */
    @Override
    public void serializeWithType(T value, JsonGenerator g, SerializerProvider provider,
            TypeSerializer typeSer) throws IOException
    {
        // NOTE: need not really be string; just indicates "scalar of some kind"
        WritableTypeId typeIdDef = typeSer.writeTypePrefix(g,
                typeSer.typeId(value, JsonToken.VALUE_STRING));
        serialize(value, g, provider);
        typeSer.writeTypeSuffix(g, typeIdDef);
    }

    @Override
    public JsonNode getSchema(SerializerProvider provider, Type typeHint)
        throws JsonMappingException
    {
        return createSchemaNode("string", true);
    }
    
    @Override
    public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint)
        throws JsonMappingException
    {
        // 13-Sep-2013, tatu: Let's assume it's usually a String, right?
        visitStringFormat(visitor, typeHint);
    }
}

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