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/jsonFormatVisitors/JsonFormatVisitorWrapper.java

package com.fasterxml.jackson.databind.jsonFormatVisitors;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.SerializerProvider;

/**
 * Interface for visitor callbacks, when type in question can be any of
 * legal JSON types.
 *<p>
 * In most cases it will make more sense to extend {@link JsonFormatVisitorWrapper.Base}
 * instead of directly implementing this interface.
 */
public interface JsonFormatVisitorWrapper extends JsonFormatVisitorWithSerializerProvider
{
    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonObjectFormatVisitor expectObjectFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonArrayFormatVisitor expectArrayFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonStringFormatVisitor expectStringFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonNumberFormatVisitor expectNumberFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonIntegerFormatVisitor expectIntegerFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonBooleanFormatVisitor expectBooleanFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonNullFormatVisitor expectNullFormat(JavaType type) throws JsonMappingException;

    /**
     * @param type Declared type of visited property (or List element) in Java
     */
    public JsonAnyFormatVisitor expectAnyFormat(JavaType type) throws JsonMappingException;

    /**
     * Method called when type is of Java {@link java.util.Map} type, and will
     * be serialized as a JSON Object.
     * 
     * @since 2.2
     */
    public JsonMapFormatVisitor expectMapFormat(JavaType type) throws JsonMappingException;

    /**
     * Empty "no-op" implementation of {@link JsonFormatVisitorWrapper}, suitable for
     * sub-classing. Does implement {@link #setProvider(SerializerProvider)} and
     * {@link #getProvider()} as expected; other methods simply return null
     * and do nothing.
     *
     * @since 2.5
     */
    public static class Base implements JsonFormatVisitorWrapper {
        protected SerializerProvider _provider;

        public Base() { }

        public Base(SerializerProvider p) {
            _provider = p;
        }

        @Override
        public SerializerProvider getProvider() {
            return _provider;
        }

        @Override
        public void setProvider(SerializerProvider p) {
            _provider = p;
        }

        @Override
        public JsonObjectFormatVisitor expectObjectFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonArrayFormatVisitor expectArrayFormat(JavaType type)
                  throws JsonMappingException {
            return null;
        }

        @Override
        public JsonStringFormatVisitor expectStringFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonNumberFormatVisitor expectNumberFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonIntegerFormatVisitor expectIntegerFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonBooleanFormatVisitor expectBooleanFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonNullFormatVisitor expectNullFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonAnyFormatVisitor expectAnyFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }

        @Override
        public JsonMapFormatVisitor expectMapFormat(JavaType type)
                throws JsonMappingException {
            return null;
        }
   }
}

⏎ com/fasterxml/jackson/databind/jsonFormatVisitors/JsonFormatVisitorWrapper.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