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/introspect/TypeResolutionContext.java

package com.fasterxml.jackson.databind.introspect;

import java.lang.reflect.Type;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.type.TypeBindings;
import com.fasterxml.jackson.databind.type.TypeFactory;

/**
 * Interface that defines API used by members (like {@link AnnotatedMethod})
 * to dynamically resolve types they have.
 *
 * @since 2.7
 */
public interface TypeResolutionContext {
    public JavaType resolveType(Type t);

    public static class Basic
        implements TypeResolutionContext
    {
        private final TypeFactory _typeFactory;
        private final TypeBindings _bindings;

        public Basic(TypeFactory tf, TypeBindings b) {
            _typeFactory = tf;
            _bindings = b;
        }

        @Override
        public JavaType resolveType(Type type) {
            // 06-Sep-2020, tatu: Careful wrt [databind#2846][databind#2821],
            //     call new method added in 2.12
            return _typeFactory.resolveMemberType(type, _bindings);
        }

        /*// debugging
        @Override
        public String toString() {
            return "[TRC.Basic, bindings: "+_bindings+"]";
        }
        */
    }

    /**
     * Dummy implementation for case where there are no bindings available
     * (for example, for static methods and fields)
     *
     * @since 2.11.3
     */
    public static class Empty
        implements TypeResolutionContext
    {
        private final TypeFactory _typeFactory;

        public Empty(TypeFactory tf) {
            _typeFactory = tf;
        }

        @Override
        public JavaType resolveType(Type type) {
            return _typeFactory.constructType(type);
        }
    }
}

⏎ com/fasterxml/jackson/databind/introspect/TypeResolutionContext.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