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-2.12.4-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Databind Source Code below:

⏎ com/fasterxml/jackson/databind/introspect/NopAnnotationIntrospector.java

package com.fasterxml.jackson.databind.introspect;

import com.fasterxml.jackson.core.Version;

import com.fasterxml.jackson.databind.*;

/**
 * Dummy, "no-operation" implementation of {@link AnnotationIntrospector}.
 * Can be used as is to suppress handling of annotations; or as a basis
 * for simple configuration overrides (whether based on annotations or not).
 */
public abstract class NopAnnotationIntrospector
    extends AnnotationIntrospector
    implements java.io.Serializable
{
    private static final long serialVersionUID = 1L;

    /**
     * Static immutable and shareable instance that can be used as
     * "null" introspector: one that never finds any annotation
     * information.
     */
    public final static NopAnnotationIntrospector instance = new NopAnnotationIntrospector() {
        private static final long serialVersionUID = 1L;

        @Override
        public Version version() {
            return com.fasterxml.jackson.databind.cfg.PackageVersion.VERSION;
        }
    };

    @Override
    public Version version() {
        return Version.unknownVersion();
    }
}

⏎ com/fasterxml/jackson/databind/introspect/NopAnnotationIntrospector.java

 

⇒ Jackson Annotations Source Code

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⇑ Downloading and Reviewing jackson-*.jar

⇑⇑ Jackson - Java JSON library