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/ext/Java7Support.java

package com.fasterxml.jackson.databind.ext;

import com.fasterxml.jackson.databind.PropertyName;
import com.fasterxml.jackson.databind.introspect.Annotated;
import com.fasterxml.jackson.databind.introspect.AnnotatedParameter;
import com.fasterxml.jackson.databind.util.ClassUtil;

/**
 * To support Java7-incomplete platforms, we will offer support for JDK 7
 * annotations through this class, loaded dynamically; if loading fails,
 * support will be missing. This class is the non-JDK-7-dependent API,
 * and {@link Java7SupportImpl} is JDK7-dependent implementation of
 * functionality.
 */
public abstract class Java7Support
{
    private final static Java7Support IMPL;

    static {
        Java7Support impl = null;
        try {
            Class<?> cls = Class.forName("com.fasterxml.jackson.databind.ext.Java7SupportImpl");
            impl = (Java7Support) ClassUtil.createInstance(cls, false);
        } catch (Throwable t) {
            // 09-Sep-2019, tatu: Used to log earlier, but with 2.10.0 let's not log
//            java.util.logging.Logger.getLogger(Java7Support.class.getName())
//                .warning("Unable to load JDK7 annotations (@ConstructorProperties, @Transient): no Java7 annotation support added");
        }
        IMPL = impl;
    }

    public static Java7Support instance() {
        return IMPL;
    }
    
    public abstract Boolean findTransient(Annotated a);

    public abstract Boolean hasCreatorAnnotation(Annotated a);

    public abstract PropertyName findConstructorName(AnnotatedParameter p);
}

⏎ com/fasterxml/jackson/databind/ext/Java7Support.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