Jackson Data Binding Source Code

Jackson is "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".

  • Jackson Data Binding module allows you to converts JSON to and from POJO (Plain Old Java Object) using property accessor or using annotations.
  • 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:

    ✍: FYIcenter.com

    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

     

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    2022-03-29, 31920👍, 0💬