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/deser/impl/FailingDeserializer.java

    package com.fasterxml.jackson.databind.deser.impl;
    
    import java.io.IOException;
    
    import com.fasterxml.jackson.core.JsonParser;
    import com.fasterxml.jackson.databind.DeserializationContext;
    import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
    
    /**
     * Special bogus "serializer" that will throw
     * {@link com.fasterxml.jackson.databind.exc.MismatchedInputException} if an attempt is made to deserialize
     * a value. This is used as placeholder to avoid NPEs for uninitialized
     * structured serializers or handlers.
     */
    public class FailingDeserializer extends StdDeserializer<Object>
    {
        private static final long serialVersionUID = 1L;
    
        protected final String _message;
    
        public FailingDeserializer(String m) {
            this(Object.class, m);
        }
    
        // @since 2.12
        public FailingDeserializer(Class<?> rawType, String m) {
            super(rawType);
            _message = m;
        }
        
        @Override
        public Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
            ctxt.reportInputMismatch(this, _message);
            return null;
        }
    }
    

    com/fasterxml/jackson/databind/deser/impl/FailingDeserializer.java

     

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    ⇑⇑ Jackson - Java JSON library

    2022-03-29, 31892👍, 0💬