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/std/AtomicBooleanDeserializer.java

    package com.fasterxml.jackson.databind.deser.std;
    
    import java.io.IOException;
    import java.util.concurrent.atomic.AtomicBoolean;
    
    import com.fasterxml.jackson.core.JsonParser;
    import com.fasterxml.jackson.core.JsonToken;
    import com.fasterxml.jackson.databind.DeserializationContext;
    import com.fasterxml.jackson.databind.JsonMappingException;
    import com.fasterxml.jackson.databind.type.LogicalType;
    
    public class AtomicBooleanDeserializer extends StdScalarDeserializer<AtomicBoolean>
    {
        private static final long serialVersionUID = 1L;
    
        public AtomicBooleanDeserializer() { super(AtomicBoolean.class); }
    
        @Override
        public AtomicBoolean deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
            JsonToken t = p.currentToken();
            if (t == JsonToken.VALUE_TRUE) {
                return new AtomicBoolean(true);
            }
            if (t == JsonToken.VALUE_FALSE) {
                return new AtomicBoolean(false);
            }
            // 12-Jun-2020, tatu: May look convoluted, but need to work correctly with
            //   CoercionConfig
            Boolean b = _parseBoolean(p, ctxt, AtomicBoolean.class);
            return (b == null) ? null : new AtomicBoolean(b.booleanValue());
        }
    
        @Override
        public LogicalType logicalType() { return LogicalType.Boolean; }
    
        @Override // @since 2.12
        public Object getEmptyValue(DeserializationContext ctxt) throws JsonMappingException {
            return new AtomicBoolean(false);
        }
    }
    

    com/fasterxml/jackson/databind/deser/std/AtomicBooleanDeserializer.java

     

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    2022-03-29, 31716👍, 0💬