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

Jackson Annotations Source Code files are provided in the source packge (jackson-annotations-2.12.4-sources.jar). You can download it at Jackson Maven Website.

You can also browse Jackson Annotations Source Code below:

⏎ com/fasterxml/jackson/databind/ser/std/NonTypedScalarSerializerBase.java

package com.fasterxml.jackson.databind.ser.std;

import java.io.IOException;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsontype.TypeSerializer;

/**
 * Intermediate base class for limited number of scalar types
 * that should never include type information. These are "native"
 * types that are default mappings for corresponding JSON scalar
 * types: {@link java.lang.String}, {@link java.lang.Integer},
 * {@link java.lang.Double} and {@link java.lang.Boolean}.
 */
@SuppressWarnings("serial")
@Deprecated // since 2.9
public abstract class NonTypedScalarSerializerBase<T>
    extends StdScalarSerializer<T>
{
    protected NonTypedScalarSerializerBase(Class<T> t) {
        super(t);
    }

    protected NonTypedScalarSerializerBase(Class<?> t, boolean bogus) {
        super(t, bogus);
    }

    @Override
    public final void serializeWithType(T value, JsonGenerator gen, SerializerProvider provider,
            TypeSerializer typeSer) throws IOException
    {
        // no type info, just regular serialization
        serialize(value, gen, provider);            
    }
}

⏎ com/fasterxml/jackson/databind/ser/std/NonTypedScalarSerializerBase.java

 

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⇑⇑ Jackson - Java JSON library