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/impl/FailingSerializer.java

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

import java.io.IOException;

import com.fasterxml.jackson.core.*;

import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;

/**
 * Special bogus "serializer" that will throw
 * {@link JsonMappingException} if its {@link #serialize}
 * gets invoked. Most commonly registered as handler for unknown types,
 * as well as for catching unintended usage (like trying to use null
 * as Map/Object key).
 */
@SuppressWarnings("serial")
public class FailingSerializer
    extends StdSerializer<Object>
{
    protected final String _msg;
    
    public FailingSerializer(String msg) {
        super(Object.class);
        _msg = msg;
    }
    
    @Override
    public void serialize(Object value, JsonGenerator g, SerializerProvider ctxt) throws IOException
    {
        ctxt.reportMappingProblem(_msg);
    }
}

⏎ com/fasterxml/jackson/databind/ser/impl/FailingSerializer.java

 

⇒ Jackson Dataformat Extensions

⇐ Jackson Data Binding Source Code

⇑ Downloading and Reviewing jackson-*.jar

⇑⇑ Jackson - Java JSON library