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

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:

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

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

import java.io.IOException;
import java.lang.reflect.Type;

import com.fasterxml.jackson.core.JsonGenerator;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.jsonFormatVisitors.JsonFormatVisitorWrapper;

/**
 * Also: default bean access will not do much good with Class.class. But
 * we can just serialize the class name and that should be enough.
 */
@SuppressWarnings("serial")
public class ClassSerializer
    extends StdScalarSerializer<Class<?>>
{
    public ClassSerializer() { super(Class.class, false); }

    @Override
    public void serialize(Class<?> value, JsonGenerator g, SerializerProvider provider) throws IOException
    {
        g.writeString(value.getName());
    }

    @Override
    public JsonNode getSchema(SerializerProvider provider, Type typeHint)
    {
        return createSchemaNode("string", true);
    }
    
    @Override
    public void acceptJsonFormatVisitor(JsonFormatVisitorWrapper visitor, JavaType typeHint)
        throws JsonMappingException
    {
        visitStringFormat(visitor, typeHint);
    }
}

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

 

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⇑⇑ Jackson - Java JSON library