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/jsonFormatVisitors/JsonArrayFormatVisitor.java

package com.fasterxml.jackson.databind.jsonFormatVisitors;

import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.SerializerProvider;

public interface JsonArrayFormatVisitor extends JsonFormatVisitorWithSerializerProvider
{
    /**
     * Visit method called for structured types, as well as possibly
     * for leaf types (especially if handled by custom serializers).
     * 
     * @param handler Serializer used, to allow for further callbacks
     * @param elementType Type of elements in JSON array value
     */
    void itemsFormat(JsonFormatVisitable handler, JavaType elementType)
        throws JsonMappingException;
    
    /**
     * Visit method that is called if the content type is a simple
     * scalar type like {@link JsonFormatTypes#STRING} (but not
     * for structured types like {@link JsonFormatTypes#OBJECT} since
     * they would be missing type information).
     */
    void itemsFormat(JsonFormatTypes format)
        throws JsonMappingException;

    /**
     * Default "empty" implementation, useful as the base to start on;
     * especially as it is guaranteed to implement all the method
     * of the interface, even if new methods are getting added.
     */
    public static class Base implements JsonArrayFormatVisitor {
        protected SerializerProvider _provider;

        public Base() { }
        public Base(SerializerProvider p) { _provider = p; }

        @Override
        public SerializerProvider getProvider() { return _provider; }

        @Override
        public void setProvider(SerializerProvider p) { _provider = p; }

        @Override
        public void itemsFormat(JsonFormatVisitable handler, JavaType elementType)
            throws JsonMappingException { }

        @Override
        public void itemsFormat(JsonFormatTypes format)
            throws JsonMappingException { }
    }

}

⏎ com/fasterxml/jackson/databind/jsonFormatVisitors/JsonArrayFormatVisitor.java

 

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⇑⇑ Jackson - Java JSON library