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package com.dslplatform.json;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * JSON converter can be specified for class.
 * It must have JSON_READER and JSON_WRITER which do the JSON conversion.
 * This can be used for fine tuning the serialization/deserialization process.
 *
 * Eg. java.util.Date is not a supported type. After creating class such as
 *
 *  *     {@literal @}JsonConverter(target=Date.class)
 *     public abstract DateConverter {
 *         public static JsonReader.ReadObject<Date> JSON_READER = ...
 *         public static JsonWriter.WriteObject<Date> JSON_WRITER = ...
 *     }
 * 
 *
 * Date type will be one of the supported types.
 */
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS)
public @interface JsonConverter {
	/**
	 * For which class this converter applies.
	 *
	 * @return target type
	 */
	Class target();
}