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com.dslplatform.json.JsonConverter Maven / Gradle / Ivy

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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.time.Instant is not a supported type. After creating class such as
 *
 * 
 *     {@literal @}JsonConverter(target=Instant.class)
 *     public abstract InstantConverter {
 *         public static Instant read(JsonReader reader) { ... }
 *         public static void write(JsonWriter writer, Instant value) { ... }
 *         public static Instant default() { ... }
 *     }
 * 
* * 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(); }




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