discord4j.common.jackson.UnsignedJson Maven / Gradle / Ivy

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/*
 * This file is part of Discord4J.
 *
 * Discord4J is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Discord4J is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Discord4J.  If not, see .
 */
package discord4j.common.jackson;

import com.fasterxml.jackson.annotation.JacksonAnnotationsInside;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

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

/**
 * POJO fields which represent Snowflake IDs should be annotated with this to indicate that they should be
 * (de)serialized as unsigned longs. This maybe be applied to fields of types Long | PossibleLong | long[] |
 * Possible<long[]>.
 */
@JacksonAnnotationsInside
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@JsonSerialize(using = UnsignedLongSerializer.class)
@JsonDeserialize(using = UnsignedLongDeserializer.class)
public @interface UnsignedJson {
}