com.zerodeplibs.webpush.ext.jwt.vertx.VertxVAPIDJWTGeneratorFactory Maven / Gradle / Ivy

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A sub-module for zerodep-web-push-java. This module provides the JSON Web Token(JWT) generator used for VAPID utilizing [JWT Auth - Vert.x].

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package com.zerodeplibs.webpush.ext.jwt.vertx;

import com.zerodeplibs.webpush.jwt.VAPIDJWTGenerator;
import com.zerodeplibs.webpush.jwt.VAPIDJWTGeneratorFactory;
import io.vertx.core.Vertx;
import io.vertx.ext.auth.jwt.JWTAuth;
import io.vertx.ext.auth.jwt.JWTAuthOptions;
import java.security.interfaces.ECPrivateKey;
import java.security.interfaces.ECPublicKey;
import java.util.function.BiFunction;
import java.util.function.Supplier;

/**
 * The factory class for {@link VAPIDJWTGenerator}.
 * {@link VAPIDJWTGenerator}s generated by this class utilizes JWT Auth - Vert.x.
 *
 * @author Tomoki Sato
 */
public class VertxVAPIDJWTGeneratorFactory
    implements VAPIDJWTGeneratorFactory, BiFunction {

    private final Supplier vertxObtainStrategy;

    /**
     * Creates a new {@link VertxVAPIDJWTGeneratorFactory}.
     *
     * 
     * The returned generator invokes vertxObtainStrategy#get each time
     * its 'generate' method is called in order to get an instance of Vertx.
     * 
     *
     * 
     * this instance is passed to the JWT authentication provider
     * and used to generate the JWT.
     * 
     *
     * @param vertxObtainStrategy a strategy used to obtain a Vertx instance.
     * @see JWTAuth#create(Vertx, JWTAuthOptions)
     */
    public VertxVAPIDJWTGeneratorFactory(Supplier vertxObtainStrategy) {
        this.vertxObtainStrategy = vertxObtainStrategy;
    }

    @Override
    public VAPIDJWTGenerator create(ECPrivateKey privateKey,
                                    ECPublicKey publicKey) {
        return new VertxVAPIDJWTGenerator(this.vertxObtainStrategy, privateKey);
    }

    @Override
    public VAPIDJWTGenerator apply(ECPrivateKey privateKey,
                                   ECPublicKey publicKey) {
        return create(privateKey, publicKey);
    }
}