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package de.cidaas.jwt;

import de.cidaas.jwt.algorithms.Algorithm;
import de.cidaas.jwt.exceptions.JWTDecodeException;
import de.cidaas.jwt.impl.JWTParser;
import de.cidaas.jwt.interfaces.DecodedJWT;
import de.cidaas.jwt.interfaces.Verification;

@SuppressWarnings("WeakerAccess")
public class JWT {

    private final JWTParser parser;

    /**
     * Constructs a new instance of the JWT library. Use this if you need to decode many JWT
     * tokens on the fly and do not wish to instantiate a new parser for each invocation.
     */
    public JWT() {
        parser = new JWTParser();
    }

    /**
     * Decode a given Json Web Token.
     * 

* Note that this method doesn't verify the token's signature! Use it only if you trust the token or you already verified it. * * @param token with jwt format as string. * @return a decoded JWT. * @throws JWTDecodeException if any part of the token contained an invalid jwt or JSON format of each of the jwt parts. */ public DecodedJWT decodeJwt(String token) throws JWTDecodeException { return new JWTDecoder(parser, token); } /** * Decode a given Json Web Token. *

* Note that this method doesn't verify the token's signature! Use it only if you trust the token or you already verified it. * * @param token with jwt format as string. * @return a decoded JWT. * @throws JWTDecodeException if any part of the token contained an invalid jwt or JSON format of each of the jwt parts. */ public static DecodedJWT decode(String token) throws JWTDecodeException { return new JWTDecoder(token); } /** * Returns a {@link JWTVerifier} builder with the algorithm to be used to validate token signature. * * @param algorithm that will be used to verify the token's signature. * @return {@link JWTVerifier} builder * @throws IllegalArgumentException if the provided algorithm is null. */ public static Verification require(Algorithm algorithm) { return JWTVerifier.init(algorithm); } /** * Returns a Json Web Token builder used to create and sign tokens * * @return a token builder. */ public static JWTCreator.Builder create() { return JWTCreator.init(); } }





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