io.jsonwebtoken.JwtHandler Maven / Gradle / Ivy
/*
* Copyright (C) 2014 jsonwebtoken.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.jsonwebtoken;
/**
* A JwtHandler is invoked by a {@link io.jsonwebtoken.JwtParser JwtParser} after parsing a JWT to indicate the exact
* type of JWT or JWS parsed.
*
* @param the type of object to return to the parser caller after handling the parsed JWT.
* @since 0.2
*/
public interface JwtHandler {
/**
* This method is invoked when a {@link io.jsonwebtoken.JwtParser JwtParser} determines that the parsed JWT is
* a plaintext JWT. A plaintext JWT has a String (non-JSON) body payload and it is not cryptographically signed.
*
* @param jwt the parsed plaintext JWT
* @return any object to be used after inspecting the JWT, or {@code null} if no return value is necessary.
*/
T onPlaintextJwt(Jwt jwt);
/**
* This method is invoked when a {@link io.jsonwebtoken.JwtParser JwtParser} determines that the parsed JWT is
* a Claims JWT. A Claims JWT has a {@link Claims} body and it is not cryptographically signed.
*
* @param jwt the parsed claims JWT
* @return any object to be used after inspecting the JWT, or {@code null} if no return value is necessary.
*/
T onClaimsJwt(Jwt jwt);
/**
* This method is invoked when a {@link io.jsonwebtoken.JwtParser JwtParser} determines that the parsed JWT is
* a plaintext JWS. A plaintext JWS is a JWT with a String (non-JSON) body (payload) that has been
* cryptographically signed.
*
* This method will only be invoked if the cryptographic signature can be successfully verified.
*
* @param jws the parsed plaintext JWS
* @return any object to be used after inspecting the JWS, or {@code null} if no return value is necessary.
*/
T onPlaintextJws(Jws jws);
/**
* This method is invoked when a {@link io.jsonwebtoken.JwtParser JwtParser} determines that the parsed JWT is
* a valid Claims JWS. A Claims JWS is a JWT with a {@link Claims} body that has been cryptographically signed.
*
* This method will only be invoked if the cryptographic signature can be successfully verified.
*
* @param jws the parsed claims JWS
* @return any object to be used after inspecting the JWS, or {@code null} if no return value is necessary.
*/
T onClaimsJws(Jws jws);
}