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Main ACS AEM Commons OSGi Bundle. Includes commons utilities.

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/*
 * 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 acscommons.io.jsonwebtoken;

/**
 * A JwtHandler is invoked by a {@link acscommons.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 acscommons.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 acscommons.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 acscommons.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 acscommons.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);

}