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/*
 * Copyright 2012-2017 Brian Campbell
 *
 * 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 org.jose4j.jwt.consumer;

import org.jose4j.jwt.MalformedClaimException;

/**
 *
 */
public interface Validator
{
    /**
     * @param jwtContext the JWT context
     * @return a description of the problem or null, if valid
     * @throws MalformedClaimException if a malformed claim is encountered
     */
    public String validate(JwtContext jwtContext) throws MalformedClaimException;
}