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Implementation of JWT and JWK to be used in other modules.

There is a newer version: 4.1.6

/*
 * Copyright (c) 2024 Oracle and/or its affiliates.
 *
 * 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.helidon.security.jwt;

import java.util.List;
import java.util.Objects;

import io.helidon.common.Errors;

/**
 * Wrapper support for {@link Validator} instances.
 */
final class ValidatorWrapper extends CommonValidator {

    private final Validator validator;

    private ValidatorWrapper(Builder builder) {
        super(builder);
        validator = builder.validator;
    }

    /**
     * Return a new Builder instance.
     *
     * @return new builder instance
     */
    static Builder builder() {
        return new Builder();
    }

    @Override
    public void validate(Jwt jwt, Errors.Collector collector, List validators) {
        validator.validate(jwt, collector);
    }

    /**
     * Builder of the {@link io.helidon.security.jwt.ValidatorWrapper}.
     */
    static final class Builder extends BaseBuilder {

        private Validator validator;

        private Builder() {
        }

        /**
         * Instance of the {@link Validator}.
         *
         * @param validator validator instance
         * @return updated builder instance
         */
        public Builder validator(Validator validator) {
            this.validator = Objects.requireNonNull(validator);
            return this;
        }

        @Override
        public ValidatorWrapper build() {
            Errors.Collector collector = Errors.collector();
            if (validator == null) {
                collector.fatal(getClass(), "No validator instance was set");
            }
            collector.collect().checkValid();
            return new ValidatorWrapper(this);
        }
    }
}