org.springframework.security.oauth2.core.DelegatingOAuth2TokenValidator.java Source code

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Here is the source code for org.springframework.security.oauth2.core.DelegatingOAuth2TokenValidator.java

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/*
 * Copyright 2002-2018 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.security.oauth2.core;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;

import org.springframework.util.Assert;

/**
 * A composite validator
 *
 * @param <T> the type of {@link AbstractOAuth2Token} this validator validates
 *
 * @author Josh Cummings
 * @since 5.1
 */
public final class DelegatingOAuth2TokenValidator<T extends AbstractOAuth2Token>
        implements OAuth2TokenValidator<T> {

    private final Collection<OAuth2TokenValidator<T>> tokenValidators;

    /**
     * Constructs a {@code DelegatingOAuth2TokenValidator} using the provided validators.
     *
     * @param tokenValidators the {@link Collection} of {@link OAuth2TokenValidator}s to use
     */
    public DelegatingOAuth2TokenValidator(Collection<OAuth2TokenValidator<T>> tokenValidators) {
        Assert.notNull(tokenValidators, "tokenValidators cannot be null");

        this.tokenValidators = new ArrayList<>(tokenValidators);
    }

    /**
     * Constructs a {@code DelegatingOAuth2TokenValidator} using the provided validators.
     *
     * @param tokenValidators the collection of {@link OAuth2TokenValidator}s to use
     */
    @SafeVarargs
    public DelegatingOAuth2TokenValidator(OAuth2TokenValidator<T>... tokenValidators) {
        this(Arrays.asList(tokenValidators));
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public OAuth2TokenValidatorResult validate(T token) {
        Collection<OAuth2Error> errors = new ArrayList<>();

        for (OAuth2TokenValidator<T> validator : this.tokenValidators) {
            errors.addAll(validator.validate(token).getErrors());
        }

        return OAuth2TokenValidatorResult.failure(errors);
    }
}