/*
 * This file is part of Dependency-Track.
 *
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * Copyright (c) OWASP Foundation. All Rights Reserved.
 */
package org.dependencytrack.model.validation;

import org.dependencytrack.parser.spdx.expression.SpdxExpressionParser;
import org.dependencytrack.parser.spdx.expression.model.SpdxExpression;

import jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;
import java.util.Objects;

public class SpdxExpressionValidator implements ConstraintValidator<ValidSpdxExpression, String> {

    @Override
    public boolean isValid(final String expressionString, final ConstraintValidatorContext validatorContext) {
        if (expressionString == null) {
            // null-ness is expected to be validated using @NotNull
            return true;
        }

        return !Objects.equals(SpdxExpressionParser.getInstance().parse(expressionString), SpdxExpression.INVALID);
    }

}
