no.difi.certvalidator.structure.OrJunction Maven / Gradle / Ivy

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Rule engine for creation of certificate validator.

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package no.difi.certvalidator.structure;

import no.difi.certvalidator.api.CertificateValidationException;
import no.difi.certvalidator.api.FailedValidationException;
import no.difi.certvalidator.api.ValidatorRule;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;

/**
 * Allows combining instances of validators using a limited set of logic.
 */
public class OrJunction extends AbstractJunction {

    private static final Logger logger = LoggerFactory.getLogger(OrJunction.class);

    public OrJunction(ValidatorRule... validatorRules) {
        super(validatorRules);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void validate(X509Certificate certificate) throws CertificateValidationException {
        List exceptions = new ArrayList();

        for (ValidatorRule validatorRule : validatorRules) {
            try {
                validatorRule.validate(certificate);
                return;
            } catch (CertificateValidationException e) {
                exceptions.add(e);
            }
        }

        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append("Or-junction failed with results:");
        for (Exception e : exceptions)
            stringBuilder.append("\n* ").append(e.getMessage());

        logger.debug("{}\n({})", stringBuilder.toString(), certificate.getSerialNumber());
        throw new FailedValidationException(stringBuilder.toString());
    }
}