package com.lowagie.text.pdf.security;

import java.security.cert.X509Certificate;

/**
 * Class that informs you that the verification of a Certificate
 * succeeded using a specific CertificateVerifier and for a specific
 * reason.
 */
public class VerificationOK {

	/** The certificate that was verified successfully. */
	protected X509Certificate certificate;
	/** The CertificateVerifier that was used for verifying. */
	protected Class<? extends CertificateVerifier> verifierClass;
	/** The reason why the certificate verified successfully. */
	protected String message;
	
	/**
	 * Creates a VerificationOK object
	 * @param certificate	the certificate that was successfully verified
	 * @param verifierClass	the class that was used for verification
	 * @param message		the reason why the certificate could be verified
	 */
	public VerificationOK(X509Certificate certificate,
			Class<? extends CertificateVerifier> verifierClass, String message) {
		this.certificate = certificate;
		this.verifierClass = verifierClass;
		this.message = message;
	}
	
	/**
	 * A single String explaining which certificate was verified, how and why.
	 * @see java.lang.Object#toString()
	 */
	public String toString() {
		StringBuilder sb = new StringBuilder();
		if (certificate != null) {
			sb.append(certificate.getSubjectDN().getName());
			sb.append(" verified with ");
		}
		sb.append(verifierClass.getName());
		sb.append(": ");
		sb.append(message);
		return sb.toString();
	}
}