/*
* DSS - Digital Signature Services
*
* Copyright (C) 2013 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel
*
* Developed by: 2013 ARHS Developments S.A. (rue Nicolas Bové 2B, L-1253 Luxembourg) http://www.arhs-developments.com
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* "DSS - Digital Signature Services" is free software: you can redistribute it and/or modify it under the terms of
* the GNU Lesser General Public License as published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* DSS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with
* "DSS - Digital Signature Services". If not, see <http://www.gnu.org/licenses/>.
*/
package eu.europa.ec.markt.dss.web.controller.preferences;
import java.net.URL;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;
import eu.europa.ec.markt.dss.DSSUtils;
import eu.europa.ec.markt.dss.model.PreferenceKey;
import eu.europa.ec.markt.dss.web.model.PreferenceForm;
/**
* TODO
* <p/>
* <p/>
* DISCLAIMER: Project owner DG-MARKT.
*
* @author <a href="mailto:dgmarkt.Project-DSS@arhs-developments.com">ARHS Developments</a>
* @version $Revision: 1016 $ - $Date: 2011-06-17 15:30:45 +0200 (Fri, 17 Jun 2011) $
*/
@Component
public class PreferenceFormValidator implements Validator {
@Override
public boolean supports(Class<?> clazz) {
return clazz.equals(PreferenceForm.class);
}
@Override
public void validate(Object target, Errors errors) {
PreferenceForm preferenceForm = (PreferenceForm) target;
if (preferenceForm.getKey().equals(PreferenceKey.DEFAULT_POLICY_URL.toString())) {
// check that the entered URL is loadable
final String value = preferenceForm.getValue();
if (DSSUtils.isNotBlank(value)) {
try {
DSSUtils.toString(new URL(value).openStream());
} catch (Exception e) {
errors.rejectValue("value", "url.error");
}
}
}
}
}