BeanValidationExceptionConverter.java

/**
 *   GRANITE DATA SERVICES
 *   Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S.
 *
 *   This file is part of the Granite Data Services Platform.
 *
 *   Granite Data 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.
 *
 *   Granite Data Services 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 this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 *   USA, or see <http://www.gnu.org/licenses/>.
 */
package org.granite.tide.validation;

import java.util.Map;
import java.util.Set;

import org.granite.messaging.service.ExceptionConverter;
import org.granite.messaging.service.ServiceException;
import javax.validation.ConstraintViolationException;
import javax.validation.ConstraintViolation;

/**
 * @author William DRAI
 */
public class BeanValidationExceptionConverter implements ExceptionConverter {
    
    public static final String VALIDATION_FAILED = "Validation.Failed";
    
    public boolean accepts(Throwable t, Throwable finalException) {
        return t.getClass().equals(ConstraintViolationException.class);
    }

    public ServiceException convert(Throwable t, String detail, Map<String, Object> extendedData) {
        Set<ConstraintViolation<?>> constraintViolations = ((ConstraintViolationException)t).getConstraintViolations();
        extendedData.put("invalidValues", BeanValidation.convertConstraintViolations(constraintViolations));
        
        ServiceException se = new ServiceException(VALIDATION_FAILED, t.getMessage(), detail, t);
        se.getExtendedData().putAll(extendedData);
        return se;
    }

}