001 /**
002 * GRANITE DATA SERVICES
003 * Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004 *
005 * This file is part of the Granite Data Services Platform.
006 *
007 * Granite Data Services is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * Granite Data Services is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015 * General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020 * USA, or see <http://www.gnu.org/licenses/>.
021 */
022 package org.granite.tide.spring;
023
024 import java.util.List;
025 import java.util.Locale;
026 import java.util.Map;
027
028 import javax.servlet.ServletContext;
029
030 import org.granite.context.GraniteContext;
031 import org.granite.messaging.service.ExceptionConverter;
032 import org.granite.messaging.service.ServiceException;
033 import org.granite.messaging.webapp.HttpGraniteContext;
034 import org.springframework.context.ApplicationContext;
035 import org.springframework.validation.BindingResult;
036 import org.springframework.validation.Errors;
037 import org.springframework.validation.FieldError;
038 import org.springframework.validation.ObjectError;
039 import org.springframework.web.context.support.WebApplicationContextUtils;
040
041
042 public class SpringValidationExceptionConverter implements ExceptionConverter {
043
044 public static final String VALIDATION_FAILED = "Validation.Failed";
045
046
047 public boolean accepts(Throwable t, Throwable finalException) {
048 return t.getClass().equals(SpringValidationException.class);
049 }
050
051 public ServiceException convert(Throwable t, String detail, Map<String, Object> extendedData) {
052 Errors errors = ((SpringValidationException)t).getErrors();
053 extendedData.put("invalidValues", convertErrors(errors));
054
055 ServiceException se = new ServiceException(VALIDATION_FAILED, t.getMessage(), detail, t);
056 se.getExtendedData().putAll(extendedData);
057 return se;
058 }
059
060
061 public static org.granite.tide.validators.InvalidValue[] convertErrors(Errors errors) {
062 Object bean = null;
063 GraniteContext context = GraniteContext.getCurrentInstance();
064 ServletContext sc = ((HttpGraniteContext)context).getServletContext();
065 ApplicationContext springContext = WebApplicationContextUtils.getWebApplicationContext(sc);
066
067 BindingResult bindingResult = null;
068 if (errors instanceof BindingResult) {
069 bindingResult = (BindingResult)errors;
070 bean = bindingResult.getTarget();
071 }
072
073 org.granite.tide.validators.InvalidValue[] converted = new org.granite.tide.validators.InvalidValue[errors.getErrorCount()];
074 List<? extends ObjectError> allErrors = errors.getAllErrors();
075 int i = 0;
076 for (ObjectError error : allErrors) {
077 if (error instanceof FieldError) {
078 FieldError ferror = (FieldError)error;
079 converted[i++] = new org.granite.tide.validators.InvalidValue(bean != null ? bean : ferror.getObjectName(),
080 ferror.getField(),
081 ferror.getRejectedValue(),
082 springContext.getMessage(ferror, Locale.FRENCH));
083 }
084 else {
085 converted[i++] = new org.granite.tide.validators.InvalidValue(bean != null ? bean : error.getObjectName(),
086 null,
087 null,
088 springContext.getMessage(error, Locale.FRENCH));
089 }
090 }
091 return converted;
092 }
093 }