001 /*
002 GRANITE DATA SERVICES
003 Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005 This file is part of Granite Data Services.
006
007 Granite Data Services is free software; you can redistribute it and/or modify
008 it under the terms of the GNU Library General Public License as published by
009 the Free Software Foundation; either version 2 of the License, or (at your
010 option) any later version.
011
012 Granite Data Services is distributed in the hope that it will be useful, but
013 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015 for more details.
016
017 You should have received a copy of the GNU Library General Public License
018 along with this library; if not, see <http://www.gnu.org/licenses/>.
019 */
020
021 package org.granite.tide.spring;
022
023 import java.util.List;
024 import java.util.Locale;
025 import java.util.Map;
026
027 import javax.servlet.ServletContext;
028
029 import org.granite.context.GraniteContext;
030 import org.granite.messaging.service.ExceptionConverter;
031 import org.granite.messaging.service.ServiceException;
032 import org.granite.messaging.webapp.HttpGraniteContext;
033 import org.springframework.context.ApplicationContext;
034 import org.springframework.validation.BindingResult;
035 import org.springframework.validation.Errors;
036 import org.springframework.validation.FieldError;
037 import org.springframework.validation.ObjectError;
038 import org.springframework.web.context.support.WebApplicationContextUtils;
039
040
041 public class SpringValidationExceptionConverter implements ExceptionConverter {
042
043 public static final String VALIDATION_FAILED = "Validation.Failed";
044
045
046 public boolean accepts(Throwable t, Throwable finalException) {
047 return t.getClass().equals(SpringValidationException.class);
048 }
049
050 public ServiceException convert(Throwable t, String detail, Map<String, Object> extendedData) {
051 Errors errors = ((SpringValidationException)t).getErrors();
052 extendedData.put("invalidValues", convertErrors(errors));
053
054 ServiceException se = new ServiceException(VALIDATION_FAILED, t.getMessage(), detail, t);
055 se.getExtendedData().putAll(extendedData);
056 return se;
057 }
058
059
060 public static org.granite.tide.validators.InvalidValue[] convertErrors(Errors errors) {
061 Object bean = null;
062 GraniteContext context = GraniteContext.getCurrentInstance();
063 ServletContext sc = ((HttpGraniteContext)context).getServletContext();
064 ApplicationContext springContext = WebApplicationContextUtils.getWebApplicationContext(sc);
065
066 BindingResult bindingResult = null;
067 if (errors instanceof BindingResult) {
068 bindingResult = (BindingResult)errors;
069 bean = bindingResult.getTarget();
070 }
071
072 org.granite.tide.validators.InvalidValue[] converted = new org.granite.tide.validators.InvalidValue[errors.getErrorCount()];
073 List<? extends ObjectError> allErrors = errors.getAllErrors();
074 int i = 0;
075 for (ObjectError error : allErrors) {
076 if (error instanceof FieldError) {
077 FieldError ferror = (FieldError)error;
078 converted[i++] = new org.granite.tide.validators.InvalidValue(bean != null ? bean : ferror.getObjectName(),
079 ferror.getField(),
080 ferror.getRejectedValue(),
081 springContext.getMessage(ferror, Locale.FRENCH));
082 }
083 else {
084 converted[i++] = new org.granite.tide.validators.InvalidValue(bean != null ? bean : error.getObjectName(),
085 null,
086 null,
087 springContext.getMessage(error, Locale.FRENCH));
088 }
089 }
090 return converted;
091 }
092 }