/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.myfaces.extensions.validator.beanval.interceptor; | |
import org.apache.myfaces.extensions.validator.core.interceptor.PropertyValidationInterceptor; | |
import org.apache.myfaces.extensions.validator.core.property.PropertyInformation; | |
import org.apache.myfaces.extensions.validator.util.ClassUtils; | |
import org.apache.myfaces.extensions.validator.internal.ToDo; | |
import org.apache.myfaces.extensions.validator.internal.Priority; | |
import org.apache.myfaces.extensions.validator.internal.UsageInformation; | |
import org.apache.myfaces.extensions.validator.internal.UsageCategory; | |
import org.apache.myfaces.extensions.validator.beanval.ExtValBeanValidationContext; | |
import org.apache.commons.logging.Log; | |
import org.apache.commons.logging.LogFactory; | |
import javax.faces.context.FacesContext; | |
import javax.faces.component.UIComponent; | |
import javax.faces.component.EditableValueHolder; | |
import javax.faces.validator.BeanValidator; | |
import javax.faces.validator.Validator; | |
import java.util.Arrays; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.Map; | |
/** | |
* @author Gerhard Petracek | |
* @since 2.x.3 | |
*/ | |
@UsageInformation(UsageCategory.INTERNAL) | |
public class BeanValidationTagAwareValidationInterceptor implements PropertyValidationInterceptor | |
{ | |
protected final Log logger = LogFactory.getLog(getClass()); | |
public boolean beforeValidation(FacesContext facesContext, | |
UIComponent uiComponent, | |
Object convertedObject, | |
Map<String, Object> properties) | |
{ | |
if(uiComponent instanceof EditableValueHolder && //"filter" cross-validation calls | |
properties.containsKey(PropertyInformation.class.getName())) | |
{ | |
inspectValidators(facesContext.getViewRoot().getViewId(), | |
(EditableValueHolder)uiComponent, | |
uiComponent.getClientId(facesContext), | |
((EditableValueHolder)uiComponent).getValidators()); | |
} | |
return true; | |
} | |
public void afterValidation(FacesContext facesContext, | |
UIComponent uiComponent, | |
Object convertedObject, | |
Map<String, Object> properties) | |
{ | |
//not used | |
} | |
@ToDo.List({@ToDo(value = Priority.HIGH, description = "optimize"), | |
@ToDo(value = Priority.HIGH, description = "use reflection instead of BeanValidator for jsf 1.x versions"), | |
@ToDo(value = Priority.HIGH, description = "test") | |
}) | |
private void inspectValidators(String viewId, | |
EditableValueHolder editableValueHolder, | |
String clientId, | |
Validator[] validators) | |
{ | |
List<String> validatorsOfTagList = new ArrayList<String>(); | |
for (Validator validator : validators) | |
{ | |
//don't check with instanceof | |
if (validator.getClass().getName().equals(BeanValidator.class.getName())) | |
{ | |
validatorsOfTagList.addAll( | |
Arrays.asList(((BeanValidator) validator).getValidationGroups().split(","))); | |
//prevent double-validation | |
editableValueHolder.removeValidator(validator); | |
editableValueHolder.addValidator(new BeanValidatorWrapper((BeanValidator)validator)); | |
} | |
} | |
Class currentClass; | |
for(String groupClassName : validatorsOfTagList) | |
{ | |
currentClass = ClassUtils.tryToLoadClassForName(groupClassName); | |
if(currentClass != null && currentClass.isInterface()) | |
{ | |
ExtValBeanValidationContext.getCurrentInstance().addGroup(currentClass, viewId, clientId); | |
} | |
else | |
{ | |
if(this.logger.isErrorEnabled()) | |
{ | |
this.logger.error(groupClassName + " is no valid group - only existing interfaces are allowed"); | |
} | |
} | |
} | |
} | |
} |