/* | |
* 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.baseval.strategy; | |
import org.apache.myfaces.extensions.validator.baseval.annotation.JoinValidation; | |
import org.apache.myfaces.extensions.validator.baseval.annotation.extractor.DefaultPropertyScanningAnnotationExtractor; | |
import org.apache.myfaces.extensions.validator.core.annotation.AnnotationEntry; | |
import org.apache.myfaces.extensions.validator.core.annotation.extractor.AnnotationExtractor; | |
import org.apache.myfaces.extensions.validator.core.validation.strategy.AbstractValidatorAdapter; | |
import org.apache.myfaces.extensions.validator.core.validation.strategy.ValidationStrategy; | |
import org.apache.myfaces.extensions.validator.core.el.ValueBindingExpression; | |
import org.apache.myfaces.extensions.validator.util.ExtValUtils; | |
import javax.faces.component.UIComponent; | |
import javax.faces.context.FacesContext; | |
import javax.faces.validator.ValidatorException; | |
/** | |
* @author Gerhard Petracek | |
*/ | |
public class JoinValidationStrategy extends AbstractValidatorAdapter | |
{ | |
public void processValidation(FacesContext facesContext, | |
UIComponent uiComponent, AnnotationEntry annotationEntry, | |
Object convertedObject) throws ValidatorException | |
{ | |
AnnotationExtractor extractor = new DefaultPropertyScanningAnnotationExtractor(); | |
String[] targetExpressions = annotationEntry.getAnnotation(JoinValidation.class).value(); | |
ValidationStrategy validationStrategy; | |
for (String targetExpression : targetExpressions) | |
{ | |
targetExpression = createValidBinding(annotationEntry, targetExpression); | |
for (AnnotationEntry entry : extractor.extractAnnotations(facesContext, targetExpression)) | |
{ | |
validationStrategy = ExtValUtils.getValidationStrategyForAnnotation(entry.getAnnotation()); | |
if (validationStrategy != null) | |
{ | |
validationStrategy.validate(facesContext, uiComponent, entry, convertedObject); | |
} | |
else | |
{ | |
if(logger.isTraceEnabled()) | |
{ | |
logger.trace("no validation strategy found for " | |
+ entry.getAnnotation().annotationType().getName()); | |
} | |
} | |
} | |
} | |
} | |
private String createValidBinding(AnnotationEntry annotationEntry, String targetExpression) | |
{ | |
if(ExtValUtils.getELHelper().isELTerm(targetExpression)) | |
{ | |
return targetExpression; | |
} | |
ValueBindingExpression baseExpression = new ValueBindingExpression(annotationEntry.getValueBindingExpression()); | |
return ValueBindingExpression.replaceOrAddProperty(baseExpression, targetExpression).getExpressionString(); | |
} | |
} |