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/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.metadata;
import java.util.Collections;
import java.util.Set;
import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.el.ValueReference;
import javax.faces.context.FacesContext;
import javax.validation.Validator;
import javax.validation.groups.Default;
import javax.validation.metadata.BeanDescriptor;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import org.primefaces.context.PrimeApplicationContext;
import org.primefaces.el.ValueExpressionAnalyzer;
import org.primefaces.util.LangUtils;
public class BeanValidationMetadataExtractor {
private BeanValidationMetadataExtractor() {
}
public static Set> extractAllConstraintDescriptors(FacesContext context, PrimeApplicationContext applicationContext,
ValueExpression ve) {
PropertyDescriptor propertyDescriptor = extractPropertyDescriptor(context, applicationContext, ve);
if (propertyDescriptor != null) {
return propertyDescriptor.getConstraintDescriptors();
}
return Collections.emptySet();
}
public static Set> extractDefaultConstraintDescriptors(FacesContext context, PrimeApplicationContext applicationContext,
ValueExpression ve) {
return extractConstraintDescriptors(context, applicationContext, ve, Default.class);
}
public static Set> extractConstraintDescriptors(FacesContext context, PrimeApplicationContext applicationContext,
ValueExpression ve, Class... groups) {
PropertyDescriptor propertyDescriptor = extractPropertyDescriptor(context, applicationContext, ve);
if (propertyDescriptor != null) {
return propertyDescriptor.findConstraints().unorderedAndMatchingGroups(groups).getConstraintDescriptors();
}
return Collections.emptySet();
}
public static PropertyDescriptor extractPropertyDescriptor(FacesContext context, PrimeApplicationContext applicationContext, ValueExpression ve) {
if (ve != null) {
ELContext elContext = context.getELContext();
ValueReference vr = ValueExpressionAnalyzer.getReference(elContext, ve);
if (vr != null) {
Validator validator = applicationContext.getValidator();
Object base = vr.getBase();
Object property = vr.getProperty();
if (base != null && property != null) {
Class unproxied = LangUtils.getUnproxiedClass(base.getClass());
BeanDescriptor beanDescriptor = validator.getConstraintsForClass(unproxied);
if (beanDescriptor != null) {
return beanDescriptor.getConstraintsForProperty(property.toString());
}
}
}
}
return null;
}
}
