package com.em.validation.client.metadata;
/*
GWT Validation Framework - A JSR-303 validation framework for GWT
(c) 2008 gwt-validation contributors (http://code.google.com/p/gwt-validation/)
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.
*/
import java.util.HashSet;
import java.util.Set;
import javax.validation.metadata.BeanDescriptor;
import javax.validation.metadata.ConstraintDescriptor;
import javax.validation.metadata.ElementDescriptor;
import javax.validation.metadata.PropertyDescriptor;
import com.em.validation.client.metadata.factory.DescriptorFactory;
import com.em.validation.client.reflector.IReflector;
/**
* The implementation of the bean descriptor class
*
* @author chris
*
*/
public class BeanDescriptorImpl extends ProtoDescriptor implements BeanDescriptor {
public BeanDescriptorImpl(IReflector reflector) {
super(reflector);
}
@Override
public Set<PropertyDescriptor> getConstrainedProperties() {
Set<PropertyDescriptor> propertyDescriptors = new HashSet<PropertyDescriptor>();
//this was added as part of the work-around for the problems found in issue #32. this just gets us passed
//one set of exceptions and not passed the entire problem. there was a null pointer exception being thrown
//by one of the generated classes at this point because it's backing reflector hadn't been generated.
if(this.backingReflector == null || this.backingReflector.getPropertyNames() == null) {
return propertyDescriptors;
}
for(String propertyName : this.backingReflector.getPropertyNames()) {
PropertyDescriptor descriptor = DescriptorFactory.INSTANCE.getPropertyDescriptor(this.backingReflector, propertyName);
if(descriptor.hasConstraints() || descriptor.isCascaded()) {
propertyDescriptors.add(descriptor);
}
}
return propertyDescriptors;
}
@Override
public PropertyDescriptor getConstraintsForProperty(String name) {
if(name == null) {
throw new IllegalArgumentException("Property name cannot be null.");
}
if(!this.backingReflector.getPropertyNames().contains(name)) {
return null;
}
PropertyDescriptor descriptor = DescriptorFactory.INSTANCE.getPropertyDescriptor(this.backingReflector, name);
if(!descriptor.hasConstraints() && !descriptor.isCascaded()) {
return null;
}
return descriptor;
}
@Override
public boolean isBeanConstrained() {
return this.backingReflector.getConstraintDescriptors().size() > 0;
}
@Override
public Set<ConstraintDescriptor<?>> getConstraintDescriptors() {
return backingReflector.getClassConstraintDescriptors();
}
@Override
public Class<?> getElementClass() {
return this.backingReflector.getTargetClass();
}
@Override
public boolean hasConstraints() {
return !this.getConstraintDescriptors().isEmpty();
}
@Override
public ConstraintFinder findConstraints() {
final class PrivateConstraintFinderImpl extends BeanConstraintFinderImpl {
public PrivateConstraintFinderImpl(IReflector reflector, ElementDescriptor descriptor) {
super(reflector,descriptor);
}
}
return new PrivateConstraintFinderImpl(this.backingReflector,this);
}
}