BaseCustomizableValidator.java
/**
* The contents of this file are subject to the OpenMRS Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://license.openmrs.org
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* Copyright (C) OpenMRS, LLC. All Rights Reserved.
*/
package org.openmrs.validator;
import java.util.Collection;
import org.openmrs.api.APIException;
import org.openmrs.attribute.Attribute;
import org.openmrs.attribute.AttributeType;
import org.openmrs.customdatatype.Customizable;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;
/**
* This abstract class provides utilities for validators for Customizable subclasses.
* @since 1.9
*/
public abstract class BaseCustomizableValidator implements Validator {
/**
* Validate the attributes of the given Customizable, given the list of relevant attribute types
*/
@SuppressWarnings("rawtypes")
public <T extends AttributeType, A extends Attribute> void validateAttributes(Customizable<A> customizable,
Errors errors, Collection<T> attributeTypes) {
// check to make sure that the target has the right number of each type of attribute
for (T at : attributeTypes) {
if (at.getMinOccurs() > 0 || at.getMaxOccurs() != null) {
int numFound = 0;
for (A attr : customizable.getActiveAttributes()) {
if (attr.getAttributeType().equals(at))
++numFound;
}
if (at.getMinOccurs() > 0) {
if (numFound < at.getMinOccurs()) {
// report an error
if (at.getMinOccurs() == 1)
errors.rejectValue("activeAttributes", "error.required", new Object[] { at.getName() }, null);
else
errors.rejectValue("activeAttributes", "attribute.error.minOccurs", new Object[] { at.getName(),
at.getMinOccurs() }, null);
}
}
if (at.getMaxOccurs() != null) {
if (numFound > at.getMaxOccurs()) {
errors.rejectValue("activeAttributes", "attribute.error.maxOccurs", new Object[] { at.getName(),
at.getMaxOccurs() }, null);
}
}
}
}
// validate all non-voided attributes for their values (we already checked minOccurs and maxOccurs for the types)
boolean errorsInAttributes = false;
for (Attribute attr : customizable.getActiveAttributes()) {
try {
ValidateUtil.validate(attr);
}
catch (APIException ex) {
errorsInAttributes = true;
break;
}
}
if (errorsInAttributes) {
errors.rejectValue("attributes", "Customizable.error.inAttributes");
}
}
}