/**
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
*
* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
* graphic logo is a trademark of OpenMRS Inc.
*/
package org.openmrs.validator;
import org.openmrs.Drug;
import org.openmrs.annotation.Handler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;
/**
* Validates {@link Drug} objects.
*
* @since 1.9
*/
@Handler(supports = { Drug.class }, order = 50)
public class ConceptDrugValidator implements Validator {
// Logger for this class
private static final Logger log = LoggerFactory.getLogger(ConceptDrugValidator.class);
/**
* Determines if the command object being submitted is a valid type
*
* @see org.springframework.validation.Validator#supports(java.lang.Class)
* @should support Drug class
* @should reject classes not extending Drug
*/
@Override
public boolean supports(Class<?> c) {
return Drug.class.isAssignableFrom(c);
}
/**
* Checks that a given <code>Drug</code> object is valid.
*
* @param obj the Object to validate
* @param errors holds the validation errors
* @throws IllegalArgumentException Runtime Exception if the supplied argument is
* null or not of type <code>Drug</code>
* @see org.springframework.validation.Validator#validate(java.lang.Object,
* org.springframework.validation.Errors)
* @should fail if a concept is not specified
*/
@Override
public void validate(Object obj, Errors errors) throws IllegalArgumentException {
if (obj == null || !(obj instanceof Drug)) {
throw new IllegalArgumentException("The parameter obj should not be null and must be of type" + Drug.class);
}
log.debug("request to validate drug having concept: " + ((Drug) obj).getConcept());
ValidationUtils.rejectIfEmpty(errors, "concept", "ConceptDrug.error.conceptRequired");
}
}