/**
* 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.Program;
import org.openmrs.annotation.Handler;
import org.openmrs.api.context.Context;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;
/**
* Validates attributes on the {@link Program} object.
*
* @since 1.5
*/
@Handler(supports = { Program.class }, order = 50)
public class ProgramValidator implements Validator {
protected final Logger log = LoggerFactory.getLogger(getClass());
/**
* Determines if the command object being submitted is a valid type
*
* @see org.springframework.validation.Validator#supports(java.lang.Class)
*/
@Override
public boolean supports(Class<?> c) {
return c.equals(Program.class);
}
/**
* Checks the form object for any inconsistencies/errors
*
* @see org.springframework.validation.Validator#validate(java.lang.Object,
* org.springframework.validation.Errors)
* @should fail validation if name is null or empty or whitespace
* @should pass validation if description is null or empty or whitespace
* @should fail validation if program name already in use
* @should fail validation if concept is null or empty or whitespace
* @should pass validation if all required fields have proper values
* @should pass validation and save edited program
* @should pass validation if field lengths are correct
* @should fail validation if field lengths are not correct
*/
@Override
public void validate(Object obj, Errors errors) {
Program p = (Program) obj;
if (p == null) {
errors.rejectValue("program", "error.general");
} else {
ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "error.name");
ValidationUtils.rejectIfEmptyOrWhitespace(errors, "concept", "error.concept");
Program existingProgram = Context.getProgramWorkflowService().getProgramByName(p.getName());
if (existingProgram != null && !existingProgram.getUuid().equals(p.getUuid())) {
errors.rejectValue("name", "general.error.nameAlreadyInUse");
}
if (existingProgram != null && existingProgram.getUuid().equals(p.getUuid())) {
Context.evictFromSession(existingProgram);
}
ValidateUtil.validateFieldLengths(errors, obj.getClass(), "name");
}
}
}