org.openmrs.validator.OrderFrequencyValidator.java Source code

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Here is the source code for org.openmrs.validator.OrderFrequencyValidator.java

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/**
 * 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.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.Concept;
import org.openmrs.ConceptClass;
import org.openmrs.OrderFrequency;
import org.openmrs.annotation.Handler;
import org.openmrs.api.context.Context;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validates the {@link OrderFrequency} class.
 * 
 * @since 1.10
 */
@Handler(supports = { OrderFrequency.class })
public class OrderFrequencyValidator implements Validator {

    /** Log for this class and subclasses */
    protected final Log log = LogFactory.getLog(getClass());

    /**
     * Determines if the command object being submitted is a valid type
     * 
     * @see org.springframework.validation.Validator#supports(java.lang.Class)
     */
    @SuppressWarnings("unchecked")
    @Override
    public boolean supports(Class c) {
        return OrderFrequency.class.isAssignableFrom(c);
    }

    /**
     * Checks the order frequency object for any inconsistencies/errors
     * 
     * @see org.springframework.validation.Validator#validate(java.lang.Object,
     *      org.springframework.validation.Errors)
     * @should fail if orderFrequency is null
     * @should fail if concept is null
     * @should fail if the concept is not of class frequency
     * @should fail if concept is used by another frequency
     * @should pass for a valid new order frequency
     * @should pass for a valid existing order frequency
     * @should be invoked when an order frequency is saved
     * @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) {
        OrderFrequency orderFrequency = (OrderFrequency) obj;
        if (orderFrequency == null) {
            errors.reject("error.general");
        } else {
            ValidationUtils.rejectIfEmpty(errors, "concept", "Concept.noConceptSelected");

            Concept concept = orderFrequency.getConcept();
            if (concept != null) {
                if (!ConceptClass.FREQUENCY_UUID.equals(concept.getConceptClass().getUuid())) {
                    errors.rejectValue("concept", "OrderFrequency.concept.shouldBeClassFrequency");
                }

                OrderFrequency of = Context.getOrderService().getOrderFrequencyByConcept(concept);
                if (of != null && !of.equals(orderFrequency)) {
                    errors.rejectValue("concept", "OrderFrequency.concept.shouldNotBeShared");
                }
            }
            ValidateUtil.validateFieldLengths(errors, obj.getClass(), "retireReason");
        }
    }
}