org.openmrs.module.allergyapi.AllergyValidator.java Source code

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Here is the source code for org.openmrs.module.allergyapi.AllergyValidator.java

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/**
 * 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.module.allergyapi;

import org.apache.commons.lang.StringUtils;
import org.openmrs.annotation.Handler;
import org.openmrs.api.context.Context;
import org.openmrs.module.allergyapi.api.PatientService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

@Component("allergyValidator")
@Handler(supports = { Allergy.class }, order = 50)
public class AllergyValidator implements Validator {

    @Autowired
    private PatientService patientService;

    @Override
    public boolean supports(Class<?> clazz) {
        return Allergy.class.isAssignableFrom(clazz);
    }

    /**
     * @see Validator#validate(Object, org.springframework.validation.Errors)
     * @param target
     * @param errors
     * @should fail for a null value
     * @should fail if patient is null
     * @should fail id allergenType is null
     * @should fail if allergen is null
     * @should fail if codedAllergen is null
     * @should fail if nonCodedAllergen is null and allergen is set to other non coded
     * @should reject a duplicate allergen
     * @should reject a duplicate non coded allergen
     * @should pass for a valid allergy
     */
    @Override
    public void validate(Object target, Errors errors) {

        if (target == null) {
            throw new IllegalArgumentException("Allergy should not be null");
        }

        ValidationUtils.rejectIfEmpty(errors, "patient", "allergyapi.patient.required");

        Allergy allergy = (Allergy) target;

        if (allergy.getAllergen() == null) {
            errors.rejectValue("allergen", "allergyapi.allergen.required");
        } else {
            Allergen allergen = allergy.getAllergen();
            if (allergen.getAllergenType() == null) {
                errors.rejectValue("allergen", "allergyapi.allergenType.required");
            }

            if (allergen.getCodedAllergen() == null && StringUtils.isBlank(allergen.getNonCodedAllergen())) {
                errors.rejectValue("allergen", "allergyapi.allergen.codedOrNonCodedAllergen.required");
            } else if (!allergen.isCoded() && StringUtils.isBlank(allergen.getNonCodedAllergen())) {
                errors.rejectValue("allergen", "allergyapi.allergen.nonCodedAllergen.required");
            }

            if (allergy.getAllergyId() == null && allergy.getPatient() != null) {
                Allergies existingAllergies = patientService.getAllergies(allergy.getPatient());
                if (existingAllergies.containsAllergen(allergy)) {
                    String key = "ui.i18n.Concept.name." + allergen.getCodedAllergen().getUuid();
                    String name = Context.getMessageSourceService().getMessage(key);
                    if (key.equals(name)) {
                        name = allergen.toString();
                    }
                    errors.rejectValue("allergen", "allergyapi.message.duplicateAllergen", new Object[] { name },
                            null);
                }
            }
        }
    }
}