org.openmrs.validator.ConceptClassValidator.java Source code

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Here is the source code for org.openmrs.validator.ConceptClassValidator.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.ConceptClass;
import org.openmrs.annotation.Handler;
import org.openmrs.api.context.Context;
import org.openmrs.util.OpenmrsUtil;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validates attributes on the {@link ConceptClass} object.
 * 
 * @since 1.5
 */
@Handler(supports = { ConceptClass.class }, order = 50)
public class ConceptClassValidator 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")
    public boolean supports(Class c) {
        return c.equals(ConceptClass.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 user is null or empty or whitespace
     * @should fail validation if name is already exist in non retired concept class
     * @should pass validation if description is null or empty or whitespace
     * @should pass validation if all required fields have proper values
     * @should pass validation if field lengths are correct
     * @should fail validation if field lengths are not correct
     */

    public void validate(Object obj, Errors errors) {
        ConceptClass cc = (ConceptClass) obj;
        if (cc == null) {
            errors.rejectValue("conceptClass", "error.general");
        } else {
            ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "error.name");
            if (!errors.hasErrors()) {
                ConceptClass exist = Context.getConceptService().getConceptClassByName(cc.getName());
                if (exist != null && !exist.isRetired()
                        && !OpenmrsUtil.nullSafeEquals(cc.getUuid(), exist.getUuid())) {
                    errors.rejectValue("name", "conceptclass.duplicate.name");
                }
            }
            ValidateUtil.validateFieldLengths(errors, obj.getClass(), "name", "description", "retireReason");
        }
    }

}