org.openmrs.validator.ConceptDrugValidator.java Source code

Introduction

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

Source

/**
 * 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.Drug;
import org.openmrs.annotation.Handler;
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 {

    // Log for this class
    private static final Log log = LogFactory.getLog(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
     */
    @SuppressWarnings("rawtypes")
    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
     */
    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");
    }

}