org.openmrs.module.jsslab.validator.LabPreconditionValidator.java Source code

Java tutorial

Introduction

Here is the source code for org.openmrs.module.jsslab.validator.LabPreconditionValidator.java

Source

/**
 * 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.jsslab.validator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.module.jsslab.db.LabPrecondition;
import org.openmrs.annotation.Handler;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validates the {@link LabPrecondition} class.
 * 
 * @since 1.5
 */
@Handler(supports = { LabPrecondition.class }, order = 50)
public class LabPreconditionValidator 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("rawtypes")
    public boolean supports(Class c) {
        return LabPrecondition.class.isAssignableFrom(c);
    }

    /**
     * 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 required fields are missing
     */
    public void validate(Object obj, Errors errors) {

        LabPrecondition precondition = (LabPrecondition) obj;
        if (precondition == null) {
            errors.rejectValue("precondition", "jsslab.validation.error.null");
        }

        // for the following elements LabPrecondition.hbm.xml says: not-null="true"
        ValidationUtils.rejectIfEmpty(errors, "testPanel", "jsslab.validation.NullTestPanel");
        ValidationUtils.rejectIfEmpty(errors, "preconditionQuestionConcept", "jsslab.validation.NullConcept");
        ValidationUtils.rejectIfEmpty(errors, "preconditionAnswerConcept", "jsslab.validation.NullConcept");
        ValidationUtils.rejectIfEmpty(errors, "creator", "jsslab.validation.NullField");
        ValidationUtils.rejectIfEmpty(errors, "dateCreated", "jsslab.validation.NullField");
        ValidationUtils.rejectIfEmpty(errors, "voided", "jsslab.validation.NullField");
    }
}