org.openmrs.validator.AlertValidator.java Source code

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Here is the source code for org.openmrs.validator.AlertValidator.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.annotation.Handler;
import org.openmrs.notification.Alert;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validates attributes on the {@link Alert} object.
 *
 * @since 1.10
 */
@Handler(supports = { Alert.class }, order = 50)
public class AlertValidator 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)
     */
    public boolean supports(Class<?> c) {
        return Alert.class.isAssignableFrom(c);
    }

    /**
     * @see org.springframework.validation.Validator#validate(java.lang.Object, org.springframework.validation.Errors)
     * @should fail validation if Alert Text is null or empty or whitespace
     * @should pass validation if all required values are set
     * @should pass validation if field lengths are correct
     * @should fail validation if field lengths are not correct
     */
    public void validate(Object obj, Errors errors) {
        Alert alert = (Alert) obj;
        if (alert == null) {
            errors.rejectValue("alert", "error.general");
        } else {
            ValidationUtils.rejectIfEmptyOrWhitespace(errors, "text", "Alert.text.required");
            ValidateUtil.validateFieldLengths(errors, obj.getClass(), "text");
        }
    }
}