org.openmrs.module.patientflags.web.validators.FlagValidator.java Source code

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Here is the source code for org.openmrs.module.patientflags.web.validators.FlagValidator.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.patientflags.web.validators;

import org.openmrs.api.context.Context;
import org.openmrs.module.patientflags.Flag;
import org.openmrs.module.patientflags.FlagValidationResult;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validator for the Flag class
 */
public class FlagValidator implements Validator {

    @SuppressWarnings("rawtypes")
    public boolean supports(Class clazz) {
        return Flag.class.isAssignableFrom(clazz);
    }

    public void validate(Object target, Errors errors) {

        Flag flagToValidate = (Flag) target;

        // name cannot be empty
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "patientflags.errors.noName");

        // criteria is no longer required, because of custom cases
        //ValidationUtils.rejectIfEmptyOrWhitespace(errors, "criteria", "patientflags.errors.noCriteria");

        // make sure that the string fields aren't too large
        if (flagToValidate.getName().length() > 255)
            errors.rejectValue("name", "patientflags.errors.nameTooLong");

        if (flagToValidate.getCriteria().length() > 5000)
            errors.rejectValue("criteria", "patientflags.errors.criteriaTooLong");

        if (flagToValidate.getMessage().length() > 255)
            errors.rejectValue("message", "patientflags.errors.messageTooLong");

        if (flagToValidate.getEvaluator() == null) {
            errors.rejectValue("evaluator", "patientflags.errors.noEvaluator");
        } else {
            // run the target Flag's validate method to see if the criteria is well-formed
            FlagValidationResult result = flagToValidate.validate();

            if (!result.getResult()) {
                String message = result.getLocalizedMessage();
                errors.reject(null,
                        Context.getMessageSourceService().getMessage("patientflags.errors.invalidCriteria")
                                + (message != null ? ": " + message : ""));
            }
        }
    }
}