org.openmrs.module.adminui.location.AdminUiLocationValidator.java Source code

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Here is the source code for org.openmrs.module.adminui.location.AdminUiLocationValidator.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.adminui.location;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.Location;
import org.openmrs.annotation.Handler;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

@Handler(supports = { Location.class }, order = 50)
public class AdminUiLocationValidator implements Validator {

    /**
     * Log for this class and subclasses
     */
    protected final Log log = LogFactory.getLog(getClass());

    /**
     * @see org.springframework.validation.Validator#supports(java.lang.Class)
     */
    /**
     * Determines if the command object being submitted is a valid type
     *
     * @see org.springframework.validation.Validator#supports(Class)
     */

    public boolean supports(Class<?> c) {
        if (log.isDebugEnabled()) {
            log.debug(this.getClass().getName() + ".supports: " + c.getName());
        }

        return c.equals(Location.class);
    }

    public void validate(Object obj, Errors errors) {
        if (log.isDebugEnabled()) {
            log.debug(this.getClass().getName() + ".validate...");
        }

        if (obj == null || !(obj instanceof Location)) {
            throw new IllegalArgumentException(
                    "The parameter obj should not be null and must be of type " + Location.class);
        }

        Location location = (Location) obj;
        validateNameField(errors, location);
        validateDescriptionField(errors, location.getDescription());
    }

    private void validateNameField(Errors errors, Location location) {
        ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "error.name");
        if (verifyIfNameHasMoreThan100Characters(location.getName())) {//TODO adjust to not longer than 255
            errors.rejectValue("name", "adminui.location.longName.errorMessage");
        }
    }

    private boolean verifyIfNameHasMoreThan100Characters(String locationName) {
        if (locationName != null) {
            return (locationName.length() > 100) ? true : false;
        }
        return false;
    }

    private void validateDescriptionField(Errors errors, String description) {
        if (verifyIfDescriptionHasMoreThan1024Characters(description)) {
            errors.rejectValue("description", "adminui.location.description.errorMessage");
        }
    }

    private boolean verifyIfDescriptionHasMoreThan1024Characters(String description) {
        if (description != null) {
            return (description.length() > 1024) ? true : false;
        }
        return false;
    }

}