LocationTagValidator.java example

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openmrs_gsoc-master
/**
 * 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.validator;

import org.openmrs.LocationTag;
import org.openmrs.annotation.Handler;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validates {@link LocationTag} objects
 * 
 * @since 1.7
 */
@Handler(supports = { LocationTag.class }, order = 50)
public class LocationTagValidator implements Validator {
	
	/**
	 * @see org.springframework.validation.Validator#supports(java.lang.Class)
	 */
	@Override
	public boolean supports(Class clazz) {
		return LocationTag.class.isAssignableFrom(clazz);
	}
	
	/**
	 * @see org.springframework.validation.Validator#validate(java.lang.Object,
	 *      org.springframework.validation.Errors)
	 */
	@Override
	public void validate(Object target, Errors errors) {
		if (target != null) {
			LocationTag locationTag = (LocationTag) target;
			ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "LocationTag.error.name.required");
		}
	}
	
}