/**
 * 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
 *
* 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.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.RelationshipType;
import org.openmrs.annotation.Handler;
import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

/**
 * Validates attributes on the {@link RelationshipType} object.
 *
 * @since 1.10
 */
@Handler(supports = { RelationshipType.class }, order = 50)
public class RelationshipTypeValidator 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("unchecked")
	public boolean supports(Class c) {
		return c.equals(RelationshipType.class);
	}

	/**
	 * @see org.springframework.validation.Validator#validate(java.lang.Object, org.springframework.validation.Errors)
	 * @should fail validation if name is null or empty or whitespace
	 * @should fail validation if description is null or empty or whitespace
	 */
	public void validate(Object obj, Errors errors) {
		RelationshipType relationshipType = (RelationshipType) obj;
		if (relationshipType == null) {
			errors.rejectValue("relationshipType", "error.general");
		}

		if (RelationshipType.aIsToB == null) {
			errors.rejectValue("aIsToB", "error.general");
		}
		if (RelationshipType.bIsToA == null) {
			errors.rejectValue("bIsToA", "error.general");
		}
	}
}