/**
 * 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.web.controller.person;

import java.util.List;
import java.util.Vector;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.RelationshipType;
import org.openmrs.api.APIException;
import org.openmrs.api.PersonService;
import org.openmrs.api.context.Context;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.mvc.SimpleFormController;

public class RelationshipTypeListController extends SimpleFormController {
	
	/** Logger for this class and subclasses */
	protected final Log log = LogFactory.getLog(getClass());
	
	/**
	 * Allows for Integers to be used as values in input tags. Normally, only strings and lists are
	 * expected
	 * 
	 * @see org.springframework.web.servlet.mvc.BaseCommandController#initBinder(javax.servlet.http.HttpServletRequest,
	 *      org.springframework.web.bind.ServletRequestDataBinder)
	 */
	protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {
		super.initBinder(request, binder);
		binder.registerCustomEditor(java.lang.Integer.class, new CustomNumberEditor(java.lang.Integer.class, true));
	}
	
	/**
	 * This is called prior to displaying a form for the first time. It tells Spring the
	 * form/command object to load into the request
	 * 
	 * @see org.springframework.web.servlet.mvc.AbstractFormController#formBackingObject(javax.servlet.http.HttpServletRequest)
	 */
	protected Object formBackingObject(HttpServletRequest request) throws ServletException {
		
		//default empty Object
		List<RelationshipType> relationshipTypeList = new Vector<RelationshipType>();
		
		//only fill the Object is the user has authenticated properly
		if (Context.isAuthenticated()) {
			PersonService ps = Context.getPersonService();
			relationshipTypeList = ps.getAllRelationshipTypes(true);
		}
		
		return relationshipTypeList;
	}
}
