org.openmrs.web.controller.hl7.HL7SourceFormController.java Source code

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Here is the source code for org.openmrs.web.controller.hl7.HL7SourceFormController.java

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/**
 * 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.hl7;

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.hl7.HL7Source;
import org.openmrs.api.APIException;
import org.openmrs.hl7.HL7Service;
import org.openmrs.api.context.Context;
import org.openmrs.web.WebConstants;
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.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;

/**
 * This is the controlling class for hl7SourceForm.jsp page. It initBinder and formBackingObject are
 * called before page load. After submission,The onSubmit function receives the form/command object
 * that was modified by the input form and saves it to the db
 */
public class HL7SourceFormController 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));
    }

    /**
     * The onSubmit function receives the form/command object that was modified by the input form
     * and saves it to the db
     * 
     * @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse, java.lang.Object,
     *      org.springframework.validation.BindException)
     */
    protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object obj,
            BindException errors) throws Exception {

        HttpSession httpSession = request.getSession();

        String view = getFormView();

        if (Context.isAuthenticated()) {
            HL7Source hl7Source = (HL7Source) obj;
            HL7Service hs = Context.getHL7Service();

            if (request.getParameter("save") != null) {
                hs.saveHL7Source(hl7Source);
                view = getSuccessView();
                httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "HL7Source.saved");
            }

            // if the user is retiring out the HL7Source
            //not implemented yet

            // if the user is purging the HL7Source
            else if (request.getParameter("purge") != null) {

                try {
                    hs.purgeHL7Source(hl7Source);
                    httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "HL7Source.purgedSuccessfully");
                    view = getSuccessView();
                } catch (DataIntegrityViolationException e) {
                    httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR, "error.object.inuse.cannot.purge");
                    view = "hl7Source.form?hl7SourceId=" + hl7Source.getHL7SourceId();
                } catch (APIException e) {
                    httpSession.setAttribute(WebConstants.OPENMRS_ERROR_ATTR,
                            "error.general: " + e.getLocalizedMessage());
                    view = "hl7Source.form?hl7SourceId=" + hl7Source.getHL7SourceId();
                }
            }

        }

        return new ModelAndView(new RedirectView(view));
    }

    /**
     * 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 {

        HL7Source hl7Source = null;

        if (Context.isAuthenticated()) {
            HL7Service hs = Context.getHL7Service();
            String hl7SourceId = request.getParameter("hl7SourceId");
            if (hl7SourceId != null) {
                hl7Source = hs.getHL7Source(Integer.valueOf(hl7SourceId));
            }
        }

        if (hl7Source == null) {
            hl7Source = new HL7Source();
        }

        return hl7Source;
    }

}