org.openmrs.web.controller.FieldGenController.java Source code

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Here is the source code for org.openmrs.web.controller.FieldGenController.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;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

public class FieldGenController implements Controller {

    protected Log log = LogFactory.getLog(this.getClass());

    @SuppressWarnings("unchecked")
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        // find the field that was identified in the openmrs:fieldGen taglib
        Object uri = request.getAttribute("javax.servlet.include.servlet_path.fieldGen");
        if (uri == null) {
            uri = request.getAttribute("javax.servlet.include.servlet_path");
        }
        String fieldGenPath = "";
        Map<String, Object> model = new HashMap<String, Object>();

        if (uri != null) {
            fieldGenPath = uri.toString();

            // Allowable extensions are '' (no extension) and '.field'
            if (fieldGenPath.endsWith("field")) {
                fieldGenPath = fieldGenPath.replace(".field", "");
            } else if (fieldGenPath.endsWith("jsp")) {
                throw new ServletException(
                        "Illegal extension used for fieldGen: '.jsp'. Allowable extensions are '' (no extension) and '.field'");
            }

            String type = (String) request.getAttribute("org.openmrs.fieldGen.type");
            String formFieldName = (String) request.getAttribute("org.openmrs.fieldGen.formFieldName");
            //String startVal = (String)request.getAttribute("org.openmrs.fieldGen.startVal");
            Map<String, Object> params = (Map<String, Object>) request
                    .getAttribute("org.openmrs.fieldGen.parameters");
            Map<String, Object> moreParams = (Map<String, Object>) request
                    .getAttribute("org.openmrs.fieldGen.parameterMap");

            model.put("type", type);
            model.put("formFieldName", formFieldName);
            model.put("obj", request.getAttribute("org.openmrs.fieldGen.object"));
            model.put("request", request.getAttribute("org.openmrs.fieldGen.request"));
            model.putAll(params);
            if (moreParams != null) {
                model.putAll(moreParams);
            }

            request.removeAttribute("org.openmrs.fieldGen.type");
            request.removeAttribute("org.openmrs.fieldGen.formFieldName");
            request.removeAttribute("org.openmrs.fieldGen.object");
            request.removeAttribute("org.openmrs.fieldGen.parameters");
            request.removeAttribute("org.openmrs.fieldGen.parameterMap");
        }

        return new ModelAndView(fieldGenPath, "model", model);

    }
}