org.openmrs.module.openhmis.inventory.web.controller.ItemConceptSuggestionPageController.java Source code

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Here is the source code for org.openmrs.module.openhmis.inventory.web.controller.ItemConceptSuggestionPageController.java

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/*
 * The contents of this file are subject to the OpenMRS Public License
 * Version 2.0 (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.module.openhmis.inventory.web.controller;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;

import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.map.JsonMappingException;
import org.openmrs.module.openhmis.inventory.web.ModuleWebConstants;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller(value = "invItemConceptSuggestionPageController")
public class ItemConceptSuggestionPageController {

    private static final String ITEM_CONCEPT_SUGGESTION_BASE = "openhmis.inventory.itemConceptSuggestion";
    private static final String ITEM_CONCEPT_SUGGESTION_PAGE = "itemConceptSuggestion.form";

    @RequestMapping(value = ModuleWebConstants.ITEM_CONCEPT_SUGGESTION_ROOT, method = RequestMethod.GET)
    public void render(ModelMap model, HttpServletRequest request)
            throws JsonGenerationException, JsonMappingException, IOException {
        String returnUrl = getReturnUrl(request);

        model.addAttribute("returnUrl", returnUrl);
        model.addAttribute("modelBase", ITEM_CONCEPT_SUGGESTION_BASE);
    }

    private String getReturnUrl(HttpServletRequest request) {
        String returnUrl = ModuleWebConstants.INVENTORY_PAGE;
        String referer = request.getHeader("referer");
        if (!referer.contains(ITEM_CONCEPT_SUGGESTION_PAGE)) {
            int refererWithoutHostPrefixStartIndex = referer.indexOf('/', 8);
            String refererWithoutHostPrefix = referer.substring(refererWithoutHostPrefixStartIndex);
            returnUrl = refererWithoutHostPrefix;
        }
        return returnUrl;
    }
}