org.openmrs.web.OpenmrsCookieLocaleResolver.java Source code

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Here is the source code for org.openmrs.web.OpenmrsCookieLocaleResolver.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;

import java.util.Locale;

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

import org.openmrs.api.context.Context;
import org.springframework.web.servlet.i18n.CookieLocaleResolver;

public class OpenmrsCookieLocaleResolver extends CookieLocaleResolver {

    public Locale resolveLocale(HttpServletRequest request) {

        Locale locale;

        locale = Context.getLocale();
        if (locale != null) {
            return locale;
        }

        //fall back to cookie that was set
        return super.resolveLocale(request);
    }

    public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) {

        HttpSession session = (HttpSession) request.getSession();

        // if a user clicks on the locale change links 
        // AND their current default locale is different (so the msg isn't repeated)
        if (request.getParameter("lang") != null && Context.isAuthenticated()
                && !Context.getLocale().equals(locale)) {
            session.setAttribute(WebConstants.OPENMRS_MSG_ARGS, request.getContextPath());
            session.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "User.localeChangeHint");
        }

        Context.setLocale(locale);

        response.setLocale(locale);

        //still set the cookie for later possible use.
        super.setLocale(request, response, locale);

    }

    public String getCookieName() {
        return WebConstants.OPENMRS_LANGUAGE_COOKIE_NAME;
    }

}