eu.supersede.fe.rest.LocaleRest.java Source code

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Here is the source code for eu.supersede.fe.rest.LocaleRest.java

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/*
   (C) Copyright 2015-2018 The SUPERSEDE Project Consortium
    
   Licensed under the Apache 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://www.apache.org/licenses/LICENSE-2.0
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package eu.supersede.fe.rest;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.context.HttpSessionSecurityContextRepository;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import eu.supersede.fe.jpa.UsersJpa;
import eu.supersede.fe.model.Locale;
import eu.supersede.fe.model.User;
import eu.supersede.fe.security.DatabaseUser;

@RestController
@RequestMapping("/locale")
public class LocaleRest {
    @Autowired
    private UsersJpa users;

    @SuppressWarnings("serial")
    private static final List<Locale> locales = new ArrayList<Locale>() {
        {
            add(new Locale(new java.util.Locale("any"), "Browser"));
            add(new Locale(java.util.Locale.ENGLISH, "English"));
            add(new Locale(java.util.Locale.GERMAN, "Deutsch"));
            add(new Locale(new java.util.Locale("es"), "Espa\u00F1ol"));
            add(new Locale(java.util.Locale.ITALIAN, "Italiano"));
        }
    };

    @RequestMapping("")
    public List<Locale> getLocales() {
        return locales;
    }

    @RequestMapping("/current")
    public Locale getCurrentLocale(Authentication auth) {
        Object user = auth.getPrincipal();
        String l = "any";

        if (user instanceof DatabaseUser) {
            DatabaseUser dbUser = (DatabaseUser) user;

            if (dbUser.getLocale() != null && !dbUser.getLocale().equals("")) {
                l = dbUser.getLocale();
            }
        }

        return new Locale(l, "");
    }

    @RequestMapping(method = RequestMethod.PUT, value = "/current")
    public void setCurrentLocale(Authentication auth, @RequestParam(required = true) String lang,
            HttpServletRequest request) {
        if (lang.equals("any")) {
            lang = "";
        }

        Object user = SecurityContextHolder.getContext().getAuthentication().getPrincipal();

        if (user instanceof DatabaseUser) {
            DatabaseUser dbUser = (DatabaseUser) user;
            dbUser.setLocale(lang);

            // updating principal in session
            Authentication authentication = new UsernamePasswordAuthenticationToken(dbUser, dbUser.getPassword(),
                    dbUser.getAuthorities());
            SecurityContextHolder.getContext().setAuthentication(authentication);
            request.getSession(false).setAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY,
                    SecurityContextHolder.getContext());

            User u = users.getOne(dbUser.getUserId());
            u.setLocale(lang);
            users.save(u);
        }
    }
}