Spring Framework example source code file (CookieLocaleResolverTests.java)

This example Spring Framework source code file (CookieLocaleResolverTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

cookie, cookie, cookielocaleresolver, cookielocaleresolver, cookielocaleresolvertests, exception, http, languagekoek, languagekoekje, locale, locale, mockhttpservletrequest, mockhttpservletrequest, mockhttpservletresponse, request, response, servlet, testcase, util

The Spring Framework CookieLocaleResolverTests.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * 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 org.springframework.web.servlet.i18n;

import java.util.Locale;

import javax.servlet.http.Cookie;

import junit.framework.TestCase;

import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;

/**
 * @author Alef Arendsen
 * @author Juergen Hoeller
 * @author Rick Evans
 */
public class CookieLocaleResolverTests extends TestCase {

	public void testResolveLocale() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		Cookie cookie = new Cookie("LanguageKoekje", "nl");
		request.setCookies(new Cookie[]{cookie});

		CookieLocaleResolver resolver = new CookieLocaleResolver();
		// yup, koekje is the Dutch name for Cookie ;-)
		resolver.setCookieName("LanguageKoekje");
		Locale loc = resolver.resolveLocale(request);
		assertEquals(loc.getLanguage(), "nl");
	}

	public void testSetAndResolveLocale() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		MockHttpServletResponse response = new MockHttpServletResponse();

		CookieLocaleResolver resolver = new CookieLocaleResolver();
		resolver.setLocale(request, response, new Locale("nl", ""));

		Cookie cookie = response.getCookie(CookieLocaleResolver.DEFAULT_COOKIE_NAME);
		assertNotNull(cookie);
		assertEquals(CookieLocaleResolver.DEFAULT_COOKIE_NAME, cookie.getName());
		assertEquals(null, cookie.getDomain());
		assertEquals(CookieLocaleResolver.DEFAULT_COOKIE_PATH, cookie.getPath());
		assertEquals(CookieLocaleResolver.DEFAULT_COOKIE_MAX_AGE, cookie.getMaxAge());
		assertFalse(cookie.getSecure());

		request = new MockHttpServletRequest();
		request.setCookies(new Cookie[]{cookie});

		resolver = new CookieLocaleResolver();
		Locale loc = resolver.resolveLocale(request);
		assertEquals(loc.getLanguage(), "nl");
	}

	public void testCustomCookie() {
		MockHttpServletRequest request = new MockHttpServletRequest();
		MockHttpServletResponse response = new MockHttpServletResponse();

		CookieLocaleResolver resolver = new CookieLocaleResolver();
		resolver.setCookieName("LanguageKoek");
		resolver.setCookieDomain(".springframework.org");
		resolver.setCookiePath("/mypath");
		resolver.setCookieMaxAge(10000);
		resolver.setCookieSecure(true);
		resolver.setLocale(request, response, new Locale("nl", ""));

		Cookie cookie = response.getCookie("LanguageKoek");
		assertNotNull(cookie);
		assertEquals("LanguageKoek", cookie.getName());
		assertEquals(".springframework.org", cookie.getDomain());
		assertEquals("/mypath", cookie.getPath());
		assertEquals(10000, cookie.getMaxAge());
		assertTrue(cookie.getSecure());

		request = new MockHttpServletRequest();
		request.setCookies(new Cookie[]{cookie});

		resolver = new CookieLocaleResolver();
		resolver.setCookieName("LanguageKoek");
		Locale loc = resolver.resolveLocale(request);
		assertEquals(loc.getLanguage(), "nl");
	}

	public void testResolveLocaleWithoutCookie() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.TAIWAN);

		CookieLocaleResolver resolver = new CookieLocaleResolver();

		Locale locale = resolver.resolveLocale(request);
		assertEquals(request.getLocale(), locale);
	}

	public void testResolveLocaleWithoutCookieAndDefaultLocale() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.TAIWAN);

		CookieLocaleResolver resolver = new CookieLocaleResolver();
		resolver.setDefaultLocale(Locale.GERMAN);

		Locale locale = resolver.resolveLocale(request);
		assertEquals(Locale.GERMAN, locale);
	}

	public void testResolveLocaleWithCookieWithoutLocale() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.TAIWAN);
		Cookie cookie = new Cookie(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME, "");
		request.setCookies(new Cookie[]{cookie});

		CookieLocaleResolver resolver = new CookieLocaleResolver();

		Locale locale = resolver.resolveLocale(request);
		assertEquals(request.getLocale(), locale);
	}

	public void testSetLocaleToNullLocale() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.TAIWAN);
		Cookie cookie = new Cookie(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME, Locale.UK.toString());
		request.setCookies(new Cookie[]{cookie});
		MockHttpServletResponse response = new MockHttpServletResponse();

		CookieLocaleResolver resolver = new CookieLocaleResolver();
		resolver.setLocale(request, response, null);
		Locale locale = (Locale) request.getAttribute(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME);
		assertEquals(Locale.TAIWAN, locale);

		Cookie[] cookies = response.getCookies();
		assertEquals(1, cookies.length);
		Cookie localeCookie = cookies[0];
		assertEquals(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME, localeCookie.getName());
		assertEquals("", localeCookie.getValue());
	}

	public void testSetLocaleToNullLocaleWithDefault() throws Exception {
		MockHttpServletRequest request = new MockHttpServletRequest();
		request.addPreferredLocale(Locale.TAIWAN);
		Cookie cookie = new Cookie(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME, Locale.UK.toString());
		request.setCookies(new Cookie[]{cookie});
		MockHttpServletResponse response = new MockHttpServletResponse();

		CookieLocaleResolver resolver = new CookieLocaleResolver();
		resolver.setDefaultLocale(Locale.CANADA_FRENCH);
		resolver.setLocale(request, response, null);
		Locale locale = (Locale) request.getAttribute(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME);
		assertEquals(Locale.CANADA_FRENCH, locale);

		Cookie[] cookies = response.getCookies();
		assertEquals(1, cookies.length);
		Cookie localeCookie = cookies[0];
		assertEquals(CookieLocaleResolver.LOCALE_REQUEST_ATTRIBUTE_NAME, localeCookie.getName());
		assertEquals("", localeCookie.getValue());
 }

}