Java/Servlets/I18N

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Another Servlet Localization: Currency

   <source lang="java">

import java.text.NumberFormat; import java.util.Locale; import java.util.ResourceBundle; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class CurrLocaleServlet extends HttpServlet { 

 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, java.io.IOException {
   //Get the client"s Locale
   Locale locale = request.getLocale();
   ResourceBundle bundle = ResourceBundle.getBundle("i18n.WelcomeBundle",
       locale);
   String welcome = bundle.getString("Welcome");
   NumberFormat nft = NumberFormat.getCurrencyInstance(locale);
   String formatted = nft.format(1000000);
   //Display the locale
   response.setContentType("text/html");
   java.io.PrintWriter out = response.getWriter();
   out.println("<html><head><title>" + welcome + "</title></head><body>");
out.println("

" + bundle.getString("Hello") + " " + bundle.getString("and") + " " + welcome + "

"); 
   out.println("Locale: ");
   out.println(locale.getLanguage() + "_" + locale.getCountry());
   out.println("

");
   out.println(formatted);
   out.println("</body></html>");
   out.close();
 } //end doGet

} 


      </source>



Hello world in Japanese

   <source lang="java">

import java.io.IOException; import java.io.PrintWriter; import java.text.DateFormat; import java.util.Date; import java.util.Locale; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class HelloJapan extends HttpServlet { 

 public void doGet(HttpServletRequest req, HttpServletResponse res)
                              throws ServletException, IOException {
   res.setContentType("text/plain; charset=Shift_JIS");
   PrintWriter out = res.getWriter();
   res.setHeader("Content-Language", "ja");
   Locale locale = new Locale("ja", "");
   DateFormat full = DateFormat.getDateTimeInstance(DateFormat.LONG,
                                                    DateFormat.LONG,
                                                    locale);
   out.println("In Japanese:");
   out.println("\u4eca\u65e5\u306f\u4e16\u754c");  // Hello World
   out.println(full.format(new Date()));
 }

} 

      </source>



Internationalization I18n

   <source lang="java">

import java.util.Locale; import java.util.ResourceBundle; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class WelcomeServlet extends HttpServlet { 

 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, java.io.IOException {
   //Get the client"s Locale
   Locale locale = request.getLocale();
   ResourceBundle bundle = ResourceBundle.getBundle("i18n.WelcomeBundle",
       locale);
   String welcome = bundle.getString("Welcome");
   //Display the locale
   response.setContentType("text/html");
   java.io.PrintWriter out = response.getWriter();
   out.println("<html><head><title>" + welcome + "</title></head><body>");
out.println("

" + welcome + "

"); 
   out.println("Locale: ");
   out.println(locale.getLanguage() + "_" + locale.getCountry());
   out.println("</body></html>");
   out.close();
 } //end doGet
 // doPost method ...

}//WelcomeServlet 


      </source>



Servlet Localization

   <source lang="java">

import java.text.NumberFormat; import java.util.Locale; import java.util.ResourceBundle; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class PerLocaleServlet extends HttpServlet { 

 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, java.io.IOException {
   //Get the client"s Locale
   Locale locale = request.getLocale();
   ResourceBundle bundle = ResourceBundle.getBundle("i18n.WelcomeBundle",
       locale);
   String welcome = bundle.getString("Welcome");
   NumberFormat nft = NumberFormat.getPercentInstance(locale);
   String formatted = nft.format(0.51);
   //Display the locale
   response.setContentType("text/html");
   java.io.PrintWriter out = response.getWriter();
   out.println("<html><head><title>" + welcome + "</title></head><body>");
out.println("

" + bundle.getString("Hello") + " " + bundle.getString("and") + " " + welcome + "

"); 
   out.println("Locale: ");
   out.println(locale.getLanguage() + "_" + locale.getCountry());
   out.println("

");
   out.println("NumberFormat.getPercentInstance(): " + formatted);
   out.println("</body></html>");
 } //end doGet

} 

      </source>



Servlet Localization: Date

   <source lang="java">

import java.text.DateFormat; import java.util.Date; import java.util.Locale; import java.util.ResourceBundle; import java.util.ListResourceBundle; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class DateLocaleServlet extends HttpServlet { 

 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, java.io.IOException {
   //Get the client"s Locale
   Locale locale = request.getLocale();
   ResourceBundle bundle = ResourceBundle.getBundle("i18n.WelcomeBundle",
       locale);
   String welcome = bundle.getString("Welcome");
   String date = DateFormat.getDateTimeInstance(DateFormat.FULL,
       DateFormat.SHORT, locale).format(new Date());
   //Display the locale
   response.setContentType("text/html");
   java.io.PrintWriter out = response.getWriter();
   out.println("<html><head><title>" + welcome + "</title></head><body>");
out.println("

" + bundle.getString("Hello") + " " + bundle.getString("and") + " " + welcome + "

"); 
   out.println(date + "

");
   java.util.Enumeration e = bundle.getKeys();
   while (e.hasMoreElements()) {
     out.println((String) e.nextElement());
     out.println("

");
   }
   out.println("Locale: ");
   out.println(locale.getLanguage() + "_" + locale.getCountry());
   out.println("</body></html>");
 } //end doGet

} // file: WelcomeBundle_es_ES.java // import java.util.ListResourceBundle; class WelcomeBundle_es_ES extends ListResourceBundle { 

 static final Object[][] contents = {
 { "Welcome", "Huan Ying" } };
 public Object[][] getContents() {
   return contents;
 }

} 

      </source>



Servlet localization display

   <source lang="java">

import java.util.Enumeration; import java.util.Locale; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class LocaleDisplay extends HttpServlet { 

 public void doGet(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, java.io.IOException {
   //Get the client"s Locales
   Enumeration e = request.getLocales();
   //Get the preferred Locale
   Locale preferred = request.getLocale();
   String prefDisplay = "";
   if (preferred != null)
     prefDisplay = preferred.getDisplayName();
   //Display the preferred and any other locales
   response.setContentType("text/html");
   java.io.PrintWriter out = response.getWriter();
   out.println("<html><head><title>Locale Display</title></head><body>");
out.println("

Here is your Locale info...

"); 
   out.println("Preferred Locale: ");
   out.println(prefDisplay);
   out.println("
");
   out.println("Locale country: ");
   if (preferred != null)
     out.println(preferred.getDisplayCountry());
   out.println("
");
   out.println("Locale language: ");
   if (preferred != null)
     out.println(preferred.getDisplayLanguage());
   out.println("

");
out.println("

Lower priority Locales...

"); 
   Locale loc = null;
   while (e.hasMoreElements()) {
     loc = (Locale) e.nextElement();
     if (!(loc.getDisplayName().equals(prefDisplay))) {
       out.println("Locale: ");
       out.println(loc.getDisplayName());
       out.println("
");
       out.println("Locale country: ");
       out.println(loc.getDisplayCountry());
       out.println("
");
       out.println("Locale language: ");
       out.println(loc.getDisplayLanguage());
       out.println("

");
     }//if
   }//while
   out.println("</body></html>");
 } //end doGet

} 

      </source>



Set I18N Response Header

   <source lang="java">

import java.io.IOException; import java.io.PrintWriter; import java.text.DateFormat; import java.util.Date; import java.util.Locale; import java.util.TimeZone; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class HelloSpain extends HttpServlet { 

 public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,
     IOException {
   res.setContentType("text/plain");
   PrintWriter out = res.getWriter();
   res.setHeader("Content-Language", "es");
   Locale locale = new Locale("es", "");
   DateFormat fmt = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale);
   fmt.setTimeZone(TimeZone.getDefault());
   out.println("En Espa\u00f1ol:");
   out.println("\u00a1Hola Mundo!");
   out.println(fmt.format(new Date()));
 }

} 

      </source>
Источник — «http://jexp.ru/index.php?title=Java/Servlets/I18N&oldid=6315»