Coverage report

  %line %branch
org.apache.jetspeed.localization.impl.LocalizationValveImpl
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 1   
 /*
 2   
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3   
  * contributor license agreements.  See the NOTICE file distributed with
 4   
  * this work for additional information regarding copyright ownership.
 5   
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6   
  * (the "License"); you may not use this file except in compliance with
 7   
  * the License.  You may obtain a copy of the License at
 8   
  *
 9   
  *      http://www.apache.org/licenses/LICENSE-2.0
 10   
  *
 11   
  * Unless required by applicable law or agreed to in writing, software
 12   
  * distributed under the License is distributed on an "AS IS" BASIS,
 13   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14   
  * See the License for the specific language governing permissions and
 15   
  * limitations under the License.
 16   
  */
 17   
 package org.apache.jetspeed.localization.impl;
 18   
 
 19   
 import java.security.Principal;
 20   
 import java.util.Enumeration;
 21   
 import java.util.Locale;
 22   
 import java.util.prefs.Preferences;
 23   
 
 24   
 import javax.security.auth.Subject;
 25   
 
 26   
 import org.apache.commons.logging.Log;
 27   
 import org.apache.commons.logging.LogFactory;
 28   
 import org.apache.jetspeed.Jetspeed;
 29   
 import org.apache.jetspeed.PortalReservedParameters;
 30   
 import org.apache.jetspeed.i18n.CurrentLocale;
 31   
 import org.apache.jetspeed.pipeline.PipelineException;
 32   
 import org.apache.jetspeed.pipeline.valve.AbstractValve;
 33   
 import org.apache.jetspeed.pipeline.valve.LocalizationValve;
 34   
 import org.apache.jetspeed.pipeline.valve.ValveContext;
 35   
 import org.apache.jetspeed.request.RequestContext;
 36   
 import org.apache.jetspeed.security.SecurityException;
 37   
 import org.apache.jetspeed.security.SecurityHelper;
 38   
 import org.apache.jetspeed.security.User;
 39   
 import org.apache.jetspeed.security.UserManager;
 40   
 import org.apache.jetspeed.security.UserPrincipal;
 41   
 import org.apache.jetspeed.util.JetspeedLocale;
 42   
 
 43   
 /**
 44   
  * LocalizationValveImpl
 45   
  *
 46   
  * @author <a href="mailto:taylor@apache.org">David Sean Taylor </a>
 47   
  * @version $Id: LocalizationValveImpl.java 516448 2007-03-09 16:25:47Z ate $
 48   
  */
 49   
 public class LocalizationValveImpl extends AbstractValve implements LocalizationValve
 50   
 {
 51  0 
     private static final Log log = LogFactory.getLog(LocalizationValveImpl.class);
 52  0 
     private Locale defaultLocale = null;
 53   
 
 54  0 
     public LocalizationValveImpl() {}
 55   
 
 56   
     public LocalizationValveImpl(String defaultLanguage)
 57  0 
     {
 58  0 
         String language = defaultLanguage != null ? defaultLanguage.trim() : "";
 59  0 
         if (language.length()>0)
 60   
         {
 61   
             // Code taken from LocaleSelectorPorltet
 62  0 
             String country = "";
 63  0 
             String variant = "";
 64  0 
             int countryIndex = language.indexOf('_');
 65  0 
             if (countryIndex > -1)
 66   
             {
 67  0 
                 country = language.substring(countryIndex + 1).trim();
 68  0 
                 language = language.substring(0, countryIndex).trim();
 69  0 
                 int vDash = country.indexOf("_");
 70  0 
                 if (vDash > 0)
 71   
                 {
 72  0 
                     String cTemp = country.substring(0, vDash);
 73  0 
                     variant = country.substring(vDash + 1);
 74  0 
                     country = cTemp;
 75   
                 }
 76   
             }
 77   
 
 78  0 
             defaultLocale = new Locale(language, country, variant);
 79  0 
             if ( defaultLocale.getLanguage().length() == 0 )
 80   
             {
 81   
                 // not a valid language
 82  0 
                 defaultLocale = null;
 83  0 
                 log.warn("Invalid or unrecognized default language: "+language);
 84   
             }
 85   
             else
 86   
             {
 87  0 
                 log.info("Default language set: "+defaultLocale);
 88   
             }
 89   
 
 90   
         }
 91  0 
     }
 92   
 
 93   
     /*
 94   
      * (non-Javadoc)
 95   
      *
 96   
      * @see org.apache.jetspeed.pipeline.valve.Valve#invoke(org.apache.jetspeed.request.RequestContext,
 97   
      *      org.apache.jetspeed.pipeline.valve.ValveContext)
 98   
      */
 99   
     public void invoke( RequestContext request, ValveContext context ) throws PipelineException
 100   
     {
 101  0 
         Locale locale = (Locale)request.getRequest().getSession().getAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE);
 102  0 
         if (null == locale)
 103   
         {
 104   
             // Get the prefered locale from user's preferences(persistent storage) if not anon user
 105  0 
             Subject subject = request.getSubject();
 106  0 
             if (null != subject)
 107   
             {
 108  0 
                 Principal userPrincipal = SecurityHelper.getPrincipal(subject, UserPrincipal.class);
 109  0 
                 if (null != userPrincipal)
 110   
                 {
 111  0 
                     log.debug("Got user principal: " + userPrincipal.getName());
 112  0 
                     UserManager userMgr = (UserManager) Jetspeed.getComponentManager().getComponent(UserManager.class);
 113   
                     try
 114   
                     {
 115  0 
                         if (!userMgr.getAnonymousUser().equals(userPrincipal.getName())
 116   
                                 && userMgr.userExists(userPrincipal.getName()))
 117   
                         {
 118  0 
                             User user = userMgr.getUser(userPrincipal.getName());
 119   
                             // TODO if preferred lang or locale is defined in PLT.D, it's better to use it
 120  0 
                             Preferences prefs = user.getPreferences();
 121  0 
                             String localeString = prefs.get(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE, null);
 122  0 
                             if (localeString != null)
 123   
                             {
 124  0 
                                 locale = JetspeedLocale.convertStringToLocale(localeString);
 125   
                             }
 126   
                         }
 127   
                     }
 128  0 
                     catch (SecurityException e)
 129   
                     {
 130  0 
                         log.warn("Unexpected SecurityException in UserInfoManager", e);
 131  0 
                     }
 132   
                 }
 133   
             }
 134   
         }
 135  0 
         if (locale == null)
 136   
         {
 137  0 
             locale = (Locale) request.getSessionAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE);
 138   
         }
 139   
 
 140  0 
         if ( locale == null && defaultLocale != class="keyword">null )
 141   
         {
 142  0 
             locale = defaultLocale;
 143   
         }
 144   
 
 145  0 
         if (locale == null)
 146   
         {
 147  0 
             locale = request.getRequest().getLocale();
 148   
         }
 149   
 
 150  0 
         if (locale == null)
 151   
         {
 152  0 
             Enumeration preferedLocales = request.getRequest().getLocales();
 153  0 
             while (preferedLocales.hasMoreElements() && locale == null)
 154   
             {
 155  0 
                 locale = (Locale) preferedLocales.nextElement();
 156   
             }
 157   
         }
 158   
 
 159  0 
         if (locale == null)
 160   
         {
 161  0 
             locale = Locale.getDefault();
 162   
         }
 163   
 
 164  0 
         request.setLocale(locale);
 165  0 
         request.getRequest().setAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE, locale);
 166  0 
         request.getRequest().getSession().setAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE, locale);
 167  0 
         CurrentLocale.set(locale);
 168   
 
 169   
         // Pass control to the next Valve in the Pipeline
 170  0 
         context.invokeNext(request);
 171   
 
 172  0 
     }
 173   
 
 174   
     public String toString()
 175   
     {
 176  0 
         return "LocalizationValve";
 177   
     }
 178   
 
 179   
 }

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