Author: taylor
Date: Thu Mar 2 11:24:26 2006
New Revision: 382476
URL: http://svn.apache.org/viewcvs?rev=382476&view=rev
Log:
a simplified localization valve alternative
Added:
portals/jetspeed-2/trunk/components/portal/src/java/org/apache/jetspeed/localization/impl/SimplifiedLocalizationValveImpl.java
Added:
portals/jetspeed-2/trunk/components/portal/src/java/org/apache/jetspeed/localization/impl/SimplifiedLocalizationValveImpl.java
URL:
http://svn.apache.org/viewcvs/portals/jetspeed-2/trunk/components/portal/src/java/org/apache/jetspeed/localization/impl/SimplifiedLocalizationValveImpl.java?rev=382476&view=auto
==============================================================================
---
portals/jetspeed-2/trunk/components/portal/src/java/org/apache/jetspeed/localization/impl/SimplifiedLocalizationValveImpl.java
(added)
+++
portals/jetspeed-2/trunk/components/portal/src/java/org/apache/jetspeed/localization/impl/SimplifiedLocalizationValveImpl.java
Thu Mar 2 11:24:26 2006
@@ -0,0 +1,130 @@
+/*
+ * Copyright 2000-2004 The Apache Software Foundation.
+ *
+ * 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.apache.jetspeed.localization.impl;
+
+import java.util.Enumeration;
+import java.util.Locale;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.jetspeed.PortalReservedParameters;
+import org.apache.jetspeed.i18n.CurrentLocale;
+import org.apache.jetspeed.pipeline.PipelineException;
+import org.apache.jetspeed.pipeline.valve.AbstractValve;
+import org.apache.jetspeed.pipeline.valve.LocalizationValve;
+import org.apache.jetspeed.pipeline.valve.ValveContext;
+import org.apache.jetspeed.request.RequestContext;
+
+/**
+ * LocalizationValveImpl
+ *
+ * @author <a href="mailto:[EMAIL PROTECTED]">David Sean Taylor </a>
+ * @version $Id: LocalizationValveImpl.java 378091 2006-02-15 21:12:28Z taylor
$
+ */
+public class SimplifiedLocalizationValveImpl extends AbstractValve implements
LocalizationValve
+{
+ private static final Log log =
LogFactory.getLog(LocalizationValveImpl.class);
+ private Locale defaultLocale = null;
+
+ public SimplifiedLocalizationValveImpl() {}
+
+ public SimplifiedLocalizationValveImpl(String defaultLanguage)
+ {
+ String language = defaultLanguage != null ? defaultLanguage.trim() :
"";
+ if (language.length()>0)
+ {
+ // Code taken from LocaleSelectorPorltet
+ String country = "";
+ String variant = "";
+ int countryIndex = language.indexOf('_');
+ if (countryIndex > -1)
+ {
+ country = language.substring(countryIndex + 1).trim();
+ language = language.substring(0, countryIndex).trim();
+ int vDash = country.indexOf("_");
+ if (vDash > 0)
+ {
+ String cTemp = country.substring(0, vDash);
+ variant = country.substring(vDash + 1);
+ country = cTemp;
+ }
+ }
+
+ defaultLocale = new Locale(language, country, variant);
+ if ( defaultLocale.getLanguage().length() == 0 )
+ {
+ // not a valid language
+ defaultLocale = null;
+ log.warn("Invalid or unrecognized default language:
"+language);
+ }
+ else
+ {
+ log.info("Default language set: "+defaultLocale);
+ }
+
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
org.apache.jetspeed.pipeline.valve.Valve#invoke(org.apache.jetspeed.request.RequestContext,
+ * org.apache.jetspeed.pipeline.valve.ValveContext)
+ */
+ public void invoke( RequestContext request, ValveContext context ) throws
PipelineException
+ {
+ Locale locale =
(Locale)request.getRequest().getSession().getAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE);
+
+ if ( locale == null && defaultLocale != null )
+ {
+ locale = defaultLocale;
+ }
+
+ if (locale == null)
+ {
+ locale = request.getRequest().getLocale();
+ }
+
+ if (locale == null)
+ {
+ Enumeration preferedLocales = request.getRequest().getLocales();
+ while (preferedLocales.hasMoreElements() && locale == null)
+ {
+ locale = (Locale) preferedLocales.nextElement();
+ }
+ }
+
+ if (locale == null)
+ {
+ locale = Locale.getDefault();
+ }
+
+ request.setLocale(locale);
+
request.getRequest().setAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE,
locale);
+
request.getRequest().getSession().setAttribute(PortalReservedParameters.PREFERED_LOCALE_ATTRIBUTE,
locale);
+ CurrentLocale.set(locale);
+
+ // Pass control to the next Valve in the Pipeline
+ context.invokeNext(request);
+
+ }
+
+ public String toString()
+ {
+ return "LocalizationValve";
+ }
+
+}
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