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Resources und JSF

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Ordner in „main“ führt zu RES_NOT_FOUND. Resources folder must be inside the webapp folder, not in the root main (siehe https://stackoverflow.com).

siehe auch: Resources (library) in JSF 2.0

JSF 2 internationalization example
Messages-Datei verwenden (i18n)
Read resource bundle properties in a managed bean

<f:view locale="#{facesContext.externalContext.requestLocale}">
<h:outputText value="#{msg['abcd']}" />

Using varName:

varName: is the String representing the in 

FacesContext context = FacesContext.getCurrentInstance();
Application app = context.getApplication();
ResourceBundle bundle = app.getResourceBundle(context, varName);
String msg = bundle.getString("key");

Using baseName:

baseName: The fully qualified name of the resource bundle ( in ).

FacesContext context = FacesContext.getCurrentInstance();
Locale locale = context .getViewRoot().getLocale();
ClassLoader loader = Thread.currentThread().getContextClassLoader();
ResourceBundle bundle = ResourceBundle.getBundle(baseName, locale, loader);
String msg = bundle.getString("key");
<h:outputFormat value="#{mytext.WelcomeMessage}" >          
  <f:param value="#{userSessionBean.first}" />
  <f:param value="#{userSessionBean.last}" />
</h:outputFormat>