http://ocpsoft.com/support/topic/httpdomaincomusername-short

<pretty-config xmlns="http://ocpsoft.com/prettyfaces/3.3.2"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://ocpsoft.com/prettyfaces/3.3.2
                                        http://ocpsoft.com/xml/ns/prettyfaces/ocpsoft-pretty-faces-3.3.2.xsd">

   <!-- Begin Example RewriteRules

      // These are custom rewrite-rules, and are probably not necessary for your application.

      <rewrite match="^/old-url/(\w+)/$" substitute="/new_url/$1/" redirect="301" />

   -->

      <url-mapping id="home">
          <pattern value="/" />
          <view-id value="/faces/index.xhtml" />
      </url-mapping>

      <!-- User -->
      <url-mapping id="admin_users">
          <pattern value="/admin/users/" />
          <view-id value="/faces/admin/users/index.xhtml" />
      </url-mapping>
      <url-mapping id="admin_users_show">
          <pattern value="/admin/users/#{ id : userShowAdmin.userId }" />
          <view-id value="/faces/admin/users/show.xhtml" />
      </url-mapping>
      <url-mapping id="user_show_slug">
          <pattern value="/people/#{ /[a-zA-Z].*/ slug:userShow.slug}" />
          <view-id value="/faces/users/show.xhtml" />
      </url-mapping>
      <url-mapping id="user_show">
          <pattern value="/people/#{id:userShow.userId}" />
          <view-id value="/faces/users/show.xhtml" />
      </url-mapping>
      <url-mapping id="user_likes">
          <pattern value="/people/#{id:userLikes.userId}/likes" />
          <view-id value="/faces/users/likes.xhtml" />
      </url-mapping>
      <url-mapping id="user_likes_mutual">
          <pattern value="/people/#{id:userView.userId}/likes/mutual" />
          <view-id value="/faces/users/likes_mutual.xhtml" />
      </url-mapping>

        <!-- Friends -->
        <url-mapping id="friends_suggestions">
            <pattern value="/friends/suggestions/" />
            <view-id value="/faces/friends/suggestions.xhtml" />
        </url-mapping>

      <!-- Interest -->
      <url-mapping id="admin_interests">
          <pattern value="/admin/interests/" />
          <view-id value="/faces/admin/interests/index.xhtml" />
      </url-mapping>
      <url-mapping id="interest_show">
          <pattern value="/interests/#{ id : interestShow.interestId }" />
          <view-id value="/faces/interests/show.xhtml" />
      </url-mapping>

    <!-- Activity -->
    <url-mapping id="admin_activities">
        <pattern value="/admin/activities/" />
        <view-id value="/faces/admin/activities/index.xhtml" />
    </url-mapping>
    <url-mapping id="admin_activities_show">
        <pattern value="/admin/activities/#{ id : activityShowAdmin.activityId }" />
        <view-id value="/faces/admin/activities/show.xhtml" />
    </url-mapping>
    <url-mapping id="activity_show">
        <pattern value="/activities/#{ id : activityShow.activityId }" />
        <view-id value="/faces/activities/show.xhtml" />
    </url-mapping>

    <!-- Slug -->
    <url-mapping id="slug">
        <pattern value="/#{ slug : slugBean.slug }">
            <validate index="0" validator="#{slugBean.validateSlug}"/>
        </pattern>
        <view-id value="#{slugBean.getViewPath}" />
    </url-mapping>

   <!-- Begin UrlMappings
      // These are examples of URL mappings, and should be customized for your application.

      <url-mapping id="home">
          <pattern value="/" />
          <view-id value="/faces/index.jsf" />
      </url-mapping>

      <url-mapping id="store">
          <pattern value="/store/" />
          <view-id value="/faces/shop/store.jsf" />
      </url-mapping>

      <url-mapping id="viewCategory">
          <pattern value="/store/#{ cat : bean.category }/" />
          <view-id value="/faces/shop/store.jsf" />
      </url-mapping>

      <url-mapping id="viewItem">
          <pattern value="/store/#{ cat : bean.category }/#{ iid : bean.itemId }/" />
          <view-id value="/faces/shop/item.jsf" />
          <action>#{bean.loadItem}</action>
      </url-mapping>

   -->

</pretty-config>