9.12. The Complete Filter Deployment Descriptor

The previous sections showed various excerpts of the web.xml file for filtersRus.com. This section shows the file in its entirety.

Listing 9.23. web.xml (Complete version for filter examples)
<?xml version="1.0" encoding="ISO-8859-1"?> 
<!DOCTYPE web-app PUBLIC 
    "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" 
    "http://java.sun.com/dtd/web-app_2_3.dtd"> 

<web-app> 
  <!-- Order matters in web.xml! For the elements 
       used in this example, this order is required: 
          filter 
          filter-mapping 
          servlet 
          servlet-mapping 
          welcome-file-list 
  --> 

  <!-- Register the name "Reporter" for ReportFilter. --> 
  <filter> 
    <filter-name>Reporter</filter-name> 
    <filter-class> 
      moreservlets.filters.ReportFilter 
    </filter-class> 
  </filter> 

  <!-- Register the name "Logger" for LogFilter. --> 
  <filter> 
    <filter-name>Logger</filter-name> 
    <filter-class> 
      moreservlets.filters.LogFilter 
    </filter-class> 
  </filter> 

  <!-- Register the name "LateAccessFilter" for 
       moreservlets.filter.LateAccessFilter. 
       Supply two initialization parameters: 
       startTime and endTime. 
  --> 
  <filter> 
    <filter-name>LateAccessFilter</filter-name> 
    <filter-class> 
      moreservlets.filters.LateAccessFilter 
    </filter-class> 
    <init-param> 
      <param-name>startTime</param-name> 
      <param-value>2</param-value> 
    </init-param> 
    <init-param> 
      <param-name>endTime</param-name> 
      <param-value>10</param-value> 
    </init-param> 
  </filter> 

  <!-- Register the name "BannedAccessFilter" for 
       moreservlets.filter.BannedAccessFilter. 
       Supply an initialization parameter: 
       bannedSites. 
  --> 
  <filter> 
    <filter-name>BannedAccessFilter</filter-name> 
    <filter-class> 
      moreservlets.filters.BannedAccessFilter 
    </filter-class> 
    <init-param> 
      <param-name>bannedSites</param-name> 
      <param-value> 
        www.competingsite.com 
        www.bettersite.com 
        www.moreservlets.com 
      </param-value> 
    </init-param> 
  </filter> 

  <!-- Register the name "ReplaceSiteNameFilter" for 
       moreservlets.filters.ReplaceSiteNameFilter. 
  --> 
  <filter> 
    <filter-name>ReplaceSiteNameFilter</filter-name> 
    <filter-class> 
      moreservlets.filters.ReplaceSiteNameFilter 
    </filter-class> 
  </filter> 

  <!-- Register the name "CompressionFilter" for 
       moreservlets.filters.CompressionFilter. 
  --> 
  <filter> 
    <filter-name>CompressionFilter</filter-name> 
    <filter-class> 
      moreservlets.filters.CompressionFilter 
    </filter-class> 
  </filter> 
  <!-- Apply the Reporter filter to the servlet named 
      "TodaysSpecial". 
  --> 
  <filter-mapping> 
    <filter-name>Reporter</filter-name> 
    <servlet-name>TodaysSpecial</servlet-name> 
  </filter-mapping> 

  <!-- Also apply the Reporter filter to home page. --> 
  <filter-mapping> 
    <filter-name>Reporter</filter-name> 
    <url-pattern>/index.jsp</url-pattern> 
  </filter-mapping> 

  <!-- Apply the Logger filter to all servlets and 
       JSP pages. 
  --> 
  <filter-mapping> 
    <filter-name>Logger</filter-name> 
    <url-pattern>/*</url-pattern> 
  </filter-mapping> 

  <!-- Apply LateAccessFilter to the home page. --> 
  <filter-mapping> 
    <filter-name>LateAccessFilter</filter-name> 
    <url-pattern>/index.jsp</url-pattern> 
  </filter-mapping> 

  <!-- Apply BannedAccessFilter to the servlet named 
      "TodaysSpecial". 
  --> 
  <filter-mapping> 
    <filter-name>BannedAccessFilter</filter-name> 
    <servlet-name>TodaysSpecial</servlet-name> 
  </filter-mapping> 

  <!-- Apply ReplaceSiteNameFilter to page2.jsp page 
       in the plugSite directory 
  --> 
  <filter-mapping> 
    <filter-name>ReplaceSiteNameFilter</filter-name> 
    <url-pattern>/plugSite/page2.jsp</url-pattern> 
  </filter-mapping> 
  <!-- Apply CompressionFilter to the servlet named 
      "LongServlet". 
  --> 
  <filter-mapping> 
    <filter-name>CompressionFilter</filter-name> 
    <servlet-name>LongServlet</servlet-name> 
  </filter-mapping> 

  <!-- Give a name to the Today's Special servlet so that filters 
       can be applied to it. 
  --> 
  <servlet> 
    <servlet-name>TodaysSpecial</servlet-name> 
    <servlet-class> 
      moreservlets.TodaysSpecialServlet 
    </servlet-class> 
  </servlet> 

  <!-- Give a name to the servlet that redirects users 
       to the home page. 
  --> 
  <servlet> 
    <servlet-name>Redirector</servlet-name> 
    <servlet-class>moreservlets.RedirectorServlet</servlet-class> 
  </servlet> 

  <!-- Give a name to the servlet that generates long 
       (but very exciting!) output. 
  --> 
  <servlet> 
    <servlet-name>LongServlet</servlet-name> 
    <servlet-class>moreservlets.LongServlet</servlet-class> 
  </servlet> 

  <!-- Make /TodaysSpecial invoke the servlet 
       named TodaysSpecial (i.e., moreservlets.TodaysSpecial). 
  --> 
  <servlet-mapping> 
    <servlet-name>TodaysSpecial</servlet-name> 
    <url-pattern>/TodaysSpecial</url-pattern> 
  </servlet-mapping> 
  <!-- Make /LongServlet invoke the servlet 
       named LongServlet (i.e., moreservlets.LongServlet). 
  --> 
  <servlet-mapping> 
    <servlet-name>LongServlet</servlet-name> 
    <url-pattern>/LongServlet</url-pattern> 
  </servlet-mapping> 

  <!-- Turn off invoker. Send requests to index.jsp. --> 
  <servlet-mapping> 
    <servlet-name>Redirector</servlet-name> 
    <url-pattern>/servlet/*</url-pattern> 
  </servlet-mapping> 

  <!-- If URL gives a directory but no filename, try index.jsp 
       first and index.html second. If neither is found, 
       the result is server specific (e.g., a directory 
       listing).  Order of elements in web.xml matters. 
       welcome-file-list needs to come after servlet but 
       before error-page. 
  --> 
  <welcome-file-list> 
    <welcome-file>index.jsp</welcome-file> 
    <welcome-file>index.html</welcome-file> 
  </welcome-file-list> 
</web-app> 

..................Content has been hidden....................

You can't read the all page of ebook, please click here login for view all page.
Reset
3.145.101.81