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From rica...@locus.apache.org
Subject cvs commit: xml-cocoon/src/org/apache/cocoon Utils.java
Date Sat, 15 Jan 2000 11:19:17 GMT
ricardo     00/01/15 03:19:17

  Modified:    src/org/apache/cocoon Utils.java
  Log:
  Added (static) method getBasename (from ProducerFromFile)
  
  Revision  Changes    Path
  1.4       +40 -3     xml-cocoon/src/org/apache/cocoon/Utils.java
  
  Index: Utils.java
  ===================================================================
  RCS file: /home/cvs/xml-cocoon/src/org/apache/cocoon/Utils.java,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- Utils.java	1999/11/09 02:29:19	1.3
  +++ Utils.java	2000/01/15 11:19:17	1.4
  @@ -1,4 +1,4 @@
  -/*-- $Id: Utils.java,v 1.3 1999/11/09 02:29:19 dirkx Exp $ -- 
  +/*-- $Id: Utils.java,v 1.4 2000/01/15 11:19:17 ricardo Exp $ -- 
   
    ============================================================================
                      The Apache Software License, Version 1.1
  @@ -54,13 +54,14 @@
   import java.net.*;
   import java.util.*;
   import org.w3c.dom.*;
  +import javax.servlet.*;
   import javax.servlet.http.*;
   
   /**
    * Utility methods for Cocoon and its classes.
    *
    * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a>
  - * @version $Revision: 1.3 $ $Date: 1999/11/09 02:29:19 $
  + * @version $Revision: 1.4 $ $Date: 2000/01/15 11:19:17 $
    */
   
   public final class Utils {
  @@ -209,4 +210,40 @@
           }
           return url.toString();
       }
  -}
  \ No newline at end of file
  +
  +    /**
  +     * XXX: This is a dirty hack. The worst piece of code I ever wrote
  +     * and it clearly shows how Cocoon must change to support the Servlet API
  +     * 2.2 which has _much_ better mapping support thru the use of "getResource()"
  +     * but then, all the file system abstraction should be URL based.
  +     *
  +     * So, for now, leave the dirty code even if totally deprecated and work
  +     * out a better solution in the future.
  +     */
  +    public static String getBasename(HttpServletRequest request, Object context) {
  +        try {
  +            // detect if the engine supports at least Servlet API 2.2
  +            request.getContextPath();
  +            URL resource = ((ServletContext) context).getResource(request.getServletPath());
  +            if (resource.getProtocol().equals("file")) {
  +                return resource.getFile();
  +            } else {
  +                throw new RuntimeException("Cannot handle remote resources.");
  +            }
  +        } catch (NoSuchMethodError e) {
  +            // if there is no such method we must be in Servlet API 2.1
  +            if (request.getPathInfo() != null) {
  +                // this must be Apache JServ
  +                return request.getPathTranslated().replace('\\','/');
  +            } else {
  +                // otherwise use the deprecated method on all other servlet engines.
  +                return request.getRealPath(request.getRequestURI());
  +            }
  +        } catch (MalformedURLException e) {
  +            throw new RuntimeException("Malformed request URL.");
  +        } catch (NullPointerException e) {
  +            // if there is no context set, we must be called from the command line
  +            return request.getPathTranslated().replace('\\','/');
  +        }
  +    }
  +}
  
  
  

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