Examples of org.jasig.portal.ResourceMissingException

org.jasig.portal.ResourceMissingException
This exception would inform uPortal that a particular resource required to complete channel operation is missing. @author Peter Kharchenko @version $Revision: 19776 $ $Date: 2010-01-14 16:17:21 -0600 (Thu, 14 Jan 2010) $

                URL url = ResourceLoader.getResourceAsURL(DocumentFactory.class, stylesheetURI);
                xsl = DocumentFactory.getDocumentFromStream(
                                   new BufferedInputStream(url.openStream(),2048), url.toExternalForm());
            }
            catch(IOException e) {
                throw new ResourceMissingException(stylesheetURI, "Stylesheet", "Unable to read stylesheet from the specified location. Please check the stylesheet URL");
            }
            addLocalization(xsl, l18n);
            Source src = new DOMSource(xsl);
            TransformerFactory tFactory = TransformerFactory.newInstance();
            temp = tFactory.newTemplates(src);

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          stylesheetRootCache.put(stylesheetURI, temp);
          if (log.isInfoEnabled())
              log.info( "Caching templates for: " + stylesheetURI);
        }
      } catch (IOException ioe) {
        throw new ResourceMissingException(stylesheetURI, "Stylesheet", "Unable to read stylesheet from the specified location. Please check the stylesheet URL", ioe);
      } catch (TransformerConfigurationException tce) {
        log.error( "XSLT::getTemplates() : unable to obtain TemplatesHandler due to TRAX misconfiguration!", tce);
        throw new GeneralRenderingException("XSLT: current TRAX configuration does not allow for TemplateHandlers. Please reconfigure/reinstall your TRAX implementation.", tce);
      } catch (SAXParseException px) {
        throw new GeneralRenderingException("XSLT:getTemplates(): SAXParseExeption: " +

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        String resourceRelativeToClasspath = null;
        if (resource.startsWith("/"))
          resourceRelativeToClasspath = resource;
        else
          resourceRelativeToClasspath = '/' + requestingClass.getPackage().getName().replace('.', '/') + '/' + resource;
        throw new ResourceMissingException(resource, resourceRelativeToClasspath, "Resource not found in classpath: " + resourceRelativeToClasspath);
      }
    }
    return resourceURL;
  }

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          int status = httpUrlConnect.getResponseCode();
          String location = httpUrlConnect.getHeaderField("Location");
          switch (status)
          {
            case HttpURLConnection.HTTP_NOT_FOUND:
              throw new ResourceMissingException
                (httpUrlConnect.getURL().toExternalForm(),
                  "", "HTTP Status-Code 404: Not Found");
            case HttpURLConnection.HTTP_FORBIDDEN:
              throw new ResourceMissingException
                (httpUrlConnect.getURL().toExternalForm(),
                  "", "HTTP Status-Code 403: Forbidden");
            case HttpURLConnection.HTTP_INTERNAL_ERROR:
              throw new ResourceMissingException
                (httpUrlConnect.getURL().toExternalForm(),
                  "", "HTTP Status-Code 500: Internal Server Error");
            case HttpURLConnection.HTTP_NO_CONTENT:
              throw new ResourceMissingException
                (httpUrlConnect.getURL().toExternalForm(),
                  "", "HTTP Status-Code 204: No Content");
            /*
             * Note: these cases apply to http status codes 302 and 303
             * this will handle automatic redirection to a new GET URL
             */
            case HttpURLConnection.HTTP_MOVED_TEMP:
              httpUrlConnect.disconnect();
              httpUrlConnect = (HttpURLConnection) getConnection(location,state);
              break;
            case HttpURLConnection.HTTP_SEE_OTHER:
              httpUrlConnect.disconnect();
              httpUrlConnect = (HttpURLConnection) getConnection(location,state);
              break;
            /*
             * Note: this cases apply to http status code 301
             * it will handle the automatic redirection of GET requests.
             * The spec calls for a POST redirect to be verified manually by the user
             * Rather than bypass this security restriction, we will throw an exception
             */
            case HttpURLConnection.HTTP_MOVED_PERM:
              if (state.runtimeData.getHttpRequestMethod().equals("GET")){
                httpUrlConnect.disconnect();
                httpUrlConnect = (HttpURLConnection) getConnection(location,state);
              }
              else {
                throw new ResourceMissingException
                  (httpUrlConnect.getURL().toExternalForm(),
                    "", "HTTP Status-Code 301: POST Redirection currently not supported");
              }
              break;
            default:

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        return resourceURL;
    }
    
    //Look for a failed lookup
    final Map<Tuple<Class<?>, String>, ResourceMissingException> resourceUrlNotFoundCache = ResourceLoader.resourceUrlNotFoundCache;
    ResourceMissingException exception = resourceUrlNotFoundCache != null ? resourceUrlNotFoundCache.get(cacheKey) : null;
    if (exception != null) {
        throw new ResourceMissingException(exception);
    }
    
    try {
      resourceURL = new URL(resource);
    } catch (MalformedURLException murle) {
      // URL is invalid, now try to load from classpath
      resourceURL = requestingClass.getResource(resource);


      if (resourceURL == null) {
        String resourceRelativeToClasspath = null;
        if (resource.startsWith("/"))
          resourceRelativeToClasspath = resource;
        else
          resourceRelativeToClasspath = '/' + requestingClass.getPackage().getName().replace('.', '/') + '/' + resource;
          exception = new ResourceMissingException(resource, resourceRelativeToClasspath, "Resource not found in classpath: " + resourceRelativeToClasspath);
          if (resourceUrlNotFoundCache != null) {
              resourceUrlNotFoundCache.put(cacheKey, exception);
          }
          throw new ResourceMissingException(exception);
      }
    }
    
    if (resourceUrlCache != null) {
        resourceUrlCache.put(cacheKey, resourceURL);

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