Examples of org.apache.turbine.util.TurbineException

org.apache.turbine.util.TurbineException

The base class of all exceptions thrown by Turbine. It is intended to ease the debugging by carrying on the information about the exception which was caught and provoked throwing the current exception. Catching and rethrowing may occur multiple times, and provided that all exceptions except the first one are descendands of TurbineException, when the exception is finally printed out using any of the printStackTrace() methods, the stacktrace will contain the information about all exceptions thrown and caught on the way.

Running the following program

 1 import org.apache.turbine.util.TurbineException; 2 3 public class Test { 4     public static void main( String[] args ) { 5         try { 6             a(); 7         } catch(Exception e) { 8             e.printStackTrace(); 9         } 10      } 11 12      public static void a() throws TurbineException { 13          try { 14              b(); 15          } catch(Exception e) { 16              throw new TurbineException("foo", e); 17          } 18      } 19 20      public static void b() throws TurbineException { 21          try { 22              c(); 23          } catch(Exception e) { 24              throw new TurbineException("bar", e); 25          } 26      } 27 28      public static void c() throws TurbineException { 29          throw new Exception("baz"); 30      } 31 }

Yields the following stacktrace:

 java.lang.Exception: baz: bar: foo at Test.c(Test.java:29) at Test.b(Test.java:22) rethrown as TurbineException: bar at Test.b(Test.java:24) at Test.a(Test.java:14) rethrown as TurbineException: foo at Test.a(Test.java:16) at Test.main(Test.java:6)

@author Rafal Krzewski @author Daniel Rall @author Quinton McCombs @version $Id: TurbineException.java 278822 2005-09-05 19:53:05Z henning $

        {
            return clazz.newInstance();
        }
        catch (Exception x)
        {
            throw new TurbineException(
                    "Instantiation failed for " + clazz.getName(), x);
        }
    }

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            Class[] sign = getSignature(clazz, params, signature);
            return clazz.getConstructor(sign).newInstance(params);
        }
        catch (Exception x)
        {
            throw new TurbineException(
                    "Instantiation failed for " + clazz.getName(), x);
        }
    }

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                {
                    throw x;
                }
                catch (ClassCastException x)
                {
                    throw new TurbineException(
                            "Incorrect factory " + (String) factory +
                            " for class " + className, x);
                }
                factories = (HashMap) factories.clone();
                factories.put(className, factory);

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                            ((Recyclable) instance).recycle();
                        }
                    }
                    catch (Exception x)
                    {
                        throw new TurbineException(
                                "Recycling failed for " + instance.getClass().getName(), x);
                    }
                }
            }
            return instance;

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        /** template name with relative path */
        String relativeTemplateName = getRelativeTemplateName(templateName);


        if (StringUtils.isEmpty(relativeTemplateName))
        {
            throw new TurbineException(
                "Template " + templateName + " not found in template paths");
        }


        // get the RequestDispatcher for the JSP
        RequestDispatcher dispatcher = data.getServletContext()
            .getRequestDispatcher(relativeTemplateName);


        try
        {
            if (isForward)
            {
                // forward the request to the JSP
                dispatcher.forward(data.getRequest(), data.getResponse());
            }
            else
            {
                data.getOut().flush();
                // include the JSP
                dispatcher.include(data.getRequest(), data.getResponse());
            }
        }
        catch (Exception e)
        {
            // as JSP service is in Alpha stage, let's try hard to send the
            // error message to the browser, to speed up debugging
            try
            {
                data.getOut().print("Error encountered processing a template: "
                    + templateName);
                e.printStackTrace(data.getOut());
            }
            catch (IOException ignored)
            {
            }


            // pass the exception to the caller according to the general
            // contract for tamplating services in Turbine
            throw new TurbineException(
                "Error encountered processing a template: " + templateName, e);
        }
    }

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        // Get the specified configuration.
        String[] cfg = (String[]) configurations.get(key);
        if (cfg == null)
        {
            throw new TurbineException("RunTime configuration '" + key + "' is undefined");
        }


        TurbineRunData data;
        try
        {
            data = (TurbineRunData) pool.getInstance(cfg[0]);
            
            ParameterParser pp = (ParameterParser) pool.getInstance(cfg[1]);
            data.setParameterParser(pp);
            
            CookieParser cp = (CookieParser) pool.getInstance(cfg[2]);
            data.setCookieParser(cp);


            Locale locale = req.getLocale();
            
            if (locale == null)
            {
                // get the default from the Turbine configuration
                locale = data.getLocale();
            }
            
            // set the locale detected and propagate it to the parsers
            data.setLocale(locale);
        }
        catch (ClassCastException x)
        {
            throw new TurbineException("RunData configuration '" + key + "' is illegal", x);
        }


        // Set the request and response.
        data.setRequest(req);
        data.setResponse(res);

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            throw t;
        }


        catch (Throwable t)
        {
            throw new TurbineException
                    ("Failed to instantiate " + handlerClass, t);
        }
    }

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            XmlRpcClient client = new XmlRpcClient(url);
            return client.execute(methodName, params);
        }
        catch (Exception e)
        {
            throw new TurbineException("XML-RPC call failed", e);
        }
    }

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            client.setBasicAuthentication(username, password);
            return client.execute(methodName, params);
        }
        catch (Exception e)
        {
            throw new TurbineException("XML-RPC call failed", e);
        }
    }

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    public void doBuild(RunData data)
        throws Exception
    {
        if (!data.isOutSet())
        {
            throw new TurbineException(
                "data.declareDirectResponse() has not been called");
        }
    }

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