org.apache.cocoon.components.treeprocessor.sitemap
Class ErrorHandlerHelper

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.components.treeprocessor.sitemap.ErrorHandlerHelper

All Implemented Interfaces:

Composable, LogEnabled

public class ErrorHandlerHelper
extends AbstractLogEnabled
implements Composable

Helps to call error handlers from PipelineNode and PipelinesNode.

Version:

$Id: ErrorHandlerHelper.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Jürgen Seitz, Björn Lütkemeier

Field Summary

protected Logger

handledErrorsLogger Logger for handled errors

Constructor Summary

ErrorHandlerHelper()

Method Summary

void	compose(ComponentManager manager) The component manager is used to create notifying builders.
void	enableLogging(Logger logger)
boolean	invokeErrorHandler(Exception ex, Environment env, InvokeContext context) Handle error.
boolean	invokeErrorHandler(ProcessingNode node, Exception ex, Environment env, InvokeContext context) Handle error using specified error handler processing node.
boolean	isEmpty()
boolean	isExternal()
boolean	isInternal()
ProcessingPipeline	prepareErrorHandler(Exception ex, Environment env, InvokeContext context) Prepare error handler for the internal pipeline error handling.

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

handledErrorsLogger

protected Logger handledErrorsLogger

Logger for handled errors

Constructor Detail

ErrorHandlerHelper

public ErrorHandlerHelper()

Method Detail

enableLogging

public void enableLogging(Logger logger)

Specified by:

enableLogging in interface LogEnabled

Overrides:

enableLogging in class AbstractLogEnabled

compose

public void compose(ComponentManager manager)

The component manager is used to create notifying builders.

Specified by:

compose in interface Composable

isEmpty

public boolean isEmpty()

Returns:

true if has no error handler nodes set

isInternal

public boolean isInternal()

isExternal

public boolean isExternal()

invokeErrorHandler

public boolean invokeErrorHandler(Exception ex,
                                  Environment env,
                                  InvokeContext context)
                           throws Exception

Handle error.

Throws:

Exception

prepareErrorHandler

public ProcessingPipeline prepareErrorHandler(Exception ex,
                                              Environment env,
                                              InvokeContext context)
                                       throws Exception

Prepare error handler for the internal pipeline error handling.

If building pipeline only, error handling pipeline will be built and returned. If building and executing pipeline, error handling pipeline will be built and executed.

Throws:

Exception

invokeErrorHandler

public boolean invokeErrorHandler(ProcessingNode node,
                                  Exception ex,
                                  Environment env,
                                  InvokeContext context)
                           throws Exception

Handle error using specified error handler processing node.

Throws:

Exception