com.jcorporate.expresso.kernel.exception
Class ChainedException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          com.jcorporate.expresso.kernel.exception.ChainedException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AuthValidationException, CacheException, ConfigurationException, ControllerException, DBException, ExpressoRuntimeException, HtmlException, LogException, NonHandleableException, ReportException, ServerException, ValidationException

public class ChainedException

extends Exception

Enhanced Exception class to allow Exception chaining. This helps indicate the origin of an exception more clearly than simply passing on the original message Creation date: (4/15/00 5:47:38 PM)

Author:

Michael Nash

See Also:

Serialized Form

Constructor Summary

ChainedException()
Normal no-args constructor

ChainedException(String s)
Normal constructor with a single message

ChainedException(String s, int newErrorNumber)
Specify an error number

ChainedException(String message, Throwable newNested)
Constructor with a single message and a nested exception

ChainedException(String message, Throwable newNested, int newErrorNumber)
Constructor with a single message and a nested exception with error number

ChainedException(Throwable newNested)
Constructor with no message and a nested exception

ChainedException(Throwable newNested, int newErrorNumber)
Constructor with no message and a nested exception, but with an error number

Method Summary

int	getErrorNumber() Return the error number if one was supplied
String	getMessage() Extend getMessage to return the nested message (if any) if we don't have one
Throwable	getNested() Retrieve the nested exception
static String	omitPackages(Object obj) utility to get just name of class
void	printStackTrace() Extend printStackTrace to handle the nested exception correctly.
void	printStackTrace(PrintStream p) Extend printStackTrace to handle the nested Exception
void	printStackTrace(PrintWriter p) Extend printStackTrace to handle the nested Exception

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, initCause, setStackTrace, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ChainedException

public ChainedException()

Normal no-args constructor

ChainedException

public ChainedException(String s)

Normal constructor with a single message

Parameters:

s - The exception message

ChainedException

public ChainedException(String s,
                        int newErrorNumber)

Specify an error number

Parameters:

s - the message

newErrorNumber - The error number to assign

ChainedException

public ChainedException(String message,
                        Throwable newNested)

Constructor with a single message and a nested exception

Parameters:

message - The exception message

newNested - The nested item

ChainedException

public ChainedException(String message,
                        Throwable newNested,
                        int newErrorNumber)

Constructor with a single message and a nested exception with error number

Parameters:

message - The exception message

newNested - The nested item

newErrorNumber - the error number associated with the exception

ChainedException

public ChainedException(Throwable newNested)

Constructor with no message and a nested exception

Parameters:

newNested - The nested exception

ChainedException

public ChainedException(Throwable newNested,
                        int newErrorNumber)

Constructor with no message and a nested exception, but with an error number

Parameters:

newNested - The nested exception

newErrorNumber - the error number associated with the exception message

Method Detail

getMessage

public String getMessage()

Extend getMessage to return the nested message (if any) if we don't have one

Returns:

java.lang.String

omitPackages

public static String omitPackages(Object obj)

utility to get just name of class

Parameters:

obj - the object of the given class, the name of which will be returned

Returns:

name of class, less any package prefix

getErrorNumber

public int getErrorNumber()

Return the error number if one was supplied

Returns:

integer: the error number specified (or zero if non was specified)

printStackTrace

public void printStackTrace()

Extend printStackTrace to handle the nested exception correctly.

printStackTrace

public void printStackTrace(PrintStream p)

Extend printStackTrace to handle the nested Exception

Parameters:

p - The PrintStream to write the exception messages into

printStackTrace

public void printStackTrace(PrintWriter p)

Extend printStackTrace to handle the nested Exception

Parameters:

p - The PrintWriter to write the exception messages into

getNested

public Throwable getNested()

Retrieve the nested exception

Returns:

the nested Exception