com.lowagie.text
Class ExceptionConverter

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          java.lang.RuntimeException
              com.lowagie.text.ExceptionConverter

All Implemented Interfaces:

Serializable

public class ExceptionConverter
extends RuntimeException

The ExceptionConverter changes a checked exception into an unchecked exception.

See Also:

Serialized Form

Field Summary

private Exception	ex we keep a handle to the wrapped exception
private String	prefix prefix for the exception
private static long	serialVersionUID

Constructor Summary

ExceptionConverter(Exception ex)
Construct a RuntimeException based on another Exception

Method Summary

static RuntimeException	convertException(Exception ex) Convert an Exception into an unchecked exception.
Throwable	fillInStackTrace() requests to fill in the stack trace we will have to ignore.
Exception	getException() and allow the user of ExceptionConverter to get a handle to it.
String	getLocalizedMessage() and make sure we also produce a localized version
String	getMessage() We print the message of the checked exception
void	printStackTrace() we have to override this as well
void	printStackTrace(PrintStream s) here we prefix, with s.print(), not s.println(), the stack trace with "ExceptionConverter:"
void	printStackTrace(PrintWriter s) Again, we prefix the stack trace with "ExceptionConverter:"
String	toString() The toString() is changed to be prefixed with ExceptionConverter

Methods inherited from class java.lang.Throwable

getCause, getStackTrace, initCause, setStackTrace

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

ex

private Exception ex

we keep a handle to the wrapped exception

prefix

private String prefix

prefix for the exception

Constructor Detail

ExceptionConverter

public ExceptionConverter(Exception ex)

Construct a RuntimeException based on another Exception

Parameters:

ex - the exception that has to be turned into a RuntimeException

Method Detail

convertException

public static final RuntimeException convertException(Exception ex)

Convert an Exception into an unchecked exception. Return the exception if it is already an unchecked exception or return an ExceptionConverter wrapper otherwise

Parameters:

ex - the exception to convert

Returns:

an unchecked exception

Since:

2.1.6

getException

public Exception getException()

and allow the user of ExceptionConverter to get a handle to it.

Returns:

the original exception

getMessage

public String getMessage()

We print the message of the checked exception

Overrides:

getMessage in class Throwable

Returns:

message of the original exception

getLocalizedMessage

public String getLocalizedMessage()

and make sure we also produce a localized version

Overrides:

getLocalizedMessage in class Throwable

Returns:

localized version of the message

toString

public String toString()

The toString() is changed to be prefixed with ExceptionConverter

Overrides:

toString in class Throwable

Returns:

String version of the exception

printStackTrace

public void printStackTrace()

we have to override this as well

Overrides:

printStackTrace in class Throwable

printStackTrace

public void printStackTrace(PrintStream s)

here we prefix, with s.print(), not s.println(), the stack trace with "ExceptionConverter:"

Overrides:

printStackTrace in class Throwable

Parameters:

s -

printStackTrace

public void printStackTrace(PrintWriter s)

Again, we prefix the stack trace with "ExceptionConverter:"

Overrides:

printStackTrace in class Throwable

Parameters:

s -

fillInStackTrace

public Throwable fillInStackTrace()

requests to fill in the stack trace we will have to ignore. We can't throw an exception here, because this method is called by the constructor of Throwable

Overrides:

fillInStackTrace in class Throwable

Returns:

a Throwable