org.apache.flex.utils

Class ExceptionUtil

java.lang.Object

org.apache.flex.utils.ExceptionUtil

public class ExceptionUtil
extends Object

A utility for wrapping exceptions.

Constructor Summary

Constructors

Constructor and Description
ExceptionUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static Throwable	baseException(Throwable t) Get to the base exception (if any)
static String	exceptionToString(Throwable t) Utility method for converting an exception into a string.
static String	getCallAt(Throwable t, int nth) Return the "nth" method call from the stack trace of "t", where 0 is the top.
static String	getStackTraceLines(Throwable t, int numLines) return the top n lines of this stack trace Example: ExceptionUtil.getStackTraceLines(exception, 10);
static String	getStackTraceUpTo(Throwable t, String prefix) return the stack trace up to the first line that starts with prefix Example: ExceptionUtil.getStackTraceUpTo(exception, "jrunx
protected static void	printExceptionStack(Throwable th, PrintWriter out, int depth) Recursively prints out a stack of wrapped exceptions.
static String	toString(Throwable t) return the stack trace in a String
static Throwable	wrappedException(Throwable t)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionUtil

public ExceptionUtil()

Method Detail

wrappedException

public static Throwable wrappedException(Throwable t)

baseException

public static Throwable baseException(Throwable t)

Get to the base exception (if any)

toString

public static String toString(Throwable t)

return the stack trace in a String

getStackTraceUpTo

public static String getStackTraceUpTo(Throwable t,
                       String prefix)

return the stack trace up to the first line that starts with prefix Example: ExceptionUtil.getStackTraceUpTo(exception, "jrunx.");

getStackTraceLines

public static String getStackTraceLines(Throwable t,
                        int numLines)

return the top n lines of this stack trace Example: ExceptionUtil.getStackTraceLines(exception, 10);

getCallAt

public static String getCallAt(Throwable t,
               int nth)

Return the "nth" method call from the stack trace of "t", where 0 is the top.

exceptionToString

public static String exceptionToString(Throwable t)

Utility method for converting an exception into a string. This method unwinds all wrapped exceptions

Parameters:

t - The throwable exception

Returns:

The printable exception

printExceptionStack

protected static void printExceptionStack(Throwable th,
                       PrintWriter out,
                       int depth)

Recursively prints out a stack of wrapped exceptions.