org.apache.wicket.util.lang
Class Exceptions

java.lang.Object
  org.apache.wicket.util.lang.Exceptions

public class Exceptions
extends java.lang.Object

Author:

igor.vaynberg

Nested Class Summary

static interface	Exceptions.IThrowableVisitor<T> Visitor used to visit Throwable chains
static class	Exceptions.Visit<T> Represents a visit

Method Summary

static <T extends java.lang.Throwable> T	findCause(java.lang.Throwable throwable, java.lang.Class<T> causeType) Looks for a cause of the specified type in throwable's chain
java.lang.Throwable	getRootCause(java.lang.Throwable throwable) Gets root cause of the throwable
static <T> T	visit(java.lang.Throwable throwable, Exceptions.IThrowableVisitor<T> visitor) Visits the Throwable's chain

Methods inherited from class java.lang.Object

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

Method Detail

getRootCause

public java.lang.Throwable getRootCause(java.lang.Throwable throwable)

Gets root cause of the throwable

Parameters:

throwable -

Returns:

root cause

findCause

public static <T extends java.lang.Throwable> T findCause(java.lang.Throwable throwable,
                                                          java.lang.Class<T> causeType)

Looks for a cause of the specified type in throwable's chain

Type Parameters:

T -

Parameters:

throwable -

causeType -

Returns:

matched Throwable in the chain or null if none

visit

public static <T> T visit(java.lang.Throwable throwable,
                          Exceptions.IThrowableVisitor<T> visitor)

Visits the Throwable's chain

Type Parameters:

T -

Parameters:

throwable -

visitor -

Returns:

result set on visitor or null if none