Module org.apache.wicket.util

Package org.apache.wicket.util.lang

Class Exceptions

java.lang.Object

org.apache.wicket.util.lang.Exceptions

public class Exceptions
extends Object

Author:

igor.vaynberg

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Exceptions.IThrowableVisitor<T>	Visitor used to visit Throwable chains
static class	Exceptions.Visit<T>	Represents a visit

Method Summary

Modifier and Type	Method	Description
static <T extends Throwable> T	findCause(Throwable throwable, Class<T> causeType)	Looks for a cause of the specified type in throwable's chain
Throwable	getRootCause(Throwable throwable)	Gets root cause of the throwable
static <T> T	visit(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 Details

getRootCause

public Throwable getRootCause(Throwable throwable)

Gets root cause of the throwable

Parameters:

throwable -

Returns:

root cause

findCause

public static <T extends Throwable> T findCause(Throwable throwable,
 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(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