Package liquibase.util

Class ExceptionUtil

java.lang.Object

liquibase.util.ExceptionUtil

public class ExceptionUtil
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ExceptionUtil.ExceptionRunnable	Functional interface for code blocks that may throw an Exception.

Constructor Summary

Constructors

Constructor	Description
ExceptionUtil()

Method Summary

Modifier and Type	Method	Description
static <T> T	doSilently(Callable<T> callback)	Executes a given Callable and returns its result, swallowing any exceptions that occur.
static <T> void	doSilently(ExceptionUtil.ExceptionRunnable callback)	Executes a given ExceptionUtil.ExceptionRunnable, swallowing any exceptions that occur.
static Throwable	findExceptionInCauseChain(Throwable exceptionToSearchIn, Class<?> desiredCause)	Find an exception in the stack of exception causes whose cause matches the desired one.
static boolean	showExceptionInLog(Throwable exception)

Methods inherited from class java.lang.Object

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

Constructor Details

ExceptionUtil

public ExceptionUtil()

Method Details

findExceptionInCauseChain

public static Throwable findExceptionInCauseChain(Throwable exceptionToSearchIn,
 Class<?> desiredCause)

Find an exception in the stack of exception causes whose cause matches the desired one. Note that the exception whose cause matches the desired cause is returned, NOT the cause itself.

Parameters:

exceptionToSearchIn - the exception to search through

desiredCause - the cause that should be found in the stack of causes in the exception to search in

Returns:

the desired exception, if found, or null otherwise

showExceptionInLog

public static boolean showExceptionInLog(Throwable exception)

doSilently

public static <T> T doSilently(Callable<T> callback)

Executes a given Callable and returns its result, swallowing any exceptions that occur. If an exception is thrown, this method returns null.

Type Parameters:

T - the return type of the Callable

Parameters:

callback - the code to execute

Returns:

the value returned by the callback, or null if an exception is thrown

doSilently

public static <T> void doSilently(ExceptionUtil.ExceptionRunnable callback)

Executes a given ExceptionUtil.ExceptionRunnable, swallowing any exceptions that occur. This method does not return a value.

Type Parameters:

T - the return type, if needed (otherwise it can be omitted)

Parameters:

callback - the code to execute