org.crazyyak.dev.common.exceptions

Class ExceptionUtils

java.lang.Object

org.crazyyak.dev.common.exceptions.ExceptionUtils

public class ExceptionUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static java.io.File	assertExists(java.io.File file)
static java.nio.file.Path	assertExists(java.nio.file.Path path)
static java.io.File	assertIsDirectory(java.io.File file)
static java.nio.file.Path	assertIsDirectory(java.nio.file.Path path)
static java.io.File	assertIsFile(java.io.File file)
static java.nio.file.Path	assertIsFile(java.nio.file.Path path)
static long	assertNegative(long value, java.lang.String name)
static <T> java.util.Collection<T>	assertNotEmpty(java.util.Collection<T> value, java.lang.String name)
static <T> T[]	assertNotEmpty(T[] value, java.lang.String name)
static <T> T	assertNotNull(T value, java.lang.String name)
static java.lang.String	assertNotZeroLength(java.lang.String value, java.lang.String name)
static long	assertPositive(long value, java.lang.String name)
static java.lang.String	getMessage(java.lang.Throwable ex) Gets the message for an exception taking into consideration that not all exceptions (ie NPE) will have a message in which case the class's name will be used in lue of no message.
static java.lang.Throwable	getRootCause(java.lang.Throwable e)
static java.util.List<? extends java.lang.Throwable>	getRootCauses(java.lang.Throwable e)
static java.lang.String	getRootMessage(java.lang.Throwable ex) Gets the message for an exception's root exception taking into consideration that not all exceptions (ie NPE) will have a message in which case the class's name will be used in lue of no message.
static java.lang.String	getStackTrace(java.lang.Throwable e)
static java.lang.String	toString(java.lang.Throwable e)

Methods inherited from class java.lang.Object

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

Method Detail

assertIsFile

public static java.nio.file.Path assertIsFile(java.nio.file.Path path)
                                       throws java.io.IOException

Throws:

java.io.IOException

assertIsFile

public static java.io.File assertIsFile(java.io.File file)
                                 throws java.io.IOException

Throws:

java.io.IOException

assertIsDirectory

public static java.nio.file.Path assertIsDirectory(java.nio.file.Path path)
                                            throws java.io.IOException

Throws:

java.io.IOException

assertIsDirectory

public static java.io.File assertIsDirectory(java.io.File file)
                                      throws java.io.IOException

Throws:

java.io.IOException

assertExists

public static java.nio.file.Path assertExists(java.nio.file.Path path)
                                       throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

assertExists

public static java.io.File assertExists(java.io.File file)
                                 throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

assertNotZeroLength

public static java.lang.String assertNotZeroLength(java.lang.String value,
                                                   java.lang.String name)

assertNotNull

public static <T> T assertNotNull(T value,
                                  java.lang.String name)

assertNotEmpty

public static <T> T[] assertNotEmpty(T[] value,
                                     java.lang.String name)

assertNotEmpty

public static <T> java.util.Collection<T> assertNotEmpty(java.util.Collection<T> value,
                                                         java.lang.String name)

assertPositive

public static long assertPositive(long value,
                                  java.lang.String name)

assertNegative

public static long assertNegative(long value,
                                  java.lang.String name)

toString

public static java.lang.String toString(java.lang.Throwable e)

getRootCause

public static java.lang.Throwable getRootCause(java.lang.Throwable e)

getMessage

public static java.lang.String getMessage(java.lang.Throwable ex)

Gets the message for an exception taking into consideration that not all exceptions (ie NPE) will have a message in which case the class's name will be used in lue of no message.

Parameters:

ex - any throwable

Returns:

a non-null message

getRootMessage

public static java.lang.String getRootMessage(java.lang.Throwable ex)

Gets the message for an exception's root exception taking into consideration that not all exceptions (ie NPE) will have a message in which case the class's name will be used in lue of no message.

Parameters:

ex - any throwable

Returns:

a non-null message for the root throwable

getStackTrace

public static java.lang.String getStackTrace(java.lang.Throwable e)

getRootCauses

public static java.util.List<? extends java.lang.Throwable> getRootCauses(java.lang.Throwable e)