hera.util

Class ExceptionUtils

java.lang.Object

hera.util.ExceptionUtils

public class ExceptionUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ExceptionUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	buildExceptionMessage(java.lang.String message, java.lang.Throwable cause) Assemble exception message from message and cause.
static java.lang.StackTraceElement[]	concat(java.lang.StackTraceElement[] left, java.lang.StackTraceElement[] right) Concat two stack trace into one.
static java.lang.String	getStackTraceOf(java.lang.Throwable e) Build printable string from e.
static java.lang.String	trace() Print the current thread's stacktrace.
static java.lang.String	trace(java.lang.StackTraceElement[] elements) Print the stacktrace.
static java.lang.String	trace(java.lang.StackTraceElement[] elements, int start, int end) Print the partial stacktrace.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionUtils

public ExceptionUtils()

Method Detail

buildExceptionMessage

public static java.lang.String buildExceptionMessage(java.lang.String message,
                                                     java.lang.Throwable cause)

Assemble exception message from message and cause.

Parameters:

message - message

cause - exception

Returns:

message to be made

trace

public static java.lang.String trace()

Print the current thread's stacktrace.

Print stacktrace the upper part from trace().

Returns:

StackTraceElement's information

See Also:

trace(StackTraceElement[], int, int)

trace

public static java.lang.String trace(java.lang.StackTraceElement[] elements)

Print the stacktrace.

return null if stacktrace is null

Parameters:

elements - array of StackTraceElement

Returns:

stacktrace string

See Also:

trace(StackTraceElement[], int, int)

trace

public static java.lang.String trace(java.lang.StackTraceElement[] elements,
                                     int start,
                                     int end)

Print the partial stacktrace.

start is less than end and both are in a range of elements. return null if stacktrace is null

Parameters:

elements - array of StackTraceElement

start - start index

end - end index

Returns:

stacktrace string

getStackTraceOf

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

Build printable string from e.

return null if e is null

Parameters:

e - Throwable to print

Returns:

information about e

concat

public static java.lang.StackTraceElement[] concat(java.lang.StackTraceElement[] left,
                                                   java.lang.StackTraceElement[] right)

Concat two stack trace into one. Concated form is leftTrace, rightTrace.

Parameters:

left - left track trace

right - right stack trace

Returns:

concated stack trace