java.lang.Object
java.lang.Throwable
java.lang.Exception
java.lang.RuntimeException
org.media.mn8.event.mn8Exception
- All Implemented Interfaces:
- java.io.Serializable
- public class mn8Exception
- extends java.lang.RuntimeException
The basic mn8 exception class.
In mn8 all signaling of user messages is done through
exceptions. All mn8 exceptions are derived from this
class, and having separate exception types for different
kind of exceptions (general system errors and warnings,
mn8 interpretation specific errors). In this way a user can
choose the amount of information wanted, and use it's custom
message handling utilities. Ex: general errors go on screen, mn8
warning go to email.
For normal interpretation, all exceptions are caught by the
LogManager and displayed on the system console.
- Version:
- $Revision: 1.1 $ $Date: 2001/08/06 08:42:06 $
| Nested classes inherited from class java.lang.Throwable |
|
| Fields inherited from class java.lang.Throwable |
|
_messageTypeId
private java.lang.String _messageTypeId
_messageId
private java.lang.String _messageId
_optionalInfo
private java.lang.String _optionalInfo
_suplementaryInfo
private java.lang.String _suplementaryInfo
_generatorException
private java.lang.Exception _generatorException
mn8Exception
public mn8Exception(java.lang.String message)
mn8Exception
public mn8Exception(java.lang.String type_id,
java.lang.String message_id)
mn8Exception
public mn8Exception(java.lang.String type_id,
java.lang.String message_id,
java.lang.String optional,
java.lang.String suplement)
mn8Exception
public mn8Exception(java.lang.String type_id,
java.lang.String message_id,
java.lang.String optional)
setGeneratorException
public void setGeneratorException(java.lang.Exception initialException)
getGeneratorException
public java.lang.Exception getGeneratorException()
getMessage
public java.lang.String getMessage()
- Description copied from class:
java.lang.Throwable
- Get the message associated with this Throwable.
setMessageTypeId
public void setMessageTypeId(java.lang.String messageTypeId)
getMessageTypeId
public java.lang.String getMessageTypeId()
setMessageId
public void setMessageId(java.lang.String messageId)
getMessageId
public java.lang.String getMessageId()
setOptionalInfo
public void setOptionalInfo(java.lang.String optionalInfo)
getOptionalInfo
public java.lang.String getOptionalInfo()
setSuplementaryInfo
public void setSuplementaryInfo(java.lang.String suplemantaryInfo)
getSuplementaryInfo
public java.lang.String getSuplementaryInfo()
toString
public java.lang.String toString()
- Description copied from class:
java.lang.Throwable
- Get a human-readable representation of this Throwable. The detail message
is retrieved by getLocalizedMessage(). Then, with a null detail
message, this string is simply the object's class name; otherwise
the string is
getClass().getName() + ": " + message.
printStackTrace
public void printStackTrace(java.io.PrintStream s)
- Description copied from class:
java.lang.Throwable
- Print a stack trace to the specified PrintStream. See
Throwable.printStackTrace()>
Throwable.printStackTrace() 55 for the sample format.
printStackTrace
public void printStackTrace(java.io.PrintWriter w)
- Description copied from class:
java.lang.Throwable
- Prints the exception, the detailed message and the stack trace
associated with this Throwable to the given
PrintWriter.
The actual output written is implemention specific. Use the result of
getStackTrace() when more precise information is needed.
This implementation first prints a line with the result of this
object's toString() method.
Then for all elements given by getStackTrace it prints
a line containing three spaces, the string "at " and the result of calling
the toString() method on the StackTraceElement
object. If getStackTrace() returns an empty array it prints
a line containing three spaces and the string
"<<No stacktrace available>>".
Then if getCause() doesn't return null it adds a line
starting with "Caused by: " and the result of calling
toString() on the cause.
Then for every cause (of a cause, etc) the stacktrace is printed the
same as for the top level Throwable except that as soon
as all the remaining stack frames of the cause are the same as the
the last stack frames of the throwable that the cause is wrapped in
then a line starting with three spaces and the string "... X more" is
printed, where X is the number of remaining stackframes.
printStackTrace
public void printStackTrace()
- Description copied from class:
java.lang.Throwable
- Print a stack trace to the standard error stream. This stream is the
current contents of
System.err. The first line of output
is the result of Throwable.toString()>Throwable.toString() 55 , and the remaining lines represent
the data created by Throwable.fillInStackTrace()>Throwable.fillInStackTrace() 55 . While the format is
unspecified, this implementation uses the suggested format, demonstrated
by this example:
public class Junk
{
public static void main(String args[])
{
try
{
a();
}
catch(HighLevelException e)
{
e.printStackTrace();
}
}
static void a() throws HighLevelException
{
try
{
b();
}
catch(MidLevelException e)
{
throw new HighLevelException(e);
}
}
static void b() throws MidLevelException
{
c();
}
static void c() throws MidLevelException
{
try
{
d();
}
catch(LowLevelException e)
{
throw new MidLevelException(e);
}
}
static void d() throws LowLevelException
{
e();
}
static void e() throws LowLevelException
{
throw new LowLevelException();
}
}
class HighLevelException extends Exception
{
HighLevelException(Throwable cause) { super(cause); }
}
class MidLevelException extends Exception
{
MidLevelException(Throwable cause) { super(cause); }
}
class LowLevelException extends Exception
{
}
HighLevelException: MidLevelException: LowLevelException
at Junk.a(Junk.java:13)
at Junk.main(Junk.java:4)
Caused by: MidLevelException: LowLevelException
at Junk.c(Junk.java:23)
at Junk.b(Junk.java:17)
at Junk.a(Junk.java:11)
... 1 more
Caused by: LowLevelException
at Junk.e(Junk.java:30)
at Junk.d(Junk.java:27)
at Junk.c(Junk.java:21)
... 3 more
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