java.lang.Object
java.lang.Throwable
java.lang.Exception
com.drew.lang.CompoundException
- All Implemented Interfaces:
- java.io.Serializable
- public class CompoundException
- extends java.lang.Exception
Represents a compound exception, as modelled in JDK 1.4, but
unavailable in previous versions. This class allows support
of these previous JDK versions.
| Nested classes inherited from class java.lang.Throwable |
|
| Fields inherited from class java.lang.Exception |
|
| Fields inherited from class java.lang.Throwable |
|
_innnerException
private java.lang.Throwable _innnerException
CompoundException
public CompoundException(java.lang.String msg)
CompoundException
public CompoundException(java.lang.Throwable exception)
CompoundException
public CompoundException(java.lang.String msg,
java.lang.Throwable innerException)
getInnerException
public java.lang.Throwable getInnerException()
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 s)
- 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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