JSException
The public
class JSException extends
RuntimeException.
java.lang.Object
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+----java.lang.Throwable
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+----java.lang.Exception
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+----java.lang.RuntimeException
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+----netscape.javascript.JSException
Description
JSException
is an exception which is thrown when JavaScript code returns an
error.
Constructor Summary
The
netscape.javascript.JSException
class has the following constructors:
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Constructor
|
Description
|
|
JSException
|
Deprecated constructors optionally let you
specify a detail message and other information.
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Method Summary
The
netscape.javascript.JSException
class has the following methods:
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Method
|
Description
|
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getWrappedException
|
Instance method getWrappedException.
|
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getWrappedExceptionType
|
Instance method getWrappedExceptionType
returns the int mapping of the type of the wrappedException
object.
|
The
following sections show the declaration and usage of the constructors
and method.
Backward Compatibility
JavaScript 1.1 through 1.3.
JSException
had three public constructors which optionally took a string
argument, specifying the detail message or other information for
the exception. The getWrappedException
method was not available.
JSException
Constructors, deprecated in JavaScript 1.4.
Constructs a JSException with an
optional detail message.
Declaration
1.
public JSException()
2.
public JSException(String s)
3.
public JSException(String s,
String filename,
int lineno,
String source,
int tokenIndex)
Arguments
|
s
|
The
detail message.
|
|
filename
|
The
URL of the file where the error occurred, if possible.
|
|
lineno
|
The
line number if the file, if possible.
|
|
source
|
The
string containing the JavaScript code being evaluated.
|
|
tokenIndex
|
The
index into the source string where the error occurred.
|
getWrappedException
Instance
method getWrappedException.
Declaration
public Object getWrappedException()
Description
getWrappedException()
returns an object that represents the value that the JavaScript
actually threw. JavaScript can throw any type of value. Use
getWrappedException()
to determine what kind of value the Object return type
represents.
getWrappedExceptionType
Instance
method getWrappedExceptionType.
Declaration
public int getWrappedExceptionType()
Description
getWrappedExceptionType()
returns an int that matches
one of the following static ints declared by
the JSException class:
|
EXCEPTION_TYPE_EMPTY
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EXCEPTION_TYPE_VOID
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EXCEPTION_TYPE_OBJECT
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EXCEPTION_TYPE_FUNCTION
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EXCEPTION_TYPE_STRING
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EXCEPTION_TYPE_NUMBER
|
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EXCEPTION_TYPE_BOOLEAN
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