Class ScriptException

java.lang.Object

java.lang.Throwable

java.lang.Exception

javax.script.ScriptException

All Implemented Interfaces:

Serializable

public class ScriptException
extends Exception

The generic Exception class for the Scripting APIs. Checked exception types thrown by underlying scripting implementations must be wrapped in instances of ScriptException. The class has members to store line and column numbers and filenames if this information is available.

Since:

1.6

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ScriptException(Exception e)	Creates a ScriptException wrapping an Exception thrown by an underlying interpreter.
ScriptException(String s)	Creates a ScriptException with a String to be used in its message.
ScriptException(String message, String fileName, int lineNumber)	Creates a ScriptException with message, filename and linenumber to be used in error messages.
ScriptException(String message, String fileName, int lineNumber, int columnNumber)	ScriptException constructor specifying message, filename, line number and column number.

Method Summary

Modifier and Type	Method	Description
int	getColumnNumber()	Get the column number on which an error occurred.
String	getFileName()	Get the source of the script causing the error.
int	getLineNumber()	Get the line number on which an error occurred.
String	getMessage()	Returns a message containing the String passed to a constructor as well as line and column numbers and filename if any of these are known.

Methods declared in class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Modifier and Type	Method	Description
final void	addSuppressed(Throwable exception)	Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.
Throwable	fillInStackTrace()	Fills in the execution stack trace.
Throwable	getCause()	Returns the cause of this throwable or null if the cause is nonexistent or unknown.
String	getLocalizedMessage()	Creates a localized description of this throwable.
StackTraceElement[]	getStackTrace()	Provides programmatic access to the stack trace information printed by Throwable.printStackTrace().
final Throwable[]	getSuppressed()	Returns an array containing all of the exceptions that were suppressed, typically by the try-with-resources statement, in order to deliver this exception.
Throwable	initCause(Throwable cause)	Initializes the cause of this throwable to the specified value.
void	printStackTrace()	Prints this throwable and its backtrace to the standard error stream.
void	printStackTrace(PrintStream s)	Prints this throwable and its backtrace to the specified print stream.
void	printStackTrace(PrintWriter s)	Prints this throwable and its backtrace to the specified print writer.
void	setStackTrace(StackTraceElement[] stackTrace)	Sets the stack trace elements that will be returned by Throwable.getStackTrace() and printed by Throwable.printStackTrace() and related methods.
String	toString()	Returns a short description of this throwable.

Methods declared in class Object

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

Modifier and Type	Method	Description
protected Object	clone()	Creates and returns a copy of this object.
boolean	equals(Object obj)	Indicates whether some other object is "equal to" this one.
protected void	finalize()	Deprecated, for removal: This API element is subject to removal in a future version. Finalization is deprecated and subject to removal in a future release.
final Class<?>	getClass()	Returns the runtime class of this Object.
int	hashCode()	Returns a hash code value for this object.
final void	notify()	Wakes up a single thread that is waiting on this object's monitor.
final void	notifyAll()	Wakes up all threads that are waiting on this object's monitor.
final void	wait()	Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void	wait(long timeoutMillis)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void	wait(long timeoutMillis, int nanos)	Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

ScriptException

public ScriptException(String s)

Creates a ScriptException with a String to be used in its message. Filename, and line and column numbers are unspecified.

Parameters:

s - The String to use in the message.

ScriptException

public ScriptException(Exception e)

Creates a ScriptException wrapping an Exception thrown by an underlying interpreter. Line and column numbers and filename are unspecified.

Parameters:

e - The wrapped Exception.

ScriptException

public ScriptException(String message,
 String fileName,
 int lineNumber)

Creates a ScriptException with message, filename and linenumber to be used in error messages.

Parameters:

message - The string to use in the message

fileName - The file or resource name describing the location of a script error causing the ScriptException to be thrown.

lineNumber - A line number describing the location of a script error causing the ScriptException to be thrown.

ScriptException

public ScriptException(String message,
 String fileName,
 int lineNumber,
 int columnNumber)

ScriptException constructor specifying message, filename, line number and column number.

Parameters:

message - The message.

fileName - The filename

lineNumber - the line number.

columnNumber - the column number.

Method Details

getMessage

public String getMessage()

Returns a message containing the String passed to a constructor as well as line and column numbers and filename if any of these are known.

Overrides:

getMessage in class Throwable

Returns:

The error message.

getLineNumber

public int getLineNumber()

Get the line number on which an error occurred.

Returns:

The line number. Returns -1 if a line number is unavailable.

getColumnNumber

public int getColumnNumber()

Get the column number on which an error occurred.

Returns:

The column number. Returns -1 if a column number is unavailable.

getFileName

public String getFileName()

Get the source of the script causing the error.

Returns:

The file name of the script or some other string describing the script source. May return some implementation-defined string such as <unknown> if a description of the source is unavailable.