javax.xml.xquery

Class XQQueryException

java.lang.Object

java.lang.Throwable

java.lang.Exception

javax.xml.xquery.XQException

javax.xml.xquery.XQQueryException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

XQCancelledException

public class XQQueryException
extends XQException

An exception that provides information on errors occurring during the evaluation of an xquery.

Each XQQueryException provides several kinds of optional information, in addition to the properties inherited from XQException:

• an error code. This QName identifies the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and and its associated specifications; implementation-defined errors may be raised.
• a position. This identifies the character position of the failing expression in the query text. This is a 0 based position. -1 if unknown.
• the line number in the query string where the error occured. Line numbering starts at 1. -1 if unknown
• the column number in the query string where the error occured. Column numbering starts at 1. -1 if unknown
• the module uri. This identifies the module in which the error occurred, null when the error is located in the main module.
• the XQuery error object of this exception. This is the $error-object argument specified through the fn:error() function. May be null if not specified.
• the XQuery stack trace. This provides additional dynamic information where the exception occurred in the XQuery expression.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
XQQueryException(String message) Constructs an XQQueryException object with a given message.
XQQueryException(String message, QName errorCode) Constructs an XQQueryException object with a given message, and error code.
XQQueryException(String message, QName errorCode, int line, int column, int position) Constructs an XQQueryException object with a given message, error code, line number, column number, and position.
XQQueryException(String message, String vendorCode, QName errorCode, int line, int column, int position) Constructs an XQQueryException object with a given message, vendor code, error code, line number, column number, and position.
XQQueryException(String message, String vendorCode, QName errorCode, int line, int column, int position, String moduleURI, XQSequence errorObject, XQStackTraceElement[] stackTrace) Constructs an XQQueryException object with a given message, vendor code, error code, line number, column number, position, module URI, error object, and stack trace.

Method Summary

Modifier and Type	Method and Description
int	getColumnNumber() Gets the column number in the query string where the error occurred.
QName	getErrorCode() Gets the code identifying the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and its associated specifications; imlementation-defined errors may also be raised; finally the error code may also be specified in the query using fn:error().
XQSequence	getErrorObject() Gets an XQSequence representing the error object passed to fn:error().
int	getLineNumber() Gets the line number in the query string where the error occurred.
String	getModuleURI() Gets the module URI of the module in which the error occurred.
int	getPosition() Gets the character position in the query string where this exception occurred.
XQStackTraceElement[]	getQueryStackTrace() Returns the query stack stackTrace when the exception occurred, or null if none.

Methods inherited from class javax.xml.xquery.XQException

getNextException, getVendorCode, setNextException

Methods inherited from class java.lang.Throwable

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

Methods inherited from class java.lang.Object

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

Constructor Detail

XQQueryException

public XQQueryException(String message)

Constructs an XQQueryException object with a given message.

Parameters:

message - the description of the error. null indicates that the message string is non existant

XQQueryException

public XQQueryException(String message,
                        QName errorCode)

Constructs an XQQueryException object with a given message, and error code.

Parameters:

message - the description of the error. null indicates that the message string is non existant

errorCode - QName which identifies the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and its associated specifications; implementation-defined errors may be raised.

XQQueryException

public XQQueryException(String message,
                        QName errorCode,
                        int line,
                        int column,
                        int position)

Constructs an XQQueryException object with a given message, error code, line number, column number, and position.

Parameters:

message - the description of the error. null indicates that the message string is non existant

errorCode - QName which identifies the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and its associated specifications; implementation-defined errors may be raised

line - the line number in the query string where the error occured. Line numbering starts at 1. -1 if unknown

column - the column number in the query string where the error occured. Column numbering starts at 1. -1 if unknown

position - the position in the query string where the error occured. This is a 0 based position. -1 if unknown

XQQueryException

public XQQueryException(String message,
                        String vendorCode,
                        QName errorCode,
                        int line,
                        int column,
                        int position)

Constructs an XQQueryException object with a given message, vendor code, error code, line number, column number, and position.

Parameters:

message - the description of the error. null indicates that the message string is non existant

vendorCode - a vendor-specific string identifying the error. null indicates there is no vendor code or it is unknown

errorCode - QName which identifies the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and its associated specifications; implementation-defined errors may be raised

line - the line number in the query string where the error occured. Line numbering starts at 1. -1 if unknown

column - the column number in the query string where the error occured. Column numbering starts at 1. -1 if unknown

position - the position in the query string where the error occured. This is a 0 based position. -1 if unknown

XQQueryException

public XQQueryException(String message,
                        String vendorCode,
                        QName errorCode,
                        int line,
                        int column,
                        int position,
                        String moduleURI,
                        XQSequence errorObject,
                        XQStackTraceElement[] stackTrace)

Constructs an XQQueryException object with a given message, vendor code, error code, line number, column number, position, module URI, error object, and stack trace.

Parameters:

message - the description of the error. null indicates that the message string is non existant

vendorCode - a vendor-specific string identifying the error. null indicates there is no vendor code or it is unknown

errorCode - QName which identifies the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and its associated specifications; implementation-defined errors may be raised

line - the line number in the query string where the error occured. Line numbering starts at 1. -1 if unknown

column - the column number in the query string where the error occured. Column numbering starts at 1. -1 if unknown

position - the position in the query string where the error occured. This is a 0 based position. -1 if unknown

moduleURI - the module URI of the module in which the error occurred. null when it is the main module or when the module is unknown

errorObject - an XQSequence representing the error object passed to fn:error(). null if this error was not triggered by fn:error() or when the error object is not available.

stackTrace - the XQuery stack trace where the error occurred. null if not available

Method Detail

getErrorCode

public QName getErrorCode()

Gets the code identifying the error according to the standard as described in Appendix F, XQuery 1.0: An XML Query language, Appendix C, XQuery 1.0 and XPath 2.0 Functions and Operators, and its associated specifications; imlementation-defined errors may also be raised; finally the error code may also be specified in the query using fn:error().

Returns:

the code identifying the error, or null if not available

getErrorObject

public XQSequence getErrorObject()

Gets an XQSequence representing the error object passed to fn:error(). Returns null if this error was not triggered by fn:error() or when the error object is not available.

Returns:

the sequence passed to fn:error(), null if not available

getPosition

public int getPosition()

Gets the character position in the query string where this exception occurred.

This is a 0 based position. -1 if unknown.

Returns:

the character position in the query string where the exception occurred

getQueryStackTrace

public XQStackTraceElement[] getQueryStackTrace()

Returns the query stack stackTrace when the exception occurred, or null if none. On some implementations only the top frame may be visible.

Returns:

the stackTrace where the exception occurred

getModuleURI

public String getModuleURI()

Gets the module URI of the module in which the error occurred. null when it is the main module or when the module is unknown.

Returns:

the module URI or null

getLineNumber

public int getLineNumber()

Gets the line number in the query string where the error occurred.

Line numbering starts at 1. -1 is returned if the line number is unknown. If the implementation does not support this method, it must return -1

Returns:

the line number in the query string where the error occurred

getColumnNumber

public int getColumnNumber()

Gets the column number in the query string where the error occurred.

Column numbering starts at 1. -1 is returned if the column number is unknown. If the implementation does not support this method, it must return -1

Returns:

the column number in the query string where the error occurred