net.sf.saxon.type

Class ValidationFailure

public class ValidationFailure extends Object implements SourceLocator, Locator, ConversionResult

This exception indicates a failure when validating an instance against a type defined in a schema.

This class holds the same information as a ValidationException, except that it is not an exception, and does not carry system overheads such as a stack trace. It is used because operations such as "castable", and validation of values in a union, cause validation failures on a success path and it is costly to throw, or even to create, exception objects on a success path.

Constructor Summary
	ValidationFailure(String message) Creates a new ValidationException with the given message.
	ValidationFailure(Exception exception) Creates a new ValidationFailure with the given nested exception.

Method Summary
AtomicValue	asAtomic() Calling this method on a ConversionResult returns the AtomicValue that results from the conversion if the conversion was successful, and throws a ValidationException explaining the conversion error otherwise.
int	getColumnNumber()
String	getConstraintClauseNumber() Get the constraint clause number
String	getConstraintName() Get the constraint name
String	getConstraintReference() Get the constraint name and clause in the format defined in XML Schema Part C (Outcome Tabulations).
String	getConstraintReferenceMessage() Get the constraint reference as a string for inserting into an error message.
int	getConstraintSchemaPart() Get the "schema part" component of the constraint reference
String	getErrorCode()
StructuredQName	getErrorCodeQName()
int	getLineNumber()
SourceLocator	getLocator()
String	getMessage()
String	getPublicId()
String	getSystemId()
ValidationException	makeException()
ValidationException	makeException(String contextMessage)
void	setColumnNumber(int column)
void	setConstraintReference(int schemaPart, String constraintName, String clause) Set a reference to the constraint in XML Schema that is not satisfied
void	setConstraintReference(ValidationFailure e) Copy the constraint reference from another exception object
void	setErrorCode(String errorCode)
void	setErrorCodeQName(StructuredQName errorCode)
void	setLineNumber(int line)
void	setLocator(SourceLocator locator)
void	setPublicId(String id)
void	setSourceLocator(SourceLocator locator)
void	setSystemId(String id)
String	toString() Returns the String representation of this Exception

Constructor Detail

ValidationFailure

public ValidationFailure(String message)

Creates a new ValidationException with the given message.

Parameters: message the message for this Exception

ValidationFailure

public ValidationFailure(Exception exception)

Creates a new ValidationFailure with the given nested exception.

Parameters: exception the nested exception

Method Detail

asAtomic

public AtomicValue asAtomic()

Calling this method on a ConversionResult returns the AtomicValue that results from the conversion if the conversion was successful, and throws a ValidationException explaining the conversion error otherwise.

Use this method if you are calling a conversion method that returns a ConversionResult, and if you want to throw an exception if the conversion fails.

Returns: the atomic value that results from the conversion if the conversion was successful

Throws: net.sf.saxon.type.ValidationException if the conversion was not successful

getColumnNumber

public int getColumnNumber()

getConstraintClauseNumber

public String getConstraintClauseNumber()

Get the constraint clause number

Returns: the section number of the clause containing the constraint that has been violated. Generally a decimal number in the form n.n.n; possibly a sequence of such numbers separated by semicolons. Or null if the information is not available.

getConstraintName

public String getConstraintName()

Get the constraint name

Returns: the name of the violated constraint, in the form of a fragment identifier within the published XML Schema specification; or null if the information is not available.

getConstraintReference

public String getConstraintReference()

Get the constraint name and clause in the format defined in XML Schema Part C (Outcome Tabulations). This mandates the format validation-rule-name.clause-number

Returns: the constraint reference, for example "cos-ct-extends.1.2"; or null if the reference is not known.

getConstraintReferenceMessage

public String getConstraintReferenceMessage()

Get the constraint reference as a string for inserting into an error message.

Returns: the reference as a message, or null if no information is available

getConstraintSchemaPart

public int getConstraintSchemaPart()

Get the "schema part" component of the constraint reference

Returns: 1 or 2 depending on whether the violated constraint is in XML Schema Part 1 or Part 2; or -1 if there is no constraint reference

getErrorCode

public String getErrorCode()

getErrorCodeQName

public StructuredQName getErrorCodeQName()

getLineNumber

public int getLineNumber()

getLocator

public SourceLocator getLocator()

getMessage

public String getMessage()

getPublicId

public String getPublicId()

getSystemId

public String getSystemId()

makeException

public ValidationException makeException()

makeException

public ValidationException makeException(String contextMessage)

setColumnNumber

public void setColumnNumber(int column)

setConstraintReference

public void setConstraintReference(int schemaPart, String constraintName, String clause)

Set a reference to the constraint in XML Schema that is not satisfied

Parameters: schemaPart - 1 or 2, depending whether the constraint is in XMLSchema part 1 or part 2 constraintName - the short name of the constraint in XMLSchema, as a fragment identifier in the HTML of the XML Schema Part 1 specification clause - the clause number within the description of that constraint

setConstraintReference

public void setConstraintReference(ValidationFailure e)

Copy the constraint reference from another exception object

Parameters: e the other exception object from which to copy the information

Returns: the String representation of this Exception