net.percederberg.grammatica.parser.re

Class RegExpException

java.lang.Object

java.lang.Throwable

java.lang.Exception

net.percederberg.grammatica.parser.re.RegExpException

All Implemented Interfaces:

java.io.Serializable

public class RegExpException
extends java.lang.Exception

A regular expression exception. This exception is thrown if a regular expression couldn't be processed (or "compiled") properly.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	INVALID_REPEAT_COUNT The invalid repeat count error constant.
static int	UNEXPECTED_CHARACTER The unexpected character error constant.
static int	UNSUPPORTED_ESCAPE_CHARACTER The unsupported escape character error constant.
static int	UNSUPPORTED_SPECIAL_CHARACTER The unsupported special character error constant.
static int	UNTERMINATED_PATTERN The unterminated pattern error constant.

Constructor Summary

Constructors

Constructor and Description
RegExpException(int type, int pos, java.lang.String pattern) Creates a new regular expression exception.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getMessage() Returns the exception error message.

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, 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

Field Detail

UNEXPECTED_CHARACTER

public static final int UNEXPECTED_CHARACTER

The unexpected character error constant. This error is used when a character was read that didn't match the allowed set of characters at the given position.

See Also:

Constant Field Values

UNTERMINATED_PATTERN

public static final int UNTERMINATED_PATTERN

The unterminated pattern error constant. This error is used when more characters were expected in the pattern.

See Also:

Constant Field Values

UNSUPPORTED_SPECIAL_CHARACTER

public static final int UNSUPPORTED_SPECIAL_CHARACTER

The unsupported special character error constant. This error is used when special regular expression characters are used in the pattern, but not supported in this implementation.

See Also:

Constant Field Values

UNSUPPORTED_ESCAPE_CHARACTER

public static final int UNSUPPORTED_ESCAPE_CHARACTER

The unsupported escape character error constant. This error is used when an escape character construct is used in the pattern, but not supported in this implementation.

See Also:

Constant Field Values

INVALID_REPEAT_COUNT

public static final int INVALID_REPEAT_COUNT

The invalid repeat count error constant. This error is used when a repetition count of zero is specified, or when the minimum exceeds the maximum.

See Also:

Constant Field Values

Constructor Detail

RegExpException

public RegExpException(int type,
                       int pos,
                       java.lang.String pattern)

Creates a new regular expression exception.

Parameters:

type - the error type constant

pos - the error position

pattern - the regular expression pattern

Method Detail

getMessage

public java.lang.String getMessage()

Returns the exception error message.

Overrides:

getMessage in class java.lang.Throwable

Returns:

the exception error message