java.util.regex

Class PatternSyntaxException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

java.lang.IllegalArgumentException

java.util.regex.PatternSyntaxException

All Implemented Interfaces:

java.io.Serializable

public class PatternSyntaxException
extends java.lang.IllegalArgumentException

Indicates illegal pattern for regular expression. Includes state to inspect the pattern and what and where the expression was not valid regular expression.

Since:

1.4

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PatternSyntaxException(java.lang.String description, java.lang.String pattern, int index) Creates a new PatternSyntaxException.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getDescription() Returns a human readable escription of the syntax error.
int	getIndex() Returns the index of the first character in the String that was probably invalid, or -1 when unknown.
java.lang.String	getMessage() Returns a string containing a line with the description, a line with the original pattern and a line indicating with a ^ which character is probably the first invalid character in the pattern if the index is not negative.
java.lang.String	getPattern() Returns the original pattern that contained the syntax error.

Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getStackTrace, 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

PatternSyntaxException

public PatternSyntaxException(java.lang.String description,
                      java.lang.String pattern,
                      int index)

Creates a new PatternSyntaxException.

Parameters:

description - Human readable escription of the syntax error.

pattern - The original pattern that contained the syntax error.

index - Index of the first character in the String that was probably invalid, or -1 when unknown.

Method Detail

getDescription

public java.lang.String getDescription()

Returns a human readable escription of the syntax error.

getPattern

public java.lang.String getPattern()

Returns the original pattern that contained the syntax error.

getIndex

public int getIndex()

Returns the index of the first character in the String that was probably invalid, or -1 when unknown.

getMessage

public java.lang.String getMessage()

Returns a string containing a line with the description, a line with the original pattern and a line indicating with a ^ which character is probably the first invalid character in the pattern if the index is not negative.

Overrides:

getMessage in class java.lang.Throwable

Returns:

the error message associated with this Throwable, may be null