Package org.apache.commons.jexl3.parser

Class TokenMgrException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.apache.commons.jexl3.parser.TokenMgrException

All Implemented Interfaces:

Serializable, JavaccError

public class TokenMgrException
extends RuntimeException
implements JavaccError

Token Manager Error.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private String	after	Last correct input before error occurs.
private int	column	Error column.
private char	current	The current character.
private boolean	eof	Whether eof was reached whilst expecting more input.
private final int	errorCode	Indicates the reason why the exception is thrown.
static final int	INVALID_LEXICAL_STATE	Tried to change to an invalid lexical state.
static final int	LEXICAL_ERROR	Lexical error occurred.
private int	line	Error line.
static final int	LOOP_DETECTED	Detected (and bailed out of) an infinite loop in the token manager.
private static final long	serialVersionUID	The version identifier for this Serializable class.
private int	state	The lexer state.
static final int	STATIC_LEXER_ERROR	An attempt was made to create a second instance of a static token manager.

Constructor Summary

Constructors

Constructor	Description
TokenMgrException(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar, int reason)	Full Constructor.
TokenMgrException(String message, int reason)	Constructor with message and reason.

Method Summary

Modifier and Type	Method	Description
protected static String	addEscapes(String str)	Replaces unprintable characters by their espaced (or unicode escaped) equivalents in the given string
String	getAfter()	Gets the last correct input.
int	getColumn()	Gets the column number.
int	getErrorCode()	Gets the reason why the exception is thrown.
int	getLine()	Gets the line number.
String	getMessage()	Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.

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 Details

serialVersionUID

private static final long serialVersionUID

The version identifier for this Serializable class. Increment only if the serialized form of the class changes.

See Also:

• Constant Field Values

LEXICAL_ERROR

public static final int LEXICAL_ERROR

Lexical error occurred.

See Also:

• Constant Field Values

STATIC_LEXER_ERROR

public static final int STATIC_LEXER_ERROR

An attempt was made to create a second instance of a static token manager.

See Also:

• Constant Field Values

INVALID_LEXICAL_STATE

public static final int INVALID_LEXICAL_STATE

Tried to change to an invalid lexical state.

See Also:

• Constant Field Values

LOOP_DETECTED

public static final int LOOP_DETECTED

Detected (and bailed out of) an infinite loop in the token manager.

See Also:

• Constant Field Values

errorCode

private final int errorCode

Indicates the reason why the exception is thrown. It will have one of the above 4 values.

state

private int state

The lexer state.

current

private char current

The current character.

after

private String after

Last correct input before error occurs.

eof

private boolean eof

Whether eof was reached whilst expecting more input.

line

private int line

Error line.

column

private int column

Error column.

Constructor Details

TokenMgrException

public TokenMgrException(boolean EOFSeen,
 int lexState,
 int errorLine,
 int errorColumn,
 String errorAfter,
 int curChar,
 int reason)

Full Constructor.

TokenMgrException

public TokenMgrException(String message,
 int reason)

Constructor with message and reason.

Method Details

addEscapes

protected static String addEscapes(String str)

Replaces unprintable characters by their espaced (or unicode escaped) equivalents in the given string

getAfter

public String getAfter()

Description copied from interface: JavaccError

Gets the last correct input.

Specified by:

getAfter in interface JavaccError

Returns:

the string after which the error occurred

getColumn

public int getColumn()

Description copied from interface: JavaccError

Gets the column number.

Specified by:

getColumn in interface JavaccError

Returns:

the column.

getErrorCode

public int getErrorCode()

Gets the reason why the exception is thrown.

Returns:

one of the 4 lexical error codes

getLine

public int getLine()

Description copied from interface: JavaccError

Gets the line number.

Specified by:

getLine in interface JavaccError

Returns:

line number.

getMessage

public String getMessage()

Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error.

Overrides:

getMessage in class Throwable

Returns:

the message