com.taggercat.el
Class ELParser

java.lang.Object
  com.taggercat.el.ELParser

All Implemented Interfaces:

ELParserConstants

public class ELParser
extends java.lang.Object
implements ELParserConstants

Field Summary

Token	jj_nt Next token.
Token	token Current token.
ELParserTokenManager	token_source Generated Token Manager.

Fields inherited from interface com.taggercat.el.ELParserConstants

AND, AND2, BIT_AND, BIT_OR, DEFAULT, DIGIT, DIVIDE, DOT, EOF, EQ, EQ2, EQ3, EXP, FALSE, FLOAT_LITERAL, GE, GE2, GT, GT2, ID, IN, INTEGER_LITERAL, IS_NOT_NULL, IS_NULL, LBRACKET, LE, LE2, LETTER, LIKE, LPAREN, LT, LT2, MINUS, MULTIPLY, NE, NE2, NE3, NOT, NOT2, NOTIN, NOTLIKE, NULL, OR, OR2, PLUS, PROPERTY_SUFFIX, QUALIFIED_FIELD, RBRACKET, REGEXP, RPAREN, STRING_LITERAL, tokenImage, TRUE

Constructor Summary

ELParser(ELParserTokenManager tm)
Constructor with generated Token Manager.

ELParser(java.io.InputStream stream)
Constructor with InputStream.

ELParser(java.io.InputStream stream, java.lang.String encoding)
Constructor with InputStream and supplied encoding

ELParser(java.io.Reader stream)
Constructor.

Method Summary

static void	addConstant(java.lang.String key, java.lang.Object value)
static void	addConstants(java.util.Map constaints)
static void	addFunction(java.lang.String functionName, java.lang.String functionClass)
void	additionExpression(boolean terminated)
static void	addUserDefinedFunctions(java.lang.Class classdefinintion)
void	andExpression(boolean terminated)
void	bitExpression(boolean terminated)
void	disable_tracing() Disable tracing.
void	element(boolean terminated)
void	enable_tracing() Enable tracing.
void	equalityExpression(boolean terminated)
void	evaluate(ELPropertyResolver elPropertryResolver, ELContext elContext)
static java.lang.Object	evaluate(java.lang.String expression, ELPropertyResolver elPropertryResolver, ELContext elContext)
void	exponentiation(boolean terminated)
void	expression(boolean terminated)
void	function(boolean terminated)
ParseException	generateParseException() Generate ParseException.
static java.util.Map	getConstantsMap()
static java.util.Map<java.lang.String,java.lang.String>	getFunctionMap()
static java.util.List<java.lang.String>	getFunctionNames()
Token	getNextToken() Get the next Token.
java.lang.Object	getResult()
Token	getToken(int index) Get the specific Token.
void	indexedProperty(boolean terminated)
void	multiplicationExpression(boolean terminated)
void	negation(boolean terminated)
void	orExpression(boolean terminated)
void	ReInit(ELParserTokenManager tm) Reinitialise.
void	ReInit(java.io.InputStream stream) Reinitialise.
void	ReInit(java.io.InputStream stream, java.lang.String encoding) Reinitialise.
void	ReInit(java.io.Reader stream) Reinitialise.
void	relationalExpression(boolean terminated)
void	relationalTerm(boolean terminated)
static void	removeFunction(java.lang.String functionName)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

token_source

public ELParserTokenManager token_source

Generated Token Manager.

token

public Token token

Current token.

jj_nt

public Token jj_nt

Next token.

Constructor Detail

ELParser

public ELParser(java.io.InputStream stream)

Constructor with InputStream.

ELParser

public ELParser(java.io.InputStream stream,
                java.lang.String encoding)

Constructor with InputStream and supplied encoding

ELParser

public ELParser(java.io.Reader stream)

Constructor.

ELParser

public ELParser(ELParserTokenManager tm)

Constructor with generated Token Manager.

Method Detail

addUserDefinedFunctions

public static void addUserDefinedFunctions(java.lang.Class classdefinintion)

addConstant

public static void addConstant(java.lang.String key,
                               java.lang.Object value)

addConstants

public static void addConstants(java.util.Map constaints)

getConstantsMap

public static java.util.Map getConstantsMap()

evaluate

public static java.lang.Object evaluate(java.lang.String expression,
                                        ELPropertyResolver elPropertryResolver,
                                        ELContext elContext)
                                 throws ParseException

Throws:

ParseException

getResult

public java.lang.Object getResult()
                           throws ParseException

Throws:

ParseException

removeFunction

public static void removeFunction(java.lang.String functionName)

getFunctionMap

public static java.util.Map<java.lang.String,java.lang.String> getFunctionMap()

getFunctionNames

public static java.util.List<java.lang.String> getFunctionNames()

addFunction

public static void addFunction(java.lang.String functionName,
                               java.lang.String functionClass)

evaluate

public final void evaluate(ELPropertyResolver elPropertryResolver,
                           ELContext elContext)
                    throws ParseException

Throws:

ParseException

expression

public final void expression(boolean terminated)
                      throws ParseException

Throws:

ParseException

orExpression

public final void orExpression(boolean terminated)
                        throws ParseException

Throws:

ParseException

andExpression

public final void andExpression(boolean terminated)
                         throws ParseException

Throws:

ParseException

bitExpression

public final void bitExpression(boolean terminated)
                         throws ParseException

Throws:

ParseException

equalityExpression

public final void equalityExpression(boolean terminated)
                              throws ParseException

Throws:

ParseException

relationalTerm

public final void relationalTerm(boolean terminated)
                          throws ParseException

Throws:

ParseException

relationalExpression

public final void relationalExpression(boolean terminated)
                                throws ParseException

Throws:

ParseException

additionExpression

public final void additionExpression(boolean terminated)
                              throws ParseException

Throws:

ParseException

multiplicationExpression

public final void multiplicationExpression(boolean terminated)
                                    throws ParseException

Throws:

ParseException

exponentiation

public final void exponentiation(boolean terminated)
                          throws ParseException

Throws:

ParseException

negation

public final void negation(boolean terminated)
                    throws ParseException

Throws:

ParseException

element

public final void element(boolean terminated)
                   throws ParseException

Throws:

ParseException

function

public final void function(boolean terminated)
                    throws ParseException

Throws:

ParseException

indexedProperty

public final void indexedProperty(boolean terminated)
                           throws ParseException

Throws:

ParseException

ReInit

public void ReInit(java.io.InputStream stream)

Reinitialise.

ReInit

public void ReInit(java.io.InputStream stream,
                   java.lang.String encoding)

Reinitialise.

ReInit

public void ReInit(java.io.Reader stream)

Reinitialise.

ReInit

public void ReInit(ELParserTokenManager tm)

Reinitialise.

getNextToken

public final Token getNextToken()

Get the next Token.

getToken

public final Token getToken(int index)

Get the specific Token.

generateParseException

public ParseException generateParseException()

Generate ParseException.

enable_tracing

public final void enable_tracing()

Enable tracing.

disable_tracing

public final void disable_tracing()

Disable tracing.