ELParser (Apache Tomcat 8.0.15 API Documentation)

java.lang.Object
- org.apache.el.parser.ELParser

All Implemented Interfaces:: ELParserConstants, ELParserTreeConstants

public class ELParser
extends Object
implements ELParserTreeConstants, ELParserConstants

Field Summary

Fields
Modifier and Type	Field and Description
`Token`	`jj_nt` Next token.
`protected JJTELParserState`	`jjtree`
`Token`	`token` Current token.
`ELParserTokenManager`	`token_source` Generated Token Manager.

Fields inherited from interface org.apache.el.parser.ELParserTreeConstants
JJTAND, JJTASSIGN, JJTBRACKETSUFFIX, JJTCHOICE, JJTCOMPOSITEEXPRESSION, JJTCONCATENATION, JJTDEFERREDEXPRESSION, JJTDIV, JJTDOTSUFFIX, JJTDYNAMICEXPRESSION, JJTEMPTY, JJTEQUAL, JJTFALSE, JJTFLOATINGPOINT, JJTFUNCTION, JJTGREATERTHAN, JJTGREATERTHANEQUAL, JJTIDENTIFIER, JJTINTEGER, JJTLAMBDAEXPRESSION, JJTLAMBDAPARAMETERS, JJTLESSTHAN, JJTLESSTHANEQUAL, JJTLISTDATA, JJTLITERALEXPRESSION, JJTMAPDATA, JJTMAPENTRY, JJTMETHODPARAMETERS, JJTMINUS, JJTMOD, JJTMULT, JJTNEGATIVE, jjtNodeName, JJTNOT, JJTNOTEQUAL, JJTNULL, JJTOR, JJTPLUS, JJTSEMICOLON, JJTSETDATA, JJTSTRING, JJTTRUE, JJTVALUE, JJTVOID

Fields inherited from interface org.apache.el.parser.ELParserConstants
AND0, AND1, ARROW, ASSIGN, COLON, COMMA, CONCAT, DEFAULT, DIGIT, DIV0, DIV1, DOT, EMPTY, EOF, EQ0, EQ1, EXPONENT, FALSE, FLOATING_POINT_LITERAL, FUNCTIONSUFFIX, GE0, GE1, GT0, GT1, IDENTIFIER, ILLEGAL_CHARACTER, IMPL_OBJ_START, IN_EXPRESSION, IN_SET_OR_MAP, INSTANCEOF, INTEGER_LITERAL, LBRACK, LE0, LE1, LETTER, LITERAL_EXPRESSION, LPAREN, LT0, LT1, MINUS, MOD0, MOD1, MULT, NE0, NE1, NOT0, NOT1, NULL, OR0, OR1, PLUS, QUESTIONMARK, RBRACE, RBRACK, RPAREN, SEMICOLON, START_DEFERRED_EXPRESSION, START_DYNAMIC_EXPRESSION, START_SET_OR_MAP, STRING_LITERAL, tokenImage, TRUE

Constructor Summary

Constructors
Constructor and Description
`ELParser(ELParserTokenManager tm)` Constructor with generated Token Manager.
`ELParser(InputStream stream)` Constructor with InputStream.
`ELParser(InputStream stream, String encoding)` Constructor with InputStream and supplied encoding
`ELParser(Reader stream)` Constructor.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`And()`
`void`	`Assignment()`
`void`	`Boolean()`
`void`	`BracketSuffix()`
`void`	`Choice()`
`void`	`Compare()`
`AstCompositeExpression`	`CompositeExpression()`
`void`	`Concatenation()`
`void`	`DeferredExpression()`
`void`	`disable_tracing()` Disable tracing.
`void`	`DotSuffix()`
`void`	`DynamicExpression()`
`void`	`enable_tracing()` Enable tracing.
`void`	`Equality()`
`void`	`Expression()`
`void`	`FloatingPoint()`
`void`	`Function()`
`ParseException`	`generateParseException()` Generate ParseException.
`Token`	`getNextToken()` Get the next Token.
`Token`	`getToken(int index)` Get the specific Token.
`void`	`Identifier()`
`void`	`Integer()`
`void`	`LambdaExpression()`
`void`	`LambdaExpressionOrInvocation()`
`void`	`LambdaParameters()`
`void`	`ListData()`
`void`	`Literal()`
`void`	`LiteralExpression()`
`void`	`MapData()`
`void`	`MapEntry()`
`void`	`Math()`
`void`	`MethodParameters()`
`void`	`Multiplication()`
`void`	`NonLiteral()`
`void`	`Null()`
`void`	`Or()`
`static Node`	`parse(String ref)`
`void`	`ReInit(ELParserTokenManager tm)` Reinitialise.
`void`	`ReInit(InputStream stream)` Reinitialise.
`void`	`ReInit(InputStream stream, String encoding)` Reinitialise.
`void`	`ReInit(Reader stream)` Reinitialise.
`void`	`Semicolon()`
`void`	`SetData()`
`void`	`String()`
`void`	`Unary()`
`void`	`Value()`
`void`	`ValuePrefix()`
`void`	`ValueSuffix()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

jjtree
```
protected JJTELParserState jjtree
```

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(InputStream stream)
```
Constructor with InputStream.

ELParser

public ELParser(InputStream stream,
        String encoding)

Constructor with InputStream and supplied encoding

ELParser
```
public ELParser(Reader stream)
```
Constructor.

ELParser
```
public ELParser(ELParserTokenManager tm)
```
Constructor with generated Token Manager.

Method Detail

parse

public static Node parse(String ref)
                  throws ELException

Throws:: ELException

CompositeExpression

public final AstCompositeExpression CompositeExpression()
                                                 throws ParseException

Throws:: ParseException

LiteralExpression

public final void LiteralExpression()
                             throws ParseException

Throws:: ParseException

DeferredExpression

public final void DeferredExpression()
                              throws ParseException

Throws:: ParseException

DynamicExpression

public final void DynamicExpression()
                             throws ParseException

Throws:: ParseException

Expression

public final void Expression()
                      throws ParseException

Throws:: ParseException

Semicolon

public final void Semicolon()
                     throws ParseException

Throws:: ParseException

Assignment

public final void Assignment()
                      throws ParseException

Throws:: ParseException

LambdaExpression

public final void LambdaExpression()
                            throws ParseException

Throws:: ParseException

LambdaParameters

public final void LambdaParameters()
                            throws ParseException

Throws:: ParseException

LambdaExpressionOrInvocation

public final void LambdaExpressionOrInvocation()
                                        throws ParseException

Throws:: ParseException

Choice

public final void Choice()
                  throws ParseException

Throws:: ParseException

Or

public final void Or()
              throws ParseException

Throws:: ParseException

And

public final void And()
               throws ParseException

Throws:: ParseException

Equality

public final void Equality()
                    throws ParseException

Throws:: ParseException

Compare

public final void Compare()
                   throws ParseException

Throws:: ParseException

Concatenation

public final void Concatenation()
                         throws ParseException

Throws:: ParseException

Math

public final void Math()
                throws ParseException

Throws:: ParseException

Multiplication

public final void Multiplication()
                          throws ParseException

Throws:: ParseException

Unary

public final void Unary()
                 throws ParseException

Throws:: ParseException

Value

public final void Value()
                 throws ParseException

Throws:: ParseException

ValuePrefix

public final void ValuePrefix()
                       throws ParseException

Throws:: ParseException

ValueSuffix

public final void ValueSuffix()
                       throws ParseException

Throws:: ParseException

DotSuffix

public final void DotSuffix()
                     throws ParseException

Throws:: ParseException

BracketSuffix

public final void BracketSuffix()
                         throws ParseException

Throws:: ParseException

MethodParameters

public final void MethodParameters()
                            throws ParseException

Throws:: ParseException

NonLiteral

public final void NonLiteral()
                      throws ParseException

Throws:: ParseException

SetData

public final void SetData()
                   throws ParseException

Throws:: ParseException

ListData

public final void ListData()
                    throws ParseException

Throws:: ParseException

MapData

public final void MapData()
                   throws ParseException

Throws:: ParseException

MapEntry

public final void MapEntry()
                    throws ParseException

Throws:: ParseException

Identifier

public final void Identifier()
                      throws ParseException

Throws:: ParseException

Function

public final void Function()
                    throws ParseException

Throws:: ParseException

Literal

public final void Literal()
                   throws ParseException

Throws:: ParseException

Boolean

public final void Boolean()
                   throws ParseException

Throws:: ParseException

FloatingPoint

public final void FloatingPoint()
                         throws ParseException

Throws:: ParseException

Integer

public final void Integer()
                   throws ParseException

Throws:: ParseException

String

public final void String()
                  throws ParseException

Throws:: ParseException

Null

public final void Null()
                throws ParseException

Throws:: ParseException

ReInit

public void ReInit(InputStream stream)

Reinitialise.

ReInit

public void ReInit(InputStream stream,
          String encoding)

Reinitialise.

ReInit
```
public void ReInit(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.

Class ELParser

Field Summary

Fields inherited from interface org.apache.el.parser.ELParserTreeConstants

Fields inherited from interface org.apache.el.parser.ELParserConstants

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

jjtree

token_source

token

jj_nt

Constructor Detail

ELParser

ELParser

ELParser

ELParser

Method Detail

parse

CompositeExpression

LiteralExpression

DeferredExpression

DynamicExpression

Expression

Semicolon

Assignment

LambdaExpression

LambdaParameters

LambdaExpressionOrInvocation

Choice

Or

And

Equality

Compare

Concatenation

Math

Multiplication

Unary

Value

ValuePrefix

ValueSuffix

DotSuffix

BracketSuffix

MethodParameters

NonLiteral

SetData

ListData

MapData

MapEntry

Identifier

Function

Literal

Boolean

FloatingPoint

Integer

String

Null

ReInit

ReInit

ReInit

ReInit

getNextToken

getToken

generateParseException

enable_tracing

disable_tracing