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org.apache.commons.ognl
Class OgnlParser

java.lang.Object
  extended by org.apache.commons.ognl.OgnlParser
All Implemented Interfaces:
OgnlParserConstants, OgnlParserTreeConstants
public class OgnlParser
extends Object
implements OgnlParserTreeConstants, OgnlParserConstants

OgnlParser is a JavaCC parser class; it translates OGNL expressions into abstract syntax trees (ASTs) that can then be interpreted by the getValue and setValue methods.

Field Summary
 Token jj_nt
          Next token.
protected  JJTOgnlParserState jjtree
           
 Token token
          Current token.
 OgnlParserTokenManager token_source
          Generated Token Manager.
 
Fields inherited from interface org.apache.commons.ognl.OgnlParserTreeConstants
JJTADD, JJTAND, JJTASSIGN, JJTBITAND, JJTBITNEGATE, JJTBITOR, JJTCHAIN, JJTCONST, JJTCTOR, JJTDIVIDE, JJTEQ, JJTEVAL, JJTGREATER, JJTGREATEREQ, JJTIN, JJTINSTANCEOF, JJTKEYVALUE, JJTLESS, JJTLESSEQ, JJTLIST, JJTMAP, JJTMETHOD, JJTMULTIPLY, JJTNEGATE, jjtNodeName, JJTNOT, JJTNOTEQ, JJTNOTIN, JJTOR, JJTPROJECT, JJTPROPERTY, JJTREMAINDER, JJTROOTVARREF, JJTSELECT, JJTSELECTFIRST, JJTSELECTLAST, JJTSEQUENCE, JJTSHIFTLEFT, JJTSHIFTRIGHT, JJTSTATICFIELD, JJTSTATICMETHOD, JJTSUBTRACT, JJTTEST, JJTTHISVARREF, JJTUNSIGNEDSHIFTRIGHT, JJTVARREF, JJTVOID, JJTXOR
 
Fields inherited from interface org.apache.commons.ognl.OgnlParserConstants
BACK_CHAR_ESC, BACK_CHAR_LITERAL, CHAR_LITERAL, DEC_DIGITS, DEC_FLT, DEFAULT, DIGIT, DYNAMIC_SUBSCRIPT, EOF, ESC, EXPONENT, FLT_LITERAL, FLT_SUFF, IDENT, INT_LITERAL, LETTER, STRING_ESC, STRING_LITERAL, tokenImage, WithinBackCharLiteral, WithinCharLiteral, WithinStringLiteral
 
Constructor Summary
OgnlParser(InputStream stream)
          Constructor with InputStream.
OgnlParser(InputStream stream, String encoding)
          Constructor with InputStream and supplied encoding
OgnlParser(OgnlParserTokenManager tm)
          Constructor with generated Token Manager.
OgnlParser(Reader stream)
          Constructor.
 
Method Summary
 void additiveExpression()
           
 void andExpression()
           
 void assignmentExpression()
           
 String className()
           
 String classReference()
           
 void conditionalTestExpression()
           
 void constructorCall()
           
 void disable_tracing()
          Disable tracing.
 void enable_tracing()
          Enable tracing.
 void equalityExpression()
           
 void exclusiveOrExpression()
           
 void expression()
           
 ParseException generateParseException()
          Generate ParseException.
 Token getNextToken()
          Get the next Token.
 Token getToken(int index)
          Get the specific Token.
 void inclusiveOrExpression()
           
 void index()
           
 void keyValueExpression()
           
 void logicalAndExpression()
           
 void logicalOrExpression()
           
 void methodCall()
           
 void multiplicativeExpression()
           
 void navigationChain()
           
 void primaryExpression()
           
 void projection()
          Apply an expression to all elements of a collection, creating a new collection as the result.
 void propertyName()
           
 void ReInit(InputStream stream)
          Reinitialise.
 void ReInit(InputStream stream, String encoding)
          Reinitialise.
 void ReInit(OgnlParserTokenManager tm)
          Reinitialise.
 void ReInit(Reader stream)
          Reinitialise.
 void relationalExpression()
           
 void selectAll()
          Apply a boolean expression to all elements of a collection, creating a new collection containing those elements for which the expression returned true.
 void selectFirst()
          Apply a boolean expression to all elements of a collection, creating a new collection containing those elements for the first element for which the expression returned true.
 void selection()
           
 void selectLast()
          Apply a boolean expression to all elements of a collection, creating a new collection containing those elements for the first element for which the expression returned true.
 void shiftExpression()
           
 void staticMethodCall(String className)
           
 void staticReference()
           
 Node topLevelExpression()
          This is the top-level construct of OGNL.
 void unaryExpression()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

jjtree

protected JJTOgnlParserState jjtree

token_source

public OgnlParserTokenManager token_source
Generated Token Manager.

token

public Token token
Current token.

jj_nt

public Token jj_nt
Next token.

Constructor Detail

OgnlParser

public OgnlParser(InputStream stream)
Constructor with InputStream.

OgnlParser

public OgnlParser(InputStream stream,
                  String encoding)
Constructor with InputStream and supplied encoding

OgnlParser

public OgnlParser(Reader stream)
Constructor.

OgnlParser

public OgnlParser(OgnlParserTokenManager tm)
Constructor with generated Token Manager.

Method Detail

topLevelExpression

public final Node topLevelExpression()
                              throws ParseException
This is the top-level construct of OGNL.

Throws:
ParseException

expression

public final void expression()
                      throws ParseException
Throws:
ParseException

assignmentExpression

public final void assignmentExpression()
                                throws ParseException
Throws:
ParseException

conditionalTestExpression

public final void conditionalTestExpression()
                                     throws ParseException
Throws:
ParseException

logicalOrExpression

public final void logicalOrExpression()
                               throws ParseException
Throws:
ParseException

logicalAndExpression

public final void logicalAndExpression()
                                throws ParseException
Throws:
ParseException

inclusiveOrExpression

public final void inclusiveOrExpression()
                                 throws ParseException
Throws:
ParseException

exclusiveOrExpression

public final void exclusiveOrExpression()
                                 throws ParseException
Throws:
ParseException

andExpression

public final void andExpression()
                         throws ParseException
Throws:
ParseException

equalityExpression

public final void equalityExpression()
                              throws ParseException
Throws:
ParseException

relationalExpression

public final void relationalExpression()
                                throws ParseException
Throws:
ParseException

shiftExpression

public final void shiftExpression()
                           throws ParseException
Throws:
ParseException

additiveExpression

public final void additiveExpression()
                              throws ParseException
Throws:
ParseException

multiplicativeExpression

public final void multiplicativeExpression()
                                    throws ParseException
Throws:
ParseException

unaryExpression

public final void unaryExpression()
                           throws ParseException
Throws:
ParseException

navigationChain

public final void navigationChain()
                           throws ParseException
Throws:
ParseException

primaryExpression

public final void primaryExpression()
                             throws ParseException
Throws:
ParseException

keyValueExpression

public final void keyValueExpression()
                              throws ParseException
Throws:
ParseException

staticReference

public final void staticReference()
                           throws ParseException
Throws:
ParseException

classReference

public final String classReference()
                            throws ParseException
Throws:
ParseException

className

public final String className()
                       throws ParseException
Throws:
ParseException

constructorCall

public final void constructorCall()
                           throws ParseException
Throws:
ParseException

propertyName

public final void propertyName()
                        throws ParseException
Throws:
ParseException

staticMethodCall

public final void staticMethodCall(String className)
                            throws ParseException
Throws:
ParseException

methodCall

public final void methodCall()
                      throws ParseException
Throws:
ParseException

projection

public final void projection()
                      throws ParseException
Apply an expression to all elements of a collection, creating a new collection as the result.

Throws:
ParseException

selection

public final void selection()
                     throws ParseException
Throws:
ParseException

selectAll

public final void selectAll()
                     throws ParseException
Apply a boolean expression to all elements of a collection, creating a new collection containing those elements for which the expression returned true.

Throws:
ParseException

selectFirst

public final void selectFirst()
                       throws ParseException
Apply a boolean expression to all elements of a collection, creating a new collection containing those elements for the first element for which the expression returned true.

Throws:
ParseException

selectLast

public final void selectLast()
                      throws ParseException
Apply a boolean expression to all elements of a collection, creating a new collection containing those elements for the first element for which the expression returned true.

Throws:
ParseException

index

public final void index()
                 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(OgnlParserTokenManager 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.

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