org.richfaces.cdk.templatecompiler.el
Class ELVisitor

java.lang.Object
  org.richfaces.cdk.templatecompiler.el.ELVisitor

All Implemented Interfaces:

JavaStatement, RequireImports, TemplateStatement, TypedTemplateStatement

public final class ELVisitor
extends Object
implements TypedTemplateStatement

Entry point for parsing EL expressions. @see parse() method.

Author:

amarkhel

Field Summary

Fields inherited from interface org.richfaces.cdk.templatecompiler.statements.TemplateStatement

FIELDS_TRANSFORM, METHODS_TRANSFORM

Fields inherited from interface org.richfaces.cdk.templatecompiler.builder.model.RequireImports

IMPORTS_TRANSFORM

Constructor Summary

ELVisitor(org.richfaces.cdk.Logger log, TypesFactory typesFactory)

Method Summary

void	addHelperMethods(HelperMethod helper)
String	coerceToType(String valueString, ELType expectedType)
ITreeNode	determineNodeType(org.jboss.el.parser.Node child) This method determine type of parsed node and create wrapper for them, that extends AbstractTreeNode.
String	getCode()
ELType	getMatchingVisibleMethodReturnType(String methodName, ELType[] parameterTypes)
ELPropertyDescriptor	getPropertyDescriptor(String propertyName)
Iterable<JavaField>	getRequiredFields()
Iterable<JavaImport>	getRequiredImports()
Iterable<HelperMethod>	getRequiredMethods()
ELType	getType()
ELType	getVariable(String name)
boolean	isLiteral()
boolean	isMixedExpression()
void	parse(String expression, Variables contextVariables, ELType expectedType) Parse specified EL expression and return Java code, that represent this expression
void	setExpressionType(ELType variableType)
void	setLiteral(boolean literal)
void	setParent(StatementsContainer parent)

Methods inherited from class java.lang.Object

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

Constructor Detail

ELVisitor

public ELVisitor(org.richfaces.cdk.Logger log,
                 TypesFactory typesFactory)

Method Detail

isMixedExpression

public boolean isMixedExpression()

isLiteral

public boolean isLiteral()

Specified by:

isLiteral in interface TypedTemplateStatement

Returns:

the literal

setLiteral

public void setLiteral(boolean literal)

Parameters:

literal - the literal to set

getType

public ELType getType()

Specified by:

getType in interface TypedTemplateStatement

setExpressionType

public void setExpressionType(ELType variableType)

getVariable

public ELType getVariable(String name)
                   throws ParsingException

Throws:

ParsingException

parse

public void parse(String expression,
                  Variables contextVariables,
                  ELType expectedType)
           throws ParsingException

Parse specified EL expression and return Java code, that represent this expression

Parameters:

expression - - expression to resolve

contextMap - - Map> - context for search classes.

Throws:

ParsingException - - if error occurred during parsing.

coerceToType

public String coerceToType(String valueString,
                           ELType expectedType)

getCode

public String getCode()

Specified by:

getCode in interface JavaStatement

getRequiredImports

public Iterable<JavaImport> getRequiredImports()

Specified by:

getRequiredImports in interface RequireImports

getRequiredFields

public Iterable<JavaField> getRequiredFields()

Specified by:

getRequiredFields in interface TemplateStatement

getRequiredMethods

public Iterable<HelperMethod> getRequiredMethods()

Specified by:

getRequiredMethods in interface TemplateStatement

getMatchingVisibleMethodReturnType

public ELType getMatchingVisibleMethodReturnType(String methodName,
                                                 ELType[] parameterTypes)
                                          throws ParsingException

Throws:

ParsingException

getPropertyDescriptor

public ELPropertyDescriptor getPropertyDescriptor(String propertyName)
                                           throws ParsingException

Throws:

ParsingException

addHelperMethods

public void addHelperMethods(HelperMethod helper)

determineNodeType

public ITreeNode determineNodeType(org.jboss.el.parser.Node child)
                            throws ParsingException

This method determine type of parsed node and create wrapper for them, that extends AbstractTreeNode. If node type is not recognized - throws ParsingException.

Parameters:

child - - parsed node

Returns:

wrapper for parsed node(if node type is recognized), that implement ITreeNode interface.

Throws:

ParsingException - - if node type is not recognized.

setParent

public void setParent(StatementsContainer parent)

Specified by:

setParent in interface TemplateStatement