org.zkoss.zel.impl.lang

Class ExpressionBuilder

java.lang.Object

org.zkoss.zel.impl.lang.ExpressionBuilder

All Implemented Interfaces:

NodeVisitor

public class ExpressionBuilder
extends Object
implements NodeVisitor

Author:

Jacob Hookom [jacob@hookom.net]

Field Summary

Fields

Modifier and Type	Field and Description
protected String	expression
protected FunctionMapper	fnMapper
protected VariableMapper	varMapper

Constructor Summary

Constructors

Constructor and Description
ExpressionBuilder(String expression, ELContext ctx)

Method Summary

Modifier and Type	Method and Description
protected Node	build()
MethodExpression	createMethodExpression(Class<?> expectedReturnType, Class<?>[] expectedParamTypes)
static Node	createNode(String expr)
ValueExpression	createValueExpression(Class<?> expectedType)
void	visit(Node node)

Methods inherited from class java.lang.Object

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

Field Detail

fnMapper

protected FunctionMapper fnMapper

varMapper

protected VariableMapper varMapper

expression

protected String expression

Constructor Detail

ExpressionBuilder

public ExpressionBuilder(String expression,
                         ELContext ctx)
                  throws ELException

Throws:

ELException

Method Detail

createNode

public static final Node createNode(String expr)
                             throws ELException

Throws:

ELException

build

protected Node build()
              throws ELException

Throws:

ELException

visit

public void visit(Node node)
           throws ELException

Specified by:

visit in interface NodeVisitor

Throws:

ELException

createValueExpression

public ValueExpression createValueExpression(Class<?> expectedType)
                                      throws ELException

Throws:

ELException

createMethodExpression

public MethodExpression createMethodExpression(Class<?> expectedReturnType,
                                               Class<?>[] expectedParamTypes)
                                        throws ELException

Throws:

ELException