Package org.zkoss.clientbind

Class ClientBinderResolver

java.lang.Object

org.zkoss.zk.xel.impl.SimpleEvaluator

org.zkoss.bind.impl.BindEvaluatorXImpl

org.zkoss.clientbind.ClientBinderResolver

All Implemented Interfaces:

java.io.Serializable, BindEvaluatorX, Evaluator

public class ClientBinderResolver
extends BindEvaluatorXImpl
implements BindEvaluatorX

A EL resolver for client binder to resolve oid to Bean and uuid to Component, if possible.

Author:

jumperchen

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
ClientBinderResolver(Component view, BindEvaluatorX bindEvaluatorX)

Method Summary

Modifier and Type	Method	Description
java.lang.Object	evaluate(Component comp, Expression expression)	Evaluates the expression.
java.lang.Object	evaluate(Page page, Expression expression)	Evaluates the expression.
java.lang.Class<?>	getType(BindContext ctx, Component comp, ExpressionX expression)	Returns the result type of the specified expression.
java.lang.Object	getValue(BindContext ctx, Component comp, ExpressionX expression)	Sets the specified value to the property resolved from the specified expression.
ValueReference	getValueReference(BindContext ctx, Component comp, ExpressionX expression)	Returns the result reference of the specified expression.
boolean	isReadOnly(BindContext ctx, Component comp, ExpressionX expression)	Returns whether the specified expression a read only expression.
protected XelContext	newXelContext(BindContext ctx, Component comp)
Expression	parseExpression(java.lang.String expression, java.lang.Class expectedType)	Prepares the expression.
ExpressionX	parseExpressionX(BindContext ctx, java.lang.String expression, java.lang.Class<?> expectedType)	Prepares the expressionX.
void	setValue(BindContext ctx, Component comp, ExpressionX expression, java.lang.Object value)	Sets the specified value to the property resolved from the specified expression.

Methods inherited from class org.zkoss.zk.xel.impl.SimpleEvaluator

getExpressionFactory, getExpressionFactoryClass, getFunctionMapper, getVariableResolver, newXelContext

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientBinderResolver

public ClientBinderResolver(Component view,
                            BindEvaluatorX bindEvaluatorX)

Method Detail

parseExpression

public Expression parseExpression(java.lang.String expression,
                                  java.lang.Class expectedType)
                           throws XelException

Description copied from interface: Evaluator

Prepares the expression.

Specified by:

parseExpression in interface Evaluator

Overrides:

parseExpression in class SimpleEvaluator

Parameters:

expression - the expression to be prepared for being evaluated later.

expectedType - the expected type of the result of the evaluation

Throws:

XelException

evaluate

public java.lang.Object evaluate(Page page,
                                 Expression expression)
                          throws XelException

Description copied from interface: Evaluator

Evaluates the expression.

Specified by:

evaluate in interface Evaluator

Overrides:

evaluate in class SimpleEvaluator

Parameters:

page - the page, or null to ignore

Throws:

XelException

evaluate

public java.lang.Object evaluate(Component comp,
                                 Expression expression)
                          throws XelException

Description copied from interface: Evaluator

Evaluates the expression.

Specified by:

evaluate in interface Evaluator

Overrides:

evaluate in class SimpleEvaluator

Parameters:

comp - the component, or null to ignore

Throws:

XelException

parseExpressionX

public ExpressionX parseExpressionX(BindContext ctx,
                                    java.lang.String expression,
                                    java.lang.Class<?> expectedType)
                             throws XelException

Description copied from interface: BindEvaluatorX

Prepares the expressionX.

Specified by:

parseExpressionX in interface BindEvaluatorX

Overrides:

parseExpressionX in class BindEvaluatorXImpl

expression - the expression to be prepared for being evaluated later.

expectedType - the expected type of the result of the evaluation

Throws:

XelException

setValue

public void setValue(BindContext ctx,
                     Component comp,
                     ExpressionX expression,
                     java.lang.Object value)
              throws XelException

Description copied from interface: BindEvaluatorX

Sets the specified value to the property resolved from the specified expression.

Specified by:

setValue in interface BindEvaluatorX

Overrides:

setValue in class BindEvaluatorXImpl

Parameters:

ctx - the scoped bind context of this operation

comp - the scoped component context of this operation

expression - the expression that will resolve a property

value - the value to be set into the resolved property

Throws:

XelException

getValue

public java.lang.Object getValue(BindContext ctx,
                                 Component comp,
                                 ExpressionX expression)
                          throws XelException

Description copied from interface: BindEvaluatorX

Sets the specified value to the property resolved from the specified expression.

Specified by:

getValue in interface BindEvaluatorX

Overrides:

getValue in class BindEvaluatorXImpl

Parameters:

ctx - the scoped bind context of this operation

comp - the scoped component context of this operation

expression - the expression that will resolve a property

Throws:

XelException

getType

public java.lang.Class<?> getType(BindContext ctx,
                                  Component comp,
                                  ExpressionX expression)
                           throws XelException

Description copied from interface: BindEvaluatorX

Returns the result type of the specified expression.

Specified by:

getType in interface BindEvaluatorX

Overrides:

getType in class BindEvaluatorXImpl

Parameters:

ctx - BindContext

comp - evaluation context

expression - the expression that will resolve a property

Throws:

XelException

getValueReference

public ValueReference getValueReference(BindContext ctx,
                                        Component comp,
                                        ExpressionX expression)
                                 throws XelException

Description copied from interface: BindEvaluatorX

Returns the result reference of the specified expression.

Specified by:

getValueReference in interface BindEvaluatorX

Overrides:

getValueReference in class BindEvaluatorXImpl

Parameters:

ctx - BindContext

comp - evaluation context

expression - the expression that will resolve a property

Throws:

XelException

isReadOnly

public boolean isReadOnly(BindContext ctx,
                          Component comp,
                          ExpressionX expression)
                   throws XelException

Description copied from interface: BindEvaluatorX

Returns whether the specified expression a read only expression.

Specified by:

isReadOnly in interface BindEvaluatorX

Overrides:

isReadOnly in class BindEvaluatorXImpl

Parameters:

ctx - BindContext

comp - evaluation context

expression - the expression that will resolve a property

Returns:

whether the specified expression a read only expression.

Throws:

XelException

newXelContext

protected XelContext newXelContext(BindContext ctx,
                                   Component comp)

Overrides:

newXelContext in class BindEvaluatorXImpl