Package org.apache.commons.ognl

Class ASTSelect

java.lang.Object

org.apache.commons.ognl.SimpleNode

org.apache.commons.ognl.ASTSelect

All Implemented Interfaces:

java.io.Serializable, JavaSource, Node

class ASTSelect
extends SimpleNode

$Id$

Field Summary

Fields inherited from class org.apache.commons.ognl.SimpleNode

children, id, parent, parser

Constructor Summary

Constructors

Constructor	Description
ASTSelect(int id)
ASTSelect(OgnlParser p, int id)

Method Summary

Modifier and Type	Method	Description
<R,P> R	accept(NodeVisitor<? extends R,? super P> visitor, P data)	Supports the Visitor pattern.
protected java.lang.Object	getValueBody(OgnlContext context, java.lang.Object source)	Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.
java.lang.String	toGetSourceString(OgnlContext context, java.lang.Object target)	Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.
java.lang.String	toSetSourceString(OgnlContext context, java.lang.Object target)	Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.

Methods inherited from class org.apache.commons.ognl.SimpleNode

dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, isConstant, isEvalChain, isNodeConstant, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ASTSelect

public ASTSelect(int id)

ASTSelect

public ASTSelect(OgnlParser p,
                 int id)

Method Detail

getValueBody

protected java.lang.Object getValueBody(OgnlContext context,
                                        java.lang.Object source)
                                 throws OgnlException

Description copied from class: SimpleNode

Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.

Specified by:

getValueBody in class SimpleNode

Throws:

OgnlException

toGetSourceString

public java.lang.String toGetSourceString(OgnlContext context,
                                          java.lang.Object target)

Description copied from interface: JavaSource

Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.

Specified by:

toGetSourceString in interface JavaSource

Overrides:

toGetSourceString in class SimpleNode

Returns:

Literal java string representation of an object get.

toSetSourceString

public java.lang.String toSetSourceString(OgnlContext context,
                                          java.lang.Object target)

Description copied from interface: JavaSource

Expected to return a java source representation of itself such that it could be turned into a literal java expression to be compiled and executed for ExpressionAccessor.get(OgnlContext, Object) calls.

Specified by:

toSetSourceString in interface JavaSource

Overrides:

toSetSourceString in class SimpleNode

Returns:

Literal java string representation of an object get.

accept

public <R,P> R accept(NodeVisitor<? extends R,? super P> visitor,
                            P data)
                     throws OgnlException

Description copied from interface: Node

Supports the Visitor pattern. The method which corresponds to the runtime type of this Node will be called.

Type Parameters:

R - The return type of the visitor.visit method.

P - The type of the second parameter type.

Parameters:

visitor - The visitor to accept.

data - The second parameter to pass through to visitor.visit

Returns:

the value returned by visitor.visit

Throws:

OgnlException