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org.apache.commons.ognl
Class ASTStaticField

java.lang.Object
  extended by org.apache.commons.ognl.SimpleNode
      extended by org.apache.commons.ognl.ASTStaticField
All Implemented Interfaces:
Serializable, JavaSource, Node, NodeType
public class ASTStaticField
extends SimpleNode
implements NodeType

$Id: ASTStaticField.java 1198661 2011-11-07 09:14:07Z mcucchiara $

Author:
Luke Blanshard (blanshlu@netscape.net), Drew Davidson (drew@ognl.org)
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.apache.commons.ognl.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTStaticField(int id)
           
ASTStaticField(OgnlParser p, int id)
           
 
Method Summary
<R,P> R
accept(NodeVisitor<? extends R,? super P> visitor, P data)
          Supports the Visitor pattern.
 Class getGetterClass()
          The type returned from the expression - if any.
 Class getSetterClass()
          The type used to set the value - if any.
protected  Object getValueBody(OgnlContext context, Object source)
          Subclasses implement this method to do the actual work of extracting the appropriate value from the source object.
 boolean isNodeConstant(OgnlContext context)
          Returns true iff this node is constant without respect to the children.
 String toGetSourceString(OgnlContext context, 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.
 String toSetSourceString(OgnlContext context, 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, 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

ASTStaticField

public ASTStaticField(int id)

ASTStaticField

public ASTStaticField(OgnlParser p,
                      int id)
Method Detail

getValueBody

protected Object getValueBody(OgnlContext context,
                              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

isNodeConstant

public boolean isNodeConstant(OgnlContext context)
                       throws OgnlException
Description copied from class: SimpleNode
Returns true iff this node is constant without respect to the children.

Overrides:
isNodeConstant in class SimpleNode
Throws:
OgnlException

getGetterClass

public Class getGetterClass()
Description copied from interface: NodeType
The type returned from the expression - if any.

Specified by:
getGetterClass in interface NodeType
Returns:
The type.

getSetterClass

public Class getSetterClass()
Description copied from interface: NodeType
The type used to set the value - if any.

Specified by:
getSetterClass in interface NodeType
Returns:
The type.

toGetSourceString

public String toGetSourceString(OgnlContext context,
                                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 String toSetSourceString(OgnlContext context,
                                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.

Specified by:
accept in interface Node
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
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