Package ognl
Class ASTConst
java.lang.Object
ognl.SimpleNode
ognl.ASTConst
- All Implemented Interfaces:
Serializable
,JavaSource
,Node
,NodeType
- Author:
- Luke Blanshard (blanshlu@netscape.net), Drew Davidson (drew@ognl.org)
- See Also:
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Field Summary
Fields inherited from class ognl.SimpleNode
_children, _id, _parent, _parser
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionThe type returned from the expression - if any.The type used to set the value - if any.getValue()
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.void
Called from parser actions.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 forExpressionAccessor.get(OgnlContext, Object)
calls.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 forExpressionAccessor.get(OgnlContext, Object)
calls.toString()
Methods inherited from class ognl.SimpleNode
dump, evaluateGetValueBody, evaluateSetValueBody, flattenTree, getAccessor, getIndexInParent, getNextSibling, getValue, isConstant, isNodeSimpleProperty, isSimpleNavigationChain, isSimpleProperty, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, lastChild, setAccessor, setValue, setValueBody, toString
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Constructor Details
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ASTConst
public ASTConst(int id) -
ASTConst
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Method Details
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setValue
Called from parser actions. -
getValue
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getValueBody
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 classSimpleNode
- Throws:
OgnlException
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isNodeConstant
Description copied from class:SimpleNode
Returns true iff this node is constant without respect to the children.- Overrides:
isNodeConstant
in classSimpleNode
- Throws:
OgnlException
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getGetterClass
Description copied from interface:NodeType
The type returned from the expression - if any.- Specified by:
getGetterClass
in interfaceNodeType
- Returns:
- The type.
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getSetterClass
Description copied from interface:NodeType
The type used to set the value - if any.- Specified by:
getSetterClass
in interfaceNodeType
- Returns:
- The type.
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toString
- Overrides:
toString
in classSimpleNode
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toGetSourceString
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 forExpressionAccessor.get(OgnlContext, Object)
calls.- Specified by:
toGetSourceString
in interfaceJavaSource
- Overrides:
toGetSourceString
in classSimpleNode
- Returns:
- Literal java string representation of an object get.
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toSetSourceString
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 forExpressionAccessor.get(OgnlContext, Object)
calls.- Specified by:
toSetSourceString
in interfaceJavaSource
- Overrides:
toSetSourceString
in classSimpleNode
- Returns:
- Literal java string representation of an object get.
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