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public interface ExpressionAccessor
Provides pure java expression paths to get/set values from an ognl expression. This is achieved by taking an existing
Node
parsed expression and using bytecode enhancements to do the same work using pure java vs the ognl
interpreter.
Method Summary | |
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Object |
get(OgnlContext context,
Object target)
Gets the value represented by this expression path, if any. |
void |
set(OgnlContext context,
Object target,
Object value)
Sets the value represented by this expression path, if possible. |
void |
setExpression(Node expression)
Used to set the original root expression node on instances where the compiled version has to fall back to interpreted syntax because of compilation failures. |
Method Detail |
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Object get(OgnlContext context, Object target)
context
- The standard ognl context used for variable substitution/etc.target
- The root object this expression is meant for.
void set(OgnlContext context, Object target, Object value)
context
- The standard ognl context used for variable substitution/etc.target
- The root object this expression is meant for.value
- The new value to set if this expression references a settable property.void setExpression(Node expression)
expression
- The root expression node used to generate this accessor.
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