Package org.jaxen.expr
Class DefaultPathExpr
- java.lang.Object
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- org.jaxen.expr.DefaultExpr
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- org.jaxen.expr.DefaultPathExpr
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class DefaultPathExpr extends DefaultExpr implements PathExpr
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Field Summary
Fields Modifier and Type Field Description private Expr
filterExpr
private LocationPath
locationPath
private static long
serialVersionUID
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Constructor Summary
Constructors Constructor Description DefaultPathExpr(Expr filterExpr, LocationPath locationPath)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
evaluate(Context context)
Evaluate the expression in the given context, and return the result.Expr
getFilterExpr()
Returns the filter expression that starts the path expression.LocationPath
getLocationPath()
Returns the location path part of this path expression.java.lang.String
getText()
Returns a String containing the XPath expression.void
setFilterExpr(Expr filterExpr)
Changes the expression's filter expression.Expr
simplify()
Simplifies the XPath expression.java.lang.String
toString()
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Methods inherited from class org.jaxen.expr.DefaultExpr
convertToIterator, convertToList
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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filterExpr
private Expr filterExpr
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locationPath
private LocationPath locationPath
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Constructor Detail
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DefaultPathExpr
DefaultPathExpr(Expr filterExpr, LocationPath locationPath)
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Method Detail
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getFilterExpr
public Expr getFilterExpr()
Description copied from interface:PathExpr
Returns the filter expression that starts the path expression.- Specified by:
getFilterExpr
in interfacePathExpr
- Returns:
- the filter expression that starts the path expression
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setFilterExpr
public void setFilterExpr(Expr filterExpr)
Description copied from interface:PathExpr
Changes the expression's filter expression.- Specified by:
setFilterExpr
in interfacePathExpr
- Parameters:
filterExpr
- the new filter expression
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getLocationPath
public LocationPath getLocationPath()
Description copied from interface:PathExpr
Returns the location path part of this path expression.- Specified by:
getLocationPath
in interfacePathExpr
- Returns:
- the location path part of this expression
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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getText
public java.lang.String getText()
Description copied from interface:Expr
Returns a String containing the XPath expression.
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simplify
public Expr simplify()
Description copied from interface:Expr
Simplifies the XPath expression. For example, the expression//para[1 = 1]
could be simplified to//para
. In practice, this is usually a noop. Jaxen does not currently perform any simplification.- Specified by:
simplify
in interfaceExpr
- Overrides:
simplify
in classDefaultExpr
- Returns:
- the simplified expression
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evaluate
public java.lang.Object evaluate(Context context) throws JaxenException
Description copied from interface:Expr
Evaluate the expression in the given context, and return the result. The result will be ajava.lang.Double
for expressions that return a number, ajava.lang.String
for expressions that return a string, ajava.lang.Boolean
for expressions that return a boolean, and ajava.util.List
for expressions that return a node-set. In the latter case, the elements of the list are the actual objects from the source document model. Copies are not made.- Specified by:
evaluate
in interfaceExpr
- Parameters:
context
- the context in which the expression is evaluated- Returns:
- an object representing the result of the evaluation
- Throws:
JaxenException
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