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java.lang.Objectorg.jaxen.function.NameFunction
4.1 string name(node-set?)
The name function returns a string containing a QName representing the expanded-name of the node in the argument node-set that is first in document order. The QName must represent the expanded-name with respect to the namespace declarations in effect on the node whose expanded-name is being represented. Typically, this will be the QName that occurred in the XML source....If the argument node-set is empty or the first node has no expanded-name, an empty string is returned. If the argument it omitted, it defaults to a node-set with the context node as its only member.
Constructor Summary | |
NameFunction()
Create a new NameFunction object. |
Method Summary | |
java.lang.Object |
call(Context context,
java.util.List args)
Returns the name of the specified node or the name of the context node if no arguments are provided. |
static java.lang.String |
evaluate(java.util.List list,
Navigator nav)
Returns the name of list.get(0) |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public NameFunction()
NameFunction
object.
Method Detail |
public java.lang.Object call(Context context, java.util.List args) throws FunctionCallException
call
in interface Function
context
- the context at the point in the
expression where the function is calledargs
- a List
containing zero or one items
String
containing the name
FunctionCallException
- if args
has more than one itempublic static java.lang.String evaluate(java.util.List list, Navigator nav) throws FunctionCallException
list.get(0)
list
- a list of nodesnav
- the Navigator
used to retrieve the name
list.get(0)
FunctionCallException
- if list.get(0)
is not a node
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