org.inria.ns.reflex.processor.xcl
Class EchoAction

java.lang.Object
  extended by org.inria.ns.reflex.processor.core.AbstractAction
      extended by org.inria.ns.reflex.processor.xcl.EchoAction
All Implemented Interfaces:
Executable, Presentable, NamespaceContextFactory

public class EchoAction
extends AbstractAction

The <xcl:echo> element prints a string to the standard output.

Author:
Philippe Poulard

Nested Class Summary
 
Nested classes/interfaces inherited from class org.inria.ns.reflex.processor.core.AbstractAction
AbstractAction.ParameterAdapter, AbstractAction.UselessAction
 
Field Summary
 
Fields inherited from class org.inria.ns.reflex.processor.core.AbstractAction
actions, parent, processorInstance
 
Constructor Summary
EchoAction(Expression value, Node node, AbstractAction parent)
          Creates a new instance of EchoAction.
 
Method Summary
 void runAction(DataSet dataSet)
          Execute the action by printing a value to the standard output.
static AbstractAction unmarshal(AbstractAction parent, Element element)
          XML unmarshaller for EchoAction.
 
Methods inherited from class org.inria.ns.reflex.processor.core.AbstractAction
addAction, addFallbackAction, createContext, getCanonicalPath, getFallbackAction, getLocalFallbackAction, getLogger, getNamespaceContext, getNode, getParent, recover, recover, removeFallbackAction, reorganize, run, runActions, toPrettyString, toPrettyString, toString
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

EchoAction

public EchoAction(Expression value,
                  Node node,
                  AbstractAction parent)
Creates a new instance of EchoAction.

Parameters:
value - The value to print.
node - The node from which the action has been unmarshalled. Used for namespace prefix resolution when performing XPath expressions.
parent - The action depending from.
Method Detail

unmarshal

public static AbstractAction unmarshal(AbstractAction parent,
                                       Element element)
                                throws XMLException
XML unmarshaller for EchoAction.

Parameters:
parent - The action depending from
element - The XML element to unmarshall.
Returns:
The EchoAction created.
Throws:
UnmarshalException - When the element and its content is not those expected.
XMLException

runAction

public void runAction(DataSet dataSet)
               throws ExecutionException,
                      XPathException
Execute the action by printing a value to the standard output.

Overrides:
runAction in class AbstractAction
Parameters:
dataSet - The set of datas used when the action is running.
Throws:
ExecutionException - If the action can't be performed.
XPathException