= DataOpener =

== Java Interface ==
Probably equal to source:trunk/gnowsis/src/org/gnowsis/data/adapter/CommandExecutor.java

{{{
#!java

/**
 * A DataOpener is a handler, tightly coupled to a DataSource, that
 * knows how to open DataObjects (identified by URI) to be seen by the user.
 * The DataOpener will open a file using the operating system or open an email
 * using an email application or open a KOrganizer address book entry using
 * KOrganizer.
 */

public interface DataOpener {
	
  /**
   * opens the passed DataObject in the application that the user
   * typically would use to access the object.
   * @param uri uri of the resource that should be opened
   * @throws an Exception when something goes wrong.
   * @throws ResourceNotFoundException when the uri does not point 
   * to a known resource, perhaps the resource was deleted?
   */
  public void openDataObject(URI uri) throws
      ResourceNotFoundException, ExecuteException;

}



}}}