/** * This method retrieves an xml document from the database based on its resource identifier. The * document is returned as a string represnetation of its xml content. * * @param collection The name of the collection to look for the document. * @param resourceId The resource identifier of the document to be retrieved. * @param username The identifier of the user calling the method used for authentication. * @param password The password of the user calling the method used for authentication. * @return The xml document retrieved as a String. */ public String retrieveDocumentAsXmlString( String collection, String resourceId, String username, String password) { String res = null; res = InputOutputHandler.parseDOMAsXMLString( this.retrieveDocument(collection, resourceId, username, password)); return res; }