/*----------------    FILE HEADER ---------------------------------------
 This file is part of Geoide.
 Copyright (C) 2005-2006 by:
 IDgis B.V.
 http://www.idgis.nl

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

 Contact:

 Herman Assink
 IDgis bv
 P.O. Box 15
 7450 AA Holten
 The Netherlands
 E-Mail: herman.assink@idgis.nl

 * @version 1.4.0
 * @author IDgis team
 * 
 ------------------------------------------------------------------------*/
import nl.idgis.giclient.webserviceconnector.wfsconnector.Operation;
import nl.idgis.giclient.gis.Feature;

class nl.idgis.giclient.webserviceconnector.wfsconnector.Transaction {
    
    private var operations:Array = null;
    
    function Transaction() {
        operations = new Array();
    }
    
    function addOperation(operation:Operation):Void {
        var existingOperation:Operation = getOperation(operation.getFeature());
        if (existingOperation != null) {
            // EXCEPTION
            return;
        }
        
        operations.push(operation);
    }
    
    function getOperations():Array {
        return operations.concat();
    }
    
    function getOperation(feature:Feature):Operation {
        var operation:Operation = null;
        for (var i:String in operations) {
            operation = Operation(operations[i]);
            if (operation.getFeature() == feature) {
                return operation;
            }
        }
        return null;
    }
    
    function toString():String {
        return "Transaction()";
    }
    
    function toXML():String {
        var xml:String = "";
        var operation:Operation = null;
        
        xml += "<wfs:Transaction version=\"1.1.0\" service=\"WFS\"\n";
        xml += "    xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n";
        xml += "    xmlns:ogc=\"http://www.opengis.net/ogc\"\n";
        xml += "    xmlns:wfs=\"http://www.opengis.net/wfs\"\n";
        xml += "    xmlns:gml=\"http://www.opengis.net/gml\"\n";
        xml += "    xmlns:app=\"http://www.deegree.org/app\">\n";
        
        for (var i:Number = 0; i < operations.length; i++) {
            operation = Operation(operations[i]);
            xml += operation.toXML();
        }
        
        xml += "</wfs:Transaction>\n";
        
        return xml;
    }
    
}