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/*
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package mosaic;

import java.io.InputStream;
import javafx.data.pull.Event;
import javafx.data.pull.PullParser;
import javafx.data.xml.QName;

/**
 * @author Rakesh Menon
 */

public class PhotoPullParser {
    
    // Error Message (if any)
    public var errorMessage = "";
    
    // Information about all interesting photos
    var photos: Photo[];
    
    // Completion callback that also delivers parsed photo metadata
    public var onDone: function(data : Photo[]) = null;
            
    public function parse(input: InputStream) {
        
        // Parse the input data (Photo Metadata) and construct Photo instance
        def parser = PullParser { 
                    
            input: input 
            
            onEvent: function(event: Event) {
                if (event.type == PullParser.START_ELEMENT) {
                    if(event.qname.name == "photo" and event.level == 2) {
                        def photo = Photo {
                            id:     event.getAttributeValue(QName{name:"id"}) as String;
                            owner:  event.getAttributeValue(QName{name:"owner"}) as String;
                            secret: event.getAttributeValue(QName{name:"secret"}) as String;
                            server: event.getAttributeValue(QName{name:"server"}) as String;
                            farm:   event.getAttributeValue(QName{name:"farm"}) as String;
                            title:  event.getAttributeValue(QName{name:"title"}) as String;
                        } 
                        insert photo into photos;
                    } else if(event.qname.name == "err" and event.level == 1) {
                        errorMessage = event.getAttributeValue(QName{name:"msg"});
                    }
                } else if (event.type == PullParser.END_DOCUMENT) {
                    if (onDone != null) { onDone(photos); }
                }
            }
        }
        
        parser.parse();
    }
}