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/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package testapp.data;

import java.awt.Image;
import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.logging.*;
import javax.imageio.ImageIO;



/**
 *
 * @author sven
 */
public class ImageItem extends Item{
    
    private static final Logger logger = Logger.getLogger(ImageItem.class.getName());
    
    public ImageItem(String url, Item parent) {
        super(url, parent);
        itemType = ItemType.IMAGE;
    }

//    public ImageItem(String url) {
//        super(url);
//        itemType = ItemType.IMAGE;
//    }

    @Override
    public ItemClassification analyse() {
        
        //    if (!url.startsWith("http://") && !url.startsWith("https://") && !url.startsWith("ftp://"))
        //        url="http://"+url;
        doAnalyse();       
        
        try {
        
            // Bild auf Größe abfragen, wenn kleiner als 5x5 Pixel --> Critical
            // Wenn größer und von fremden Server --> Suspicous
            // Wenn lokal, dann ist auch die Größe egal --> Harmless
            logger.log(Level.INFO, this.url.toString());
            URL imgUrl = new URL(this.url);
            logger.log(Level.INFO, imgUrl.toString());
            Image image=null;
            try {
                image = ImageIO.read(imgUrl);
            } catch(Exception exception) {
                logger.log(Level.WARNING, "Couldn't verify image "+imgUrl);
                setClassification(ItemClassification.SUSPICIOUS);
            }

            //System.out.println("Höhe "+image.getHeight(null)+" Breite "+image.getWidth(null));
            if (image != null) {
                if ( (image.getHeight(null) <= 5) && (image.getWidth(null) <= 5) && (itemPlace != ItemPlace.LOCAL) ) {
                    setClassification(ItemClassification.CRITICAL);
                }
                else  if (itemPlace == ItemPlace.REMOTE)
                {
                    setClassification(ItemClassification.SUSPICIOUS);
                }
                else if (itemPlace == ItemPlace.LOCAL)
                {
                    setClassification(ItemClassification.HARMLESS);
                }
            } else {
                setClassification(ItemClassification.UNKNOWN);
            }
        } catch (IOException ex) {
            logger.log(Level.SEVERE, ex.toString());
        }
        
        logger.log(Level.INFO, "Place: " + this.itemPlace);     
        return itemClassification;
   }

    @Override
    protected HashMap<String, String> getAttributes() {
        if (attributes == null) {
            attributes = new HashMap<String,String>();
        }
        attributes.put("shape", "octagon");
        attributes.put("style", "filled");
        attributes.put("fontname", "Verdana");
        attributes.put("fontsize", "10");        
        return attributes;        
    }
    
    @Override
    protected String getGraphNodetext() {
        if (this.filename.compareTo("")!=0)
            return this.filename;
        else
            return this.getUrl();
    }
    
}