1package eu.siacs.conversations.xmpp.pep;
 2
 3import eu.siacs.conversations.xml.Element;
 4import android.util.Base64;
 5
 6public class Avatar {
 7	public String type;
 8	public String sha1sum;
 9	public String image;
10	public int height;
11	public int width;
12	public long size;
13	public String owner;
14	public byte[] getImageAsBytes() {
15		return Base64.decode(image, Base64.DEFAULT);
16	}
17	public String getFilename() {
18		if (type==null) {
19			return sha1sum;
20		} else if (type.equalsIgnoreCase("image/webp")) {
21			return sha1sum+".webp";
22		} else if (type.equalsIgnoreCase("image/png")) {
23			return sha1sum+".png";
24		} else {
25			return sha1sum;
26		}
27	}
28	
29	public static Avatar parseMetadata(Element items) {
30		Element item = items.findChild("item");
31		if (item==null) {
32			return null;
33		}
34		Element metadata = item.findChild("metadata");
35		if (metadata==null) {
36			return null;
37		}
38		String primaryId = item.getAttribute("id");
39		if (primaryId==null) {
40			return null;
41		}
42		for(Element child : metadata.getChildren()) {
43			if (child.getName().equals("info") && primaryId.equals(child.getAttribute("id"))) {
44				Avatar avatar = new Avatar();
45				String height = child.getAttribute("height");
46				String width = child.getAttribute("width");
47				String size = child.getAttribute("bytes");
48				try {
49					if (height!=null) {
50						avatar.height = Integer.parseInt(height);
51					}
52					if (width!=null) {
53						avatar.width = Integer.parseInt(width);
54					}
55					if (size!=null) {
56						avatar.size = Long.parseLong(size);
57					}
58				} catch (NumberFormatException e) {
59					return null;
60				}
61				avatar.type = child.getAttribute("type");
62				avatar.sha1sum = child.getAttribute("id");
63				return avatar;
64			}
65		}
66		return null;
67	}
68}