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
15	public byte[] getImageAsBytes() {
16		return Base64.decode(image, Base64.DEFAULT);
17	}
18
19	public String getFilename() {
20		if (type == null) {
21			return sha1sum;
22		} else if (type.equalsIgnoreCase("image/webp")) {
23			return sha1sum + ".webp";
24		} else if (type.equalsIgnoreCase("image/png")) {
25			return sha1sum + ".png";
26		} else {
27			return sha1sum;
28		}
29	}
30
31	public static Avatar parseMetadata(Element items) {
32		Element item = items.findChild("item");
33		if (item == null) {
34			return null;
35		}
36		Element metadata = item.findChild("metadata");
37		if (metadata == null) {
38			return null;
39		}
40		String primaryId = item.getAttribute("id");
41		if (primaryId == null) {
42			return null;
43		}
44		for (Element child : metadata.getChildren()) {
45			if (child.getName().equals("info")
46					&& primaryId.equals(child.getAttribute("id"))) {
47				Avatar avatar = new Avatar();
48				String height = child.getAttribute("height");
49				String width = child.getAttribute("width");
50				String size = child.getAttribute("bytes");
51				try {
52					if (height != null) {
53						avatar.height = Integer.parseInt(height);
54					}
55					if (width != null) {
56						avatar.width = Integer.parseInt(width);
57					}
58					if (size != null) {
59						avatar.size = Long.parseLong(size);
60					}
61				} catch (NumberFormatException e) {
62					return null;
63				}
64				avatar.type = child.getAttribute("type");
65				avatar.sha1sum = child.getAttribute("id");
66				return avatar;
67			}
68		}
69		return null;
70	}
71}