made it an interface so that protocol implementations can treat it as they find fit

src/net/java/sip/communicator/service/protocol/Contact.java

@@ -17,56 +17,27 @@
  *
  * @author Emil Ivov
  */
-public class Contact
+public interface Contact
 {
-    private String address = null;
-    private byte[] image   = null;
-    private Hashtable contactProperties = new Hashtable();
-    private boolean isLocal = false;
-
-    public Contact(String address, boolean isLocal)
-    {
-        this.address = address;
-        this.isLocal = isLocal;
-    }
-
     //address
-
-    public String getAddress()
-    {
-        return address;
-    }
-
-    public void setAddres(String address)
-    {
-        this.address = address;
-    }
+    public String getAddress();
 
     //image
-    public byte[] getImage()
-    {
-        return image;
-    }
-
-    public void setImage(byte[] image)
-    {
-        this.image = image;
-    }
-
-    //properties
-    public void setProperty(String name, Object property)
-    {
-        contactProperties.put(name, property);
-    }
-
-    public Object getProperty(String name)
-    {
-        return contactProperties.get(name);
-    }
+    public byte[] getImage();
 
     //islocal
-    public boolean isLocal()
-    {
-        return isLocal;
-    }
+    public boolean isLocal();
+
+    //getLastReceivedPresenceStatus
+    /**
+     * Returns the status of the contact as per the last status update we've
+     * received for it. Note that this method is not to perform any network
+     * operations and will simply return the status received in the last
+     * status update message. If you want a reliable way of retrieving someone's
+     * status, you should use the <code>queryContactStatus()</code> method in
+     * <code>OperationSetPresence</code>.
+     * @return the PresenceStatus that we've received in the last status update
+     * pertaining to this contact.
+     */
+    public PresenceStatus getPresenceStatus();
 }