added hashCode and compareTo to new URL class

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2301 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/net/URL.java

@@ -222,6 +222,14 @@ public class URL {
                 ((this.port     == other.port    )));
     }
     
+    public int hashCode() {
+        return this.toString().hashCode();
+    }
+    
+    public int compareTo(Object h) {
+        assert (h instanceof URL);
+        return this.toString().compareTo(((URL) h).toString());
+    }
     
     public static void main(String[] args) {
         URL u;