Clover Coverage Report - Atlassian Trusted Apps(Aggregated)
Coverage timestamp: Tue Jun 9 2009 19:34:44 CDT
Overview   Package   File
    FRAMES   NO FRAMES     
27   78   8   27
10   54   0.3   1
1     8  
1    
 
 
  UIDGenerator       Line # 9 27 8 89.5% 0.8947368
 
  (1)
 
1    package com.atlassian.security.auth.trustedapps;
2   
3    import java.net.InetAddress;
4    import java.security.SecureRandom;
5   
6    /**
7    * Utility class for UID generation.
8    */
 
9    public class UIDGenerator
10    {
11    /**
12    * Generates a a 32 character long unique ID. The generation is based on four components:
13    * - IP address
14    * - current time in milliseconds
15    * - secure random number
16    * - identity hash code of a newly created object
17    */
 
18  2 toggle public static String generateUID()
19    {
20  2 try
21    {
22  2 String strRetVal = "";
23  2 String strTemp = "";
24    // Get IPAddress Segment
25  2 InetAddress addr = InetAddress.getLocalHost();
26   
27  2 byte[] ipaddr = addr.getAddress();
28  10 for (int i=0; i<ipaddr.length; i++)
29    {
30  8 Byte b = new Byte(ipaddr[i]);
31   
32  8 strTemp = Integer.toHexString (b.intValue() & 0x000000ff);
33  14 while (strTemp.length() < 2)
34    {
35  6 strTemp = '0' + strTemp;
36    }
37  8 strRetVal += strTemp;
38    }
39   
40   
41    //Get CurrentTimeMillis() segment
42  2 strTemp = Long.toHexString(System.currentTimeMillis());
43  4 while (strTemp.length () < 12)
44    {
45  2 strTemp = '0' + strTemp;
46    }
47  2 strRetVal += strTemp;
48   
49    //Get Random Segment
50  2 SecureRandom prng = SecureRandom.getInstance("SHA1PRNG");
51   
52  2 strTemp = Integer.toHexString(prng.nextInt());
53  2 while (strTemp.length () < 8)
54    {
55  0 strTemp = '0' + strTemp;
56    }
57   
58  2 strRetVal += strTemp.substring(4);
59   
60    //Get IdentityHash() segment
61  2 strTemp = Long.toHexString(System.identityHashCode(new Object()));
62  4 while (strTemp.length() < 8)
63    {
64  2 strTemp = '0' + strTemp;
65    }
66  2 strRetVal += strTemp;
67  2 return strRetVal.toUpperCase();
68    }
69    catch(java.net.UnknownHostException e)
70    {
71  0 throw new RuntimeException(e);
72    }
73    catch(java.security.NoSuchAlgorithmException e)
74    {
75  0 throw new RuntimeException(e);
76    }
77    }
78    }
 
CloverReport generated by Clover Code Coverage v2.1.0
Tue Jun 9 2009 19:35:00 CDT.		   Clover: Commercial License registered to Atlassian.