1    // Decompiled by Jad v1.5.8c. Copyright 2001 Pavel Kouznetsov. 
2    // Jad home page: http://www.geocities.com/kpdus/jad.html 
3    // Decompiler options: packimports(3)  
4    // Source File Name:   BASE64Encoder.java 
5     
6    package security; 
7     
8    import java.io.IOException; 
9    import java.io.OutputStream; 
10    
11   // Referenced classes of package sun.misc: 
12   //            CharacterEncoder 
13    
14   public class BASE64Encoder 
15           extends CharacterEncoder { 
16    
17       public BASE64Encoder() { 
18       } 
19    
20       protected int bytesPerAtom() { 
21           return 3; 
22       } 
23    
24       protected int bytesPerLine() { 
25           return 57; 
26       } 
27    
28       protected void encodeAtom( 
29               OutputStream outStream, 
30               byte data[], 
31               int offset, 
32               int len) 
33               throws IOException { 
34           if (len == 1) { 
35               byte a = data[offset]; 
36               byte b = 0; 
37               //byte c = 0; 
38               outStream.write( 
39                       pem_array[a >>> 2 & 0x3f]); 
40               outStream.write(pem_array[(a << 4 & 
41                                          0x30) + 
42                                         (b >>> 4 & 
43                                          0xf)]); 
44               outStream.write(61); 
45               outStream.write(61); 
46           } else if (len == 2) { 
47               byte a = data[offset]; 
48               byte b = data[offset + 1]; 
49               byte c = 0; 
50               outStream.write( 
51                       pem_array[a >>> 2 & 0x3f]); 
52               outStream.write(pem_array[(a << 4 & 
53                                          0x30) + 
54                                         (b >>> 4 & 
55                                          0xf)]); 
56               outStream.write(pem_array[(b << 2 & 
57                                          0x3c) + 
58                                         (c >>> 6 & 
59                                          3)]); 
60               outStream.write(61); 
61           } else { 
62               byte a = data[offset]; 
63               byte b = data[offset + 1]; 
64               byte c = data[offset + 2]; 
65               outStream.write( 
66                       pem_array[a >>> 2 & 0x3f]); 
67               outStream.write(pem_array[(a << 4 & 
68                                          0x30) + 
69                                         (b >>> 4 & 
70                                          0xf)]); 
71               outStream.write(pem_array[(b << 2 & 
72                                          0x3c) + 
73                                         (c >>> 6 & 
74                                          3)]); 
75               outStream.write(pem_array[c & 0x3f]); 
76           } 
77       } 
78    
79       private static final char pem_array[] = { 
80           'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 
81           'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 
82           'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 
83           'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 
84           'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 
85           'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', 
86           '8', '9', '+', '/' 
87       }; 
88    
89   } 
90