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Java > Open Source Codes > gnu > bytecode > CpoolClass


1 // Copyright (c) 1997 Per M.A. Bothner.
2 // This is free software; for terms and warranty disclaimer see ./COPYING.
3
4 package gnu.bytecode;
5 import java.io.*;
6
7 /** A CONSTANT_Class entry in the constant pool. */
8
9 public class CpoolClass extends CpoolEntry {
10   CpoolUtf8 name;
11
12   CpoolClass () { }
13
14   CpoolClass (ConstantPool cpool, int hash, CpoolUtf8 n)
15   {
16     super (cpool, hash);
17     name = n;
18   }
19
20   public int getTag() { return ConstantPool.CLASS; }
21
22   public final CpoolUtf8 getName()
23   {
24     return name;
25   }
26
27   /** Get name of the class as a String. */
28   public final String JavaDoc getStringName()
29   {
30     return name.string;
31   }
32
33   /** Get corresponding ObjectType (ClassType or ArrayType). */
34   public final ObjectType getClassType ()
35   {
36     String JavaDoc name = this.name.string;
37     if (name.charAt (0) == '[')
38       return (ObjectType)Type.signatureToType (name);
39     else
40       return ClassType.make (name.replace ('/', '.'));
41   }
42   
43   final static int hashCode (CpoolUtf8 name)
44   {
45     return name.hashCode() ^ 0xF0F;
46   }
47
48   public int hashCode ()
49   {
50     if (hash == 0)
51       hash = hashCode(name);
52     return hash;
53   }
54
55   void write (DataOutputStream dstr) throws java.io.IOException JavaDoc
56   {
57     dstr.writeByte (ConstantPool.CLASS);
58     dstr.writeShort (name.index);
59   }
60
61   public void print (ClassTypeWriter dst, int verbosity)
62   {
63     if (verbosity == 1)
64       dst.print("Class ");
65     else if (verbosity > 1)
66       {
67     dst.print("Class name: ");
68     dst.printOptionalIndex(name);
69       }
70     dst.print(name.string.replace('/', '.'));
71   }
72 }
73
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