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1
9 package com.vladium.emma.data;
10
11 import java.io.DataInput  ;
12 import java.io.DataOutput ;
13 import java.io.IOException ;
14 import java.io.Serializable ;
15
16 import com.vladium.util.IConstants;
17 import com.vladium.util.asserts.$assert;
18
19
23 public
24 final class ClassDescriptor implements IConstants, Serializable
25 {
26
28
29 public ClassDescriptor (final String packageVMName, final String name, final long stamp,
30 final String srcFileName,
31 final MethodDescriptor [] methods)
32 {
33 if (packageVMName == null)
34 throw new IllegalArgumentException ("null input: packageVMName");
35 if (name == null)
36 throw new IllegalArgumentException ("null input: name");
37 if (methods == null)
38 throw new IllegalArgumentException ("null input: methods");
39
40 if ($assert.ENABLED)
41 {
42 for (int m = 0; m < methods.length; ++ m)
43 {
44 $assert.ASSERT (methods [m] != null, "methods [" + m + "] = null (length = " + methods.length + ")");
45 }
46 }
47
48 m_packageVMName = packageVMName;
49 m_name = name;
50 m_stamp = stamp;
51 m_srcFileName = srcFileName;
52 m_methods = methods;
54 boolean completeLineNumberInfo = true;
55 for (int m = 0; m < m_methods.length; ++ m)
56 {
57 final MethodDescriptor method = methods [m];
58
59 if (((method.getStatus () & IMetadataConstants.METHOD_NO_BLOCK_DATA) == 0) && ! m_methods [m].hasLineNumberInfo ())
60 {
61 completeLineNumberInfo = false;
62 break;
63 }
64 }
65
66 m_hasCompleteLineNumberInfo = completeLineNumberInfo;
67 }
68
69
70
72 public final boolean equals (final Object rhs)
73 {
74 if (! (rhs instanceof ClassDescriptor)) return false;
75
76 final ClassDescriptor _rhs = (ClassDescriptor) rhs;
77
78 if (hashCode () != _rhs.hashCode ()) return false;
79
80 if (! m_name.equals (_rhs.m_name)) return false;
81 if (! m_packageVMName.equals (_rhs.m_packageVMName)) return false;
82
83 return true;
84 }
85
86 public final int hashCode ()
87 {
88 if (m_hash == 0)
89 {
90 final int hash = m_name.hashCode () + 16661 * m_packageVMName.hashCode ();
91 m_hash = hash;
92
93 return hash;
94 }
95
96 return m_hash;
97 }
98
99
100 public final String getPackageVMName ()
101 {
102 return m_packageVMName;
103 }
104
105 public final String getName ()
106 {
107 return m_name;
108 }
109
110 public final long getStamp ()
111 {
112 return m_stamp;
113 }
114
115 public final String getClassVMName ()
116 {
117 if (m_packageVMName.length () == 0)
119 return m_name;
120 else
121 return new StringBuffer (m_packageVMName).append ("/").append (m_name).toString ();
122 }
123
124 public final String getSrcFileName ()
125 {
126 return m_srcFileName;
127 }
128
129 public final MethodDescriptor [] getMethods ()
130 {
131 return m_methods; }
133
134 public final boolean hasSrcFileInfo ()
135 {
136 return m_srcFileName != null;
137 }
138
139 public final boolean hasCompleteLineNumberInfo ()
140 {
141 return m_hasCompleteLineNumberInfo;
142 }
143
144
145 public String toString ()
146 {
147 return toString ("");
148 }
149
150 public String toString (final String indent)
151 {
152 StringBuffer s = new StringBuffer (indent + "class [" + (m_packageVMName.length () > 0 ? m_packageVMName + "/" : "") + m_name + "] descriptor:");
153
154 for (int m = 0; m < m_methods.length; ++ m)
155 {
156 s.append (EOL);
157 s.append (m_methods [m].toString (indent + INDENT_INCREMENT));
158 }
159
160 return s.toString ();
161 }
162
163
165
167
168 static ClassDescriptor readExternal (final DataInput in)
169 throws IOException
170 {
171 final String packageVMName = in.readUTF ();
172 final String name = in.readUTF ();
173
174 final long stamp = in.readLong ();
175
176 final byte srcFileNameFlag = in.readByte ();
177 final String srcFileName = srcFileNameFlag != 0 ? in.readUTF () : null;
178
179 final int length = in.readInt ();
180 final MethodDescriptor [] methods = new MethodDescriptor [length];
181 for (int i = 0; i < length; ++ i)
182 {
183 methods [i] = MethodDescriptor.readExternal (in);
184 }
185
186 return new ClassDescriptor (packageVMName, name, stamp, srcFileName, methods);
187 }
188
189 static void writeExternal (final ClassDescriptor cls, final DataOutput out)
190 throws IOException
191 {
192 out.writeUTF (cls.m_packageVMName);
193 out.writeUTF (cls.m_name);
194
195 out.writeLong (cls.m_stamp);
196
197 if (cls.m_srcFileName != null)
198 {
199 out.writeByte (1);
200 out.writeUTF (cls.m_srcFileName);
201 }
202 else
203 {
204 out.writeByte (0);
205 }
206
207 final MethodDescriptor [] methods = cls.m_methods;
208 final int length = methods.length;
209 out.writeInt (length);
210 for (int i = 0; i < length; ++ i)
211 {
212 MethodDescriptor.writeExternal (methods [i], out);
213 }
214
215 }
217
218
220
221 private final String m_packageVMName; private final String m_name; private final long m_stamp;
224 private final String m_srcFileName; private final MethodDescriptor [] m_methods;
227 private final boolean m_hasCompleteLineNumberInfo;
228 private transient int m_hash;
229
230 } |
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