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Java > Open Source Codes > gcc > rmi > RmiTrace


1 /*
2  * Copyright 2004 The Apache Software Foundation or its licensors, as
3  * applicable.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
14  * implied.
15  *
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  */
19 package gcc.rmi;
20
21 import gcc.*;
22 import gcc.properties.*;
23 import gcc.util.*;
24
25 public class RmiTrace
26 {
27     public static final boolean ENABLED = true;
28     public static final boolean CONNECT = true;
29
30     public RmiTrace()
31     {
32     }
33
34     public static void receive(String host, byte[] data)
35     {
36         dump(formatReceiveHeader(host), data);
37     }
38
39     public static void send(String host, byte[] data)
40     {
41         dump(formatSendHeader(host), data);
42     }
43
44     public static void dump(String header, byte[] data)
45     {
46         traceRmiHeader(header);
47         StringBuffer dataBuffer = new StringBuffer(44);
48         StringBuffer textBuffer = new StringBuffer(20);
49         for (int i = 0; i < data.length; i++)
50         {
51             int d = (data[i] + 0x100) & 0xff;
52             String h = StringUtil.padLeft(Integer.toHexString(d).toUpperCase(), '0', 2);
53             dataBuffer.append(h);
54             if (i % 4 == 3 && i % 20 != 19)
55             {
56                 dataBuffer.append(' ');
57             }
58             char c = (char)d;
59             if (c < 32 || c > 127)
60             {
61                 c = '.';
62             }
63             textBuffer.append(c);
64             if (i % 20 == 19)
65             {
66                 traceRmi(StringUtil.padRight(dataBuffer.toString(), ' ', 44), textBuffer.toString());
67                 dataBuffer.setLength(0);
68                 textBuffer.setLength(0);
69             }
70         }
71         if (dataBuffer.length() != 0)
72         {
73             traceRmi(StringUtil.padRight(dataBuffer.toString(), ' ', 44), textBuffer.toString());
74         }
75     }
76
77     // format methods
78
79     protected static String formatReceiveHeader(String host)
80     {
81         String msg;
82         msg = "RmiTrace.formatReceiveHeader(): host: " + host;
83         return msg;
84     }
85
86     protected static String formatSendHeader(String host)
87     {
88         String msg;
89         msg = "RmiTrace.formatSendHeader(): host: " + host;
90         return msg;
91     }
92
93
94     // log methods
95
96     public static void traceConnect(String endpoint)
97     {
98         System.out.println( "RmiTrace.traceConnect(): endpoint: " + endpoint );
99     }
100
101     public static void traceDisconnect(String endpoint)
102     {
103         System.out.println( "RmiTrace.traceDisconnect(): endpoint: " + endpoint );
104     }
105
106     protected static void traceRmiHeader(String header)
107     {
108         System.out.println( "RmiTrace.traceRmiHeader(): header: " + header );
109     }
110
111     protected static void traceRmi(String data, String text)
112     {
113         System.out.println( "RmiTrace.traceRmi(): data: " + data + ", text: " + text );
114     }
115
116 }
117
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