1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// **********************************************************************
//
// Copyright (c) 2003-2013 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
import Demo.*;
public class Client extends Ice.Application
{
class ShutdownHook extends Thread
{
public void
run()
{
try
{
communicator().destroy();
}
catch(Ice.LocalException ex)
{
ex.printStackTrace();
}
}
}
private static void
menu()
{
System.out.println(
"\n" +
"usage:\n" +
"1: set properties (batch 1)\n" +
"2: set properties (batch 2)\n" +
"c: show current properties\n" +
"s: shutdown server\n" +
"x: exit\n" +
"?: help\n");
}
private static void
show(Ice.PropertiesAdminPrx admin)
{
java.util.Map<String, String> props = admin.getPropertiesForPrefix("Demo");
System.out.println("Server's current settings:");
for(java.util.Map.Entry<String, String> e : props.entrySet())
{
System.out.println(" " + e.getKey() + "=" + e.getValue());
}
}
public int
run(String[] args)
{
if(args.length > 0)
{
System.err.println(appName() + ": too many arguments");
return 1;
}
//
// Since this is an interactive demo we want to clear the
// Application installed interrupt callback and install our
// own shutdown hook.
//
setInterruptHook(new ShutdownHook());
PropsPrx props = PropsPrxHelper.checkedCast(communicator().propertyToProxy("Props.Proxy"));
if(props == null)
{
System.err.println("invalid proxy");
return 1;
}
Ice.PropertiesAdminPrx admin =
Ice.PropertiesAdminPrxHelper.checkedCast(communicator().propertyToProxy("Admin.Proxy"));
java.util.Map<String, String> batch1 = new java.util.HashMap<String, String>();
batch1.put("Demo.Prop1", "1");
batch1.put("Demo.Prop2", "2");
batch1.put("Demo.Prop3", "3");
java.util.Map<String, String> batch2 = new java.util.HashMap<String, String>();
batch2.put("Demo.Prop1", "10");
batch2.put("Demo.Prop2", ""); // An empty value removes this property
batch2.put("Demo.Prop3", "30");
show(admin);
menu();
java.io.BufferedReader in = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
String line = null;
do
{
try
{
System.out.print("==> ");
System.out.flush();
line = in.readLine();
if(line == null)
{
break;
}
if(line.equals("1") || line.equals("2"))
{
java.util.Map<String, String> dict = line.equals("1") ? batch1 : batch2;
System.out.println("Sending:");
for(java.util.Map.Entry<String, String> e : dict.entrySet())
{
if(e.getKey().startsWith("Demo"))
{
System.out.println(" " + e.getKey() + "=" + e.getValue());
}
}
System.out.println();
admin.setProperties(dict);
System.out.println("Changes:");
java.util.Map<String, String> changes = props.getChanges();
if(changes.isEmpty())
{
System.out.println(" None.");
}
else
{
for(java.util.Map.Entry<String, String> e : changes.entrySet())
{
System.out.print(" " + e.getKey());
if(e.getValue().length() == 0)
{
System.out.println(" was removed");
}
else
{
System.out.println(" is now " + e.getValue());
}
}
}
}
else if(line.equals("c"))
{
show(admin);
}
else if(line.equals("s"))
{
props.shutdown();
}
else if(line.equals("x"))
{
// Nothing to do
}
else if(line.equals("?"))
{
menu();
}
else
{
System.out.println("unknown command `" + line + "'");
menu();
}
}
catch(java.io.IOException ex)
{
ex.printStackTrace();
}
catch(Ice.LocalException ex)
{
ex.printStackTrace();
}
}
while(!line.equals("x"));
return 0;
}
public static void
main(String[] args)
{
Client app = new Client();
int status = app.main("Client", args, "config.client");
System.exit(status);
}
}
|