summaryrefslogtreecommitdiff
path: root/java/demo/Freeze/phonebook/Parser.java
blob: 1da4beb878306838682ebcd18d9636cac6c1b182 (plain)
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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
// **********************************************************************
//
// Copyright (c) 2001
// ZeroC, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************

class Parser
{
    Parser(Ice.Communicator communicator, PhoneBookPrx phoneBook)
    {
	_communicator = communicator;
	_phoneBook = phoneBook;
    }

    void
    usage()
    {
	System.err.print(
	    "help             Print this message.\n" +
	    "exit, quit       Exit this program.\n" +
	    "add NAMES...     Create new contacts for NAMES in the phonebook.\n" +
	    "find NAME        Find all contacts in the phonebook that match NAME.\n" +
	    "                 Set the current contact to the first one found.\n" +
	    "next             Set the current contact to the next one that was found.\n" +
	    "current          Display the current contact.\n" +
	    "name NAME        Set the name for the current contact to NAME.\n" +
	    "address ADDRESS  Set the address for the current contact to ADDRESS.\n" +
	    "phone PHONE      Set the phone number for the current contact to PHONE.\n" +
	    "remove           Permanently remove the current contact from the phonebook.\n" +
	    "size SIZE        Set the evictor size for contacts to SIZE.\n" +
	    "shutdown         Shut the phonebook server down.\n");
    }

    void
    addContacts(java.util.List args)
    {
	if(args.isEmpty())
	{
	    error("`add' requires at least one argument (type `help' for more info)");
	    return;
	}
	
	try
	{
	    java.util.Iterator p = args.iterator();
	    while(p.hasNext())
	    {
		ContactPrx contact = _phoneBook.createContact();
		String name = (String)p.next();
		contact.setName(name);
		System.out.println("added new contact for `" + name + "'");
	    }
	}
	catch(DatabaseException ex)
	{
	    error(ex.message);
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    findContacts(java.util.List args)
    {
	if(args.size() != 1)
	{
	    error("`find' requires exactly one argument (type `help' for more info)");
	    return;
	}
	
	try
	{
	    String name = (String)args.get(0);
	    _foundContacts = _phoneBook.findContacts(name);
	    _current = 0;
	    System.out.println("number of contacts found: " + _foundContacts.length);
	    printCurrent();
	}
	catch(DatabaseException ex)
	{
	    error(ex.message);
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    nextFoundContact()
    {
	if(_current != _foundContacts.length)
	{
	    ++_current;
	}
	printCurrent();
    }
    
    void
    printCurrent()
    {
	try
	{
	    if(_current != _foundContacts.length)
	    {
		System.out.println("current contact is:" );
		System.out.println("name: " + _foundContacts[_current].getName());
		System.out.println("address: " + _foundContacts[_current].getAddress() );
		System.out.println("phone: " + _foundContacts[_current].getPhone());
	    }
	    else
	    {
		System.out.println("no current contact");
	    }
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    setCurrentName(java.util.List args)
    {
	if(args.size() != 1)
	{
	    error("`name' requires exactly one argument (type `help' for more info)");
	    return;
	}

	try
	{
	    if(_current != _foundContacts.length)
	    {
		String name = (String)args.get(0);
		_foundContacts[_current].setName(name);
		System.out.println("changed name to `" + name + "'");
	    }
	    else
	    {
		System.out.println("no current contact");
	    }
	}
	catch(DatabaseException ex)
	{
	    error(ex.message);
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    setCurrentAddress(java.util.List args)
    {
	if(args.size() != 1)
	{
	    error("`address' requires exactly one argument (type `help' for more info)");
	    return;
	}

	try
	{
	    if(_current != _foundContacts.length)
	    {
		String addr = (String)args.get(0);
		_foundContacts[_current].setAddress(addr);
		System.out.println( "changed address to `" + addr + "'" );
	    }
	    else
	    {
		System.out.println( "no current contact" );
	    }
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    setCurrentPhone(java.util.List args)
    {
	if(args.size() != 1)
	{
	    error("`phone' requires exactly one argument (type `help' for more info)");
	    return;
	}

	try
	{
	    
	    if(_current != _foundContacts.length)
	    {
		String number = (String)args.get(0);
		_foundContacts[_current].setPhone(number);
		System.out.println( "changed phone number to `" + number + "'" );
	    }
	    else
	    {
		System.out.println( "no current contact" );
	    }
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    removeCurrent()
    {
	try
	{
	    if(_current != _foundContacts.length)
	    {
		_foundContacts[_current].destroy();
		System.out.println( "removed current contact" );
	    }
	    else
	    {
		System.out.println( "no current contact" );
	    }
	}
	catch(DatabaseException ex)
	{
	    error(ex.message);
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    setEvictorSize(java.util.List args)
    {
	if(args.size() != 1)
	{
	    error("`size' requires exactly one argument (type `help' for more info)");
	    return;
	}

	String s = (String)args.get(0);
	try
	{
	    _phoneBook.setEvictorSize(Integer.parseInt(s));
	}
	catch(NumberFormatException ex)
	{
	    error("not a number " + s);
	}
	catch(DatabaseException ex)
	{
	    error(ex.message);
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    shutdown()
    {
	try
	{
	    _phoneBook.shutdown();
	}
	catch(Ice.LocalException ex)
	{
	    error(ex.toString());
	}
    }

    void
    error(String s)
    {
	System.err.println("error: " + s);
    }

    void
    warning(String s)
    {
	System.err.println("warning: " + s);
    }

    String
    getInput()
    {
	if(_interactive)
	{
	    System.out.print(">>> ");
	    System.out.flush();
	}

	try
	{
	    return _in.readLine();
	}
	catch(java.io.IOException e)
	{
	    return null;
	}
    }

    int
    parse()
    {
	_foundContacts = new ContactPrx[0];
	_current = 0;

	_in = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
	_interactive = true;

	Grammar g = new Grammar(this);
	g.parse();

	return 0;
    }

    int
    parse(java.io.BufferedReader in)
    {
	_foundContacts = new ContactPrx[0];
	_current = 0;

	_in = in;
	_interactive = false;

	Grammar g = new Grammar(this);
	g.parse();

	return 0;
    }

    private ContactPrx[] _foundContacts;
    private int _current;

    private Ice.Communicator _communicator;
    private PhoneBookPrx _phoneBook;

    private java.io.BufferedReader _in;
    private boolean _interactive;
}