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  • Committer: edam
  • Date: 2009-01-10 16:14:11 UTC
  • Revision ID: edam@waxworlds.org-20090110161411-4d17l9hs9d6j277q
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src/org/waxworlds/importcontacts/Importer.java
1
 
/*
2
 
 * Importer.java
3
 
 *
4
 
 * Copyright (C) 2009 to 2011 Tim Marston <edam@waxworlds.org>
5
 
 *
6
 
 * This file is part of the Import Contacts program (hereafter referred
7
 
 * to as "this program"). For more information, see
8
 
 * http://www.waxworlds.org/edam/software/android/import-contacts
9
 
 *
10
 
 * This program is free software: you can redistribute it and/or modify
11
 
 * it under the terms of the GNU General Public License as published by
12
 
 * the Free Software Foundation, either version 3 of the License, or
13
 
 * (at your option) any later version.
14
 
 *
15
 
 * This program is distributed in the hope that it will be useful,
16
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 
 * GNU General Public License for more details.
19
 
 *
20
 
 * You should have received a copy of the GNU General Public License
21
 
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
 
 */
23
 
 
24
 
package org.waxworlds.edam.importcontacts;
 
1
package org.waxworlds.importcontacts;
25
2
 
26
3
import java.util.HashMap;
 
4
import java.util.HashSet;
27
5
import java.util.Iterator;
28
6
import java.util.Set;
29
7
import java.util.regex.Matcher;
32
10
import android.content.ContentUris;
33
11
import android.content.ContentValues;
34
12
import android.content.SharedPreferences;
 
13
import android.database.Cursor;
35
14
import android.net.Uri;
36
15
import android.os.Message;
37
16
import android.provider.Contacts;
38
17
 
39
 
 
40
18
public class Importer extends Thread
41
19
{
42
 
        public final static int ACTION_ABORT = 1;
43
 
        public final static int ACTION_ALLDONE = 2;
 
20
        public final static int MESSAGE_FINISHED = 0;
 
21
        public final static int MESSAGE_FINISHED_BACK = 1;
 
22
        public final static int MESSAGE_ERROR = 2;
 
23
        public final static int MESSAGE_CONTINUEORABORT = 3;
 
24
        public final static int MESSAGE_SETPROGRESSMESSAGE = 4;
 
25
        public final static int MESSAGE_SETMAXPROGRESS = 5;
 
26
        public final static int MESSAGE_SETTMPPROGRESS = 6;
 
27
        public final static int MESSAGE_SETPROGRESS = 7;
 
28
        public final static int MESSAGE_MERGEPROMPT = 8;
 
29
        public final static int MESSAGE_CONTACTOVERWRITTEN = 9;
 
30
        public final static int MESSAGE_CONTACTCREATED = 10;
 
31
        public final static int MESSAGE_CONTACTMERGED = 11;
 
32
        public final static int MESSAGE_CONTACTSKIPPED = 12;
44
33
 
45
34
        public final static int RESPONSE_NEGATIVE = 0;
46
35
        public final static int RESPONSE_POSITIVE = 1;
50
39
 
51
40
        private Doit _doit;
52
41
        private int _response;
53
 
        private int _response_extra;
54
 
        private int _merge_setting;
55
 
        private int _last_merge_decision;
 
42
        private int _responseExtra;
 
43
        private HashMap< String, Long > _contacts;
 
44
        private HashMap< Long, HashSet< String > > _contactNumbers;
 
45
        private HashMap< Long, HashSet< String > > _contactEmails;
 
46
        private int _mergeSetting;
 
47
        private int _lastMergeDecision;
56
48
        private boolean _abort = false;
57
 
        private boolean _is_finished = false;
58
 
        private ContactsCache _contacts_cache = null;
59
49
 
60
 
        /**
61
 
         * Data about a contact
62
 
         */
63
50
        public class ContactData
64
51
        {
65
 
                class TypeDetail
66
 
                {
67
 
                        protected int _type;
68
 
 
69
 
                        public TypeDetail( int type )
70
 
                        {
71
 
                                _type = type;
72
 
                        }
73
 
 
74
 
                        public int getType()
75
 
                        {
76
 
                                return _type;
77
 
                        }
78
 
                }
79
 
 
80
 
                class PreferredDetail extends TypeDetail
81
 
                {
82
 
                        protected boolean _is_preferred;
83
 
 
84
 
                        public PreferredDetail( int type, boolean is_preferred )
85
 
                        {
86
 
                                super( type );
87
 
                                _is_preferred = is_preferred;
88
 
                        }
89
 
 
90
 
                        public boolean isPreferred()
91
 
                        {
92
 
                                return _is_preferred;
93
 
                        }
94
 
                }
95
 
 
96
 
                class ExtraDetail extends PreferredDetail
97
 
                {
98
 
                        protected String _extra;
99
 
 
100
 
                        public ExtraDetail( int type, boolean is_preferred, String extra )
101
 
                        {
102
 
                                super( type, is_preferred );
103
 
 
104
 
                                if( extra != null ) extra = extra.trim();
105
 
                                _extra = extra;
106
 
                        }
107
 
 
108
 
                        public String getExtra()
109
 
                        {
110
 
                                return _extra;
111
 
                        }
112
 
 
113
 
                        public void setExtra( String extra )
114
 
                        {
115
 
                                if( extra != null ) extra = extra.trim();
116
 
                                _extra = extra;
117
 
                        }
118
 
                }
119
 
 
120
 
                @SuppressWarnings("serial")
121
 
                protected class ContactNotIdentifiableException extends Exception
122
 
                {
123
 
                }
124
 
 
125
 
                protected String _name = null;
126
 
                protected String _primary_organisation = null;
127
 
                protected boolean _primary_organisation_is_preferred = false;
128
 
                protected String _primary_number = null;
129
 
                protected boolean _primary_number_is_preferred = false;
130
 
                protected String _primary_email = null;
131
 
                protected boolean _primary_email_is_preferred = false;
132
 
                protected HashMap< String, ExtraDetail > _organisations = null;
133
 
                protected HashMap< String, PreferredDetail > _numbers = null;
134
 
                protected HashMap< String, PreferredDetail > _emails = null;
135
 
                protected HashMap< String, TypeDetail > _addresses = null;
136
 
 
137
 
                private ContactsCache.CacheIdentifier _cache_identifier = null;
 
52
                class PhoneData
 
53
                {
 
54
                        public String _number;
 
55
                        public int _type;
 
56
                        public boolean _isPreferred;
 
57
 
 
58
                        public PhoneData( String number, int type, boolean isPreferred ) {
 
59
                                _number = number;
 
60
                                _type = type;
 
61
                                _isPreferred = isPreferred;
 
62
                        }
 
63
 
 
64
                        public String getNumber() {
 
65
                                return _number;
 
66
                        }
 
67
 
 
68
                        public int getType() {
 
69
                                return _type;
 
70
                        }
 
71
 
 
72
                        public boolean isPreferred() {
 
73
                                return _isPreferred;
 
74
                        }
 
75
                }
 
76
 
 
77
                class EmailData
 
78
                {
 
79
                        private String _email;
 
80
                        public int _type;
 
81
                        private boolean _isPreferred;
 
82
 
 
83
                        public EmailData( String email, int type, boolean isPreferred ) {
 
84
                                _email = email;
 
85
                                _type = type;
 
86
                                _isPreferred = isPreferred;
 
87
                        }
 
88
 
 
89
                        public String getAddress() {
 
90
                                return _email;
 
91
                        }
 
92
 
 
93
                        public int getType() {
 
94
                                return _type;
 
95
                        }
 
96
 
 
97
                        public boolean isPreferred() {
 
98
                                return _isPreferred;
 
99
                        }
 
100
                }
 
101
 
 
102
                public String _name = null;
 
103
                public HashMap< String, PhoneData > _phones = null;
 
104
                public HashMap< String, EmailData > _emails = null;
138
105
 
139
106
                protected void setName( String name )
140
107
                {
141
108
                        _name = name;
142
109
                }
143
110
 
144
 
                public boolean hasName()
145
 
                {
146
 
                        return _name != null;
147
 
                }
148
 
 
149
111
                public String getName()
150
112
                {
151
113
                        return _name;
152
114
                }
153
115
 
154
 
                protected void addOrganisation( String organisation, String title,
155
 
                        boolean is_preferred )
156
 
                {
157
 
                        organisation = organisation.trim();
158
 
                        if( organisation.length() <= 0 )
159
 
                        {
160
 
                                // TODO: warn that an imported organisation is being ignored
161
 
                                return;
162
 
                        }
163
 
 
164
 
                        if( title != null ) {
165
 
                                title = title.trim();
166
 
                                if( title.length() <= 0 ) title = null;
167
 
                        }
168
 
 
169
 
                        // add the organisation, as non-preferred (we prefer only one
170
 
                        // organisation in finalise() after they're all imported)
171
 
                        if( _organisations == null )
172
 
                                _organisations = new HashMap< String, ExtraDetail >();
173
 
                        if( !_organisations.containsKey( organisation ) )
174
 
                                _organisations.put( organisation,
175
 
                                        new ExtraDetail( 0, false, title ) );
176
 
 
177
 
                        // if this is the first organisation added, or it's a preferred
178
 
                        // organisation and a previous organisation wasn't, then remember
179
 
                        // that this is the "primary organisation".
180
 
                        if( _primary_organisation == null ||
181
 
                                ( is_preferred && !_primary_organisation_is_preferred ) )
182
 
                        {
183
 
                                _primary_organisation = organisation;
184
 
                                _primary_organisation_is_preferred = is_preferred;
185
 
                        }
186
 
                }
187
 
 
188
 
                public boolean hasOrganisations()
189
 
                {
190
 
                        return _organisations != null && _organisations.size() > 0;
191
 
                }
192
 
 
193
 
                public HashMap< String, ExtraDetail > getOrganisations()
194
 
                {
195
 
                        return _organisations;
196
 
                }
197
 
 
198
 
                public boolean hasPrimaryOrganisation()
199
 
                {
200
 
                        return _primary_organisation != null;
201
 
                }
202
 
 
203
 
                public String getPrimaryOrganisation()
204
 
                {
205
 
                        return _primary_organisation;
206
 
                }
207
 
 
208
 
                protected void addNumber( String number, int type,
209
 
                        boolean is_preferred )
210
 
                {
211
 
                        number = sanitisePhoneNumber( number );
212
 
                        if( number == null )
213
 
                        {
214
 
                                // TODO: warn that an imported phone number is being ignored
215
 
                                return;
216
 
                        }
217
 
 
218
 
                        // add the number, as non-preferred (we prefer only one number
219
 
                        // in finalise() after they're all imported)
220
 
                        if( _numbers == null )
221
 
                                _numbers = new HashMap< String, PreferredDetail >();
222
 
                        if( !_numbers.containsKey( number ) )
223
 
                                _numbers.put( number,
224
 
                                        new PreferredDetail( type, false ) );
225
 
 
226
 
                        // if this is the first number added, or it's a preferred number
227
 
                        // and a previous number wasn't, then remember that this is the
228
 
                        // "primary number".
229
 
                        if( _primary_number == null ||
230
 
                                ( is_preferred && !_primary_number_is_preferred ) )
231
 
                        {
232
 
                                _primary_number = number;
233
 
                                _primary_number_is_preferred = is_preferred;
234
 
                        }
235
 
                }
236
 
 
237
 
                public boolean hasNumbers()
238
 
                {
239
 
                        return _numbers != null && _numbers.size() > 0;
240
 
                }
241
 
 
242
 
                public HashMap< String, PreferredDetail > getNumbers()
243
 
                {
244
 
                        return _numbers;
245
 
                }
246
 
 
247
 
                public boolean hasPrimaryNumber()
248
 
                {
249
 
                        return _primary_number != null;
250
 
                }
251
 
 
252
 
                public String getPrimaryNumber()
253
 
                {
254
 
                        return _primary_number;
255
 
                }
256
 
 
257
 
                protected void addEmail( String email, int type, boolean is_preferred )
258
 
                {
259
 
 
260
 
                        email = sanitisesEmailAddress( email );
261
 
                        if( email == null )
262
 
                        {
263
 
                                // TODO: warn that an imported email addtrss is being ignored
264
 
                                return;
265
 
                        }
266
 
 
267
 
                        // add the email, as non-preferred (we prefer only one email in
268
 
                        // finalise() after they're all imported)
269
 
                        if( _emails == null )
270
 
                                _emails = new HashMap< String, PreferredDetail >();
 
116
                protected void addPhone( String number, int type, boolean isPreferred )
 
117
                {
 
118
                        if( _phones == null ) _phones = new HashMap< String, PhoneData >();
 
119
                        if( !_phones.containsKey( number ) )
 
120
                                _phones.put( number,
 
121
                                                new PhoneData( number, type, isPreferred ) );
 
122
                }
 
123
 
 
124
                protected void addEmail( String email, int type, boolean isPreferred )
 
125
                {
 
126
                        if( _emails == null ) _emails = new HashMap< String, EmailData >();
271
127
                        if( !_emails.containsKey( email ) )
272
 
                                _emails.put( email, new PreferredDetail( type, false ) );
273
 
 
274
 
                        // if this is the first email added, or it's a preferred email
275
 
                        // and a previous email wasn't, then remember that this is the
276
 
                        // "primary email".
277
 
                        if( _primary_email == null ||
278
 
                                ( is_preferred && !_primary_email_is_preferred ) )
279
 
                        {
280
 
                                _primary_email = email;
281
 
                                _primary_email_is_preferred = is_preferred;
282
 
                        }
283
 
                }
284
 
 
285
 
                public boolean hasEmails()
286
 
                {
287
 
                        return _emails != null && _emails.size() > 0;
288
 
                }
289
 
 
290
 
                public HashMap< String, PreferredDetail > getEmails()
291
 
                {
292
 
                        return _emails;
293
 
                }
294
 
 
295
 
                public boolean hasPrimaryEmail()
296
 
                {
297
 
                        return _primary_email != null;
298
 
                }
299
 
 
300
 
                public String getPrimaryEmail()
301
 
                {
302
 
                        return _primary_email;
303
 
                }
304
 
 
305
 
                protected void addAddress( String address, int type )
306
 
                {
307
 
                        address = address.trim();
308
 
                        if( address.length() <= 0 )
309
 
                        {
310
 
                                // TODO: warn that an imported address is being ignored
311
 
                                return;
312
 
                        }
313
 
 
314
 
                        if( _addresses == null ) _addresses =
315
 
                                new HashMap< String, TypeDetail >();
316
 
                        if( !_addresses.containsKey( address ) )
317
 
                                _addresses.put( address, new TypeDetail( type ) );
318
 
                }
319
 
 
320
 
                public boolean hasAddresses()
321
 
                {
322
 
                        return _addresses != null && _addresses.size() > 0;
323
 
                }
324
 
 
325
 
                public HashMap< String, TypeDetail > getAddresses()
326
 
                {
327
 
                        return _addresses;
328
 
                }
329
 
 
330
 
                protected void finalise()
331
 
                        throws ContactNotIdentifiableException
332
 
                {
333
 
                        // ensure that if there is a primary number, it is preferred so
334
 
                        // that there is always one preferred number. Android will assign
335
 
                        // preference to one anyway so we might as well decide one sensibly.
336
 
                        if( _primary_number != null ) {
337
 
                                PreferredDetail data = _numbers.get( _primary_number );
338
 
                                _numbers.put( _primary_number,
339
 
                                        new PreferredDetail( data.getType(), true ) );
340
 
                        }
341
 
 
342
 
                        // do the same for the primary email
343
 
                        if( _primary_email != null ) {
344
 
                                PreferredDetail data = _emails.get( _primary_email );
345
 
                                _emails.put( _primary_email,
346
 
                                        new PreferredDetail( data.getType(), true ) );
347
 
                        }
348
 
 
349
 
                        // do the same for the primary organisation
350
 
                        if( _primary_organisation != null ) {
351
 
                                ExtraDetail data = _organisations.get( _primary_organisation );
352
 
                                _organisations.put( _primary_organisation,
353
 
                                        new ExtraDetail( 0, true, data.getExtra() ) );
354
 
                        }
355
 
 
356
 
                        // create a cache identifier from this contact data, which can be
357
 
                        // used to look-up an existing contact
358
 
                        _cache_identifier = ContactsCache.createIdentifier( this );
359
 
                        if( _cache_identifier == null )
360
 
                                throw new ContactNotIdentifiableException();
361
 
                }
362
 
 
363
 
                public ContactsCache.CacheIdentifier getCacheIdentifier()
364
 
                {
365
 
                        return _cache_identifier;
366
 
                }
367
 
 
368
 
                private String sanitisePhoneNumber( String number )
369
 
                {
370
 
                        number = number.trim();
371
 
                        Pattern p = Pattern.compile( "^[-\\(\\) \\+0-9#*]+" );
372
 
                        Matcher m = p.matcher( number );
373
 
                        if( m.lookingAt() ) return m.group( 0 );
374
 
                        return null;
375
 
                }
376
 
 
377
 
                private String sanitisesEmailAddress( String email )
378
 
                {
379
 
                        email = email.trim();
380
 
                        Pattern p = Pattern.compile(
381
 
                                "^[^ @]+@[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?(\\.[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?)+$" );
382
 
                        Matcher m = p.matcher( email );
383
 
                        if( m.matches() ) {
384
 
                                String[] bits = email.split( "@" );
385
 
                                return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase();
386
 
                        }
387
 
                        return null;
 
128
                                _emails.put( email, new EmailData( email, type, isPreferred ) );
388
129
                }
389
130
        }
390
131
 
391
 
        @SuppressWarnings("serial")
392
132
        protected class AbortImportException extends Exception { };
393
133
 
394
134
        public Importer( Doit doit )
396
136
                _doit = doit;
397
137
 
398
138
                SharedPreferences prefs = getSharedPreferences();
399
 
                _merge_setting = prefs.getInt( "merge_setting", Doit.ACTION_PROMPT );
 
139
                _mergeSetting = prefs.getInt( "merge_setting", 0 );
400
140
        }
401
141
 
402
142
        @Override
404
144
        {
405
145
                try
406
146
                {
407
 
                        // update UI
408
 
                        setProgressMessage( R.string.doit_caching );
409
 
 
410
 
                        // build a cache of existing contacts
411
 
                        _contacts_cache = new ContactsCache();
412
 
                        _contacts_cache.buildCache( _doit );
 
147
                        // cache current contact names
 
148
                        buildContactsCache();
413
149
 
414
150
                        // do the import
415
151
                        onImport();
416
152
 
417
153
                        // done!
418
 
                        finish( ACTION_ALLDONE );
 
154
                        finish();
419
155
                }
420
156
                catch( AbortImportException e )
421
157
                {}
422
 
 
423
 
                // flag as finished to prevent interrupts
424
 
                setIsFinished();
425
 
        }
426
 
 
427
 
        synchronized private void setIsFinished()
428
 
        {
429
 
                _is_finished = true;
430
158
        }
431
159
 
432
160
        protected void onImport() throws AbortImportException
443
171
                wake( response, RESPONSEEXTRA_NONE );
444
172
        }
445
173
 
446
 
        synchronized public void wake( int response, int response_extra )
 
174
        synchronized public void wake( int response, int responseExtra )
447
175
        {
448
176
                _response = response;
449
 
                _response_extra = response_extra;
 
177
                _responseExtra = responseExtra;
450
178
                notify();
451
179
        }
452
180
 
453
 
        synchronized public boolean setAbort()
 
181
        synchronized public void setAbort()
454
182
        {
455
 
                if( !_is_finished && !_abort ) {
456
 
                        _abort = true;
457
 
                        notify();
458
 
                        return true;
459
 
                }
460
 
                return false;
 
183
                _abort = true;
461
184
        }
462
185
 
463
186
        protected SharedPreferences getSharedPreferences()
475
198
        {
476
199
                checkAbort();
477
200
                _doit._handler.sendMessage( Message.obtain(
478
 
                        _doit._handler, Doit.MESSAGE_ERROR, message ) );
 
201
                                _doit._handler, MESSAGE_ERROR, message ) );
479
202
                try {
480
203
                        wait();
481
204
                }
482
205
                catch( InterruptedException e ) { }
483
 
 
484
 
                // no need to check if an abortion happened during the wait, we are
485
 
                // about to finish anyway!
486
 
                finish( ACTION_ABORT );
 
206
                finish( true );
487
207
        }
488
208
 
489
209
        protected void showFatalError( int res ) throws AbortImportException
496
216
        {
497
217
                checkAbort();
498
218
                _doit._handler.sendMessage( Message.obtain(
499
 
                        _doit._handler, Doit.MESSAGE_ERROR, message ) );
 
219
                                _doit._handler, MESSAGE_ERROR, message ) );
500
220
                try {
501
221
                        wait();
502
222
                }
503
223
                catch( InterruptedException e ) { }
504
 
 
505
 
                // no need to check if an abortion happened during the wait, we are
506
 
                // about to finish anyway!
507
 
                finish( ACTION_ABORT );
 
224
                finish( false );
508
225
        }
509
226
 
510
227
        protected boolean showContinue( int res ) throws AbortImportException
517
234
        {
518
235
                checkAbort();
519
236
                _doit._handler.sendMessage( Message.obtain(
520
 
                        _doit._handler, Doit.MESSAGE_CONTINUEORABORT, message ) );
 
237
                                _doit._handler, MESSAGE_CONTINUEORABORT, message ) );
521
238
                try {
522
239
                        wait();
523
240
                }
524
241
                catch( InterruptedException e ) { }
525
 
 
526
 
                // check if an abortion happened during the wait
527
 
                checkAbort();
528
 
 
529
242
                return _response == RESPONSE_POSITIVE;
530
243
        }
531
244
 
533
246
        {
534
247
                checkAbort();
535
248
                _doit._handler.sendMessage( Message.obtain( _doit._handler,
536
 
                        Doit.MESSAGE_SETPROGRESSMESSAGE, getText( res ) ) );
 
249
                                MESSAGE_SETPROGRESSMESSAGE, getText( res ) ) );
537
250
        }
538
251
 
539
 
        protected void setProgressMax( int max_progress )
 
252
        protected void setProgressMax( int maxProgress )
540
253
                        throws AbortImportException
541
254
        {
542
255
                checkAbort();
543
256
                _doit._handler.sendMessage( Message.obtain(
544
 
                        _doit._handler, Doit.MESSAGE_SETMAXPROGRESS,
545
 
                        new Integer( max_progress ) ) );
 
257
                                _doit._handler, MESSAGE_SETMAXPROGRESS,
 
258
                                new Integer( maxProgress ) ) );
546
259
        }
547
260
 
548
 
        protected void setTmpProgress( int tmp_progress )
549
 
                throws AbortImportException
 
261
        protected void setTmpProgress( int tmpProgress ) throws AbortImportException
550
262
        {
551
263
                checkAbort();
552
264
                _doit._handler.sendMessage( Message.obtain(
553
 
                        _doit._handler, Doit.MESSAGE_SETTMPPROGRESS,
554
 
                        new Integer( tmp_progress ) ) );
 
265
                                _doit._handler, MESSAGE_SETTMPPROGRESS,
 
266
                                new Integer( tmpProgress ) ) );
555
267
        }
556
268
 
557
269
        protected void setProgress( int progress ) throws AbortImportException
558
270
        {
559
271
                checkAbort();
560
272
                _doit._handler.sendMessage( Message.obtain(
561
 
                        _doit._handler, Doit.MESSAGE_SETPROGRESS,
562
 
                        new Integer( progress ) ) );
563
 
        }
564
 
 
565
 
        protected void finish( int action ) throws AbortImportException
566
 
        {
567
 
                // update UI to reflect action
568
 
                int message;
569
 
                switch( action )
570
 
                {
571
 
                case ACTION_ALLDONE:    message = Doit.MESSAGE_ALLDONE; break;
572
 
                default:        // fall through
573
 
                case ACTION_ABORT:              message = Doit.MESSAGE_ABORT; break;
574
 
                }
575
 
                _doit._handler.sendEmptyMessage( message );
576
 
 
577
 
                // stop
578
 
                throw new AbortImportException();
 
273
                                _doit._handler, MESSAGE_SETPROGRESS,
 
274
                                new Integer( progress ) ) );
 
275
        }
 
276
 
 
277
        protected void finish() throws AbortImportException
 
278
        {
 
279
                finish( false );
 
280
        }
 
281
 
 
282
        protected void abort() throws AbortImportException
 
283
        {
 
284
                finish( true );
579
285
        }
580
286
 
581
287
        protected CharSequence getText( int res )
583
289
                return _doit.getText( res );
584
290
        }
585
291
 
586
 
        synchronized private boolean checkForDuplicate(
587
 
                ContactsCache.CacheIdentifier cache_identifier, int merge_setting )
588
 
                throws AbortImportException
 
292
        protected boolean isImportRequired( String name )
 
293
                        throws AbortImportException
589
294
        {
590
 
                _last_merge_decision = merge_setting;
 
295
                checkAbort();
 
296
                return isImportRequired( name, _mergeSetting );
 
297
        }
591
298
 
592
 
                // it is ok to use contact.getCacheIdentifier(). The contact has already
593
 
                // been finalised, which means a valid cache identifier will have been
594
 
                // created for it (or it would have been skipped)
 
299
        synchronized private boolean isImportRequired( String name, int mergeSetting )
 
300
        {
 
301
                _lastMergeDecision = mergeSetting;
595
302
 
596
303
                // handle special cases
597
 
                switch( merge_setting )
 
304
                switch( mergeSetting )
598
305
                {
599
 
                case Doit.ACTION_KEEP:
 
306
                case R.id.merge_keep:
600
307
                        // if we keep contacts on duplicate, we better check for one
601
 
                        return !_contacts_cache.canLookup( cache_identifier );
 
308
                        return !_contacts.containsKey( name );
602
309
 
603
 
                case Doit.ACTION_PROMPT:
604
 
                        // if we are prompting on duplicate, we better check for one and if
605
 
                        // the contact doesn'te exist, we want to import it
606
 
                        if( !_contacts_cache.canLookup( cache_identifier ) )
 
310
                case R.id.merge_prompt:
 
311
                        // if we are prompting on duplicate, we better check for one
 
312
                        if( !_contacts.containsKey( name ) )
607
313
                                return true;
608
314
 
609
315
                        // ok, it exists, so do prompt
610
 
                        _doit._handler.sendMessage( Message.obtain( _doit._handler,
611
 
                                Doit.MESSAGE_MERGEPROMPT, cache_identifier.getDetail() ) );
 
316
                        _doit._handler.sendMessage( Message.obtain(
 
317
                                        _doit._handler, MESSAGE_MERGEPROMPT, name ) );
612
318
                        try {
613
319
                                wait();
614
320
                        }
615
321
                        catch( InterruptedException e ) { }
616
322
 
617
 
                        // check if an abortion happened during the wait
618
 
                        checkAbort();
619
 
 
620
 
                        // if "always" was selected, make choice permanent
621
 
                        if( _response_extra == RESPONSEEXTRA_ALWAYS )
622
 
                                _merge_setting = _response;
623
 
 
624
 
                        // recurse, with our new merge setting
625
 
                        return checkForDuplicate( cache_identifier, _response );
 
323
                        // if "always" was selected, make choice permenant
 
324
                        if( _responseExtra == RESPONSEEXTRA_ALWAYS )
 
325
                                _mergeSetting = _response;
 
326
 
 
327
                        // recurse, with out new merge setting
 
328
                        return isImportRequired( name, _response );
626
329
                }
627
330
 
628
331
                // for all other cases (either overwriting or merging) we will need the
633
336
        protected void skipContact() throws AbortImportException
634
337
        {
635
338
                checkAbort();
636
 
                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTSKIPPED );
 
339
                _doit._handler.sendEmptyMessage( MESSAGE_CONTACTSKIPPED );
637
340
        }
638
341
 
639
342
        protected void importContact( ContactData contact )
641
344
        {
642
345
                checkAbort();
643
346
 
644
 
                // It is expected that we use contact.getCacheIdentifier() here. The
645
 
                // contact we are passed should have been successfully finalise()d,
646
 
                // which includes generating a valid cache identifier.
647
 
                ContactsCache.CacheIdentifier cache_identifier =
648
 
                        contact.getCacheIdentifier();
649
 
 
650
 
                // check to see if this contact is a duplicate and should be skipped
651
 
                if( !checkForDuplicate( cache_identifier, _merge_setting ) ) {
652
 
                        skipContact();
653
 
                        return;
654
 
                }
655
 
 
656
 
//              if( !showContinue( "====[ IMPORTING ]====\n: " + contact._name ) )
657
 
//                      finish( ACTION_ABORT );
658
 
 
659
 
                // keep track of whether we've informed the UI of what we're doing
660
 
                boolean ui_informed = false;
661
 
 
662
 
                // attempt to lookup the id of an existing contact in the cache with
663
 
                // this contact data's cache identifier
664
 
                Long id = (Long)_contacts_cache.lookup( cache_identifier );
 
347
                if( !showContinue( "====[ IMPORTING ]====\n: " + contact._name ) )
 
348
                        abort();
 
349
 
 
350
                ContentValues values = new ContentValues();
 
351
                boolean uiInformed = false;
665
352
 
666
353
                // does contact exist already?
667
 
                if( id != null )
 
354
                Uri contactUri = null;
 
355
                Long id;
 
356
                if( ( id = (Long)_contacts.get( contact._name ) ) != null )
668
357
                {
669
358
                        // should we skip this import altogether?
670
 
                        if( _last_merge_decision == Doit.ACTION_KEEP ) return;
 
359
                        if( _lastMergeDecision == R.id.merge_keep ) return;
671
360
 
672
361
                        // get contact's URI
673
 
                        Uri contact_uri = ContentUris.withAppendedId(
674
 
                                Contacts.People.CONTENT_URI, id );
 
362
                        contactUri = ContentUris.withAppendedId(
 
363
                                        Contacts.People.CONTENT_URI, id );
675
364
 
676
365
                        // should we destroy the existing contact before importing?
677
 
                        if( _last_merge_decision == Doit.ACTION_OVERWRITE )
678
 
                        {
679
 
                                // remove from device
680
 
                                _doit.getContentResolver().delete( contact_uri, null, null );
 
366
                        if( _lastMergeDecision == R.id.merge_overwrite ) {
 
367
                                _doit.getContentResolver().delete( contactUri, null, null );
 
368
                                contactUri = null;
 
369
 
 
370
                                // upate the UI
 
371
                                _doit._handler.sendEmptyMessage( MESSAGE_CONTACTOVERWRITTEN );
 
372
                                uiInformed = true;
681
373
 
682
374
                                // update cache
683
 
                                _contacts_cache.removeLookup( contact.getCacheIdentifier() );
684
 
                                _contacts_cache.removeAssociatedData( id );
685
 
 
686
 
                                // show that we're overwriting a contact
687
 
                                _doit._handler.sendEmptyMessage(
688
 
                                                Doit.MESSAGE_CONTACTOVERWRITTEN );
689
 
                                ui_informed = true;
690
 
 
691
 
                                // discard the contact id
692
 
                                id = null;
 
375
                                _contacts.remove( contact._name );
693
376
                        }
694
377
                }
695
378
 
696
 
                // if we don't have a contact id yet (or if we did, but we destroyed it
697
 
                // when we deleted the contact), we'll have to create a new contact
698
 
                if( id == null )
 
379
                // if we don't have a contact URI it is because the contact never
 
380
                // existed or because we deleted it
 
381
                if( contactUri == null )
699
382
                {
700
383
                        // create a new contact
701
 
                        ContentValues values = new ContentValues();
702
384
                        values.put( Contacts.People.NAME, contact._name );
703
 
                        Uri contact_uri = _doit.getContentResolver().insert(
704
 
                                Contacts.People.CONTENT_URI, values );
705
 
                        id = ContentUris.parseId( contact_uri );
706
 
                        if( id == null || id <= 0 )
707
 
                                showError( R.string.error_unabletoaddcontact );
 
385
                        contactUri = _doit.getContentResolver().insert(
 
386
                                        Contacts.People.CONTENT_URI, values );
 
387
                        id = ContentUris.parseId( contactUri );
 
388
                        if( id <= 0 ) return;   // shouldn't happen!
708
389
 
709
 
                        // try to add them to the "My Contacts" group
710
 
                        try {
711
 
                                Contacts.People.addToMyContactsGroup(
712
 
                                        _doit.getContentResolver(), id );
713
 
                        }
714
 
                        catch( IllegalStateException e ) {
715
 
                                // ignore any failure
716
 
                        }
 
390
                        // add them to the "My Contacts" group
 
391
                        Contacts.People.addToGroup(
 
392
                                        _doit.getContentResolver(), id,
 
393
                                        Contacts.Groups.GROUP_MY_CONTACTS );
717
394
 
718
395
                        // update cache
719
 
                        _contacts_cache.addLookup(
720
 
                                ContactsCache.createIdentifier( contact ), id );
 
396
                        _contacts.put( contact._name, id );
721
397
 
722
 
                        // if we haven't already shown that we're overwriting a contact,
723
 
                        // show that we're creating a new contact
724
 
                        if( !ui_informed ) {
725
 
                                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTCREATED );
726
 
                                ui_informed = true;
 
398
                        // update UI
 
399
                        if( !uiInformed ) {
 
400
                                _doit._handler.sendEmptyMessage( MESSAGE_CONTACTCREATED );
 
401
                                uiInformed = true;
727
402
                        }
728
403
                }
729
404
 
730
 
                // if we haven't already shown that we're overwriting or creating a
731
 
                // contact, show that we're merging a contact
732
 
                if( !ui_informed )
733
 
                        _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTMERGED );
 
405
                // update UI
 
406
                if( !uiInformed )
 
407
                        _doit._handler.sendEmptyMessage( MESSAGE_CONTACTMERGED );
734
408
 
735
409
                // import contact parts
736
 
                if( contact.hasNumbers() )
737
 
                        importContactPhones( id, contact.getNumbers() );
738
 
                if( contact.hasEmails() )
739
 
                        importContactEmails( id, contact.getEmails() );
740
 
                if( contact.hasAddresses() )
741
 
                        importContactAddresses( id, contact.getAddresses() );
742
 
                if( contact.hasOrganisations() )
743
 
                        importContactOrganisations( id, contact.getOrganisations() );
 
410
                if( contact._phones != null )
 
411
                        importContactPhones( contactUri, contact._phones );
 
412
                if( contact._emails != null )
 
413
                        importContactEmails( contactUri, contact._emails );
744
414
        }
745
415
 
746
 
        private void importContactPhones( Long id,
747
 
                        HashMap< String, ContactData.PreferredDetail > datas )
 
416
        private void importContactPhones( Uri contactUri,
 
417
                        HashMap< String, ContactData.PhoneData > phones )
748
418
        {
749
 
                // get URI to contact's phones
750
 
                Uri contact_phones_uri = Uri.withAppendedPath(
751
 
                        ContentUris.withAppendedId( Contacts.People.CONTENT_URI, id ),
752
 
                        Contacts.People.Phones.CONTENT_DIRECTORY );
753
 
                Set< String > datas_keys = datas.keySet();
 
419
                Long contactId = ContentUris.parseId( contactUri );
 
420
                Uri contactPhonesUri = Uri.withAppendedPath( contactUri,
 
421
                                Contacts.People.Phones.CONTENT_DIRECTORY );
754
422
 
755
423
                // add phone numbers
756
 
                Iterator< String > i = datas_keys.iterator();
 
424
                Set phonesKeys = phones.keySet();
 
425
                Iterator i = phonesKeys.iterator();
757
426
                while( i.hasNext() ) {
758
 
                        String number = i.next();
759
 
                        ContactData.PreferredDetail data = datas.get( number );
 
427
                        ContactData.PhoneData phone = phones.get( i.next() );
760
428
 
761
429
                        // we don't want to add this number if it's crap, or it already
762
430
                        // exists (which would cause a duplicate to be created). We don't
765
433
                        // if the number exists at all, it doesn't need importing. Because
766
434
                        // of this, we also can't update the cache (which we don't need to
767
435
                        // anyway, so it's not a problem).
768
 
                        if( _contacts_cache.hasAssociatedNumber( id, number ) )
769
 
                                continue;
 
436
                        String number = sanitisePhoneNumber( phone._number );
 
437
                        if( number == null ) continue;
 
438
                        HashSet< String > numbers = _contactNumbers.get( contactId );
 
439
                        if( numbers != null && numbers.contains( number ) ) continue;
770
440
 
771
441
                        // add phone number
772
442
                        ContentValues values = new ContentValues();
773
 
                        values.put( Contacts.Phones.TYPE, data.getType() );
774
 
                        values.put( Contacts.Phones.NUMBER, number );
775
 
                        if( data.isPreferred() )
776
 
                                values.put( Contacts.Phones.ISPRIMARY, 1 );
777
 
                        _doit.getContentResolver().insert( contact_phones_uri, values );
778
 
 
779
 
                        // and add this address to the cache to prevent a addition of
780
 
                        // duplicate date from another file
781
 
                        _contacts_cache.addAssociatedNumber( id, number );
 
443
                        values.put( Contacts.Phones.TYPE, phone._type );
 
444
                        values.put( Contacts.Phones.NUMBER, phone._number );
 
445
                        if( phone._isPreferred ) values.put( Contacts.Phones.ISPRIMARY, 1 );
 
446
                        _doit.getContentResolver().insert( contactPhonesUri, values );
782
447
                }
783
448
        }
784
449
 
785
 
        private void importContactEmails( Long id,
786
 
                        HashMap< String, ContactData.PreferredDetail > datas )
 
450
        private void importContactEmails( Uri contactUri,
 
451
                        HashMap< String, ContactData.EmailData > emails )
787
452
        {
788
 
                // get URI to contact's contact methods
789
 
                Uri contact_contact_methods_uri = Uri.withAppendedPath(
790
 
                        ContentUris.withAppendedId( Contacts.People.CONTENT_URI, id ),
791
 
                        Contacts.People.ContactMethods.CONTENT_DIRECTORY );
792
 
                Set< String > datas_keys = datas.keySet();
 
453
                Long contactId = ContentUris.parseId( contactUri );
 
454
                Uri contactContactMethodsUri = Uri.withAppendedPath( contactUri,
 
455
                                Contacts.People.ContactMethods.CONTENT_DIRECTORY );
793
456
 
794
 
                // add email addresses
795
 
                Iterator< String > i = datas_keys.iterator();
 
457
                // add phone numbers
 
458
                Set emailsKeys = emails.keySet();
 
459
                Iterator i = emailsKeys.iterator();
796
460
                while( i.hasNext() ) {
797
 
                        String email = i.next();
798
 
                        ContactData.PreferredDetail data = datas.get( email );
 
461
                        ContactData.EmailData email = emails.get( i.next() );
799
462
 
800
 
                        // we don't want to add this email address if it exists already or
801
 
                        // we would introduce duplicates.
802
 
                        if( _contacts_cache.hasAssociatedEmail( id, email ) )
803
 
                                continue;
 
463
                        // like with phone numbers, we don't want to add this email address
 
464
                        // if it exists already or we would introduce duplicates.
 
465
                        String address = sanitiseEmailAddress( email.getAddress() );
 
466
                        if( address == null ) continue;
 
467
                        HashSet< String > addresses = _contactEmails.get( contactId );
 
468
                        if( addresses != null && addresses.contains( address ) ) continue;
804
469
 
805
470
                        // add phone number
806
471
                        ContentValues values = new ContentValues();
807
472
                        values.put( Contacts.ContactMethods.KIND, Contacts.KIND_EMAIL );
808
 
                        values.put( Contacts.ContactMethods.DATA, email );
809
 
                        values.put( Contacts.ContactMethods.TYPE, data.getType() );
810
 
                        if( data.isPreferred() )
 
473
                        values.put( Contacts.ContactMethods.DATA, email.getAddress() );
 
474
                        values.put( Contacts.ContactMethods.TYPE, email.getType() );
 
475
                        if( email.isPreferred() )
811
476
                                values.put( Contacts.ContactMethods.ISPRIMARY, 1 );
812
 
                        _doit.getContentResolver().insert( contact_contact_methods_uri,
813
 
                                values );
814
 
 
815
 
                        // and add this address to the cache to prevent a addition of
816
 
                        // duplicate date from another file
817
 
                        _contacts_cache.addAssociatedEmail( id, email );
818
 
                }
819
 
        }
820
 
 
821
 
        private void importContactAddresses( Long id,
822
 
                HashMap< String, ContactData.TypeDetail > datas )
823
 
        {
824
 
                // get URI to contact's contact methods
825
 
                Uri contact_contact_methods_uri = Uri.withAppendedPath(
826
 
                        ContentUris.withAppendedId( Contacts.People.CONTENT_URI, id ),
827
 
                        Contacts.People.ContactMethods.CONTENT_DIRECTORY );
828
 
 
829
 
                // add addresses
830
 
                Set< String > datas_keys = datas.keySet();
831
 
                Iterator< String > i = datas_keys.iterator();
832
 
                while( i.hasNext() ) {
833
 
                        String address = i.next();
834
 
                        ContactData.TypeDetail data = datas.get( address );
835
 
 
836
 
                        // we don't want to add this address if it exists already or we
837
 
                        // would introduce duplicates
838
 
                        if( _contacts_cache.hasAssociatedAddress( id, address ) )
839
 
                                continue;
840
 
 
841
 
                        // add postal address
842
 
                        ContentValues values = new ContentValues();
843
 
                        values.put( Contacts.ContactMethods.KIND, Contacts.KIND_POSTAL );
844
 
                        values.put( Contacts.ContactMethods.DATA, address );
845
 
                        values.put( Contacts.ContactMethods.TYPE, data.getType() );
846
 
                        _doit.getContentResolver().insert( contact_contact_methods_uri,
847
 
                                values );
848
 
 
849
 
                        // and add this address to the cache to prevent a addition of
850
 
                        // duplicate date from another file
851
 
                        _contacts_cache.addAssociatedAddress( id, address );
852
 
                }
853
 
        }
854
 
 
855
 
        private void importContactOrganisations( Long id,
856
 
                HashMap< String, ContactData.ExtraDetail > datas )
857
 
        {
858
 
                // add addresses
859
 
                Set< String > datas_keys = datas.keySet();
860
 
                Iterator< String > i = datas_keys.iterator();
861
 
                while( i.hasNext() ) {
862
 
                        String organisation = i.next();
863
 
                        ContactData.ExtraDetail data = datas.get( organisation );
864
 
 
865
 
                        // we don't want to add this address if it exists already or we
866
 
                        // would introduce duplicates
867
 
                        if( _contacts_cache.hasAssociatedOrganisation( id, organisation ) )
868
 
                                continue;
869
 
 
870
 
                        // add organisation address
871
 
                        ContentValues values = new ContentValues();
872
 
                        values.put( Contacts.Organizations.PERSON_ID, id );
873
 
                        values.put( Contacts.Organizations.COMPANY, organisation );
874
 
                        values.put( Contacts.ContactMethods.TYPE,
875
 
                                Contacts.OrganizationColumns.TYPE_WORK );
876
 
                        if( data.getExtra() != null )
877
 
                                values.put( Contacts.Organizations.TITLE, data.getExtra() );
878
 
                        _doit.getContentResolver().insert(
879
 
                                Contacts.Organizations.CONTENT_URI, values );
880
 
 
881
 
                        // and add this address to the cache to prevent a addition of
882
 
                        // duplicate date from another file
883
 
                        _contacts_cache.addAssociatedOrganisation( id, organisation );
884
 
                }
885
 
        }
886
 
 
887
 
        synchronized protected void checkAbort() throws AbortImportException
 
477
                        _doit.getContentResolver().insert( contactContactMethodsUri,
 
478
                                        values );
 
479
                }
 
480
        }
 
481
 
 
482
        synchronized private void finish( boolean offerBack )
 
483
                        throws AbortImportException
 
484
        {
 
485
                // notify Doit that we're finished
 
486
                _doit._handler.sendEmptyMessage(
 
487
                                offerBack? MESSAGE_FINISHED_BACK : MESSAGE_FINISHED );
 
488
 
 
489
                // stop
 
490
                throw new AbortImportException();
 
491
        }
 
492
 
 
493
        synchronized private void checkAbort() throws AbortImportException
888
494
        {
889
495
                if( _abort ) {
890
496
                        // stop
891
497
                        throw new AbortImportException();
892
498
                }
893
499
        }
 
500
 
 
501
        private void buildContactsCache() throws AbortImportException
 
502
        {
 
503
                // update UI
 
504
                setProgressMessage( R.string.doit_caching );
 
505
 
 
506
                String[] cols;
 
507
                Cursor cur;
 
508
 
 
509
                // init contacts caches
 
510
                _contacts = new HashMap< String, Long >();
 
511
                _contactNumbers = new HashMap< Long, HashSet< String > >();
 
512
                _contactEmails = new HashMap< Long, HashSet< String > >();
 
513
 
 
514
                // query and store map of contact names to ids
 
515
                cols = new String[] { Contacts.People._ID, Contacts.People.NAME };
 
516
                cur = _doit.managedQuery( Contacts.People.CONTENT_URI,
 
517
                                cols, null, null, null);
 
518
                if( cur.moveToFirst() ) {
 
519
                        int idCol = cur.getColumnIndex( Contacts.People._ID );
 
520
                        int nameCol = cur.getColumnIndex( Contacts.People.NAME );
 
521
                        do {
 
522
                                _contacts.put( cur.getString( nameCol ), cur.getLong( idCol ) );
 
523
                        } while( cur.moveToNext() );
 
524
                }
 
525
 
 
526
                // query and store map of contact ids to sets of phone numbers
 
527
                cols = new String[] { Contacts.Phones.PERSON_ID,
 
528
                                Contacts.Phones.NUMBER };
 
529
                cur = _doit.managedQuery( Contacts.Phones.CONTENT_URI,
 
530
                                cols, null, null, null);
 
531
                if( cur.moveToFirst() ) {
 
532
                        int personIdCol = cur.getColumnIndex( Contacts.Phones.PERSON_ID );
 
533
                        int numberCol = cur.getColumnIndex( Contacts.Phones.NUMBER );
 
534
                        do {
 
535
                                Long id = cur.getLong( personIdCol );
 
536
                                String number = sanitisePhoneNumber(
 
537
                                                cur.getString( numberCol ) );
 
538
                                if( number != null ) {
 
539
                                        HashSet< String > numbers = _contactNumbers.get( id );
 
540
                                        if( numbers == null ) {
 
541
                                                _contactNumbers.put( id, new HashSet< String >() );
 
542
                                                numbers = _contactNumbers.get( id );
 
543
                                        }
 
544
                                        numbers.add( number );
 
545
                                }
 
546
                        } while( cur.moveToNext() );
 
547
                }
 
548
 
 
549
                // query and store map of contact ids to sets of email addresses
 
550
                cols = new String[] { Contacts.ContactMethods.PERSON_ID,
 
551
                                Contacts.ContactMethods.DATA };
 
552
                cur = _doit.managedQuery( Contacts.ContactMethods.CONTENT_URI,
 
553
                                cols, Contacts.ContactMethods.KIND + " = ?",
 
554
                                new String[] { "" + Contacts.KIND_EMAIL }, null );
 
555
                if( cur.moveToFirst() ) {
 
556
                        int personIdCol = cur.getColumnIndex(
 
557
                                        Contacts.ContactMethods.PERSON_ID );
 
558
                        int addressCol = cur.getColumnIndex(
 
559
                                        Contacts.ContactMethods.DATA );
 
560
                        do {
 
561
                                Long id = cur.getLong( personIdCol );
 
562
                                String address = sanitiseEmailAddress(
 
563
                                                cur.getString( addressCol ) );
 
564
                                if( address != null ) {
 
565
                                        HashSet< String > addresses = _contactEmails.get( id );
 
566
                                        if( addresses == null ) {
 
567
                                                _contactEmails.put( id, new HashSet< String >() );
 
568
                                                addresses = _contactEmails.get( id );
 
569
                                        }
 
570
                                        addresses.add( address );
 
571
                                }
 
572
                        } while( cur.moveToNext() );
 
573
                }
 
574
        }
 
575
 
 
576
        private String sanitisePhoneNumber( String number )
 
577
        {
 
578
                number = number.replaceAll( "[-\\(\\) ]", "" );
 
579
                Pattern p = Pattern.compile( "^\\+?[0-9]+" );
 
580
                Matcher m = p.matcher( number );
 
581
                if( m.lookingAt() ) return m.group( 0 );
 
582
                return null;
 
583
        }
 
584
 
 
585
        private String sanitiseEmailAddress( String address )
 
586
        {
 
587
                address = address.trim();
 
588
                Pattern p = Pattern.compile(
 
589
                                "^[^ @]+@[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?(\\.[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?)+$" );
 
590
                Matcher m = p.matcher( address );
 
591
                if( m.matches() ) {
 
592
                        String[] bits = address.split( "@" );
 
593
                        return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase();
 
594
                }
 
595
                return null;
 
596
        }
894
597
}