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  • Committer: edam
  • Date: 2009-01-11 13:00:52 UTC
  • Revision ID: edam@waxworlds.org-20090111130052-q9bh0zz4ey47egbv
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1
 
/*
2
 
 * Importer.java
3
 
 *
4
 
 * Copyright (C) 2009 to 2013 Tim Marston <tim@ed.am>
5
 
 *
6
 
 * This file is part of the Import Contacts program (hereafter referred
7
 
 * to as "this program").  For more information, see
8
 
 * http://ed.am/dev/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 am.ed.importcontacts;
25
 
 
26
 
import java.util.Arrays;
 
1
package org.waxworlds.importcontacts;
 
2
 
27
3
import java.util.HashMap;
28
4
import java.util.HashSet;
29
5
import java.util.Iterator;
30
 
import java.util.Locale;
31
6
import java.util.Set;
32
7
import java.util.regex.Matcher;
33
8
import java.util.regex.Pattern;
34
9
 
35
 
import am.ed.importcontacts.Backend.ContactCreationException;
 
10
import android.content.ContentUris;
 
11
import android.content.ContentValues;
36
12
import android.content.SharedPreferences;
 
13
import android.database.Cursor;
 
14
import android.net.Uri;
37
15
import android.os.Message;
 
16
import android.provider.Contacts;
38
17
 
39
18
public class Importer extends Thread
40
19
{
 
20
        public final static int ACTION_GOBACK = 0;
41
21
        public final static int ACTION_ABORT = 1;
42
22
        public final static int ACTION_ALLDONE = 2;
43
23
 
49
29
 
50
30
        private Doit _doit;
51
31
        private int _response;
52
 
        private int _response_extra;
53
 
        private int _merge_setting;
54
 
        private int _last_merge_decision;
 
32
        private int _responseExtra;
 
33
        private HashMap< String, Long > _contacts;
 
34
        private HashMap< Long, HashSet< String > > _contactNumbers;
 
35
        private HashMap< Long, HashSet< String > > _contactEmails;
 
36
        private int _mergeSetting;
 
37
        private int _lastMergeDecision;
55
38
        private boolean _abort = false;
56
 
        private boolean _is_finished = false;
57
 
        private ContactsCache _contacts_cache = null;
58
 
        private Backend _backend = null;
 
39
        private boolean _isFinished = false;
59
40
 
60
 
        /**
61
 
         * Data about a contact
62
 
         */
63
41
        public class ContactData
64
42
        {
65
 
                public final static int TYPE_HOME = 0;
66
 
                public final static int TYPE_WORK = 1;
67
 
                public final static int TYPE_MOBILE = 2;        // only used with phones
68
 
                public final static int TYPE_FAX_HOME = 3;      // only used with phones
69
 
                public final static int TYPE_FAX_WORK = 4;      // only used with phones
70
 
                public final static int TYPE_PAGER = 5;         // only used with phones
71
 
 
72
 
                class TypeDetail
73
 
                {
74
 
                        protected int _type;
75
 
 
76
 
                        public TypeDetail( int type )
77
 
                        {
78
 
                                _type = type;
79
 
                        }
80
 
 
81
 
                        public int getType()
82
 
                        {
83
 
                                return _type;
84
 
                        }
85
 
                }
86
 
 
87
 
                class PreferredDetail extends TypeDetail
88
 
                {
89
 
                        protected boolean _is_preferred;
90
 
 
91
 
                        public PreferredDetail( int type, boolean is_preferred )
92
 
                        {
93
 
                                super( type );
94
 
                                _is_preferred = is_preferred;
95
 
                        }
96
 
 
97
 
                        public boolean isPreferred()
98
 
                        {
99
 
                                return _is_preferred;
100
 
                        }
101
 
                }
102
 
 
103
 
                class ExtraDetail extends PreferredDetail
104
 
                {
105
 
                        protected String _extra;
106
 
 
107
 
                        public ExtraDetail( int type, boolean is_preferred, String extra )
108
 
                        {
109
 
                                super( type, is_preferred );
110
 
 
111
 
                                if( extra != null ) extra = extra.trim();
112
 
                                _extra = extra;
113
 
                        }
114
 
 
115
 
                        public String getExtra()
116
 
                        {
117
 
                                return _extra;
118
 
                        }
119
 
 
120
 
                        public void setExtra( String extra )
121
 
                        {
122
 
                                if( extra != null ) extra = extra.trim();
123
 
                                _extra = extra;
124
 
                        }
125
 
                }
126
 
 
127
 
                @SuppressWarnings("serial")
128
 
                protected class ContactNotIdentifiableException extends Exception
129
 
                {
130
 
                }
131
 
 
132
 
                protected String _name = null;
133
 
                protected String _primary_organisation = null;
134
 
                protected boolean _primary_organisation_is_preferred;
135
 
                protected String _primary_number = null;
136
 
                protected int _primary_number_type;
137
 
                protected boolean _primary_number_is_preferred;
138
 
                protected String _primary_email = null;
139
 
                protected boolean _primary_email_is_preferred;
140
 
                protected HashMap< String, ExtraDetail > _organisations = null;
141
 
                protected HashMap< String, PreferredDetail > _numbers = null;
142
 
                protected HashMap< String, PreferredDetail > _emails = null;
143
 
                protected HashMap< String, TypeDetail > _addresses = null;
144
 
                protected HashSet< String > _notes = null;
145
 
                protected String _birthday = null;
146
 
 
147
 
                private ContactsCache.CacheIdentifier _cache_identifier = null;
 
43
                class PhoneData
 
44
                {
 
45
                        public String _number;
 
46
                        public int _type;
 
47
                        public boolean _isPreferred;
 
48
 
 
49
                        public PhoneData( String number, int type, boolean isPreferred ) {
 
50
                                _number = number;
 
51
                                _type = type;
 
52
                                _isPreferred = isPreferred;
 
53
                        }
 
54
 
 
55
                        public String getNumber() {
 
56
                                return _number;
 
57
                        }
 
58
 
 
59
                        public int getType() {
 
60
                                return _type;
 
61
                        }
 
62
 
 
63
                        public boolean isPreferred() {
 
64
                                return _isPreferred;
 
65
                        }
 
66
                }
 
67
 
 
68
                class EmailData
 
69
                {
 
70
                        private String _email;
 
71
                        public int _type;
 
72
                        private boolean _isPreferred;
 
73
 
 
74
                        public EmailData( String email, int type, boolean isPreferred ) {
 
75
                                _email = email;
 
76
                                _type = type;
 
77
                                _isPreferred = isPreferred;
 
78
                        }
 
79
 
 
80
                        public String getAddress() {
 
81
                                return _email;
 
82
                        }
 
83
 
 
84
                        public int getType() {
 
85
                                return _type;
 
86
                        }
 
87
 
 
88
                        public boolean isPreferred() {
 
89
                                return _isPreferred;
 
90
                        }
 
91
                }
 
92
 
 
93
                public String _name = null;
 
94
                public HashMap< String, PhoneData > _phones = null;
 
95
                public HashMap< String, EmailData > _emails = null;
148
96
 
149
97
                protected void setName( String name )
150
98
                {
151
99
                        _name = name;
152
100
                }
153
101
 
154
 
                public boolean hasName()
155
 
                {
156
 
                        return _name != null;
157
 
                }
158
 
 
159
102
                public String getName()
160
103
                {
161
104
                        return _name;
162
105
                }
163
106
 
164
 
                protected void addOrganisation( String organisation, String title,
165
 
                        boolean is_preferred )
166
 
                {
167
 
                        organisation = organisation.trim();
168
 
                        if( organisation.length() <= 0 )
169
 
                        {
170
 
                                // TODO: warn that an imported organisation is being ignored
171
 
                                return;
172
 
                        }
173
 
 
174
 
                        if( title != null ) {
175
 
                                title = title.trim();
176
 
                                if( title.length() <= 0 ) title = null;
177
 
                        }
178
 
 
179
 
                        // add the organisation, as non-preferred (we prefer only one
180
 
                        // organisation in finalise() after they're all imported)
181
 
                        if( _organisations == null )
182
 
                                _organisations = new HashMap< String, ExtraDetail >();
183
 
                        if( !_organisations.containsKey( organisation ) )
184
 
                                _organisations.put( organisation,
185
 
                                        new ExtraDetail( 0, false, title ) );
186
 
 
187
 
                        // if this is the first organisation added, or it's a preferred
188
 
                        // organisation and the current primary organisation isn't, then
189
 
                        // record this as the primary organisation
190
 
                        if( _primary_organisation == null ||
191
 
                                ( is_preferred && !_primary_organisation_is_preferred ) )
192
 
                        {
193
 
                                _primary_organisation = organisation;
194
 
                                _primary_organisation_is_preferred = is_preferred;
195
 
                        }
196
 
                }
197
 
 
198
 
                public boolean hasOrganisations()
199
 
                {
200
 
                        return _organisations != null && _organisations.size() > 0;
201
 
                }
202
 
 
203
 
                public HashMap< String, ExtraDetail > getOrganisations()
204
 
                {
205
 
                        return _organisations;
206
 
                }
207
 
 
208
 
                public boolean hasPrimaryOrganisation()
209
 
                {
210
 
                        return _primary_organisation != null;
211
 
                }
212
 
 
213
 
                public String getPrimaryOrganisation()
214
 
                {
215
 
                        return _primary_organisation;
216
 
                }
217
 
 
218
 
                protected void addNumber( String number, int type,
219
 
                        boolean is_preferred )
220
 
                {
221
 
                        number = sanitisePhoneNumber( number );
222
 
                        if( number == null )
223
 
                        {
224
 
                                // TODO: warn that an imported phone number is being ignored
225
 
                                return;
226
 
                        }
227
 
 
228
 
                        // add the number, as non-preferred (we prefer only one number
229
 
                        // in finalise() after they're all imported)
230
 
                        if( _numbers == null )
231
 
                                _numbers = new HashMap< String, PreferredDetail >();
232
 
                        if( !_numbers.containsKey( number ) )
233
 
                                _numbers.put( number,
234
 
                                        new PreferredDetail( type, false ) );
235
 
 
236
 
                        final Set< Integer > non_voice_types = new HashSet< Integer >(
237
 
                                Arrays.asList( TYPE_FAX_HOME, TYPE_FAX_WORK, TYPE_PAGER ) );
238
 
 
239
 
                        // if this is the first number added, or it's a preferred number
240
 
                        // and the current primary number isn't, or this number is on equal
241
 
                        // standing with the primary number in terms of preference and it is
242
 
                        // a voice number and the primary number isn't, then record this as
243
 
                        // the primary number
244
 
                        if( _primary_number == null ||
245
 
                                ( is_preferred && !_primary_number_is_preferred ) ||
246
 
                                ( is_preferred == _primary_number_is_preferred &&
247
 
                                        !non_voice_types.contains( type ) &&
248
 
                                        non_voice_types.contains( _primary_number_type ) ) )
249
 
                        {
250
 
                                _primary_number = number;
251
 
                                _primary_number_type = type;
252
 
                                _primary_number_is_preferred = is_preferred;
253
 
                        }
254
 
                }
255
 
 
256
 
                public boolean hasNumbers()
257
 
                {
258
 
                        return _numbers != null && _numbers.size() > 0;
259
 
                }
260
 
 
261
 
                public HashMap< String, PreferredDetail > getNumbers()
262
 
                {
263
 
                        return _numbers;
264
 
                }
265
 
 
266
 
                public boolean hasPrimaryNumber()
267
 
                {
268
 
                        return _primary_number != null;
269
 
                }
270
 
 
271
 
                public String getPrimaryNumber()
272
 
                {
273
 
                        return _primary_number;
274
 
                }
275
 
 
276
 
                protected void addEmail( String email, int type, boolean is_preferred )
277
 
                {
278
 
 
279
 
                        email = sanitisesEmailAddress( email );
280
 
                        if( email == null )
281
 
                        {
282
 
                                // TODO: warn that an imported email address is being ignored
283
 
                                return;
284
 
                        }
285
 
 
286
 
                        // add the email, as non-preferred (we prefer only one email in
287
 
                        // finalise() after they're all imported)
288
 
                        if( _emails == null )
289
 
                                _emails = new HashMap< String, PreferredDetail >();
 
107
                protected void addPhone( String number, int type, boolean isPreferred )
 
108
                {
 
109
                        if( _phones == null ) _phones = new HashMap< String, PhoneData >();
 
110
                        if( !_phones.containsKey( number ) )
 
111
                                _phones.put( number,
 
112
                                                new PhoneData( number, type, isPreferred ) );
 
113
                }
 
114
 
 
115
                protected void addEmail( String email, int type, boolean isPreferred )
 
116
                {
 
117
                        if( _emails == null ) _emails = new HashMap< String, EmailData >();
290
118
                        if( !_emails.containsKey( email ) )
291
 
                                _emails.put( email, new PreferredDetail( type, false ) );
292
 
 
293
 
                        // if this is the first email added, or it's a preferred email and
294
 
                        // the current primary organisation isn't, then record this as the
295
 
                        // primary email
296
 
                        if( _primary_email == null ||
297
 
                                ( is_preferred && !_primary_email_is_preferred ) )
298
 
                        {
299
 
                                _primary_email = email;
300
 
                                _primary_email_is_preferred = is_preferred;
301
 
                        }
302
 
                }
303
 
 
304
 
                public boolean hasEmails()
305
 
                {
306
 
                        return _emails != null && _emails.size() > 0;
307
 
                }
308
 
 
309
 
                public HashMap< String, PreferredDetail > getEmails()
310
 
                {
311
 
                        return _emails;
312
 
                }
313
 
 
314
 
                public boolean hasPrimaryEmail()
315
 
                {
316
 
                        return _primary_email != null;
317
 
                }
318
 
 
319
 
                public String getPrimaryEmail()
320
 
                {
321
 
                        return _primary_email;
322
 
                }
323
 
 
324
 
                protected void addAddress( String address, int type )
325
 
                {
326
 
                        address = address.trim();
327
 
                        if( address.length() <= 0 )
328
 
                        {
329
 
                                // TODO: warn that an imported address is being ignored
330
 
                                return;
331
 
                        }
332
 
 
333
 
                        if( _addresses == null ) _addresses =
334
 
                                new HashMap< String, TypeDetail >();
335
 
                        if( !_addresses.containsKey( address ) )
336
 
                                _addresses.put( address, new TypeDetail( type ) );
337
 
                }
338
 
 
339
 
                public boolean hasAddresses()
340
 
                {
341
 
                        return _addresses != null && _addresses.size() > 0;
342
 
                }
343
 
 
344
 
                public HashMap< String, TypeDetail > getAddresses()
345
 
                {
346
 
                        return _addresses;
347
 
                }
348
 
 
349
 
                protected void addNote( String note )
350
 
                {
351
 
                        if( _notes == null ) _notes = new HashSet< String >();
352
 
                        if( !_notes.contains( note ) )
353
 
                                _notes.add( note );
354
 
                }
355
 
 
356
 
                public boolean hasNotes()
357
 
                {
358
 
                        return _notes != null && _notes.size() > 0;
359
 
                }
360
 
 
361
 
                public HashSet< String > getNotes()
362
 
                {
363
 
                        return _notes;
364
 
                }
365
 
 
366
 
                public void setBirthday( String birthday )
367
 
                {
368
 
                        _birthday = birthday;
369
 
                }
370
 
 
371
 
                public boolean hasBirthday()
372
 
                {
373
 
                        return _birthday != null;
374
 
                }
375
 
 
376
 
                public String getBirthday()
377
 
                {
378
 
                        return _birthday;
379
 
                }
380
 
 
381
 
                protected void finalise()
382
 
                        throws ContactNotIdentifiableException
383
 
                {
384
 
                        // Ensure that if there is a primary number, it is preferred so
385
 
                        // that there is always one preferred number.  Android will assign
386
 
                        // preference to one anyway so we might as well decide one sensibly.
387
 
                        if( _primary_number != null ) {
388
 
                                PreferredDetail data = _numbers.get( _primary_number );
389
 
                                _numbers.put( _primary_number,
390
 
                                        new PreferredDetail( data.getType(), true ) );
391
 
                        }
392
 
 
393
 
                        // do the same for the primary email
394
 
                        if( _primary_email != null ) {
395
 
                                PreferredDetail data = _emails.get( _primary_email );
396
 
                                _emails.put( _primary_email,
397
 
                                        new PreferredDetail( data.getType(), true ) );
398
 
                        }
399
 
 
400
 
                        // do the same for the primary organisation
401
 
                        if( _primary_organisation != null ) {
402
 
                                ExtraDetail data = _organisations.get( _primary_organisation );
403
 
                                _organisations.put( _primary_organisation,
404
 
                                        new ExtraDetail( 0, true, data.getExtra() ) );
405
 
                        }
406
 
 
407
 
                        // create a cache identifier from this contact data, which can be
408
 
                        // used to look-up an existing contact
409
 
                        _cache_identifier = ContactsCache.CacheIdentifier.factory( this );
410
 
                        if( _cache_identifier == null )
411
 
                                throw new ContactNotIdentifiableException();
412
 
                }
413
 
 
414
 
                public ContactsCache.CacheIdentifier getCacheIdentifier()
415
 
                {
416
 
                        return _cache_identifier;
417
 
                }
418
 
 
419
 
                private String sanitisePhoneNumber( String number )
420
 
                {
421
 
                        number = number.trim();
422
 
                        Pattern p = Pattern.compile( "^[-\\(\\) \\+0-9#*]+" );
423
 
                        Matcher m = p.matcher( number );
424
 
                        if( m.lookingAt() ) return m.group( 0 );
425
 
                        return null;
426
 
                }
427
 
 
428
 
                private String sanitisesEmailAddress( String email )
429
 
                {
430
 
                        email = email.trim();
431
 
                        Pattern p = Pattern.compile(
432
 
                                "^[^ @]+@[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?(\\.[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?)+$" );
433
 
                        Matcher m = p.matcher( email );
434
 
                        if( m.matches() ) {
435
 
                                String[] bits = email.split( "@" );
436
 
                                return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase( Locale.US );
437
 
                        }
438
 
                        return null;
 
119
                                _emails.put( email, new EmailData( email, type, isPreferred ) );
439
120
                }
440
121
        }
441
122
 
442
 
        @SuppressWarnings("serial")
443
123
        protected class AbortImportException extends Exception { };
444
124
 
445
125
        public Importer( Doit doit )
447
127
                _doit = doit;
448
128
 
449
129
                SharedPreferences prefs = getSharedPreferences();
450
 
                _merge_setting = prefs.getInt( "merge_setting", Doit.ACTION_PROMPT );
 
130
                _mergeSetting = prefs.getInt( "merge_setting", 0 );
451
131
        }
452
132
 
453
133
        @Override
455
135
        {
456
136
                try
457
137
                {
458
 
                        // update UI
459
 
                        setProgressMessage( R.string.doit_caching );
460
 
 
461
 
                        // create the appropriate backend
462
 
                        if( Integer.parseInt( android.os.Build.VERSION.SDK ) >= 5 )
463
 
                                _backend = new ContactsContractBackend( _doit );
464
 
                        else
465
 
                                _backend = new ContactsBackend( _doit );
466
 
 
467
 
                        // create a cache of existing contacts and populate it
468
 
                        _contacts_cache = new ContactsCache();
469
 
                        _backend.populateCache( _contacts_cache );
 
138
                        // cache current contact names
 
139
                        buildContactsCache();
470
140
 
471
141
                        // do the import
472
142
                        onImport();
483
153
 
484
154
        synchronized private void setIsFinished()
485
155
        {
486
 
                _is_finished = true;
 
156
                _isFinished = true;
487
157
        }
488
158
 
489
159
        protected void onImport() throws AbortImportException
500
170
                wake( response, RESPONSEEXTRA_NONE );
501
171
        }
502
172
 
503
 
        synchronized public void wake( int response, int response_extra )
 
173
        synchronized public void wake( int response, int responseExtra )
504
174
        {
505
175
                _response = response;
506
 
                _response_extra = response_extra;
 
176
                _responseExtra = responseExtra;
507
177
                notify();
508
178
        }
509
179
 
510
180
        synchronized public boolean setAbort()
511
181
        {
512
 
                if( !_is_finished && !_abort ) {
 
182
                if( !_isFinished && !_abort ) {
513
183
                        _abort = true;
514
184
                        notify();
515
185
                        return true;
532
202
        {
533
203
                checkAbort();
534
204
                _doit._handler.sendMessage( Message.obtain(
535
 
                        _doit._handler, Doit.MESSAGE_ERROR, message ) );
 
205
                                _doit._handler, Doit.MESSAGE_ERROR, message ) );
536
206
                try {
537
207
                        wait();
538
208
                }
539
209
                catch( InterruptedException e ) { }
540
 
 
541
210
                // no need to check if an abortion happened during the wait, we are
542
211
                // about to finish anyway!
543
212
                finish( ACTION_ABORT );
553
222
        {
554
223
                checkAbort();
555
224
                _doit._handler.sendMessage( Message.obtain(
556
 
                        _doit._handler, Doit.MESSAGE_ERROR, message ) );
 
225
                                _doit._handler, Doit.MESSAGE_ERROR, message ) );
557
226
                try {
558
227
                        wait();
559
228
                }
560
229
                catch( InterruptedException e ) { }
561
 
 
562
230
                // no need to check if an abortion happened during the wait, we are
563
231
                // about to finish anyway!
564
232
                finish( ACTION_ABORT );
574
242
        {
575
243
                checkAbort();
576
244
                _doit._handler.sendMessage( Message.obtain(
577
 
                        _doit._handler, Doit.MESSAGE_CONTINUEORABORT, message ) );
 
245
                                _doit._handler, Doit.MESSAGE_CONTINUEORABORT, message ) );
578
246
                try {
579
247
                        wait();
580
248
                }
590
258
        {
591
259
                checkAbort();
592
260
                _doit._handler.sendMessage( Message.obtain( _doit._handler,
593
 
                        Doit.MESSAGE_SETPROGRESSMESSAGE, getText( res ) ) );
 
261
                                Doit.MESSAGE_SETPROGRESSMESSAGE, getText( res ) ) );
594
262
        }
595
263
 
596
 
        protected void setProgressMax( int max_progress )
 
264
        protected void setProgressMax( int maxProgress )
597
265
                        throws AbortImportException
598
266
        {
599
267
                checkAbort();
600
268
                _doit._handler.sendMessage( Message.obtain(
601
 
                        _doit._handler, Doit.MESSAGE_SETMAXPROGRESS,
602
 
                        Integer.valueOf( max_progress ) ) );
 
269
                                _doit._handler, Doit.MESSAGE_SETMAXPROGRESS,
 
270
                                new Integer( maxProgress ) ) );
603
271
        }
604
272
 
605
 
        protected void setTmpProgress( int tmp_progress )
606
 
                throws AbortImportException
 
273
        protected void setTmpProgress( int tmpProgress ) throws AbortImportException
607
274
        {
608
275
                checkAbort();
609
276
                _doit._handler.sendMessage( Message.obtain(
610
 
                        _doit._handler, Doit.MESSAGE_SETTMPPROGRESS,
611
 
                        Integer.valueOf( tmp_progress ) ) );
 
277
                                _doit._handler, Doit.MESSAGE_SETTMPPROGRESS,
 
278
                                new Integer( tmpProgress ) ) );
612
279
        }
613
280
 
614
281
        protected void setProgress( int progress ) throws AbortImportException
615
282
        {
616
283
                checkAbort();
617
284
                _doit._handler.sendMessage( Message.obtain(
618
 
                        _doit._handler, Doit.MESSAGE_SETPROGRESS,
619
 
                        Integer.valueOf( progress ) ) );
 
285
                                _doit._handler, Doit.MESSAGE_SETPROGRESS,
 
286
                                new Integer( progress ) ) );
620
287
        }
621
288
 
622
289
        protected void finish( int action ) throws AbortImportException
625
292
                int message;
626
293
                switch( action )
627
294
                {
628
 
                case ACTION_ALLDONE:    message = Doit.MESSAGE_ALLDONE; break;
 
295
                case ACTION_GOBACK:             message = Doit.MESSAGE_FINISHED_GOBACK; break;
 
296
                case ACTION_ALLDONE:    message = Doit.MESSAGE_FINISHED_ALLDONE; break;
629
297
                default:        // fall through
630
 
                case ACTION_ABORT:              message = Doit.MESSAGE_ABORT; break;
 
298
                case ACTION_ABORT:              message = Doit.MESSAGE_FINISHED; break;
631
299
                }
632
300
                _doit._handler.sendEmptyMessage( message );
633
301
 
640
308
                return _doit.getText( res );
641
309
        }
642
310
 
643
 
        /**
644
 
         * Should we skip a contact, given whether it exists or not and the current
645
 
         * merge setting?  This routine handles throwing up a prompt, if required.
646
 
         *
647
 
         * @param contact_detail the display name of the contact
648
 
         * @param exists true if this contact matches one in the cache
649
 
         * @param merge_setting the merge setting to use
650
 
         * @return true if the contact should be skipped outright
651
 
         * @throws AbortImportException
652
 
         */
653
 
        synchronized private boolean shouldWeSkipContact( String contact_detail,
654
 
                boolean exists, int merge_setting ) throws AbortImportException
655
 
        {
656
 
                _last_merge_decision = merge_setting;
 
311
        protected boolean isImportRequired( String name )
 
312
                        throws AbortImportException
 
313
        {
 
314
                checkAbort();
 
315
                return isImportRequired( name, _mergeSetting );
 
316
        }
 
317
 
 
318
        synchronized private boolean isImportRequired( String name,
 
319
                        int mergeSetting ) throws AbortImportException
 
320
        {
 
321
                _lastMergeDecision = mergeSetting;
657
322
 
658
323
                // handle special cases
659
 
                switch( merge_setting )
 
324
                switch( mergeSetting )
660
325
                {
661
 
                case Doit.ACTION_KEEP:
662
 
                        // if we are skipping on a duplicate, check for one
663
 
                        return exists;
664
 
 
665
 
                case Doit.ACTION_PROMPT:
666
 
                        // if we are prompting on duplicate, then we can say that we won't
667
 
                        // skip if there isn't one
668
 
                        if( !exists ) return false;
669
 
 
670
 
                        // ok, duplicate exists, so do prompt
671
 
                        _doit._handler.sendMessage( Message.obtain( _doit._handler,
672
 
                                Doit.MESSAGE_MERGEPROMPT, contact_detail ) );
 
326
                case R.id.merge_keep:
 
327
                        // if we keep contacts on duplicate, we better check for one
 
328
                        return !_contacts.containsKey( name );
 
329
 
 
330
                case R.id.merge_prompt:
 
331
                        // if we are prompting on duplicate, we better check for one
 
332
                        if( !_contacts.containsKey( name ) )
 
333
                                return true;
 
334
 
 
335
                        // ok, it exists, so do prompt
 
336
                        _doit._handler.sendMessage( Message.obtain(
 
337
                                        _doit._handler, Doit.MESSAGE_MERGEPROMPT, name ) );
673
338
                        try {
674
339
                                wait();
675
340
                        }
678
343
                        // check if an abortion happened during the wait
679
344
                        checkAbort();
680
345
 
681
 
                        // if "always" was selected, make choice permanent
682
 
                        if( _response_extra == RESPONSEEXTRA_ALWAYS )
683
 
                                _merge_setting = _response;
 
346
                        // if "always" was selected, make choice permenant
 
347
                        if( _responseExtra == RESPONSEEXTRA_ALWAYS )
 
348
                                _mergeSetting = _response;
684
349
 
685
 
                        // recurse, with our new merge setting
686
 
                        return shouldWeSkipContact( contact_detail, exists, _response );
 
350
                        // recurse, with out new merge setting
 
351
                        return isImportRequired( name, _response );
687
352
                }
688
353
 
689
 
                // for all other cases (either overwriting or merging) we don't skip
690
 
                return false;
 
354
                // for all other cases (either overwriting or merging) we will need the
 
355
                // imported data
 
356
                return true;
691
357
        }
692
358
 
693
359
        protected void skipContact() throws AbortImportException
694
360
        {
695
361
                checkAbort();
696
 
 
697
 
                // show that we're skipping a new contact
698
362
                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTSKIPPED );
699
363
        }
700
364
 
703
367
        {
704
368
                checkAbort();
705
369
 
706
 
                // It is expected that we use contact.getCacheIdentifier() here.  The
707
 
                // contact we are passed should have been successfully finalise()d,
708
 
                // which includes generating a valid cache identifier.
709
 
                ContactsCache.CacheIdentifier cache_identifier =
710
 
                        contact.getCacheIdentifier();
711
 
 
712
370
//              if( !showContinue( "====[ IMPORTING ]====\n: " + contact._name ) )
713
371
//                      finish( ACTION_ABORT );
714
372
 
715
 
                // attempt to lookup the id of an existing contact in the cache with
716
 
                // this contact data's cache identifier
717
 
                Long id = (Long)_contacts_cache.lookup( cache_identifier );
 
373
                ContentValues values = new ContentValues();
 
374
                boolean uiInformed = false;
718
375
 
719
 
                // check to see if this contact should be skipped
720
 
                if( shouldWeSkipContact( cache_identifier.getDetail(), id != null,
721
 
                        _merge_setting ) )
 
376
                // does contact exist already?
 
377
                Uri contactUri = null;
 
378
                Long id;
 
379
                if( ( id = (Long)_contacts.get( contact._name ) ) != null )
722
380
                {
723
 
                        // show that we're skipping a contact
724
 
                        _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTSKIPPED );
725
 
                        return;
 
381
                        // should we skip this import altogether?
 
382
                        if( _lastMergeDecision == R.id.merge_keep ) return;
 
383
 
 
384
                        // get contact's URI
 
385
                        contactUri = ContentUris.withAppendedId(
 
386
                                        Contacts.People.CONTENT_URI, id );
 
387
 
 
388
                        // should we destroy the existing contact before importing?
 
389
                        if( _lastMergeDecision == R.id.merge_overwrite ) {
 
390
                                _doit.getContentResolver().delete( contactUri, null, null );
 
391
                                contactUri = null;
 
392
 
 
393
                                // upate the UI
 
394
                                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTOVERWRITTEN );
 
395
                                uiInformed = true;
 
396
 
 
397
                                // update cache
 
398
                                _contacts.remove( contact._name );
 
399
                        }
726
400
                }
727
401
 
728
 
                // if a contact exists, and we're overwriting, destroy the existing
729
 
                // contact before importing
730
 
                boolean contact_deleted = false;
731
 
                if( id != null && _last_merge_decision == Doit.ACTION_OVERWRITE )
 
402
                // if we don't have a contact URI it is because the contact never
 
403
                // existed or because we deleted it
 
404
                if( contactUri == null )
732
405
                {
733
 
                        contact_deleted = true;
 
406
                        // create a new contact
 
407
                        values.put( Contacts.People.NAME, contact._name );
 
408
                        contactUri = _doit.getContentResolver().insert(
 
409
                                        Contacts.People.CONTENT_URI, values );
 
410
                        id = ContentUris.parseId( contactUri );
 
411
                        if( id <= 0 ) return;   // shouldn't happen!
734
412
 
735
 
                        // remove from device
736
 
                        _backend.deleteContact( id );
 
413
                        // add them to the "My Contacts" group
 
414
                        Contacts.People.addToGroup(
 
415
                                        _doit.getContentResolver(), id,
 
416
                                        Contacts.Groups.GROUP_MY_CONTACTS );
737
417
 
738
418
                        // update cache
739
 
                        _contacts_cache.removeLookup( cache_identifier );
740
 
                        _contacts_cache.removeAssociatedData( id );
741
 
 
742
 
                        // show that we're overwriting a contact
743
 
                        _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTOVERWRITTEN );
744
 
 
745
 
                        // discard the contact id
746
 
                        id = null;
747
 
                }
748
 
 
749
 
                try {
750
 
                        // if we don't have a contact id yet (or we did, but we destroyed it
751
 
                        // when we deleted the contact), we'll have to create a new contact
752
 
                        if( id == null )
753
 
                        {
754
 
                                // create a new contact
755
 
                                id = _backend.addContact( contact._name );
756
 
 
757
 
                                // update cache
758
 
                                _contacts_cache.addLookup( cache_identifier, id );
759
 
 
760
 
                                // if we haven't already shown that we're overwriting a contact,
761
 
                                // show that we're creating a new contact
762
 
                                if( !contact_deleted )
763
 
                                        _doit._handler.sendEmptyMessage(
764
 
                                                Doit.MESSAGE_CONTACTCREATED );
 
419
                        _contacts.put( contact._name, id );
 
420
 
 
421
                        // update UI
 
422
                        if( !uiInformed ) {
 
423
                                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTCREATED );
 
424
                                uiInformed = true;
765
425
                        }
766
 
                        else
767
 
                                // show that we're merging with an existing contact
768
 
                                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTMERGED );
769
 
 
770
 
                        // import contact parts
771
 
                        if( contact.hasNumbers() )
772
 
                                importContactPhones( id, contact.getNumbers() );
773
 
                        if( contact.hasEmails() )
774
 
                                importContactEmails( id, contact.getEmails() );
775
 
                        if( contact.hasAddresses() )
776
 
                                importContactAddresses( id, contact.getAddresses() );
777
 
                        if( contact.hasOrganisations() )
778
 
                                importContactOrganisations( id, contact.getOrganisations() );
779
 
                        if( contact.hasNotes() )
780
 
                                importContactNotes( id, contact.getNotes() );
781
 
                        if( contact.hasBirthday() )
782
 
                                importContactBirthday( id, contact.getBirthday() );
783
 
                }
784
 
                catch( Backend.ContactCreationException e )
785
 
                {
786
 
                        showError( R.string.error_unabletoaddcontact );
787
 
                }
788
 
        }
789
 
 
790
 
        private void importContactPhones( Long id,
791
 
                HashMap< String, ContactData.PreferredDetail > datas )
792
 
                throws ContactCreationException
793
 
        {
794
 
                // add phone numbers
795
 
                Set< String > datas_keys = datas.keySet();
796
 
                Iterator< String > i = datas_keys.iterator();
797
 
                while( i.hasNext() ) {
798
 
                        String number = i.next();
799
 
                        ContactData.PreferredDetail data = datas.get( number );
800
 
 
801
 
                        // We don't want to add this number if it's crap, or it already
802
 
                        // exists (which would cause a duplicate to be created).  We don't
803
 
                        // take in to account the type when checking for duplicates.  This
804
 
                        // is intentional: types aren't really very reliable.  We assume
805
 
                        // that if the number exists at all, it doesn't need importing.
806
 
                        // Because of this, we also can't update the cache (which we don't
807
 
                        // need to anyway, so it's not a problem).
808
 
                        if( _contacts_cache.hasAssociatedNumber( id, number ) )
809
 
                                continue;
810
 
 
811
 
                        // add phone number
812
 
                        _backend.addContactPhone( id, number, data );
813
 
 
814
 
                        // and add this address to the cache to prevent a addition of
815
 
                        // duplicate date from another file
816
 
                        _contacts_cache.addAssociatedNumber( id, number );
817
 
                }
818
 
        }
819
 
 
820
 
        private void importContactEmails( Long id,
821
 
                HashMap< String, ContactData.PreferredDetail > datas )
822
 
                throws ContactCreationException
823
 
        {
824
 
                // add email addresses
825
 
                Set< String > datas_keys = datas.keySet();
826
 
                Iterator< String > i = datas_keys.iterator();
827
 
                while( i.hasNext() ) {
828
 
                        String email = i.next();
829
 
                        ContactData.PreferredDetail data = datas.get( email );
830
 
 
831
 
                        // we don't want to add this email address if it exists already or
832
 
                        // we would introduce duplicates
833
 
                        if( _contacts_cache.hasAssociatedEmail( id, email ) )
834
 
                                continue;
835
 
 
836
 
                        // add phone number
837
 
                        _backend.addContactEmail( id, email, data );
838
 
 
839
 
                        // and add this address to the cache to prevent a addition of
840
 
                        // duplicate date from another file
841
 
                        _contacts_cache.addAssociatedEmail( id, email );
842
 
                }
843
 
        }
844
 
 
845
 
        private void importContactAddresses( Long id,
846
 
                HashMap< String, ContactData.TypeDetail > datas )
847
 
                throws ContactCreationException
848
 
        {
849
 
                // add addresses
850
 
                Set< String > datas_keys = datas.keySet();
851
 
                Iterator< String > i = datas_keys.iterator();
852
 
                while( i.hasNext() ) {
853
 
                        String address = i.next();
854
 
                        ContactData.TypeDetail data = datas.get( address );
855
 
 
856
 
                        // we don't want to add this address if it exists already or we
857
 
                        // would introduce duplicates
858
 
                        if( _contacts_cache.hasAssociatedAddress( id, address ) )
859
 
                                continue;
860
 
 
861
 
                        // add postal address
862
 
                        _backend.addContactAddresses( id, address, data );
863
 
 
864
 
                        // and add this address to the cache to prevent a addition of
865
 
                        // duplicate date from another file
866
 
                        _contacts_cache.addAssociatedAddress( id, address );
867
 
                }
868
 
        }
869
 
 
870
 
        private void importContactOrganisations( Long id,
871
 
                HashMap< String, ContactData.ExtraDetail > datas )
872
 
                throws ContactCreationException
873
 
        {
874
 
                // add addresses
875
 
                Set< String > datas_keys = datas.keySet();
876
 
                Iterator< String > i = datas_keys.iterator();
877
 
                while( i.hasNext() ) {
878
 
                        String organisation = i.next();
879
 
                        ContactData.ExtraDetail data = datas.get( organisation );
880
 
 
881
 
                        // we don't want to add this address if it exists already or we
882
 
                        // would introduce duplicates
883
 
                        if( _contacts_cache.hasAssociatedOrganisation( id, organisation ) )
884
 
                                continue;
885
 
 
886
 
                        // add organisation address
887
 
                        _backend.addContactOrganisation( id, organisation, data );
888
 
 
889
 
                        // and add this address to the cache to prevent a addition of
890
 
                        // duplicate date from another file
891
 
                        _contacts_cache.addAssociatedOrganisation( id, organisation );
892
 
                }
893
 
        }
894
 
 
895
 
        private void importContactNotes( Long id, HashSet< String > datas )
896
 
                throws ContactCreationException
897
 
        {
898
 
                // add notes
899
 
                Iterator< String > i = datas.iterator();
900
 
                while( i.hasNext() ) {
901
 
                        String note = i.next();
902
 
 
903
 
                        // we don't want to add this note if it exists already or we would
904
 
                        // introduce duplicates
905
 
                        if( _contacts_cache.hasAssociatedNote( id, note ) )
906
 
                                continue;
907
 
 
908
 
                        // add note
909
 
                        _backend.addContactNote( id, note );
910
 
 
911
 
                        // and add this note to the cache to prevent a addition of duplicate
912
 
                        // date from another file
913
 
                        _contacts_cache.addAssociatedNote( id, note );
914
 
                }
915
 
        }
916
 
 
917
 
        private void importContactBirthday( Long id, String birthday )
918
 
                throws ContactCreationException
919
 
        {
920
 
                // we don't want to import this birthday if it already exists
921
 
                if( _contacts_cache.hasAssociatedBirthday( id, birthday ) )
922
 
                        return;
923
 
 
924
 
                // add birthday
925
 
                _backend.addContactBirthday( id, birthday );
926
 
 
927
 
                // and update the cache
928
 
                _contacts_cache.addAssociatedBirthday( id, birthday );
 
426
                }
 
427
 
 
428
                // update UI
 
429
                if( !uiInformed )
 
430
                        _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTMERGED );
 
431
 
 
432
                // import contact parts
 
433
                if( contact._phones != null )
 
434
                        importContactPhones( contactUri, contact._phones );
 
435
                if( contact._emails != null )
 
436
                        importContactEmails( contactUri, contact._emails );
 
437
        }
 
438
 
 
439
        private void importContactPhones( Uri contactUri,
 
440
                        HashMap< String, ContactData.PhoneData > phones )
 
441
        {
 
442
                Long contactId = ContentUris.parseId( contactUri );
 
443
                Uri contactPhonesUri = Uri.withAppendedPath( contactUri,
 
444
                                Contacts.People.Phones.CONTENT_DIRECTORY );
 
445
 
 
446
                // add phone numbers
 
447
                Set phonesKeys = phones.keySet();
 
448
                Iterator i = phonesKeys.iterator();
 
449
                while( i.hasNext() ) {
 
450
                        ContactData.PhoneData phone = phones.get( i.next() );
 
451
 
 
452
                        // we don't want to add this number if it's crap, or it already
 
453
                        // exists (which would cause a duplicate to be created). We don't
 
454
                        // take in to account the type when checking for duplicates. This is
 
455
                        // intentional: types aren't really very reliable. We assume that
 
456
                        // if the number exists at all, it doesn't need importing. Because
 
457
                        // of this, we also can't update the cache (which we don't need to
 
458
                        // anyway, so it's not a problem).
 
459
                        String number = sanitisePhoneNumber( phone._number );
 
460
                        if( number == null ) continue;
 
461
                        HashSet< String > numbers = _contactNumbers.get( contactId );
 
462
                        if( numbers != null && numbers.contains( number ) ) continue;
 
463
 
 
464
                        // add phone number
 
465
                        ContentValues values = new ContentValues();
 
466
                        values.put( Contacts.Phones.TYPE, phone._type );
 
467
                        values.put( Contacts.Phones.NUMBER, phone._number );
 
468
                        if( phone._isPreferred ) values.put( Contacts.Phones.ISPRIMARY, 1 );
 
469
                        _doit.getContentResolver().insert( contactPhonesUri, values );
 
470
                }
 
471
        }
 
472
 
 
473
        private void importContactEmails( Uri contactUri,
 
474
                        HashMap< String, ContactData.EmailData > emails )
 
475
        {
 
476
                Long contactId = ContentUris.parseId( contactUri );
 
477
                Uri contactContactMethodsUri = Uri.withAppendedPath( contactUri,
 
478
                                Contacts.People.ContactMethods.CONTENT_DIRECTORY );
 
479
 
 
480
                // add phone numbers
 
481
                Set emailsKeys = emails.keySet();
 
482
                Iterator i = emailsKeys.iterator();
 
483
                while( i.hasNext() ) {
 
484
                        ContactData.EmailData email = emails.get( i.next() );
 
485
 
 
486
                        // like with phone numbers, we don't want to add this email address
 
487
                        // if it exists already or we would introduce duplicates.
 
488
                        String address = sanitiseEmailAddress( email.getAddress() );
 
489
                        if( address == null ) continue;
 
490
                        HashSet< String > addresses = _contactEmails.get( contactId );
 
491
                        if( addresses != null && addresses.contains( address ) ) continue;
 
492
 
 
493
                        // add phone number
 
494
                        ContentValues values = new ContentValues();
 
495
                        values.put( Contacts.ContactMethods.KIND, Contacts.KIND_EMAIL );
 
496
                        values.put( Contacts.ContactMethods.DATA, email.getAddress() );
 
497
                        values.put( Contacts.ContactMethods.TYPE, email.getType() );
 
498
                        if( email.isPreferred() )
 
499
                                values.put( Contacts.ContactMethods.ISPRIMARY, 1 );
 
500
                        _doit.getContentResolver().insert( contactContactMethodsUri,
 
501
                                        values );
 
502
                }
929
503
        }
930
504
 
931
505
        synchronized protected void checkAbort() throws AbortImportException
935
509
                        throw new AbortImportException();
936
510
                }
937
511
        }
 
512
 
 
513
        private void buildContactsCache() throws AbortImportException
 
514
        {
 
515
                // update UI
 
516
                setProgressMessage( R.string.doit_caching );
 
517
 
 
518
                String[] cols;
 
519
                Cursor cur;
 
520
 
 
521
                // init contacts caches
 
522
                _contacts = new HashMap< String, Long >();
 
523
                _contactNumbers = new HashMap< Long, HashSet< String > >();
 
524
                _contactEmails = new HashMap< Long, HashSet< String > >();
 
525
 
 
526
                // query and store map of contact names to ids
 
527
                cols = new String[] { Contacts.People._ID, Contacts.People.NAME };
 
528
                cur = _doit.managedQuery( Contacts.People.CONTENT_URI,
 
529
                                cols, null, null, null);
 
530
                if( cur.moveToFirst() ) {
 
531
                        int idCol = cur.getColumnIndex( Contacts.People._ID );
 
532
                        int nameCol = cur.getColumnIndex( Contacts.People.NAME );
 
533
                        do {
 
534
                                _contacts.put( cur.getString( nameCol ), cur.getLong( idCol ) );
 
535
                        } while( cur.moveToNext() );
 
536
                }
 
537
 
 
538
                // query and store map of contact ids to sets of phone numbers
 
539
                cols = new String[] { Contacts.Phones.PERSON_ID,
 
540
                                Contacts.Phones.NUMBER };
 
541
                cur = _doit.managedQuery( Contacts.Phones.CONTENT_URI,
 
542
                                cols, null, null, null);
 
543
                if( cur.moveToFirst() ) {
 
544
                        int personIdCol = cur.getColumnIndex( Contacts.Phones.PERSON_ID );
 
545
                        int numberCol = cur.getColumnIndex( Contacts.Phones.NUMBER );
 
546
                        do {
 
547
                                Long id = cur.getLong( personIdCol );
 
548
                                String number = sanitisePhoneNumber(
 
549
                                                cur.getString( numberCol ) );
 
550
                                if( number != null ) {
 
551
                                        HashSet< String > numbers = _contactNumbers.get( id );
 
552
                                        if( numbers == null ) {
 
553
                                                _contactNumbers.put( id, new HashSet< String >() );
 
554
                                                numbers = _contactNumbers.get( id );
 
555
                                        }
 
556
                                        numbers.add( number );
 
557
                                }
 
558
                        } while( cur.moveToNext() );
 
559
                }
 
560
 
 
561
                // query and store map of contact ids to sets of email addresses
 
562
                cols = new String[] { Contacts.ContactMethods.PERSON_ID,
 
563
                                Contacts.ContactMethods.DATA };
 
564
                cur = _doit.managedQuery( Contacts.ContactMethods.CONTENT_URI,
 
565
                                cols, Contacts.ContactMethods.KIND + " = ?",
 
566
                                new String[] { "" + Contacts.KIND_EMAIL }, null );
 
567
                if( cur.moveToFirst() ) {
 
568
                        int personIdCol = cur.getColumnIndex(
 
569
                                        Contacts.ContactMethods.PERSON_ID );
 
570
                        int addressCol = cur.getColumnIndex(
 
571
                                        Contacts.ContactMethods.DATA );
 
572
                        do {
 
573
                                Long id = cur.getLong( personIdCol );
 
574
                                String address = sanitiseEmailAddress(
 
575
                                                cur.getString( addressCol ) );
 
576
                                if( address != null ) {
 
577
                                        HashSet< String > addresses = _contactEmails.get( id );
 
578
                                        if( addresses == null ) {
 
579
                                                _contactEmails.put( id, new HashSet< String >() );
 
580
                                                addresses = _contactEmails.get( id );
 
581
                                        }
 
582
                                        addresses.add( address );
 
583
                                }
 
584
                        } while( cur.moveToNext() );
 
585
                }
 
586
        }
 
587
 
 
588
        private String sanitisePhoneNumber( String number )
 
589
        {
 
590
                number = number.replaceAll( "[-\\(\\) ]", "" );
 
591
                Pattern p = Pattern.compile( "^\\+?[0-9]+" );
 
592
                Matcher m = p.matcher( number );
 
593
                if( m.lookingAt() ) return m.group( 0 );
 
594
                return null;
 
595
        }
 
596
 
 
597
        private String sanitiseEmailAddress( String address )
 
598
        {
 
599
                address = address.trim();
 
600
                Pattern p = Pattern.compile(
 
601
                                "^[^ @]+@[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?(\\.[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?)+$" );
 
602
                Matcher m = p.matcher( address );
 
603
                if( m.matches() ) {
 
604
                        String[] bits = address.split( "@" );
 
605
                        return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase();
 
606
                }
 
607
                return null;
 
608
        }
938
609
}