/android/import-contacts

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  • Committer: Tim Marston
  • Date: 2013-10-20 17:51:32 UTC
  • Revision ID: tim@ed.am-20131020175132-lvqrbal1ztz5jepl
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src/am/ed/importcontacts/Importer.java
1
1
/*
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 * Importer.java
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3
 *
4
 
 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
 
4
 * Copyright (C) 2009 to 2013 Tim Marston <tim@ed.am>
5
5
 *
6
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
 
7
 * to as "this program").  For more information, see
 
8
 * http://ed.am/dev/android/import-contacts
9
9
 *
10
10
 * This program is free software: you can redistribute it and/or modify
11
11
 * it under the terms of the GNU General Public License as published by
21
21
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
22
 */
23
23
 
24
 
package org.waxworlds.edam.importcontacts;
 
24
package am.ed.importcontacts;
25
25
 
 
26
import java.util.Arrays;
26
27
import java.util.HashMap;
27
28
import java.util.HashSet;
28
29
import java.util.Iterator;
 
30
import java.util.Locale;
29
31
import java.util.Set;
30
32
import java.util.regex.Matcher;
31
33
import java.util.regex.Pattern;
32
34
 
33
 
import android.content.ContentUris;
34
 
import android.content.ContentValues;
 
35
import am.ed.importcontacts.Backend.ContactCreationException;
35
36
import android.content.SharedPreferences;
36
 
import android.database.Cursor;
37
 
import android.net.Uri;
38
37
import android.os.Message;
39
 
import android.provider.Contacts;
40
 
 
41
38
 
42
39
public class Importer extends Thread
43
40
{
52
49
 
53
50
        private Doit _doit;
54
51
        private int _response;
55
 
        private int _responseExtra;
56
 
        private HashMap< String, Long > _contacts;
57
 
        private HashMap< Long, HashSet< String > > _contactNumbers;
58
 
        private HashMap< Long, HashSet< String > > _contactEmails;
59
 
        private HashMap< Long, HashSet< String > > _contactAddresses;
60
 
        private int _mergeSetting;
61
 
        private int _lastMergeDecision;
 
52
        private int _response_extra;
 
53
        private int _merge_setting;
 
54
        private int _last_merge_decision;
62
55
        private boolean _abort = false;
63
 
        private boolean _isFinished = false;
 
56
        private boolean _is_finished = false;
 
57
        private ContactsCache _contacts_cache = null;
 
58
        private Backend _backend = null;
64
59
 
 
60
        /**
 
61
         * Data about a contact
 
62
         */
65
63
        public class ContactData
66
64
        {
67
 
                class PhoneData
68
 
                {
69
 
                        public String _number;
70
 
                        public int _type;
71
 
                        public boolean _isPreferred;
72
 
 
73
 
                        public PhoneData( String number, int type, boolean isPreferred ) {
74
 
                                _number = number;
75
 
                                _type = type;
76
 
                                _isPreferred = isPreferred;
77
 
                        }
78
 
 
79
 
                        public String getNumber() {
80
 
                                return _number;
81
 
                        }
82
 
 
83
 
                        public int getType() {
84
 
                                return _type;
85
 
                        }
86
 
 
87
 
                        public boolean isPreferred() {
88
 
                                return _isPreferred;
89
 
                        }
90
 
                }
91
 
 
92
 
                class EmailData
93
 
                {
94
 
                        private String _email;
95
 
                        public int _type;
96
 
                        private boolean _isPreferred;
97
 
 
98
 
                        public EmailData( String email, int type, boolean isPreferred ) {
99
 
                                _email = email;
100
 
                                _type = type;
101
 
                                _isPreferred = isPreferred;
102
 
                        }
103
 
 
104
 
                        public String getAddress() {
105
 
                                return _email;
106
 
                        }
107
 
 
108
 
                        public int getType() {
109
 
                                return _type;
110
 
                        }
111
 
 
112
 
                        public boolean isPreferred() {
113
 
                                return _isPreferred;
114
 
                        }
115
 
                }
116
 
 
117
 
                class AddressData
118
 
                {
119
 
                        private String _address;
120
 
                        public int _type;
121
 
 
122
 
                        public AddressData( String address, int type ) {
123
 
                                _address = address;
124
 
                                _type = type;
125
 
                        }
126
 
 
127
 
                        public String getAddress() {
128
 
                                return _address;
129
 
                        }
130
 
 
131
 
                        public int getType() {
132
 
                                return _type;
133
 
                        }
134
 
                }
135
 
 
136
 
                public String _name = null;
137
 
                public HashMap< String, PhoneData > _phones = null;
138
 
                public HashMap< String, EmailData > _emails = null;
139
 
                public HashMap< String, AddressData > _addresses = null;
 
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;
140
148
 
141
149
                protected void setName( String name )
142
150
                {
143
151
                        _name = name;
144
152
                }
145
153
 
 
154
                public boolean hasName()
 
155
                {
 
156
                        return _name != null;
 
157
                }
 
158
 
146
159
                public String getName()
147
160
                {
148
161
                        return _name;
149
162
                }
150
163
 
151
 
                protected void addPhone( String number, int type, boolean isPreferred )
152
 
                {
153
 
                        if( _phones == null ) _phones = new HashMap< String, PhoneData >();
154
 
                        if( !_phones.containsKey( number ) )
155
 
                                _phones.put( number,
156
 
                                        new PhoneData( number, type, isPreferred ) );
157
 
                }
158
 
 
159
 
                protected void addEmail( String email, int type, boolean isPreferred )
160
 
                {
161
 
                        if( _emails == null ) _emails = new HashMap< String, EmailData >();
 
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 >();
162
290
                        if( !_emails.containsKey( email ) )
163
 
                                _emails.put( email, new EmailData( email, type, isPreferred ) );
 
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;
164
322
                }
165
323
 
166
324
                protected void addAddress( String address, int type )
167
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
 
168
333
                        if( _addresses == null ) _addresses =
169
 
                                new HashMap< String, AddressData >();
 
334
                                new HashMap< String, TypeDetail >();
170
335
                        if( !_addresses.containsKey( address ) )
171
 
                                _addresses.put( address, new AddressData( address, type ) );
 
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;
172
439
                }
173
440
        }
174
441
 
180
447
                _doit = doit;
181
448
 
182
449
                SharedPreferences prefs = getSharedPreferences();
183
 
                _mergeSetting = prefs.getInt( "merge_setting", Doit.ACTION_PROMPT );
 
450
                _merge_setting = prefs.getInt( "merge_setting", Doit.ACTION_PROMPT );
184
451
        }
185
452
 
186
453
        @Override
188
455
        {
189
456
                try
190
457
                {
191
 
                        // cache current contact names
192
 
                        buildContactsCache();
 
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 );
193
470
 
194
471
                        // do the import
195
472
                        onImport();
206
483
 
207
484
        synchronized private void setIsFinished()
208
485
        {
209
 
                _isFinished = true;
 
486
                _is_finished = true;
210
487
        }
211
488
 
212
489
        protected void onImport() throws AbortImportException
223
500
                wake( response, RESPONSEEXTRA_NONE );
224
501
        }
225
502
 
226
 
        synchronized public void wake( int response, int responseExtra )
 
503
        synchronized public void wake( int response, int response_extra )
227
504
        {
228
505
                _response = response;
229
 
                _responseExtra = responseExtra;
 
506
                _response_extra = response_extra;
230
507
                notify();
231
508
        }
232
509
 
233
510
        synchronized public boolean setAbort()
234
511
        {
235
 
                if( !_isFinished && !_abort ) {
 
512
                if( !_is_finished && !_abort ) {
236
513
                        _abort = true;
237
514
                        notify();
238
515
                        return true;
316
593
                        Doit.MESSAGE_SETPROGRESSMESSAGE, getText( res ) ) );
317
594
        }
318
595
 
319
 
        protected void setProgressMax( int maxProgress )
 
596
        protected void setProgressMax( int max_progress )
320
597
                        throws AbortImportException
321
598
        {
322
599
                checkAbort();
323
600
                _doit._handler.sendMessage( Message.obtain(
324
601
                        _doit._handler, Doit.MESSAGE_SETMAXPROGRESS,
325
 
                        new Integer( maxProgress ) ) );
 
602
                        Integer.valueOf( max_progress ) ) );
326
603
        }
327
604
 
328
 
        protected void setTmpProgress( int tmpProgress ) throws AbortImportException
 
605
        protected void setTmpProgress( int tmp_progress )
 
606
                throws AbortImportException
329
607
        {
330
608
                checkAbort();
331
609
                _doit._handler.sendMessage( Message.obtain(
332
610
                        _doit._handler, Doit.MESSAGE_SETTMPPROGRESS,
333
 
                        new Integer( tmpProgress ) ) );
 
611
                        Integer.valueOf( tmp_progress ) ) );
334
612
        }
335
613
 
336
614
        protected void setProgress( int progress ) throws AbortImportException
338
616
                checkAbort();
339
617
                _doit._handler.sendMessage( Message.obtain(
340
618
                        _doit._handler, Doit.MESSAGE_SETPROGRESS,
341
 
                        new Integer( progress ) ) );
 
619
                        Integer.valueOf( progress ) ) );
342
620
        }
343
621
 
344
622
        protected void finish( int action ) throws AbortImportException
362
640
                return _doit.getText( res );
363
641
        }
364
642
 
365
 
        protected boolean isImportRequired( String name )
366
 
                        throws AbortImportException
367
 
        {
368
 
                checkAbort();
369
 
                return isImportRequired( name, _mergeSetting );
370
 
        }
371
 
 
372
 
        synchronized private boolean isImportRequired( String name,
373
 
                        int mergeSetting ) throws AbortImportException
374
 
        {
375
 
                _lastMergeDecision = mergeSetting;
 
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;
376
657
 
377
658
                // handle special cases
378
 
                switch( mergeSetting )
 
659
                switch( merge_setting )
379
660
                {
380
661
                case Doit.ACTION_KEEP:
381
 
                        // if we keep contacts on duplicate, we better check for one
382
 
                        return !_contacts.containsKey( name );
 
662
                        // if we are skipping on a duplicate, check for one
 
663
                        return exists;
383
664
 
384
665
                case Doit.ACTION_PROMPT:
385
 
                        // if we are prompting on duplicate, we better check for one
386
 
                        if( !_contacts.containsKey( name ) )
387
 
                                return true;
 
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;
388
669
 
389
 
                        // ok, it exists, so do prompt
390
 
                        _doit._handler.sendMessage( Message.obtain(
391
 
                                _doit._handler, Doit.MESSAGE_MERGEPROMPT, name ) );
 
670
                        // ok, duplicate exists, so do prompt
 
671
                        _doit._handler.sendMessage( Message.obtain( _doit._handler,
 
672
                                Doit.MESSAGE_MERGEPROMPT, contact_detail ) );
392
673
                        try {
393
674
                                wait();
394
675
                        }
397
678
                        // check if an abortion happened during the wait
398
679
                        checkAbort();
399
680
 
400
 
                        // if "always" was selected, make choice permenant
401
 
                        if( _responseExtra == RESPONSEEXTRA_ALWAYS )
402
 
                                _mergeSetting = _response;
 
681
                        // if "always" was selected, make choice permanent
 
682
                        if( _response_extra == RESPONSEEXTRA_ALWAYS )
 
683
                                _merge_setting = _response;
403
684
 
404
685
                        // recurse, with our new merge setting
405
 
                        return isImportRequired( name, _response );
 
686
                        return shouldWeSkipContact( contact_detail, exists, _response );
406
687
                }
407
688
 
408
 
                // for all other cases (either overwriting or merging) we will need the
409
 
                // imported data
410
 
                return true;
 
689
                // for all other cases (either overwriting or merging) we don't skip
 
690
                return false;
411
691
        }
412
692
 
413
693
        protected void skipContact() throws AbortImportException
414
694
        {
415
695
                checkAbort();
 
696
 
 
697
                // show that we're skipping a new contact
416
698
                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTSKIPPED );
417
699
        }
418
700
 
421
703
        {
422
704
                checkAbort();
423
705
 
 
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
 
424
712
//              if( !showContinue( "====[ IMPORTING ]====\n: " + contact._name ) )
425
713
//                      finish( ACTION_ABORT );
426
714
 
427
 
                ContentValues values = new ContentValues();
428
 
                boolean uiInformed = false;
429
 
 
430
 
                // does contact exist already?
431
 
                Uri contactUri = null;
432
 
                Long id;
433
 
                if( ( id = (Long)_contacts.get( contact._name ) ) != null )
434
 
                {
435
 
                        // should we skip this import altogether?
436
 
                        if( _lastMergeDecision == Doit.ACTION_KEEP ) return;
437
 
 
438
 
                        // get contact's URI
439
 
                        contactUri = ContentUris.withAppendedId(
440
 
                                Contacts.People.CONTENT_URI, id );
441
 
 
442
 
                        // should we destroy the existing contact before importing?
443
 
                        if( _lastMergeDecision == Doit.ACTION_OVERWRITE ) {
444
 
                                _doit.getContentResolver().delete( contactUri, null, null );
445
 
                                contactUri = null;
446
 
 
447
 
                                // update the UI
448
 
                                _doit._handler.sendEmptyMessage(
449
 
                                                Doit.MESSAGE_CONTACTOVERWRITTEN );
450
 
                                uiInformed = true;
 
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 );
 
718
 
 
719
                // check to see if this contact should be skipped
 
720
                if( shouldWeSkipContact( cache_identifier.getDetail(), id != null,
 
721
                        _merge_setting ) )
 
722
                {
 
723
                        // show that we're skipping a contact
 
724
                        _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTSKIPPED );
 
725
                        return;
 
726
                }
 
727
 
 
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 )
 
732
                {
 
733
                        contact_deleted = true;
 
734
 
 
735
                        // remove from device
 
736
                        _backend.deleteContact( id );
 
737
 
 
738
                        // 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 );
451
756
 
452
757
                                // update cache
453
 
                                _contacts.remove( contact._name );
 
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 );
454
765
                        }
 
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() );
455
783
                }
456
 
 
457
 
                // if we don't have a contact URI it is because the contact never
458
 
                // existed or because we deleted it
459
 
                if( contactUri == null )
 
784
                catch( Backend.ContactCreationException e )
460
785
                {
461
 
                        // create a new contact
462
 
                        values.put( Contacts.People.NAME, contact._name );
463
 
                        contactUri = _doit.getContentResolver().insert(
464
 
                                Contacts.People.CONTENT_URI, values );
465
 
                        id = ContentUris.parseId( contactUri );
466
 
                        if( id <= 0 ) return;   // shouldn't happen!
467
 
 
468
 
                        // try to add them to the "My Contacts" group
469
 
                        try {
470
 
                                Contacts.People.addToMyContactsGroup(
471
 
                                        _doit.getContentResolver(), id );
472
 
                        }
473
 
                        catch( IllegalStateException e ) {
474
 
                                // ignore any failure
475
 
                        }
476
 
 
477
 
                        // update cache
478
 
                        _contacts.put( contact._name, id );
479
 
 
480
 
                        // update UI
481
 
                        if( !uiInformed ) {
482
 
                                _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTCREATED );
483
 
                                uiInformed = true;
484
 
                        }
 
786
                        showError( R.string.error_unabletoaddcontact );
485
787
                }
486
 
 
487
 
                // update UI
488
 
                if( !uiInformed )
489
 
                        _doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTMERGED );
490
 
 
491
 
                // import contact parts
492
 
                if( contact._phones != null )
493
 
                        importContactPhones( contactUri, contact._phones );
494
 
                if( contact._emails != null )
495
 
                        importContactEmails( contactUri, contact._emails );
496
 
                if( contact._addresses != null )
497
 
                        importContactAddresses( contactUri, contact._addresses );
498
788
        }
499
789
 
500
 
        private void importContactPhones( Uri contactUri,
501
 
                        HashMap< String, ContactData.PhoneData > phones )
 
790
        private void importContactPhones( Long id,
 
791
                HashMap< String, ContactData.PreferredDetail > datas )
 
792
                throws ContactCreationException
502
793
        {
503
 
                Long contactId = ContentUris.parseId( contactUri );
504
 
                Uri contactPhonesUri = Uri.withAppendedPath( contactUri,
505
 
                                Contacts.People.Phones.CONTENT_DIRECTORY );
506
 
                Set< String > phonesKeys = phones.keySet();
507
 
 
508
794
                // add phone numbers
509
 
                Iterator< String > i = phonesKeys.iterator();
 
795
                Set< String > datas_keys = datas.keySet();
 
796
                Iterator< String > i = datas_keys.iterator();
510
797
                while( i.hasNext() ) {
511
 
                        ContactData.PhoneData phone = phones.get( i.next() );
 
798
                        String number = i.next();
 
799
                        ContactData.PreferredDetail data = datas.get( number );
512
800
 
513
 
                        // we don't want to add this number if it's crap, or it already
514
 
                        // exists (which would cause a duplicate to be created). We don't
515
 
                        // take in to account the type when checking for duplicates. This is
516
 
                        // intentional: types aren't really very reliable. We assume that
517
 
                        // if the number exists at all, it doesn't need importing. Because
518
 
                        // of this, we also can't update the cache (which we don't need to
519
 
                        // anyway, so it's not a problem).
520
 
                        String number = sanitisePhoneNumber( phone._number );
521
 
                        if( number == null ) continue;
522
 
                        HashSet< String > cache = _contactNumbers.get( contactId );
523
 
                        if( cache != null && cache.contains( number ) ) continue;
 
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;
524
810
 
525
811
                        // add phone number
526
 
                        ContentValues values = new ContentValues();
527
 
                        values.put( Contacts.Phones.TYPE, phone._type );
528
 
                        values.put( Contacts.Phones.NUMBER, phone._number );
529
 
                        if( phone._isPreferred ) values.put( Contacts.Phones.ISPRIMARY, 1 );
530
 
                        _doit.getContentResolver().insert( contactPhonesUri, values );
 
812
                        _backend.addContactPhone( id, number, data );
531
813
 
532
814
                        // and add this address to the cache to prevent a addition of
533
815
                        // duplicate date from another file
534
 
                        if( cache == null ) {
535
 
                                cache = new HashSet< String >();
536
 
                                _contactNumbers.put( contactId, cache );
537
 
                        }
538
 
                        cache.add( number );
 
816
                        _contacts_cache.addAssociatedNumber( id, number );
539
817
                }
540
818
        }
541
819
 
542
 
        private void importContactEmails( Uri contactUri,
543
 
                        HashMap< String, ContactData.EmailData > emails )
 
820
        private void importContactEmails( Long id,
 
821
                HashMap< String, ContactData.PreferredDetail > datas )
 
822
                throws ContactCreationException
544
823
        {
545
 
                Long contactId = ContentUris.parseId( contactUri );
546
 
                Uri contactContactMethodsUri = Uri.withAppendedPath( contactUri,
547
 
                                Contacts.People.ContactMethods.CONTENT_DIRECTORY );
548
 
                Set< String > emailsKeys = emails.keySet();
549
 
 
550
824
                // add email addresses
551
 
                Iterator< String > i = emailsKeys.iterator();
 
825
                Set< String > datas_keys = datas.keySet();
 
826
                Iterator< String > i = datas_keys.iterator();
552
827
                while( i.hasNext() ) {
553
 
                        ContactData.EmailData email = emails.get( i.next() );
 
828
                        String email = i.next();
 
829
                        ContactData.PreferredDetail data = datas.get( email );
554
830
 
555
831
                        // we don't want to add this email address if it exists already or
556
 
                        // we would introduce duplicates.
557
 
                        String address = sanitiseEmailAddress( email.getAddress() );
558
 
                        if( address == null ) continue;
559
 
                        HashSet< String > cache = _contactEmails.get( contactId );
560
 
                        if( cache != null && cache.contains( address ) ) continue;
 
832
                        // we would introduce duplicates
 
833
                        if( _contacts_cache.hasAssociatedEmail( id, email ) )
 
834
                                continue;
561
835
 
562
836
                        // add phone number
563
 
                        ContentValues values = new ContentValues();
564
 
                        values.put( Contacts.ContactMethods.KIND, Contacts.KIND_EMAIL );
565
 
                        values.put( Contacts.ContactMethods.DATA, email.getAddress() );
566
 
                        values.put( Contacts.ContactMethods.TYPE, email.getType() );
567
 
                        if( email.isPreferred() )
568
 
                                values.put( Contacts.ContactMethods.ISPRIMARY, 1 );
569
 
                        _doit.getContentResolver().insert( contactContactMethodsUri,
570
 
                                values );
 
837
                        _backend.addContactEmail( id, email, data );
571
838
 
572
839
                        // and add this address to the cache to prevent a addition of
573
840
                        // duplicate date from another file
574
 
                        if( cache == null ) {
575
 
                                cache = new HashSet< String >();
576
 
                                _contactEmails.put( contactId, cache );
577
 
                        }
578
 
                        cache.add( address );
 
841
                        _contacts_cache.addAssociatedEmail( id, email );
579
842
                }
580
843
        }
581
844
 
582
 
        private void importContactAddresses( Uri contactUri,
583
 
                HashMap< String, ContactData.AddressData > addresses )
 
845
        private void importContactAddresses( Long id,
 
846
                HashMap< String, ContactData.TypeDetail > datas )
 
847
                throws ContactCreationException
584
848
        {
585
 
                Long contactId = ContentUris.parseId( contactUri );
586
 
                Uri contactContactMethodsUri = Uri.withAppendedPath( contactUri,
587
 
                                Contacts.People.ContactMethods.CONTENT_DIRECTORY );
588
 
                Set< String > addressesKeys = addresses.keySet();
589
 
 
590
849
                // add addresses
591
 
                Iterator< String > i = addressesKeys.iterator();
 
850
                Set< String > datas_keys = datas.keySet();
 
851
                Iterator< String > i = datas_keys.iterator();
592
852
                while( i.hasNext() ) {
593
 
                        ContactData.AddressData address = addresses.get( i.next() );
 
853
                        String address = i.next();
 
854
                        ContactData.TypeDetail data = datas.get( address );
594
855
 
595
856
                        // we don't want to add this address if it exists already or we
596
857
                        // would introduce duplicates
597
 
                        if( address == null ) continue;
598
 
                        HashSet< String > cache = _contactAddresses.get( contactId );
599
 
                        if( cache != null && cache.contains( address.getAddress() ) )
 
858
                        if( _contacts_cache.hasAssociatedAddress( id, address ) )
600
859
                                continue;
601
860
 
602
861
                        // add postal address
603
 
                        ContentValues values = new ContentValues();
604
 
                        values.put( Contacts.ContactMethods.KIND, Contacts.KIND_POSTAL );
605
 
                        values.put( Contacts.ContactMethods.DATA, address.getAddress() );
606
 
                        values.put( Contacts.ContactMethods.TYPE, address.getType() );
607
 
                        _doit.getContentResolver().insert( contactContactMethodsUri,
608
 
                                values );
609
 
 
610
 
                        // and add this address to the cache to prevent a addition of
611
 
                        // duplicate date from another file
612
 
                        if( cache == null ) {
613
 
                                cache = new HashSet< String >();
614
 
                                _contactAddresses.put( contactId, cache );
615
 
                        }
616
 
                        cache.add( address.getAddress() );
617
 
                }
 
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 );
618
929
        }
619
930
 
620
931
        synchronized protected void checkAbort() throws AbortImportException
624
935
                        throw new AbortImportException();
625
936
                }
626
937
        }
627
 
 
628
 
        private void buildContactsCache() throws AbortImportException
629
 
        {
630
 
                // update UI
631
 
                setProgressMessage( R.string.doit_caching );
632
 
 
633
 
                String[] cols;
634
 
                Cursor cur;
635
 
 
636
 
                // init contacts caches
637
 
                _contacts = new HashMap< String, Long >();
638
 
                _contactNumbers = new HashMap< Long, HashSet< String > >();
639
 
                _contactEmails = new HashMap< Long, HashSet< String > >();
640
 
                _contactAddresses = new HashMap< Long, HashSet< String > >();
641
 
 
642
 
                // query and store map of contact names to ids
643
 
                cols = new String[] { Contacts.People._ID, Contacts.People.NAME };
644
 
                cur = _doit.managedQuery( Contacts.People.CONTENT_URI,
645
 
                        cols, null, null, null);
646
 
                if( cur.moveToFirst() ) {
647
 
                        int idCol = cur.getColumnIndex( Contacts.People._ID );
648
 
                        int nameCol = cur.getColumnIndex( Contacts.People.NAME );
649
 
                        do {
650
 
                                _contacts.put( cur.getString( nameCol ), cur.getLong( idCol ) );
651
 
                        } while( cur.moveToNext() );
652
 
                }
653
 
 
654
 
                // query and store map of contact ids to sets of phone numbers
655
 
                cols = new String[] { Contacts.Phones.PERSON_ID,
656
 
                                Contacts.Phones.NUMBER };
657
 
                cur = _doit.managedQuery( Contacts.Phones.CONTENT_URI,
658
 
                        cols, null, null, null);
659
 
                if( cur.moveToFirst() ) {
660
 
                        int personIdCol = cur.getColumnIndex( Contacts.Phones.PERSON_ID );
661
 
                        int numberCol = cur.getColumnIndex( Contacts.Phones.NUMBER );
662
 
                        do {
663
 
                                Long id = cur.getLong( personIdCol );
664
 
                                String number = sanitisePhoneNumber(
665
 
                                                cur.getString( numberCol ) );
666
 
                                if( number != null ) {
667
 
                                        HashSet< String > numbers = _contactNumbers.get( id );
668
 
                                        if( numbers == null ) {
669
 
                                                numbers = new HashSet< String >();
670
 
                                                _contactNumbers.put( id, numbers );
671
 
                                        }
672
 
                                        numbers.add( number );
673
 
                                }
674
 
                        } while( cur.moveToNext() );
675
 
                }
676
 
 
677
 
                // query and store map of contact ids to sets of email addresses
678
 
                cols = new String[] { Contacts.ContactMethods.PERSON_ID,
679
 
                                Contacts.ContactMethods.DATA };
680
 
                cur = _doit.managedQuery( Contacts.ContactMethods.CONTENT_URI,
681
 
                                cols, Contacts.ContactMethods.KIND + " = ?",
682
 
                                new String[] { "" + Contacts.KIND_EMAIL }, null );
683
 
                if( cur.moveToFirst() ) {
684
 
                        int personIdCol = cur.getColumnIndex(
685
 
                                Contacts.ContactMethods.PERSON_ID );
686
 
                        int addressCol = cur.getColumnIndex(
687
 
                                Contacts.ContactMethods.DATA );
688
 
                        do {
689
 
                                Long id = cur.getLong( personIdCol );
690
 
                                String address = sanitiseEmailAddress(
691
 
                                        cur.getString( addressCol ) );
692
 
                                if( address != null ) {
693
 
                                        HashSet< String > addresses = _contactEmails.get( id );
694
 
                                        if( addresses == null ) {
695
 
                                                addresses = new HashSet< String >();
696
 
                                                _contactEmails.put( id, addresses );
697
 
                                        }
698
 
                                        addresses.add( address );
699
 
                                }
700
 
                        } while( cur.moveToNext() );
701
 
                }
702
 
 
703
 
                // query and store map of contact ids to sets of postal addresses
704
 
                cols = new String[] { Contacts.ContactMethods.PERSON_ID,
705
 
                        Contacts.ContactMethods.DATA };
706
 
                cur = _doit.managedQuery( Contacts.ContactMethods.CONTENT_URI,
707
 
                        cols, Contacts.ContactMethods.KIND + " = ?",
708
 
                        new String[] { "" + Contacts.KIND_POSTAL }, null );
709
 
                if( cur.moveToFirst() ) {
710
 
                        int personIdCol = cur.getColumnIndex(
711
 
                                Contacts.ContactMethods.PERSON_ID );
712
 
                        int addressCol = cur.getColumnIndex(
713
 
                                Contacts.ContactMethods.DATA );
714
 
                        do {
715
 
                                Long id = cur.getLong( personIdCol );
716
 
                                String address = cur.getString( addressCol );
717
 
                                if( address != null ) {
718
 
                                        HashSet< String > addresses = _contactAddresses.get( id );
719
 
                                        if( addresses == null ) {
720
 
                                                addresses = new HashSet< String >();
721
 
                                                _contactAddresses.put( id, addresses );
722
 
                                        }
723
 
                                        addresses.add( address );
724
 
                                }
725
 
                        } while( cur.moveToNext() );
726
 
                }
727
 
        }
728
 
 
729
 
        private String sanitisePhoneNumber( String number )
730
 
        {
731
 
                number = number.replaceAll( "[-\\(\\) ]", "" );
732
 
                Pattern p = Pattern.compile( "^[\\+0-9#*]+" );
733
 
                Matcher m = p.matcher( number );
734
 
                if( m.lookingAt() ) return m.group( 0 );
735
 
                return null;
736
 
        }
737
 
 
738
 
        private String sanitiseEmailAddress( String address )
739
 
        {
740
 
                address = address.trim();
741
 
                Pattern p = Pattern.compile(
742
 
                        "^[^ @]+@[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?(\\.[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?)+$" );
743
 
                Matcher m = p.matcher( address );
744
 
                if( m.matches() ) {
745
 
                        String[] bits = address.split( "@" );
746
 
                        return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase();
747
 
                }
748
 
                return null;
749
 
        }
750
938
}