53
49
private Doit _doit;
54
50
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;
51
private int _response_extra;
52
private int _merge_setting;
53
private int _last_merge_decision;
62
54
private boolean _abort = false;
63
private boolean _isFinished = false;
55
private boolean _is_finished = false;
56
private ContactsCache _contacts_cache = null;
57
private Backend _backend = null;
60
* Data about a contact
65
62
public class ContactData
69
public String _number;
71
public boolean _isPreferred;
73
public PhoneData( String number, int type, boolean isPreferred ) {
76
_isPreferred = isPreferred;
79
public String getNumber() {
83
public int getType() {
87
public boolean isPreferred() {
94
private String _email;
96
private boolean _isPreferred;
98
public EmailData( String email, int type, boolean isPreferred ) {
101
_isPreferred = isPreferred;
104
public String getAddress() {
108
public int getType() {
112
public boolean isPreferred() {
119
private String _address;
122
public AddressData( String address, int type ) {
127
public String getAddress() {
131
public int getType() {
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;
68
public TypeDetail( int type )
79
class PreferredDetail extends TypeDetail
81
protected boolean _is_preferred;
83
public PreferredDetail( int type, boolean is_preferred )
86
_is_preferred = is_preferred;
89
public boolean isPreferred()
95
class ExtraDetail extends PreferredDetail
97
protected String _extra;
99
public ExtraDetail( int type, boolean is_preferred, String extra )
101
super( type, is_preferred );
103
if( extra != null ) extra = extra.trim();
107
public String getExtra()
112
public void setExtra( String extra )
114
if( extra != null ) extra = extra.trim();
119
@SuppressWarnings("serial")
120
protected class ContactNotIdentifiableException extends Exception
124
protected String _name = null;
125
protected String _primary_organisation = null;
126
protected boolean _primary_organisation_is_preferred;
127
protected String _primary_number = null;
128
protected int _primary_number_type;
129
protected boolean _primary_number_is_preferred;
130
protected String _primary_email = null;
131
protected boolean _primary_email_is_preferred;
132
protected HashMap< String, ExtraDetail > _organisations = null;
133
protected HashMap< String, PreferredDetail > _numbers = null;
134
protected HashMap< String, PreferredDetail > _emails = null;
135
protected HashMap< String, TypeDetail > _addresses = null;
137
private ContactsCache.CacheIdentifier _cache_identifier = null;
141
139
protected void setName( String name )
144
public boolean hasName()
146
return _name != null;
146
149
public String getName()
151
protected void addPhone( String number, int type, boolean isPreferred )
153
if( _phones == null ) _phones = new HashMap< String, PhoneData >();
154
if( !_phones.containsKey( number ) )
156
new PhoneData( number, type, isPreferred ) );
159
protected void addEmail( String email, int type, boolean isPreferred )
161
if( _emails == null ) _emails = new HashMap< String, EmailData >();
154
protected void addOrganisation( String organisation, String title,
155
boolean is_preferred )
157
organisation = organisation.trim();
158
if( organisation.length() <= 0 )
160
// TODO: warn that an imported organisation is being ignored
164
if( title != null ) {
165
title = title.trim();
166
if( title.length() <= 0 ) title = null;
169
// add the organisation, as non-preferred (we prefer only one
170
// organisation in finalise() after they're all imported)
171
if( _organisations == null )
172
_organisations = new HashMap< String, ExtraDetail >();
173
if( !_organisations.containsKey( organisation ) )
174
_organisations.put( organisation,
175
new ExtraDetail( 0, false, title ) );
177
// if this is the first organisation added, or it's a preferred
178
// organisation and the current primary organisation isn't, then
179
// record this as the primary organisation.
180
if( _primary_organisation == null ||
181
( is_preferred && !_primary_organisation_is_preferred ) )
183
_primary_organisation = organisation;
184
_primary_organisation_is_preferred = is_preferred;
188
public boolean hasOrganisations()
190
return _organisations != null && _organisations.size() > 0;
193
public HashMap< String, ExtraDetail > getOrganisations()
195
return _organisations;
198
public boolean hasPrimaryOrganisation()
200
return _primary_organisation != null;
203
public String getPrimaryOrganisation()
205
return _primary_organisation;
208
protected void addNumber( String number, int type,
209
boolean is_preferred )
211
number = sanitisePhoneNumber( number );
214
// TODO: warn that an imported phone number is being ignored
218
// add the number, as non-preferred (we prefer only one number
219
// in finalise() after they're all imported)
220
if( _numbers == null )
221
_numbers = new HashMap< String, PreferredDetail >();
222
if( !_numbers.containsKey( number ) )
223
_numbers.put( number,
224
new PreferredDetail( type, false ) );
226
final Set< Integer > non_voice_types = new HashSet< Integer >(
227
Arrays.asList( PhonesColumns.TYPE_FAX_HOME,
228
PhonesColumns.TYPE_FAX_WORK, PhonesColumns.TYPE_PAGER ) );
230
// if this is the first number added, or it's a preferred number
231
// and the current primary number isn't, or this number is on equal
232
// standing with the primary number in terms of preference and it is
233
// a voice number and the primary number isn't, then record this as
234
// the primary number.
235
if( _primary_number == null ||
236
( is_preferred && !_primary_number_is_preferred ) ||
237
( is_preferred == _primary_number_is_preferred &&
238
!non_voice_types.contains( type ) &&
239
non_voice_types.contains( _primary_number_type ) ) )
241
_primary_number = number;
242
_primary_number_type = type;
243
_primary_number_is_preferred = is_preferred;
247
public boolean hasNumbers()
249
return _numbers != null && _numbers.size() > 0;
252
public HashMap< String, PreferredDetail > getNumbers()
257
public boolean hasPrimaryNumber()
259
return _primary_number != null;
262
public String getPrimaryNumber()
264
return _primary_number;
267
protected void addEmail( String email, int type, boolean is_preferred )
270
email = sanitisesEmailAddress( email );
273
// TODO: warn that an imported email address is being ignored
277
// add the email, as non-preferred (we prefer only one email in
278
// finalise() after they're all imported)
279
if( _emails == null )
280
_emails = new HashMap< String, PreferredDetail >();
162
281
if( !_emails.containsKey( email ) )
163
_emails.put( email, new EmailData( email, type, isPreferred ) );
282
_emails.put( email, new PreferredDetail( type, false ) );
284
// if this is the first email added, or it's a preferred email and
285
// the current primary organisation isn't, then record this as the
287
if( _primary_email == null ||
288
( is_preferred && !_primary_email_is_preferred ) )
290
_primary_email = email;
291
_primary_email_is_preferred = is_preferred;
295
public boolean hasEmails()
297
return _emails != null && _emails.size() > 0;
300
public HashMap< String, PreferredDetail > getEmails()
305
public boolean hasPrimaryEmail()
307
return _primary_email != null;
310
public String getPrimaryEmail()
312
return _primary_email;
166
315
protected void addAddress( String address, int type )
317
address = address.trim();
318
if( address.length() <= 0 )
320
// TODO: warn that an imported address is being ignored
168
324
if( _addresses == null ) _addresses =
169
new HashMap< String, AddressData >();
325
new HashMap< String, TypeDetail >();
170
326
if( !_addresses.containsKey( address ) )
171
_addresses.put( address, new AddressData( address, type ) );
327
_addresses.put( address, new TypeDetail( type ) );
330
public boolean hasAddresses()
332
return _addresses != null && _addresses.size() > 0;
335
public HashMap< String, TypeDetail > getAddresses()
340
protected void finalise()
341
throws ContactNotIdentifiableException
343
// ensure that if there is a primary number, it is preferred so
344
// that there is always one preferred number. Android will assign
345
// preference to one anyway so we might as well decide one sensibly.
346
if( _primary_number != null ) {
347
PreferredDetail data = _numbers.get( _primary_number );
348
_numbers.put( _primary_number,
349
new PreferredDetail( data.getType(), true ) );
352
// do the same for the primary email
353
if( _primary_email != null ) {
354
PreferredDetail data = _emails.get( _primary_email );
355
_emails.put( _primary_email,
356
new PreferredDetail( data.getType(), true ) );
359
// do the same for the primary organisation
360
if( _primary_organisation != null ) {
361
ExtraDetail data = _organisations.get( _primary_organisation );
362
_organisations.put( _primary_organisation,
363
new ExtraDetail( 0, true, data.getExtra() ) );
366
// create a cache identifier from this contact data, which can be
367
// used to look-up an existing contact
368
_cache_identifier = ContactsCache.createIdentifier( this );
369
if( _cache_identifier == null )
370
throw new ContactNotIdentifiableException();
373
public ContactsCache.CacheIdentifier getCacheIdentifier()
375
return _cache_identifier;
378
private String sanitisePhoneNumber( String number )
380
number = number.trim();
381
Pattern p = Pattern.compile( "^[-\\(\\) \\+0-9#*]+" );
382
Matcher m = p.matcher( number );
383
if( m.lookingAt() ) return m.group( 0 );
387
private String sanitisesEmailAddress( String email )
389
email = email.trim();
390
Pattern p = Pattern.compile(
391
"^[^ @]+@[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?(\\.[a-zA-Z]([-a-zA-Z0-9]*[a-zA-z0-9])?)+$" );
392
Matcher m = p.matcher( email );
394
String[] bits = email.split( "@" );
395
return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase();
660
// It is expected that we use contact.getCacheIdentifier() here. The
661
// contact we are passed should have been successfully finalise()d,
662
// which includes generating a valid cache identifier.
663
ContactsCache.CacheIdentifier cache_identifier =
664
contact.getCacheIdentifier();
666
// check to see if this contact is a duplicate and should be skipped
667
if( !checkForDuplicate( cache_identifier, _merge_setting ) ) {
424
672
// if( !showContinue( "====[ IMPORTING ]====\n: " + contact._name ) )
425
673
// finish( ACTION_ABORT );
427
ContentValues values = new ContentValues();
428
boolean uiInformed = false;
675
// keep track of whether we've informed the UI of what we're doing
676
boolean ui_informed = false;
678
// attempt to lookup the id of an existing contact in the cache with
679
// this contact data's cache identifier
680
Long id = (Long)_contacts_cache.lookup( cache_identifier );
430
682
// does contact exist already?
431
Uri contactUri = null;
433
if( ( id = (Long)_contacts.get( contact._name ) ) != null )
435
685
// should we skip this import altogether?
436
if( _lastMergeDecision == Doit.ACTION_KEEP ) return;
439
contactUri = ContentUris.withAppendedId(
440
Contacts.People.CONTENT_URI, id );
686
if( _last_merge_decision == Doit.ACTION_KEEP ) return;
442
688
// should we destroy the existing contact before importing?
443
if( _lastMergeDecision == Doit.ACTION_OVERWRITE ) {
444
_doit.getContentResolver().delete( contactUri, null, null );
689
if( _last_merge_decision == Doit.ACTION_OVERWRITE )
691
// remove from device
692
_backend.deleteContact( id );
695
_contacts_cache.removeLookup( cache_identifier );
696
_contacts_cache.removeAssociatedData( id );
698
// show that we're overwriting a contact
448
699
_doit._handler.sendEmptyMessage(
449
700
Doit.MESSAGE_CONTACTOVERWRITTEN );
453
_contacts.remove( contact._name );
703
// discard the contact id
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 )
708
// if we don't have a contact id yet (or we did, but we destroyed it
709
// when we deleted the contact), we'll have to create a new contact
461
712
// 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!
468
// try to add them to the "My Contacts" group
470
Contacts.People.addToMyContactsGroup(
471
_doit.getContentResolver(), id );
473
catch( IllegalStateException e ) {
474
// ignore any failure
713
id = _backend.addContact( contact._name );
715
showError( R.string.error_unabletoaddcontact );
478
_contacts.put( contact._name, id );
718
_contacts_cache.addLookup( cache_identifier, id );
720
// if we haven't already shown that we're overwriting a contact,
721
// show that we're creating a new contact
482
723
_doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTCREATED );
728
// if we haven't already shown that we're overwriting or creating a
729
// contact, show that we're merging a contact
489
731
_doit._handler.sendEmptyMessage( Doit.MESSAGE_CONTACTMERGED );
491
733
// 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 );
734
if( contact.hasNumbers() )
735
importContactPhones( id, contact.getNumbers() );
736
if( contact.hasEmails() )
737
importContactEmails( id, contact.getEmails() );
738
if( contact.hasAddresses() )
739
importContactAddresses( id, contact.getAddresses() );
740
if( contact.hasOrganisations() )
741
importContactOrganisations( id, contact.getOrganisations() );
500
private void importContactPhones( Uri contactUri,
501
HashMap< String, ContactData.PhoneData > phones )
744
private void importContactPhones( Long id,
745
HashMap< String, ContactData.PreferredDetail > datas )
503
Long contactId = ContentUris.parseId( contactUri );
504
Uri contactPhonesUri = Uri.withAppendedPath( contactUri,
505
Contacts.People.Phones.CONTENT_DIRECTORY );
506
Set< String > phonesKeys = phones.keySet();
508
747
// add phone numbers
509
Iterator< String > i = phonesKeys.iterator();
748
Set< String > datas_keys = datas.keySet();
749
Iterator< String > i = datas_keys.iterator();
510
750
while( i.hasNext() ) {
511
ContactData.PhoneData phone = phones.get( i.next() );
751
String number = i.next();
752
ContactData.PreferredDetail data = datas.get( number );
513
754
// we don't want to add this number if it's crap, or it already
514
755
// exists (which would cause a duplicate to be created). We don't
517
758
// if the number exists at all, it doesn't need importing. Because
518
759
// of this, we also can't update the cache (which we don't need to
519
760
// 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;
761
if( _contacts_cache.hasAssociatedNumber( id, number ) )
525
764
// 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 );
765
_backend.addContactPhone( id, number, data );
532
767
// and add this address to the cache to prevent a addition of
533
768
// duplicate date from another file
534
if( cache == null ) {
535
cache = new HashSet< String >();
536
_contactNumbers.put( contactId, cache );
769
_contacts_cache.addAssociatedNumber( id, number );
542
private void importContactEmails( Uri contactUri,
543
HashMap< String, ContactData.EmailData > emails )
773
private void importContactEmails( Long id,
774
HashMap< String, ContactData.PreferredDetail > datas )
545
Long contactId = ContentUris.parseId( contactUri );
546
Uri contactContactMethodsUri = Uri.withAppendedPath( contactUri,
547
Contacts.People.ContactMethods.CONTENT_DIRECTORY );
548
Set< String > emailsKeys = emails.keySet();
550
776
// add email addresses
551
Iterator< String > i = emailsKeys.iterator();
777
Set< String > datas_keys = datas.keySet();
778
Iterator< String > i = datas_keys.iterator();
552
779
while( i.hasNext() ) {
553
ContactData.EmailData email = emails.get( i.next() );
780
String email = i.next();
781
ContactData.PreferredDetail data = datas.get( email );
555
783
// we don't want to add this email address if it exists already or
556
784
// 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;
785
if( _contacts_cache.hasAssociatedEmail( id, email ) )
562
788
// 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,
789
_backend.addContactEmail( id, email, data );
572
791
// and add this address to the cache to prevent a addition of
573
792
// duplicate date from another file
574
if( cache == null ) {
575
cache = new HashSet< String >();
576
_contactEmails.put( contactId, cache );
578
cache.add( address );
793
_contacts_cache.addAssociatedEmail( id, email );
582
private void importContactAddresses( Uri contactUri,
583
HashMap< String, ContactData.AddressData > addresses )
797
private void importContactAddresses( Long id,
798
HashMap< String, ContactData.TypeDetail > datas )
585
Long contactId = ContentUris.parseId( contactUri );
586
Uri contactContactMethodsUri = Uri.withAppendedPath( contactUri,
587
Contacts.People.ContactMethods.CONTENT_DIRECTORY );
588
Set< String > addressesKeys = addresses.keySet();
591
Iterator< String > i = addressesKeys.iterator();
801
Set< String > datas_keys = datas.keySet();
802
Iterator< String > i = datas_keys.iterator();
592
803
while( i.hasNext() ) {
593
ContactData.AddressData address = addresses.get( i.next() );
804
String address = i.next();
805
ContactData.TypeDetail data = datas.get( address );
595
807
// we don't want to add this address if it exists already or we
596
808
// would introduce duplicates
597
if( address == null ) continue;
598
HashSet< String > cache = _contactAddresses.get( contactId );
599
if( cache != null && cache.contains( address.getAddress() ) )
809
if( _contacts_cache.hasAssociatedAddress( id, address ) )
602
812
// 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,
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 );
616
cache.add( address.getAddress() );
813
_backend.addContactAddresses( id, address, data );
815
// and add this address to the cache to prevent a addition of
816
// duplicate date from another file
817
_contacts_cache.addAssociatedAddress( id, address );
821
private void importContactOrganisations( Long id,
822
HashMap< String, ContactData.ExtraDetail > datas )
825
Set< String > datas_keys = datas.keySet();
826
Iterator< String > i = datas_keys.iterator();
827
while( i.hasNext() ) {
828
String organisation = i.next();
829
ContactData.ExtraDetail data = datas.get( organisation );
831
// we don't want to add this address if it exists already or we
832
// would introduce duplicates
833
if( _contacts_cache.hasAssociatedOrganisation( id, organisation ) )
836
// add organisation address
837
_backend.addContactOrganisation( id, organisation, data );
839
// and add this address to the cache to prevent a addition of
840
// duplicate date from another file
841
_contacts_cache.addAssociatedOrganisation( id, organisation );
624
849
throw new AbortImportException();
628
private void buildContactsCache() throws AbortImportException
631
setProgressMessage( R.string.doit_caching );
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 > >();
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 );
650
_contacts.put( cur.getString( nameCol ), cur.getLong( idCol ) );
651
} while( cur.moveToNext() );
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 );
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 );
672
numbers.add( number );
674
} while( cur.moveToNext() );
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 );
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 );
698
addresses.add( address );
700
} while( cur.moveToNext() );
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 );
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 );
723
addresses.add( address );
725
} while( cur.moveToNext() );
729
private String sanitisePhoneNumber( String number )
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 );
738
private String sanitiseEmailAddress( String address )
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 );
745
String[] bits = address.split( "@" );
746
return bits[ 0 ] + "@" + bits[ 1 ].toLowerCase();