420
462
@SuppressWarnings("serial")
421
463
protected class SkipImportException extends Exception { }
423
private String extractCollonPartFromLine( ByteBuffer buffer,
424
String line, boolean former )
465
private String extractCollonPartFromLine( ContentLine content_line,
426
468
String ret = null;
428
// get a US-ASCII version of the line for processing, unless we were
432
line = new String( buffer.array(), buffer.position(),
433
buffer.limit() - buffer.position(), "US-ASCII" );
435
catch( UnsupportedEncodingException e ) {
436
// we know US-ASCII is supported, so appease the compiler...
441
470
// split line into name and value parts and check to make sure we
442
471
// only got 2 parts and that the first part is not zero in length
443
String[] parts = line.split( ":", 2 );
472
String[] parts = content_line.getUsAsciiLine().split( ":", 2 );
444
473
if( parts.length == 2 && parts[ 0 ].length() > 0 )
445
474
ret = parts[ former? 0 : 1 ];
450
private String extractNameAndParamsFromLine( ByteBuffer buffer,
453
return extractCollonPartFromLine( buffer, line, true );
456
private String extractValueFromLine( ByteBuffer buffer, String line )
458
return extractCollonPartFromLine( buffer, line, false );
461
public void parseLine( ByteBuffer buffer, String line,
462
boolean next_line_looks_folded )
479
private String extractNameAndParamsFromLine( ContentLine content_line )
481
return extractCollonPartFromLine( content_line, true ).trim();
484
private String extractValueFromLine( ContentLine content_line )
486
return extractCollonPartFromLine( content_line, false );
489
public void parseLine( ContentLine content_line )
463
490
throws ParseException, SkipImportException,
464
491
AbortImportException
469
496
// tentatively get name and params from line
470
497
String name_and_params =
471
extractNameAndParamsFromLine( buffer, line );
498
extractNameAndParamsFromLine( content_line );
473
500
// is it a version line?
474
501
if( name_and_params != null &&
475
name_and_params.equals( "VERSION" ) )
502
name_and_params.equalsIgnoreCase( "VERSION" ) )
478
String value = extractValueFromLine( buffer, line );
505
String value = extractValueFromLine( content_line ).trim();
479
506
if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
480
507
throw new ParseException( R.string.error_vcf_version );
481
508
_version = value;
483
510
// parse any buffers we've been accumulating while we waited
485
if( _buffers != null )
486
for( int i = 0; i < _buffers.size(); i++ )
487
parseLine( _buffers.get( i ), null,
488
i + 1 < _buffers.size() &&
489
_buffers.get( i + 1 ).hasRemaining() &&
490
_buffers.get( i + 1 ).get(
491
_buffers.get( i + 1 ).position() ) == ' ' );
512
if( _content_lines != null )
513
for( int i = 0; i < _content_lines.size(); i++ )
514
parseLine( _content_lines.get( i ) );
515
_content_lines = null;
496
519
// no, so stash this line till we get a version
497
if( _buffers == null )
498
_buffers = new Vector< ByteBuffer >();
499
_buffers.add( buffer );
520
if( _content_lines == null )
521
_content_lines = new Vector< ContentLine >();
522
_content_lines.add( content_line );
504
527
// name and params and the position in the buffer where the
505
// "value" part of the line start
528
// "value" part of the line starts
506
529
String name_and_params;
569
597
// determine whether we care about this entry
570
598
final HashSet< String > interesting_fields =
571
new HashSet< String >( Arrays.asList( new String[]
572
{ "N", "FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR" }
599
new HashSet< String >( Arrays.asList( new String[] { "N",
600
"FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR", "LABEL" }
574
602
boolean is_interesting_field =
575
interesting_fields.contains( name_param_parts[ 0 ] );
603
interesting_fields.contains(
604
name_param_parts[ 0 ].toUpperCase( Locale.US ) );
577
606
// parse encoding parameter
578
607
String encoding = checkParam( name_param_parts, "ENCODING" );
579
if( encoding != null ) encoding = encoding.toUpperCase();
608
if( encoding != null )
609
encoding = encoding.toUpperCase( Locale.US );
580
610
if( is_interesting_field && encoding != null &&
581
!encoding.equals( "8BIT" ) &&
582
!encoding.equals( "QUOTED-PRINTABLE" ) )
583
//&& !encoding.equals( "BASE64" ) )
611
!encoding.equalsIgnoreCase( "8BIT" ) &&
612
!encoding.equalsIgnoreCase( "QUOTED-PRINTABLE" ) )
613
//&& !encoding.equalsIgnoreCase( "BASE64" ) )
585
615
throw new ParseException( R.string.error_vcf_encoding );
588
618
// parse charset parameter
589
619
String charset = checkParam( name_param_parts, "CHARSET" );
590
if( charset != null ) charset = charset.toUpperCase();
620
if( charset != null )
621
charset = charset.toUpperCase( Locale.US );
591
622
if( charset != null &&
592
!charset.equals( "US-ASCII" ) &&
593
!charset.equals( "ASCII" ) &&
594
!charset.equals( "UTF-8" ) )
623
!charset.equalsIgnoreCase( "US-ASCII" ) &&
624
!charset.equalsIgnoreCase( "ASCII" ) &&
625
!charset.equalsIgnoreCase( "UTF-8" ) )
596
627
throw new ParseException( R.string.error_vcf_charset );
599
630
// do unencoding (or default to a fake unencoding result with
600
631
// the raw string)
601
632
UnencodeResult unencoding_result = null;
602
if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
633
if( encoding != null &&
634
encoding.equalsIgnoreCase( "QUOTED-PRINTABLE" ) )
603
636
unencoding_result = unencodeQuotedPrintable( value );
604
// else if( encoding != null && encoding.equals( "BASE64" ) )
638
// else if( encoding != null &&
639
// encoding.equalsIgnoreCase( "BASE64" ) )
605
641
// unencoding_result = unencodeBase64( props[ 1 ], charset );
606
643
if( unencoding_result != null ) {
607
644
value = unencoding_result.getBuffer();
608
645
if( unencoding_result.isAnotherLineRequired() )
609
646
_parser_multiline_state = MULTILINE_ENCODED;
612
// convert 8-bit ASCII charset to US-ASCII
613
if( charset == null || charset.equals( "ASCII" ) ) {
649
// convert 8-bit US-ASCII charset to UTF-8 (where no charset is
650
// specified for a v2.1 vcard entry, we assume it's US-ASCII)
651
if( ( charset == null && _version.equals( "2.1" ) ) ||
652
( charset != null && (
653
charset.equalsIgnoreCase( "ASCII" ) ||
654
charset.equalsIgnoreCase( "US-ASCII" ) ) ) )
614
656
value = transcodeAsciiToUtf8( value );
659
// process charset (value is now in UTF-8)
619
660
String string_value;
621
662
string_value = new String( value.array(), value.position(),
622
value.limit() - value.position(), charset );
663
value.limit() - value.position(), "UTF-8" );
623
664
} catch( UnsupportedEncodingException e ) {
624
665
throw new ParseException( R.string.error_vcf_charset );
658
699
if( complete_value.length() < 1 ) return;
660
701
// parse some properties
661
if( name_param_parts[ 0 ].equals( "N" ) )
702
if( name_param_parts[ 0 ].equalsIgnoreCase( "N" ) )
662
703
parseN( name_param_parts, complete_value );
663
else if( name_param_parts[ 0 ].equals( "FN" ) )
704
else if( name_param_parts[ 0 ].equalsIgnoreCase( "FN" ) )
664
705
parseFN( name_param_parts, complete_value );
665
else if( name_param_parts[ 0 ].equals( "ORG" ) )
706
else if( name_param_parts[ 0 ].equalsIgnoreCase( "ORG" ) )
666
707
parseORG( name_param_parts, complete_value );
667
else if( name_param_parts[ 0 ].equals( "TITLE" ) )
708
else if( name_param_parts[ 0 ].equalsIgnoreCase( "TITLE" ) )
668
709
parseTITLE( name_param_parts, complete_value );
669
else if( name_param_parts[ 0 ].equals( "TEL" ) )
710
else if( name_param_parts[ 0 ].equalsIgnoreCase( "TEL" ) )
670
711
parseTEL( name_param_parts, complete_value );
671
else if( name_param_parts[ 0 ].equals( "EMAIL" ) )
712
else if( name_param_parts[ 0 ].equalsIgnoreCase( "EMAIL" ) )
672
713
parseEMAIL( name_param_parts, complete_value );
673
else if( name_param_parts[ 0 ].equals( "ADR" ) )
714
else if( name_param_parts[ 0 ].equalsIgnoreCase( "ADR" ) )
674
715
parseADR( name_param_parts, complete_value );
716
else if( name_param_parts[ 0 ].equalsIgnoreCase( "LABEL" ) )
717
parseLABEL( name_param_parts, complete_value );
718
else if( name_param_parts[ 0 ].equalsIgnoreCase( "NOTE" ) )
719
parseNOTE( name_param_parts, complete_value );
727
773
return parts.toArray( ret );
776
private String unescapeValue( String value )
778
StringBuilder ret = new StringBuilder( value.length() );
779
boolean in_escape = false;
780
for( int a = 0; a < value.length(); a++ )
782
int c = value.codePointAt( a );
784
// process a normal character
789
ret.append( Character.toChars( c ) );
793
// process an escape sequence
799
// add tab (invalid/non-standard, but accepted)
810
// add escaped character
811
ret.append( Character.toChars( c ) );
814
// unknown escape sequence, so add it unescaped
815
// (invalid/non-standard, but accepted)
817
ret.append( Character.toChars( c ) );
822
return ret.toString();
730
825
private void parseN( String[] params, String value )
732
827
// already got a better name?
733
828
if( _name_level >= NAMELEVEL_N ) return;
735
830
// get name parts
736
String[] name_parts = splitValueBySemicolon( value );
831
String[] name_parts = splitValueByCharacter( value, ';' );
740
if( name_parts.length > 1 && name_parts[ 1 ].length() > 0 )
741
value += name_parts[ 1 ];
742
if( name_parts.length > 0 && name_parts[ 0 ].length() > 0 )
743
value += ( value.length() == 0? "" : " " ) + name_parts[ 0 ];
835
final int[] part_order = { 3, 1, 2, 0, 4 };
836
for( int a = 0; a < part_order.length; a++ )
837
if( name_parts.length > part_order[ a ] &&
838
name_parts[ part_order[ a ] ].length() > 0 )
840
// split this part in to it's comma-separated bits
841
String[] name_part_parts = splitValueByCharacter(
842
name_parts[ part_order[ a ] ], ',' );
843
for( int b = 0; b < name_part_parts.length; b++ )
844
if( name_part_parts[ b ].length() > 0 )
846
if( value.length() > 0 ) value += " ";
847
value += name_part_parts[ b ];
852
setName( unescapeValue( value ) );
747
853
_name_level = NAMELEVEL_N;
843
951
boolean is_preferred = types.contains( "PREF" );
845
953
if( types.contains( "WORK" ) )
846
type = Contacts.ContactMethods.TYPE_WORK;
848
type = Contacts.ContactMethods.TYPE_HOME;
850
addEmail( value, type, is_preferred );
958
addEmail( unescapeValue( value ), type, is_preferred );
853
961
private void parseADR( String[] params, String value )
855
963
// get address parts
856
String[] adr_parts = splitValueBySemicolon( value );
964
String[] adr_parts = splitValueByCharacter( value, ';' );
860
for( int a = 0; a < adr_parts.length; a++ ) {
861
if( value.length() > 0 ) value += "\n";
862
value += adr_parts[ a ].trim();
865
Set< String > types = extractTypes( params, Arrays.asList(
866
"PREF", "WORK", "HOME", "INTERNET" ) );
870
if( types.contains( "WORK" ) )
871
type = Contacts.ContactMethods.TYPE_WORK;
873
type = Contacts.ContactMethods.TYPE_HOME;
875
addAddress( value, type );
968
for( int a = 0; a < adr_parts.length; a++ )
969
if( adr_parts[ a ].length() > 0 )
971
// version 3.0 vCards allow further splitting by comma
972
if( _version.equals( "3.0" ) )
974
// split this part in to it's comma-separated bits and
975
// add them on individual lines
976
String[] adr_part_parts =
977
splitValueByCharacter( adr_parts[ a ], ',' );
978
for( int b = 0; b < adr_part_parts.length; b++ )
979
if( adr_part_parts[ b ].length() > 0 )
981
if( value.length() > 0 ) value += "\n";
982
value += adr_part_parts[ b ];
987
// add this part on an individual line
988
if( value.length() > 0 ) value += "\n";
989
value += adr_parts[ a ];
993
Set< String > types = extractTypes( params, Arrays.asList(
994
"PREF", "WORK", "HOME" ) );
998
if( types.contains( "WORK" ) )
1003
addAddress( unescapeValue( value ), type );
1006
private void parseLABEL( String[] params, String value )
1008
Set< String > types = extractTypes( params, Arrays.asList(
1009
"PREF", "WORK", "HOME" ) );
1013
if( types.contains( "WORK" ) )
1018
addAddress( unescapeValue( value ), type );
1021
private void parseNOTE( String[] params, String value )
1023
addNote( unescapeValue( value ) );
878
1026
public void finaliseVcard()
879
1027
throws ParseException, ContactNotIdentifiableException
881
1029
// missing version (and data is present)
882
if( _version == null && _buffers != null )
1030
if( _version == null && _content_lines != null )
883
1031
throw new ParseException( R.string.error_vcf_malformed );
885
1033
// finalise the parent class
1038
* Amongst the params, find the value of the first, only, of any with
1039
* the specified name
1042
* @return a value, or null
889
1044
private String checkParam( String[] params, String name )
1046
String[] res = checkParams( params, name );
1047
return res.length > 0? res[ 0 ] : null;
1051
* Amongst the params, find the values of any with the specified name
1054
* @return an array of values, or null
1056
private String[] checkParams( String[] params, String name )
1058
HashSet< String > ret = new HashSet< String >();
891
1060
Pattern p = Pattern.compile(
892
"^" + name + "[ \\t]*=[ \\t]*(\"?)(.*)\\1$" );
1061
"^" + name + "[ \\t]*=[ \\t]*(\"?)(.*)\\1$",
1062
Pattern.CASE_INSENSITIVE );
893
1063
for( int i = 0; i < params.length; i++ ) {
894
1064
Matcher m = p.matcher( params[ i ] );
895
1065
if( m.matches() )
1066
ret.add( m.group( 2 ) );
1069
return (String[]) ret.toArray( new String[ ret.size() ] );
1073
* Amongst the params, return any type values present. For v2.1 vCards,
1074
* those types are just parameters. For v3.0, they are prefixed with
1075
* "TYPE=". There may also be multiple type parameters.
1076
* @param params an array of params to look for types in
1077
* @param valid_types an list of upper-case type values to look for
1078
* @return a set of present type values
901
1080
private Set< String > extractTypes( String[] params,
902
1081
List< String > valid_types )
904
1083
HashSet< String > types = new HashSet< String >();
906
1085
// get 3.0-style TYPE= param
908
if( ( type_param = checkParam( params, "TYPE" ) ) != null ) {
909
String[] parts = type_param.split( "," );
910
for( int i = 0; i < parts.length; i++ )
911
if( valid_types.contains( parts[ i ] ) )
912
types.add( parts[ i ] );
1086
String type_params[] = checkParams( params, "TYPE" );
1087
for( int a = 0; a < type_params.length; a++ )
1089
// check for a comma-separated list of types (why? I don't think
1090
// this is in the specs!)
1091
String[] parts = type_params[ a ].split( "," );
1092
for( int i = 0; i < parts.length; i++ ) {
1093
String ucpart = parts[ i ].toUpperCase( Locale.US );
1094
if( valid_types.contains( ucpart ) )
1095
types.add( ucpart );
915
1099
// get 2.1-style type param
916
1100
if( _version.equals( "2.1" ) ) {
917
for( int i = 1; i < params.length; i++ )
918
if( valid_types.contains( params[ i ] ) )
919
types.add( params[ i ] );
1101
for( int i = 1; i < params.length; i++ ) {
1102
String ucparam = params[ i ].toUpperCase( Locale.US );
1103
if( valid_types.contains( ucparam ) )
1104
types.add( ucparam );