151
140
private void importVCardFile( File file ) throws AbortImportException
153
// check file is good
155
showError( getText( R.string.error_filenotfound ) +
157
if( file.length() == 0 )
158
showError( getText( R.string.error_fileisempty ) +
164
FileInputStream istream = new FileInputStream( file );
165
byte[] content = new byte[ (int)file.length() ];
166
istream.read( content );
169
importVCardFileContent( content, file.getName() );
145
BufferedReader reader = new BufferedReader(
146
new FileReader( file ) );
149
StringBuffer content = new StringBuffer();
151
while( ( line = reader.readLine() ) != null )
152
content.append( line ).append( "\n" );
154
importVCardFileContent( content.toString(), file.getName() );
171
156
catch( FileNotFoundException e ) {
172
showError( getText( R.string.error_filenotfound ) +
157
showError( getText( R.string.error_filenotfound ) + file.getName() );
175
159
catch( IOException e ) {
176
160
showError( getText( R.string.error_ioerror ) + file.getName() );
180
private void importVCardFileContent( byte[] content, String fileName )
164
private void importVCardFileContent( String content, String fileName )
181
165
throws AbortImportException
183
ByteBuffer buffers[] = getLinesFromContent( content );
167
// unfold RFC2425 section 5.8.1 folded lines, except that we must also
168
// handle embedded Quoted-Printable encodings that have a trailing '='.
169
// So we remove these first before doing RFC2425 unfolding.
170
content = content.replaceAll( "=\n[ \\t]", "" )
171
.replaceAll( "\n[ \\t]", "" );
173
// get lines and parse them
174
String[] lines = content.split( "\n" );
186
175
VCard vCard = null;
187
for( int i = 0; i < buffers.length; i++ )
176
for( int i = 0; i < lines.length; i++ )
189
// get a US-ASCII version of the line for processing
192
line = new String( buffers[ i ].array(), buffers[ i ].position(),
193
buffers[ i ].limit() - buffers[ i ].position(), "US-ASCII" );
195
catch( UnsupportedEncodingException e ) {
196
// we know US-ASCII is supported, so appease the compiler...
178
String line = lines[ i ];
200
180
if( vCard == null ) {
201
181
// look for vcard beginning
334
@SuppressWarnings("serial")
335
262
protected class SkipContactException extends Exception { }
337
public void parseLine( ByteBuffer buffer )
264
public void parseLine( String line )
338
265
throws ParseException, SkipContactException,
339
266
AbortImportException
341
// get a US-ASCII version of the line for processing
344
line = new String( buffer.array(), buffer.position(),
345
buffer.limit() - buffer.position(), "US-ASCII" );
347
catch( UnsupportedEncodingException e ) {
348
// we know US-ASCII is supported, so appease the compiler...
352
// ignore empty lines
353
if( line.trim() == "" ) return;
355
// split line into name and value parts (this may turn out to be
356
// unwanted if the line is a subsequent line in a multi-line
357
// value, but we have to do this now to check for and handle VCF
358
// versions first). Also, the value part is only created tentatively
359
// because it may have an encoding/charset. Since we're treating it
360
// as UTF-8 (which is compatible with 7-bit US-ASCII) this is ok
361
// though so long as we later use the raw bytes. ALso we check for
362
// malformed property:name pairs.
363
String name_and_params, string_value;
365
String[] bits = line.split( ":", 2 );
366
if( bits.length == 2 ) {
367
name_and_params = bits[ 0 ].trim();
368
string_value = bits[ 1 ].trim();
369
if( name_and_params.length() == 0 )
370
throw new ParseException( R.string.error_vcf_malformed );
374
if( !_parser_in_multiline )
375
throw new ParseException( R.string.error_vcf_malformed );
376
name_and_params = null;
381
// if we haven't yet got a version, we won't be paring anything!
268
// get property halves
269
String[] props = line.split( ":" );
270
for( int i = 0; i < props.length; i++ )
271
props[ i ] = props[ i ].trim();
272
if( props.length < 2 ||
273
props[ 0 ].length() < 1 || props[ 1 ].length() < 1 )
274
throw new ParseException( R.string.error_vcf_malformed );
382
276
if( _version == null )
384
// is this a version?
385
if( name_and_params.equals( "VERSION" ) )
278
if( props[ 0 ].equals( "VERSION" ) )
387
// yes, check/store it
388
if( !string_value.equals( "2.1" ) &&
389
!string_value.equals( "3.0" ) )
281
if( !props[ 1 ].equals( "2.1" ) &&
282
!props[ 1 ].equals( "3.0" ) )
390
283
throw new ParseException( R.string.error_vcf_version );
391
_version = string_value;
284
_version = props[ 1 ];
393
// parse any other buffers we've accumulated so far
394
if( _buffers != null )
395
for( int i = 0; i < _buffers.size(); i++ )
396
parseLine( _buffers.get( i ) );
286
// parse any other lines we've accumulated so far
288
for( int i = 0; i < _lines.size(); i++ )
289
parseLine( _lines.get( i ) );
401
// no, so stash this buffer till we have a version
402
if( _buffers == null )
403
_buffers = new Vector< ByteBuffer >();
404
_buffers.add( buffer );
294
// stash this line till we have a version
296
_lines = new Vector< String >();
409
// value bytes, for processing
412
if( _parser_in_multiline )
414
// if we're currently in a multi-line value, use the stored
415
// property name and parameters
416
name_and_params = _parser_current_name_and_params;
418
// find start of string (skip spaces/tabs)
419
int pos = buffer.position();
420
byte[] buffer_array = buffer.array();
421
while( pos < buffer.limit() && (
422
buffer_array[ pos ] == ' ' ||
423
buffer_array[ pos ] == '\t' ) )
428
// get value from buffer
429
value = ByteBuffer.wrap( buffer.array(), pos,
430
buffer.limit() - pos );
434
// ignore empty values
435
if( string_value.length() < 1 ) return;
437
// calculate how many chars to skip from beginning of line
438
// so we skip the property "name:" part
439
int pos = buffer.position() + name_and_params.length() + 1;
441
// get value from buffer
442
value = ByteBuffer.wrap( buffer.array(), pos,
443
buffer.limit() - pos );
445
// reset the saved multi-line state
446
_parser_current_name_and_params = name_and_params;
447
_parser_buffered_value_so_far = "";
450
302
// get parameter parts
451
String[] name_and_param_bits = name_and_params.split( ";" );
452
for( int i = 0; i < name_and_param_bits.length; i++ )
453
name_and_param_bits[ i ] = name_and_param_bits[ i ].trim();
455
// parse encoding parameter
456
String encoding = checkParam( name_and_param_bits, "ENCODING" );
457
if( encoding != null ) encoding = encoding.toUpperCase();
458
if( encoding != null && !encoding.equals( "8BIT" ) &&
459
!encoding.equals( "QUOTED-PRINTABLE" ) )
460
//&& !encoding.equals( "BASE64" ) )
462
throw new ParseException( R.string.error_vcf_encoding );
465
// parse charset parameter
466
String charset = checkParam( name_and_param_bits, "CHARSET" );
467
if( charset != null ) charset = charset.toUpperCase();
468
if( charset != null && !charset.equals( "US-ASCII" ) &&
469
!charset.equals( "ASCII" ) && !charset.equals( "UTF-8" ) )
471
throw new ParseException( R.string.error_vcf_charset );
474
// do unencoding (or default to a fake unencoding result with
476
UnencodeResult unencoding_result = null;
477
if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
478
unencoding_result = unencodeQuotedPrintable( value );
479
// else if( encoding != null && encoding.equals( "BASE64" ) )
480
// result = unencodeBase64( props[ 1 ], charset );
481
if( unencoding_result != null ) {
482
value = unencoding_result.getBuffer();
483
_parser_in_multiline =
484
unencoding_result.isAnotherLineRequired();
487
// convert 8-bit ASCII charset to US-ASCII
488
if( charset == null || charset == "ASCII" ) {
489
value = transcodeAsciiToUtf8( value );
496
new String( value.array(), value.position(),
497
value.limit() - value.position(), charset );
498
} catch( UnsupportedEncodingException e ) {
499
throw new ParseException( R.string.error_vcf_charset );
502
// handle multi-line requests
503
if( _parser_in_multiline ) {
504
_parser_buffered_value_so_far += string_value;
508
// add on buffered multi-line content
509
String complete_value =
510
_parser_buffered_value_so_far + string_value;
303
String[] params = props[ 0 ].split( ";" );
304
for( int i = 0; i < params.length; i++ )
305
params[ i ] = params[ i ].trim();
512
307
// parse some properties
513
if( name_and_param_bits[ 0 ].equals( "N" ) )
514
parseN( name_and_param_bits, complete_value );
515
else if( name_and_param_bits[ 0 ].equals( "FN" ) )
516
parseFN( name_and_param_bits, complete_value );
517
else if( name_and_param_bits[ 0 ].equals( "ORG" ) )
518
parseORG( name_and_param_bits, complete_value );
519
else if( name_and_param_bits[ 0 ].equals( "TEL" ) )
520
parseTEL( name_and_param_bits, complete_value );
521
else if( name_and_param_bits[ 0 ].equals( "EMAIL" ) )
522
parseEMAIL( name_and_param_bits, complete_value );
308
if( params[ 0 ].equals( "N" ) )
309
parseN( params, props[ 1 ] );
310
else if( params[ 0 ].equals( "FN" ) )
311
parseFN( params, props[ 1 ] );
312
else if( params[ 0 ].equals( "ORG" ) )
313
parseORG( params, props[ 1 ] );
314
else if( params[ 0 ].equals( "TEL" ) )
315
parseTEL( params, props[ 1 ] );
316
else if( params[ 0 ].equals( "EMAIL" ) )
317
parseEMAIL( params, props[ 1 ] );
633
427
AbortImportException
635
429
// missing version (and data is present)
636
if( _version == null && _buffers != null )
430
if( _version == null && _lines != null )
637
431
throw new ParseException( R.string.error_vcf_malformed );
639
433
// missing name properties?
640
if( _name_level == NAMELEVEL_NONE )
434
if( _nameLevel == NAMELEVEL_NONE )
641
435
throw new ParseException( R.string.error_vcf_noname );
643
437
// check if we should import this one? If we've already got an 'N'-
644
438
// type name, this will already have been done by parseN() so we
645
439
// mustn't do this here (or it could prompt twice!)
646
if( _name_level < NAMELEVEL_N && !isImportRequired( getName() ) )
440
if( _nameLevel < NAMELEVEL_N && !isImportRequired( getName() ) )
647
441
throw new SkipContactException();
444
private String undoCharsetAndEncoding( String[] params, String value )
445
throws ParseException
447
// check encoding/charset
448
String charset, encoding;
449
if( ( charset = checkParam( params, "CHARSET" ) ) != null &&
450
!charset.equals( "UTF-8" ) && !charset.equals( "UTF-16" ) )
451
throw new ParseException( R.string.error_vcf_charset );
452
if( ( encoding = checkParam( params, "ENCODING" ) ) != null &&
453
!encoding.equals( "QUOTED-PRINTABLE" ) )
454
throw new ParseException( R.string.error_vcf_encoding );
457
if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
458
return unencodeQuotedPrintable( value, charset );
650
464
private String checkParam( String[] params, String name )
652
466
Pattern p = Pattern.compile( "^" + name + "[ \\t]*=[ \\t]*(.*)$" );
685
private UnencodeResult unencodeQuotedPrintable( ByteBuffer in )
499
private String unencodeQuotedPrintable( String str, String charset )
687
boolean another = false;
501
// default encoding scheme
502
if( charset == null ) charset = "UTF-8";
689
504
// unencode quoted-pritable encoding, as per RFC1521 section 5.1
690
byte[] out = new byte[ in.limit() - in.position() ];
505
byte[] bytes = new byte[ str.length() ];
692
for( int i = in.position(); i < in.limit(); i++ )
694
// get next char and process...
695
byte ch = in.array()[ i ];
696
if( ch == '=' && i < in.limit() - 2 )
698
// we found a =XX format byte, add it
700
Character.digit( in.array()[ i + 1 ], 16 ) * 16 +
701
Character.digit( in.array()[ i + 2 ], 16 ) );
507
for( int i = 0; i < str.length(); i++, j++ ) {
508
char ch = str.charAt( i );
509
if( ch == '=' && i < str.length() - 2 ) {
511
Character.digit( str.charAt( i + 1 ), 16 ) * 16 +
512
Character.digit( str.charAt( i + 2 ), 16 ) );
704
else if( ch == '=' && i == in.limit() - 1 )
706
// we found a '=' at the end of a line signifying a multi-
707
// line string, so we don't add it.
712
// just a normal char...
717
return new UnencodeResult( another, ByteBuffer.wrap( out, 0, j ) );
720
private ByteBuffer transcodeAsciiToUtf8( ByteBuffer in )
723
byte[] out = new byte[ ( in.limit() - in.position() ) * 2 ];
725
for( int a = in.position(); a < in.limit(); a++ )
727
// if char is < 127, keep it as-is
728
if( in.array()[ a ] >= 0 )
729
out[ j++ ] = in.array()[ a ];
731
// else, convert it to UTF-8
733
int b = 0xff & (int)in.array()[ a ];
734
out[ j++ ] = (byte)( 0xc0 | ( b >> 6 ) );
735
out[ j++ ] = (byte)( 0x80 | ( b & 0x3f ) );
739
return ByteBuffer.wrap( out, 0, j );
516
bytes[ j ] = (byte)ch;
519
return new String( bytes, 0, j, charset );
520
} catch( UnsupportedEncodingException e ) { }