(root)/android/import-contacts
» Revision
32
(compared to revision 17)
: src/org/waxworlds/edam/importcontacts/VCFImporter.java
To get this branch, use:
bzr branch
http://bzr.ed.am/android/import-contacts
« back to all changes in this revision
Viewing changes to src/org/waxworlds/edam/importcontacts/VCFImporter.java
- browse files at revision 32
- compare with another revision
- download diff
- download tarball
- view history from revision 32
- Committer: edam
- Date: 2010-12-16 00:19:44 UTC
- Revision ID: edam@waxworlds.org-20101216001944-qlco39lczyaijxhf
- updated NEWS
- files added:
- res/drawable/browse.png
- files modified:
- AndroidManifest.xml
added
removed
src/org/waxworlds/edam/importcontacts/VCFImporter.java
25
25
26
26
import java.io.BufferedReader;
27
27
import java.io.File;
28
import java.io.FileInputStream;
28
29
import java.io.FileNotFoundException;
29
30
import java.io.FileReader;
30
31
import java.io.FilenameFilter;
31
32
import java.io.IOException;
32
33
import java.io.UnsupportedEncodingException;
34
import java.nio.ByteBuffer;
33
35
import java.util.Arrays;
34
36
import java.util.HashSet;
35
37
import java.util.List;
65
67
try
66
68
{
67
69
// open directory
68
String location = prefs.getString( "location", "" );
69
File dir = new File( location );
70
if( !dir.exists() )
70
String path = "/sdcard" + prefs.getString( "location", "/" );
71
File file = new File( path );
72
if( !file.exists() )
71
73
showError( R.string.error_locationnotfound );
72
74
73
75
// directory, or file?
74
if( dir.isDirectory() )
76
if( file.isDirectory() )
75
77
{
76
78
// get files
77
79
class VCardFilter implements FilenameFilter {
79
81
return name.toLowerCase().endsWith( ".vcf" );
80
82
}
81
83
}
82
files = dir.listFiles( new VCardFilter() );
84
files = file.listFiles( new VCardFilter() );
83
85
}
84
86
else
85
87
{
86
88
// use just this file
87
89
files = new File[ 1 ];
88
files[ 0 ] = dir;
90
files[ 0 ] = file;
89
91
}
90
92
}
91
93
catch( SecurityException e ) {
138
140
139
141
}
140
142
catch( FileNotFoundException e ) {
141
showError( getText( R.string.error_filenotfound ) + file.getName() );
143
showError( getText( R.string.error_filenotfound ) +
144
file.getName() );
142
145
}
143
146
catch( IOException e ) {
144
147
showError( getText( R.string.error_ioerror ) + file.getName() );
147
150
148
151
private void importVCardFile( File file ) throws AbortImportException
149
152
{
153
// check file is good
154
if( !file.exists() )
155
showError( getText( R.string.error_filenotfound ) +
156
file.getName() );
157
if( file.length() == 0 )
158
showError( getText( R.string.error_fileisempty ) +
159
file.getName() );
160
150
161
try
151
162
{
152
// open file
153
BufferedReader reader = new BufferedReader(
154
new FileReader( file ) );
155
156
// read
157
StringBuffer content = new StringBuffer();
158
String line;
159
while( ( line = reader.readLine() ) != null )
160
content.append( line ).append( "\n" );
161
162
importVCardFileContent( content.toString(), file.getName() );
163
// open/read file
164
FileInputStream istream = new FileInputStream( file );
165
byte[] content = new byte[ (int)file.length() ];
166
istream.read( content );
167
168
// import
169
importVCardFileContent( content, file.getName() );
163
170
}
164
171
catch( FileNotFoundException e ) {
165
showError( getText( R.string.error_filenotfound ) + file.getName() );
172
showError( getText( R.string.error_filenotfound ) +
173
file.getName() );
166
174
}
167
175
catch( IOException e ) {
168
176
showError( getText( R.string.error_ioerror ) + file.getName() );
169
177
}
170
178
}
171
179
172
private void importVCardFileContent( String content, String fileName )
180
private void importVCardFileContent( byte[] content, String fileName )
173
181
throws AbortImportException
174
182
{
175
// unfold RFC2425 section 5.8.1 folded lines, except that we must also
176
// handle embedded Quoted-Printable encodings that have a trailing '='.
177
// So we remove these first before doing RFC2425 unfolding.
178
content = content.replaceAll( "=\n[ \\t]", "" )
179
.replaceAll( "\n[ \\t]", "" );
183
ByteBuffer buffers[] = getLinesFromContent( content );
180
184
181
// get lines and parse them
182
String[] lines = content.split( "\n" );
185
// go through lines
183
186
VCard vCard = null;
184
for( int i = 0; i < lines.length; i++ )
187
for( int i = 0; i < buffers.length; i++ )
185
188
{
186
String line = lines[ i ];
189
// get a US-ASCII version of the line for processing
190
String line;
191
try {
192
line = new String( buffers[ i ].array(), buffers[ i ].position(),
193
buffers[ i ].limit() - buffers[ i ].position(), "US-ASCII" );
194
}
195
catch( UnsupportedEncodingException e ) {
196
// we know US-ASCII is supported, so appease the compiler...
197
line = "";
198
}
187
199
188
200
if( vCard == null ) {
189
201
// look for vcard beginning
218
230
{
219
231
// try giving the line to the vcard
220
232
try {
221
vCard.parseLine( line );
233
vCard.parseLine( buffers[ i ] );
222
234
}
223
235
catch( VCard.ParseException e ) {
224
236
skipContact();
243
255
}
244
256
}
245
257
258
private ByteBuffer[] getLinesFromContent( byte[] content )
259
{
260
// count lines in data
261
int num_lines = 1;
262
for( int a = 0; a < content.length; a++ )
263
if( content[ a ] == '\n' )
264
num_lines++;
265
266
// get lines, removing \r's and \n's as we go
267
ByteBuffer lines[] = new ByteBuffer[ num_lines ];
268
int last = 0;
269
for( int a = 0, b = 0; a < content.length; a++ )
270
if( content[ a ] == '\n' ) {
271
int to = ( a > 0 && content[ a - 1 ] == '\r' &&
272
a - 1 >= last )? a - 1 : a;
273
lines[ b++ ] = ByteBuffer.wrap( content, last, to - last );
274
last = a + 1;
275
}
276
lines[ lines.length - 1 ] = ByteBuffer.wrap( content, last,
277
content.length - last );
278
279
return lines;
280
}
281
246
282
private class VCard extends ContactData
247
283
{
248
284
private final static int NAMELEVEL_NONE = 0;
251
287
private final static int NAMELEVEL_N = 3;
252
288
253
289
private String _version = null;
254
private Vector< String > _lines = null;
255
private int _nameLevel = NAMELEVEL_NONE;
290
private Vector< ByteBuffer > _buffers = null;
291
private int _name_level = NAMELEVEL_NONE;
292
private boolean _parser_in_multiline = false;
293
private String _parser_current_name_and_params = null;
294
private String _parser_buffered_value_so_far = "";
295
296
protected class UnencodeResult
297
{
298
private boolean _another_line_required;
299
private ByteBuffer _buffer;
300
301
public UnencodeResult( boolean another_line_required,
302
ByteBuffer buffer )
303
{
304
_another_line_required = another_line_required;
305
_buffer = buffer;
306
}
307
308
public boolean isAnotherLineRequired()
309
{
310
return _another_line_required;
311
}
312
313
public ByteBuffer getBuffer()
314
{
315
return _buffer;
316
}
317
}
256
318
257
319
@SuppressWarnings("serial")
258
320
protected class ParseException extends Exception
272
334
@SuppressWarnings("serial")
273
335
protected class SkipContactException extends Exception { }
274
336
275
public void parseLine( String line )
337
public void parseLine( ByteBuffer buffer )
276
338
throws ParseException, SkipContactException,
277
339
AbortImportException
278
340
{
279
// get property halves
280
String[] props = line.split( ":" );
281
for( int i = 0; i < props.length; i++ )
282
props[ i ] = props[ i ].trim();
283
if( props.length < 2 ||
284
props[ 0 ].length() < 1 || props[ 1 ].length() < 1 )
285
throw new ParseException( R.string.error_vcf_malformed );
286
341
// get a US-ASCII version of the line for processing
342
String line;
343
try {
344
line = new String( buffer.array(), buffer.position(),
345
buffer.limit() - buffer.position(), "US-ASCII" );
346
}
347
catch( UnsupportedEncodingException e ) {
348
// we know US-ASCII is supported, so appease the compiler...
349
line = "";
350
}
351
352
// ignore empty lines
353
if( line.trim() == "" ) return;
354
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;
364
{
365
String[] parts = line.split( ":", 2 );
366
if( parts.length == 2 ) {
367
name_and_params = parts[ 0 ].trim();
368
string_value = parts[ 1 ].trim();
369
if( name_and_params.length() == 0 )
370
throw new ParseException( R.string.error_vcf_malformed );
371
}
372
else
373
{
374
if( !_parser_in_multiline )
375
throw new ParseException( R.string.error_vcf_malformed );
376
name_and_params = null;
377
string_value = null;
378
}
379
}
380
381
// if we haven't yet got a version, we won't be paring anything!
287
382
if( _version == null )
288
383
{
289
if( props[ 0 ].equals( "VERSION" ) )
384
// is this a version?
385
if( name_and_params.equals( "VERSION" ) )
290
386
{
291
// get version
292
if( !props[ 1 ].equals( "2.1" ) &&
293
!props[ 1 ].equals( "3.0" ) )
387
// yes, check/store it
388
if( !string_value.equals( "2.1" ) &&
389
!string_value.equals( "3.0" ) )
294
390
throw new ParseException( R.string.error_vcf_version );
295
_version = props[ 1 ];
391
_version = string_value;
296
392
297
// parse any other lines we've accumulated so far
298
if( _lines != null )
299
for( int i = 0; i < _lines.size(); i++ )
300
parseLine( _lines.get( i ) );
301
_lines = null;
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 ) );
397
_buffers = null;
302
398
}
303
399
else
304
400
{
305
// stash this line till we have a version
306
if( _lines == null )
307
_lines = new Vector< String >();
308
_lines.add( line );
401
// no, so stash this buffer till we have a version
402
if( _buffers == null )
403
_buffers = new Vector< ByteBuffer >();
404
_buffers.add( buffer );
309
405
}
310
406
}
311
407
else
312
408
{
409
// value bytes, for processing
410
ByteBuffer value;
411
412
if( _parser_in_multiline )
413
{
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;
417
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' ) )
424
{
425
pos++;
426
}
427
428
// get value from buffer
429
value = ByteBuffer.wrap( buffer.array(), pos,
430
buffer.limit() - pos );
431
}
432
else
433
{
434
// ignore empty values
435
if( string_value.length() < 1 ) return;
436
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;
440
441
// get value from buffer
442
value = ByteBuffer.wrap( buffer.array(), pos,
443
buffer.limit() - pos );
444
445
// reset the saved multi-line state
446
_parser_current_name_and_params = name_and_params;
447
_parser_buffered_value_so_far = "";
448
}
449
313
450
// get parameter parts
314
String[] params = props[ 0 ].split( ";" );
315
for( int i = 0; i < params.length; i++ )
316
params[ i ] = params[ i ].trim();
451
String[] name_param_parts = name_and_params.split( ";", -1 );
452
for( int i = 0; i < name_param_parts.length; i++ )
453
name_param_parts[ i ] = name_param_parts[ i ].trim();
454
455
// parse encoding parameter
456
String encoding = checkParam( name_param_parts, "ENCODING" );
457
if( encoding != null ) encoding = encoding.toUpperCase();
458
if( encoding != null && !encoding.equals( "8BIT" ) &&
459
!encoding.equals( "QUOTED-PRINTABLE" ) )
460
//&& !encoding.equals( "BASE64" ) )
461
{
462
throw new ParseException( R.string.error_vcf_encoding );
463
}
464
465
// parse charset parameter
466
String charset = checkParam( name_param_parts, "CHARSET" );
467
if( charset != null ) charset = charset.toUpperCase();
468
if( charset != null && !charset.equals( "US-ASCII" ) &&
469
!charset.equals( "ASCII" ) && !charset.equals( "UTF-8" ) )
470
{
471
throw new ParseException( R.string.error_vcf_charset );
472
}
473
474
// do unencoding (or default to a fake unencoding result with
475
// the raw string)
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();
485
}
486
487
// convert 8-bit ASCII charset to US-ASCII
488
if( charset == null || charset == "ASCII" ) {
489
value = transcodeAsciiToUtf8( value );
490
charset = "UTF-8";
491
}
492
493
// process charset
494
try {
495
string_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 );
500
}
501
502
// handle multi-line requests
503
if( _parser_in_multiline ) {
504
_parser_buffered_value_so_far += string_value;
505
return;
506
}
507
508
// add on buffered multi-line content
509
String complete_value =
510
_parser_buffered_value_so_far + string_value;
317
511
318
512
// parse some properties
319
if( params[ 0 ].equals( "N" ) )
320
parseN( params, props[ 1 ] );
321
else if( params[ 0 ].equals( "FN" ) )
322
parseFN( params, props[ 1 ] );
323
else if( params[ 0 ].equals( "ORG" ) )
324
parseORG( params, props[ 1 ] );
325
else if( params[ 0 ].equals( "TEL" ) )
326
parseTEL( params, props[ 1 ] );
327
else if( params[ 0 ].equals( "EMAIL" ) )
328
parseEMAIL( params, props[ 1 ] );
513
if( name_param_parts[ 0 ].equals( "N" ) )
514
parseN( name_param_parts, complete_value );
515
else if( name_param_parts[ 0 ].equals( "FN" ) )
516
parseFN( name_param_parts, complete_value );
517
else if( name_param_parts[ 0 ].equals( "ORG" ) )
518
parseORG( name_param_parts, complete_value );
519
else if( name_param_parts[ 0 ].equals( "TEL" ) )
520
parseTEL( name_param_parts, complete_value );
521
else if( name_param_parts[ 0 ].equals( "EMAIL" ) )
522
parseEMAIL( name_param_parts, complete_value );
329
523
}
330
524
}
331
525
334
528
AbortImportException
335
529
{
336
530
// already got a better name?
337
if( _nameLevel >= NAMELEVEL_N ) return;
531
if( _name_level >= NAMELEVEL_N ) return;
338
532
339
533
// get name parts
340
String[] nameparts = value.split( ";" );
341
for( int i = 0; i < nameparts.length; i++ )
342
nameparts[ i ] = nameparts[ i ].trim();
534
String[] name_parts = value.split( ";" );
535
for( int i = 0; i < name_parts.length; i++ )
536
name_parts[ i ] = name_parts[ i ].trim();
343
537
344
538
// build name
345
539
value = "";
346
if( nameparts.length > 1 && nameparts[ 1 ].length() > 0 )
347
value += nameparts[ 1 ];
348
if( nameparts[ 0 ].length() > 0 )
349
value += ( value.length() == 0? "" : " " ) + nameparts[ 0 ];
540
if( name_parts.length > 1 && name_parts[ 1 ].length() > 0 )
541
value += name_parts[ 1 ];
542
if( name_parts.length > 0 && name_parts[ 0 ].length() > 0 )
543
value += ( value.length() == 0? "" : " " ) + name_parts[ 0 ];
350
544
351
545
// set name
352
setName( undoCharsetAndEncoding( params, value ) );
353
_nameLevel = NAMELEVEL_N;
546
setName( value );
547
_name_level = NAMELEVEL_N;
354
548
355
549
// check now to see if we need to import this contact (to avoid
356
550
// parsing the rest of the vCard unnecessarily)
362
556
throws ParseException, SkipContactException
363
557
{
364
558
// already got a better name?
365
if( _nameLevel >= NAMELEVEL_FN ) return;
559
if( _name_level >= NAMELEVEL_FN ) return;
366
560
367
561
// set name
368
setName( undoCharsetAndEncoding( params, value ) );
369
_nameLevel = NAMELEVEL_FN;
562
setName( value );
563
_name_level = NAMELEVEL_FN;
370
564
}
371
565
372
566
private void parseORG( String[] params, String value )
373
567
throws ParseException, SkipContactException
374
568
{
375
569
// already got a better name?
376
if( _nameLevel >= NAMELEVEL_ORG ) return;
570
if( _name_level >= NAMELEVEL_ORG ) return;
377
571
378
572
// get org parts
379
String[] orgparts = value.split( ";" );
380
for( int i = 0; i < orgparts.length; i++ )
381
orgparts[ i ] = orgparts[ i ].trim();
573
String[] org_parts = value.split( ";" );
574
for( int i = 0; i < org_parts.length; i++ )
575
org_parts[ i ] = org_parts[ i ].trim();
382
576
383
577
// build name
384
if( orgparts[ 0 ].length() == 0 && orgparts.length > 1 )
385
value = orgparts[ 1 ];
578
if( org_parts.length > 1 && org_parts[ 0 ].length() == 0 )
579
value = org_parts[ 1 ];
386
580
else
387
value = orgparts[ 0 ];
581
value = org_parts[ 0 ];
388
582
389
583
// set name
390
setName( undoCharsetAndEncoding( params, value ) );
391
_nameLevel = NAMELEVEL_ORG;
584
setName( value );
585
_name_level = NAMELEVEL_ORG;
392
586
}
393
587
394
588
private void parseTEL( String[] params, String value )
402
596
403
597
// here's the logic...
404
598
boolean preferred = types.contains( "PREF" );
599
int type = PhonesColumns.TYPE_MOBILE;
405
600
if( types.contains( "VOICE" ) )
406
601
if( types.contains( "WORK" ) )
407
addPhone( value, PhonesColumns.TYPE_WORK, preferred );
602
type = PhonesColumns.TYPE_WORK;
408
603
else
409
addPhone( value, PhonesColumns.TYPE_HOME, preferred );
604
type = PhonesColumns.TYPE_HOME;
410
605
else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
411
addPhone( value, PhonesColumns.TYPE_MOBILE, preferred );
606
type = PhonesColumns.TYPE_MOBILE;
412
607
if( types.contains( "FAX" ) )
413
608
if( types.contains( "HOME" ) )
414
addPhone( value, PhonesColumns.TYPE_FAX_HOME, preferred );
609
type = PhonesColumns.TYPE_FAX_HOME;
415
610
else
416
addPhone( value, PhonesColumns.TYPE_FAX_WORK, preferred );
611
type = PhonesColumns.TYPE_FAX_WORK;
417
612
if( types.contains( "PAGER" ) )
418
addPhone( value, PhonesColumns.TYPE_PAGER, preferred );
613
type = PhonesColumns.TYPE_PAGER;
614
615
// add phone number
616
addPhone( value, type, preferred );
419
617
}
420
618
421
619
public void parseEMAIL( String[] params, String value )
620
throws ParseException
422
621
{
423
622
if( value.length() == 0 ) return;
424
623
438
637
AbortImportException
439
638
{
440
639
// missing version (and data is present)
441
if( _version == null && _lines != null )
640
if( _version == null && _buffers != null )
442
641
throw new ParseException( R.string.error_vcf_malformed );
443
642
444
643
// missing name properties?
445
if( _nameLevel == NAMELEVEL_NONE )
644
if( _name_level == NAMELEVEL_NONE )
446
645
throw new ParseException( R.string.error_vcf_noname );
447
646
448
647
// check if we should import this one? If we've already got an 'N'-
449
648
// type name, this will already have been done by parseN() so we
450
649
// mustn't do this here (or it could prompt twice!)
451
if( _nameLevel < NAMELEVEL_N && !isImportRequired( getName() ) )
650
if( _name_level < NAMELEVEL_N && !isImportRequired( getName() ) )
452
651
throw new SkipContactException();
453
652
}
454
653
455
private String undoCharsetAndEncoding( String[] params, String value )
456
throws ParseException
457
{
458
// check encoding/charset
459
String charset, encoding;
460
if( ( charset = checkParam( params, "CHARSET" ) ) != null &&
461
!charset.equals( "UTF-8" ) && !charset.equals( "UTF-16" ) )
462
throw new ParseException( R.string.error_vcf_charset );
463
if( ( encoding = checkParam( params, "ENCODING" ) ) != null &&
464
!encoding.equals( "QUOTED-PRINTABLE" ) &&
465
!encoding.equals( "8BIT" ) ) //&& !encoding.equals( "BASE64" ) )
466
throw new ParseException( R.string.error_vcf_encoding );
467
468
// do decoding?
469
if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
470
return unencodeQuotedPrintable( value, charset );
471
// if( encoding != null && encoding.equals( "BASE64" ) )
472
// return unencodeBase64( value, charset );
473
474
// nothing to do!
475
return value;
476
}
477
478
654
private String checkParam( String[] params, String name )
479
655
{
480
656
Pattern p = Pattern.compile( "^" + name + "[ \\t]*=[ \\t]*(.*)$" );
487
663
}
488
664
489
665
private Set< String > extractTypes( String[] params,
490
List< String > validTypes )
666
List< String > valid_types )
491
667
{
492
668
HashSet< String > types = new HashSet< String >();
493
669
494
670
// get 3.0-style TYPE= param
495
String typeParam;
496
if( ( typeParam = checkParam( params, "TYPE" ) ) != null ) {
497
String[] bits = typeParam.split( "," );
498
for( int i = 0; i < bits.length; i++ )
499
if( validTypes.contains( bits[ i ] ) )
500
types.add( bits[ i ] );
671
String type_param;
672
if( ( type_param = checkParam( params, "TYPE" ) ) != null ) {
673
String[] parts = type_param.split( "," );
674
for( int i = 0; i < parts.length; i++ )
675
if( valid_types.contains( parts[ i ] ) )
676
types.add( parts[ i ] );
501
677
}
502
678
503
679
// get 2.1-style type param
504
680
if( _version.equals( "2.1" ) ) {
505
681
for( int i = 1; i < params.length; i++ )
506
if( validTypes.contains( params[ i ] ) )
682
if( valid_types.contains( params[ i ] ) )
507
683
types.add( params[ i ] );
508
684
}
509
685
510
686
return types;
511
687
}
512
688
513
private String unencodeQuotedPrintable( String str, String charset )
689
private UnencodeResult unencodeQuotedPrintable( ByteBuffer in )
514
690
{
515
// default encoding scheme
516
if( charset == null ) charset = "UTF-8";
691
boolean another = false;
517
692
518
693
// unencode quoted-pritable encoding, as per RFC1521 section 5.1
519
byte[] bytes = new byte[ str.length() ];
694
byte[] out = new byte[ in.limit() - in.position() ];
520
695
int j = 0;
521
for( int i = 0; i < str.length(); i++, j++ ) {
522
char ch = str.charAt( i );
523
if( ch == '=' && i < str.length() - 2 ) {
524
bytes[ j ] = (byte)(
525
Character.digit( str.charAt( i + 1 ), 16 ) * 16 +
526
Character.digit( str.charAt( i + 2 ), 16 ) );
696
for( int i = in.position(); i < in.limit(); i++ )
697
{
698
// get next char and process...
699
byte ch = in.array()[ i ];
700
if( ch == '=' && i < in.limit() - 2 )
701
{
702
// we found a =XX format byte, add it
703
out[ j ] = (byte)(
704
Character.digit( in.array()[ i + 1 ], 16 ) * 16 +
705
Character.digit( in.array()[ i + 2 ], 16 ) );
527
706
i += 2;
528
707
}
708
else if( ch == '=' && i == in.limit() - 1 )
709
{
710
// we found a '=' at the end of a line signifying a multi-
711
// line string, so we don't add it.
712
another = true;
713
continue;
714
}
529
715
else
530
bytes[ j ] = (byte)ch;
531
}
532
try {
533
return new String( bytes, 0, j, charset );
534
} catch( UnsupportedEncodingException e ) { }
535
return null;
716
// just a normal char...
717
out[ j ] = (byte)ch;
718
j++;
719
}
720
721
return new UnencodeResult( another, ByteBuffer.wrap( out, 0, j ) );
722
}
723
724
private ByteBuffer transcodeAsciiToUtf8( ByteBuffer in )
725
{
726
// transcode
727
byte[] out = new byte[ ( in.limit() - in.position() ) * 2 ];
728
int j = 0;
729
for( int a = in.position(); a < in.limit(); a++ )
730
{
731
// if char is < 127, keep it as-is
732
if( in.array()[ a ] >= 0 )
733
out[ j++ ] = in.array()[ a ];
734
735
// else, convert it to UTF-8
736
else {
737
int b = 0xff & (int)in.array()[ a ];
738
out[ j++ ] = (byte)( 0xc0 | ( b >> 6 ) );
739
out[ j++ ] = (byte)( 0x80 | ( b & 0x3f ) );
740
}
741
}
742
743
return ByteBuffer.wrap( out, 0, j );
536
744
}
537
745
}
538
746
}
Loggerhead is a web-based interface for Bazaar branches
Version: 1.18.2, Revision: 480