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34
(compared to revision 19)
: src/org/waxworlds/edam/importcontacts/VCFImporter.java
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- Committer: edam
- Date: 2011-03-13 18:18:07 UTC
- Revision ID: edam@waxworlds.org-20110313181807-3smjm2m3bt8hahr8
- check for empty data "values" after parsing line parameters, so that we catch parameter errors (such as unknown encoding types).
- files modified:
- AndroidManifest.xml
added
removed
src/org/waxworlds/edam/importcontacts/VCFImporter.java
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FilenameFilter;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.List;
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150
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private void importVCardFile( File file ) throws AbortImportException
150
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{
153
// check file is good
154
if( !file.exists() )
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showError( getText( R.string.error_filenotfound ) +
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file.getName() );
157
if( file.length() == 0 )
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showError( getText( R.string.error_fileisempty ) +
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file.getName() );
160
151
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try
152
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{
153
// open file
154
BufferedReader reader = new BufferedReader(
155
new FileReader( file ) );
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// read
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StringBuffer content = new StringBuffer();
159
String line;
160
while( ( line = reader.readLine() ) != null )
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content.append( line ).append( "\n" );
162
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importVCardFileContent( content.toString(), file.getName() );
163
// open/read file
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FileInputStream istream = new FileInputStream( file );
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byte[] content = new byte[ (int)file.length() ];
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istream.read( content );
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168
// import
169
importVCardFileContent( content, file.getName() );
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170
}
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catch( FileNotFoundException e ) {
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showError( getText( R.string.error_filenotfound ) +
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177
}
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178
}
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private void importVCardFileContent( String content, String fileName )
180
private void importVCardFileContent( byte[] content, String fileName )
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throws AbortImportException
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{
177
// get lines and parse them
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String[] lines = content.split( "\n" );
183
ByteBuffer buffers[] = getLinesFromContent( content );
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// go through lines
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VCard vCard = null;
180
for( int i = 0; i < lines.length; i++ )
187
for( int i = 0; i < buffers.length; i++ )
181
188
{
182
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
}
183
199
184
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if( vCard == null ) {
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// look for vcard beginning
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{
215
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// try giving the line to the vcard
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try {
217
vCard.parseLine( line );
233
vCard.parseLine( buffers[ i ] );
218
234
}
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catch( VCard.ParseException e ) {
220
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skipContact();
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255
}
240
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}
241
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private ByteBuffer[] getLinesFromContent( byte[] content )
259
{
260
// count lines in data
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int num_lines = 1;
262
for( int a = 0; a < content.length; a++ )
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if( content[ a ] == '\n' )
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num_lines++;
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// get lines, removing \r's and \n's as we go
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ByteBuffer lines[] = new ByteBuffer[ num_lines ];
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int last = 0;
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for( int a = 0, b = 0; a < content.length; a++ )
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if( content[ a ] == '\n' ) {
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int to = ( a > 0 && content[ a - 1 ] == '\r' &&
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a - 1 >= last )? a - 1 : a;
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lines[ b++ ] = ByteBuffer.wrap( content, last, to - last );
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last = a + 1;
275
}
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lines[ lines.length - 1 ] = ByteBuffer.wrap( content, last,
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content.length - last );
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return lines;
280
}
281
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private class VCard extends ContactData
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{
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private final static int NAMELEVEL_NONE = 0;
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private final static int NAMELEVEL_N = 3;
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private String _version = null;
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private Vector< String > _lines = null;
290
private Vector< ByteBuffer > _buffers = null;
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private int _name_level = NAMELEVEL_NONE;
252
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private boolean _parser_in_multiline = false;
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private String _parser_current_name_and_params = null;
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protected class UnencodeResult
257
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{
258
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private boolean _another_line_required;
259
private byte[] _bytes;
260
private int _num_bytes;
299
private ByteBuffer _buffer;
261
300
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public UnencodeResult( boolean another_line_required, byte[] bytes,
263
int num_bytes )
301
public UnencodeResult( boolean another_line_required,
302
ByteBuffer buffer )
264
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{
265
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_another_line_required = another_line_required;
266
_bytes = bytes;
267
_num_bytes = num_bytes;
305
_buffer = buffer;
268
306
}
269
307
270
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public boolean isAnotherLineRequired()
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return _another_line_required;
273
311
}
274
312
275
public byte[] getBytes()
276
{
277
return _bytes;
278
}
279
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public int getNumBytes()
281
{
282
return _num_bytes;
313
public ByteBuffer getBuffer()
314
{
315
return _buffer;
283
316
}
284
317
}
285
318
301
334
@SuppressWarnings("serial")
302
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protected class SkipContactException extends Exception { }
303
336
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public void parseLine( String line )
337
public void parseLine( ByteBuffer buffer )
305
338
throws ParseException, SkipContactException,
306
339
AbortImportException
307
340
{
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
308
352
// ignore empty lines
309
if( line.trim() == "" ) return;
353
if( line.trim().equals( "" ) ) return;
310
354
311
355
// split line into name and value parts (this may turn out to be
312
356
// unwanted if the line is a subsequent line in a multi-line
313
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// value, but we have to do this now to check for and handle VCF
314
// versions first)
315
String[] props = line.split( ":", 2 );
316
for( int i = 0; i < props.length; i++ )
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props[ i ] = props[ i ].trim();
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
}
318
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319
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// if we haven't yet got a version, we won't be paring anything!
320
382
if( _version == null )
321
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{
322
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// is this a version?
323
if( props.length == 2 && props[ 0 ].equals( "VERSION" ) )
385
if( name_and_params.equals( "VERSION" ) )
324
386
{
325
387
// yes, check/store it
326
if( !props[ 1 ].equals( "2.1" ) &&
327
!props[ 1 ].equals( "3.0" ) )
388
if( !string_value.equals( "2.1" ) &&
389
!string_value.equals( "3.0" ) )
328
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throw new ParseException( R.string.error_vcf_version );
329
_version = props[ 1 ];
391
_version = string_value;
330
392
331
// parse any other lines we've accumulated so far
332
if( _lines != null )
333
for( int i = 0; i < _lines.size(); i++ )
334
parseLine( _lines.get( i ) );
335
_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;
336
398
}
337
399
else
338
400
{
339
// no, so stash this line till we have a version
340
if( _lines == null )
341
_lines = new Vector< String >();
342
_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 );
343
405
}
344
406
}
345
407
else
346
408
{
409
// value bytes, for processing
410
ByteBuffer value;
411
347
412
if( _parser_in_multiline )
348
413
{
349
414
// if we're currently in a multi-line value, use the stored
350
415
// property name and parameters
351
props = new String[ 2 ];
352
props[ 0 ] = _parser_current_name_and_params;
353
props[ 1 ] = line.trim();
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 );
354
431
}
355
432
else
356
433
{
357
// for normal lines, check the property name/value bits
358
if( props.length < 2 || props[ 0 ].length() == 0 )
359
throw new ParseException(
360
R.string.error_vcf_malformed );
434
// calculate how many chars to skip from beginning of line
435
// so we skip the property "name:" part
436
int pos = buffer.position() + name_and_params.length() + 1;
361
437
362
// ignore empty properties
363
if( props[ 1 ].length() < 1 )
364
return;
438
// get value from buffer
439
value = ByteBuffer.wrap( buffer.array(), pos,
440
buffer.limit() - pos );
365
441
366
442
// reset the saved multi-line state
367
_parser_current_name_and_params = props[ 0 ];
443
_parser_current_name_and_params = name_and_params;
368
444
_parser_buffered_value_so_far = "";
369
445
}
370
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// get parameter parts
372
String[] params = props[ 0 ].split( ";" );
373
for( int i = 0; i < params.length; i++ )
374
params[ i ] = params[ i ].trim();
448
String[] name_param_parts = name_and_params.split( ";", -1 );
449
for( int i = 0; i < name_param_parts.length; i++ )
450
name_param_parts[ i ] = name_param_parts[ i ].trim();
375
451
376
// parse charset and encoding parameters
377
String charset, encoding;
378
if( ( charset = checkParam( params, "CHARSET" ) ) != null &&
379
!charset.equals( "UTF-8" ) && !charset.equals( "UTF-16" ) )
380
{
381
throw new ParseException( R.string.error_vcf_charset );
382
}
383
if( ( encoding = checkParam( params, "ENCODING" ) ) != null &&
384
!encoding.equals( "QUOTED-PRINTABLE" ) &&
385
!encoding.equals( "8BIT" ) )
452
// parse encoding parameter
453
String encoding = checkParam( name_param_parts, "ENCODING" );
454
if( encoding != null ) encoding = encoding.toUpperCase();
455
if( encoding != null && !encoding.equals( "8BIT" ) &&
456
!encoding.equals( "QUOTED-PRINTABLE" ) )
386
457
//&& !encoding.equals( "BASE64" ) )
387
458
{
388
459
throw new ParseException( R.string.error_vcf_encoding );
389
460
}
390
461
462
// parse charset parameter
463
String charset = checkParam( name_param_parts, "CHARSET" );
464
if( charset != null ) charset = charset.toUpperCase();
465
if( charset != null && !charset.equals( "US-ASCII" ) &&
466
!charset.equals( "ASCII" ) && !charset.equals( "UTF-8" ) )
467
{
468
throw new ParseException( R.string.error_vcf_charset );
469
}
470
391
471
// do unencoding (or default to a fake unencoding result with
392
472
// the raw string)
393
UnencodeResult result;
473
UnencodeResult unencoding_result = null;
394
474
if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
395
result = unencodeQuotedPrintable( props[ 1 ], charset );
475
unencoding_result = unencodeQuotedPrintable( value );
396
476
// else if( encoding != null && encoding.equals( "BASE64" ) )
397
// result = unencodeBase64( props[ 1 ], charset );
398
else
399
result = new UnencodeResult( false, props[ 1 ].getBytes(),
400
props[ 1 ].getBytes().length );
477
// unencoding_result = unencodeBase64( props[ 1 ], charset );
478
if( unencoding_result != null ) {
479
value = unencoding_result.getBuffer();
480
_parser_in_multiline =
481
unencoding_result.isAnotherLineRequired();
482
}
483
484
// convert 8-bit ASCII charset to US-ASCII
485
if( charset == null || charset.equals( "ASCII" ) ) {
486
value = transcodeAsciiToUtf8( value );
487
charset = "UTF-8";
488
}
401
489
402
490
// process charset
403
491
try {
404
props[ 1 ] = new String( result.getBytes(), 0,
405
result.getNumBytes(),
406
charset == null? "UTF-8" : charset );
492
string_value =
493
new String( value.array(), value.position(),
494
value.limit() - value.position(), charset );
407
495
} catch( UnsupportedEncodingException e ) {
408
496
throw new ParseException( R.string.error_vcf_charset );
409
497
}
410
498
411
499
// handle multi-line requests
412
_parser_in_multiline = result.isAnotherLineRequired();
413
500
if( _parser_in_multiline ) {
414
_parser_buffered_value_so_far += props[ 1 ];
501
_parser_buffered_value_so_far += string_value;
415
502
return;
416
503
}
417
504
418
505
// add on buffered multi-line content
419
String value = _parser_buffered_value_so_far + props[ 1 ];
506
String complete_value =
507
_parser_buffered_value_so_far + string_value;
508
509
// ignore empty values
510
if( complete_value.length() < 1 ) return;
420
511
421
512
// parse some properties
422
if( params[ 0 ].equals( "N" ) )
423
parseN( params, value );
424
else if( params[ 0 ].equals( "FN" ) )
425
parseFN( params, value );
426
else if( params[ 0 ].equals( "ORG" ) )
427
parseORG( params, value );
428
else if( params[ 0 ].equals( "TEL" ) )
429
parseTEL( params, value );
430
else if( params[ 0 ].equals( "EMAIL" ) )
431
parseEMAIL( params, value );
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 );
432
523
}
433
524
}
434
525
440
531
if( _name_level >= NAMELEVEL_N ) return;
441
532
442
533
// get name parts
443
String[] nameparts = value.split( ";" );
444
for( int i = 0; i < nameparts.length; i++ )
445
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();
446
537
447
538
// build name
448
539
value = "";
449
if( nameparts.length > 1 && nameparts[ 1 ].length() > 0 )
450
value += nameparts[ 1 ];
451
if( nameparts[ 0 ].length() > 0 )
452
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 ];
453
544
454
545
// set name
455
546
setName( value );
479
570
if( _name_level >= NAMELEVEL_ORG ) return;
480
571
481
572
// get org parts
482
String[] orgparts = value.split( ";" );
483
for( int i = 0; i < orgparts.length; i++ )
484
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();
485
576
486
577
// build name
487
if( orgparts[ 0 ].length() == 0 && orgparts.length > 1 )
488
value = orgparts[ 1 ];
578
if( org_parts.length > 1 && org_parts[ 0 ].length() == 0 )
579
value = org_parts[ 1 ];
489
580
else
490
value = orgparts[ 0 ];
581
value = org_parts[ 0 ];
491
582
492
583
// set name
493
584
setName( value );
505
596
506
597
// here's the logic...
507
598
boolean preferred = types.contains( "PREF" );
599
int type = PhonesColumns.TYPE_MOBILE;
508
600
if( types.contains( "VOICE" ) )
509
601
if( types.contains( "WORK" ) )
510
addPhone( value, PhonesColumns.TYPE_WORK, preferred );
602
type = PhonesColumns.TYPE_WORK;
511
603
else
512
addPhone( value, PhonesColumns.TYPE_HOME, preferred );
604
type = PhonesColumns.TYPE_HOME;
513
605
else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
514
addPhone( value, PhonesColumns.TYPE_MOBILE, preferred );
606
type = PhonesColumns.TYPE_MOBILE;
515
607
if( types.contains( "FAX" ) )
516
608
if( types.contains( "HOME" ) )
517
addPhone( value, PhonesColumns.TYPE_FAX_HOME, preferred );
609
type = PhonesColumns.TYPE_FAX_HOME;
518
610
else
519
addPhone( value, PhonesColumns.TYPE_FAX_WORK, preferred );
611
type = PhonesColumns.TYPE_FAX_WORK;
520
612
if( types.contains( "PAGER" ) )
521
addPhone( value, PhonesColumns.TYPE_PAGER, preferred );
613
type = PhonesColumns.TYPE_PAGER;
614
615
// add phone number
616
addPhone( value, type, preferred );
522
617
}
523
618
524
619
public void parseEMAIL( String[] params, String value )
542
637
AbortImportException
543
638
{
544
639
// missing version (and data is present)
545
if( _version == null && _lines != null )
640
if( _version == null && _buffers != null )
546
641
throw new ParseException( R.string.error_vcf_malformed );
547
642
548
643
// missing name properties?
568
663
}
569
664
570
665
private Set< String > extractTypes( String[] params,
571
List< String > validTypes )
666
List< String > valid_types )
572
667
{
573
668
HashSet< String > types = new HashSet< String >();
574
669
575
670
// get 3.0-style TYPE= param
576
String typeParam;
577
if( ( typeParam = checkParam( params, "TYPE" ) ) != null ) {
578
String[] bits = typeParam.split( "," );
579
for( int i = 0; i < bits.length; i++ )
580
if( validTypes.contains( bits[ i ] ) )
581
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 ] );
582
677
}
583
678
584
679
// get 2.1-style type param
585
680
if( _version.equals( "2.1" ) ) {
586
681
for( int i = 1; i < params.length; i++ )
587
if( validTypes.contains( params[ i ] ) )
682
if( valid_types.contains( params[ i ] ) )
588
683
types.add( params[ i ] );
589
684
}
590
685
591
686
return types;
592
687
}
593
688
594
private UnencodeResult unencodeQuotedPrintable( String str, String charset )
689
private UnencodeResult unencodeQuotedPrintable( ByteBuffer in )
595
690
{
596
691
boolean another = false;
597
692
598
// default encoding scheme
599
if( charset == null ) charset = "UTF-8";
600
601
693
// unencode quoted-pritable encoding, as per RFC1521 section 5.1
602
byte[] bytes = new byte[ str.length() ];
694
byte[] out = new byte[ in.limit() - in.position() ];
603
695
int j = 0;
604
for( int i = 0; i < str.length(); i++ )
696
for( int i = in.position(); i < in.limit(); i++ )
605
697
{
606
698
// get next char and process...
607
char ch = str.charAt( i );
608
if( ch == '=' && i < str.length() - 2 )
699
byte ch = in.array()[ i ];
700
if( ch == '=' && i < in.limit() - 2 )
609
701
{
610
702
// we found a =XX format byte, add it
611
bytes[ j ] = (byte)(
612
Character.digit( str.charAt( i + 1 ), 16 ) * 16 +
613
Character.digit( str.charAt( i + 2 ), 16 ) );
703
out[ j ] = (byte)(
704
Character.digit( in.array()[ i + 1 ], 16 ) * 16 +
705
Character.digit( in.array()[ i + 2 ], 16 ) );
614
706
i += 2;
615
707
}
616
else if( ch == '=' && i == str.length() - 1 )
708
else if( ch == '=' && i == in.limit() - 1 )
617
709
{
618
710
// we found a '=' at the end of a line signifying a multi-
619
711
// line string, so we don't add it.
622
714
}
623
715
else
624
716
// just a normal char...
625
bytes[ j ] = (byte)ch;
717
out[ j ] = (byte)ch;
626
718
j++;
627
719
}
628
720
629
return new UnencodeResult( another, bytes, j );
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 );
630
744
}
631
745
}
632
746
}
Loggerhead is a web-based interface for Bazaar branches
Version: 1.18.2, Revision: 480