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Viewing changes to src/org/waxworlds/edam/importcontacts/VcardImporter.java

  • Committer: edam
  • Date: 2011-05-30 19:20:17 UTC
  • Revision ID: edam@waxworlds.org-20110530192017-5c09k4kgpov02gja
- added checks for Doit.this == null when handling dialog buttons (I managed to abort an import as a duplicate contacts dialog was shown, but can't reproduce it now)
- added line no.s to vcard parsing errors
- update progress bar after a contact is imported, not before
- fixed bug introduced in last commit where a contacts were imported after finaliseVcard()ing failed
- don't show unknown encoding errors for vcard fields that we don't care about (which ignores base64 encoded photos, for example)

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/*
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 * VCFImporter.java
3
3
 *
4
 
 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
 
4
 * Copyright (C) 2009 to 2011 Tim Marston <edam@waxworlds.org>
5
5
 *
6
6
 * This file is part of the Import Contacts program (hereafter referred
7
7
 * to as "this program"). For more information, see
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;
 
35
import java.util.ArrayList;
33
36
import java.util.Arrays;
 
37
import java.util.HashMap;
34
38
import java.util.HashSet;
 
39
import java.util.Iterator;
35
40
import java.util.List;
 
41
import java.util.NoSuchElementException;
36
42
import java.util.Set;
37
43
import java.util.Vector;
38
44
import java.util.regex.Matcher;
42
48
import android.provider.Contacts;
43
49
import android.provider.Contacts.PhonesColumns;
44
50
 
45
 
public class VCFImporter extends Importer
 
51
public class VcardImporter extends Importer
46
52
{
47
 
        private int _vCardCount = 0;
 
53
        private int _vcard_count = 0;
48
54
        private int _progress = 0;
49
55
 
50
 
        public VCFImporter( Doit doit )
 
56
        public VcardImporter( Doit doit )
51
57
        {
52
58
                super( doit );
53
59
        }
65
71
                try
66
72
                {
67
73
                        // open directory
68
 
                        String location = prefs.getString( "location", "" );
69
 
                        File dir = new File( location );
70
 
                        if( !dir.exists() )
 
74
                        String path = "/sdcard" + prefs.getString( "location", "/" );
 
75
                        File file = new File( path );
 
76
                        if( !file.exists() )
71
77
                                showError( R.string.error_locationnotfound );
72
78
 
73
79
                        // directory, or file?
74
 
                        if( dir.isDirectory() )
 
80
                        if( file.isDirectory() )
75
81
                        {
76
82
                                // get files
77
83
                                class VCardFilter implements FilenameFilter {
79
85
                                                return name.toLowerCase().endsWith( ".vcf" );
80
86
                                        }
81
87
                                }
82
 
                                files = dir.listFiles( new VCardFilter() );
 
88
                                files = file.listFiles( new VCardFilter() );
83
89
                        }
84
90
                        else
85
91
                        {
86
92
                                // use just this file
87
93
                                files = new File[ 1 ];
88
 
                                files[ 0 ] = dir;
 
94
                                files[ 0 ] = file;
89
95
                        }
90
96
                }
91
97
                catch( SecurityException e ) {
104
110
                        countVCardFile( files[ i ] );
105
111
                        setTmpProgress( i );
106
112
                }
107
 
                setProgressMax( _vCardCount );  // will also update tmp progress
 
113
                setProgressMax( _vcard_count ); // will also update tmp progress
108
114
 
109
115
                // import them
110
116
                setProgress( 0 );
111
117
                for( int i = 0; i < files.length; i++ )
112
118
                        importVCardFile( files[ i ] );
 
119
                setProgress( _vcard_count );
113
120
        }
114
121
 
115
122
        private void countVCardFile( File file ) throws AbortImportException
118
125
                {
119
126
                        // open file
120
127
                        BufferedReader reader = new BufferedReader(
121
 
                                        new FileReader( file ) );
 
128
                                new FileReader( file ) );
122
129
 
123
130
                        // read
124
131
                        String line;
125
 
                        boolean inVCard = false;
 
132
                        boolean in_vcard = false;
126
133
                        while( ( line = reader.readLine() ) != null )
127
134
                        {
128
 
                                if( !inVCard ) {
 
135
                                if( !in_vcard ) {
129
136
                                        // look for vcard beginning
130
 
                                        if( line.matches( "^BEGIN[ \\t]*:[ \\t]*VCARD" ) ) {
131
 
                                                inVCard = true;
132
 
                                                _vCardCount++;
 
137
                                        if( line.matches( "^BEGIN:VCARD" ) ) {
 
138
                                                in_vcard = true;
 
139
                                                _vcard_count++;
133
140
                                        }
134
141
                                }
135
 
                                else if( line.matches( "^END[ \\t]*:[ \\t]*VCARD" ) )
136
 
                                        inVCard = false;
 
142
                                else if( line.matches( "^END:VCARD" ) )
 
143
                                        in_vcard = false;
137
144
                        }
138
145
 
139
146
                }
140
147
                catch( FileNotFoundException e ) {
141
 
                        showError( getText( R.string.error_filenotfound ) + file.getName() );
 
148
                        showError( getText( R.string.error_filenotfound ) +
 
149
                                file.getName() );
142
150
                }
143
151
                catch( IOException e ) {
144
152
                        showError( getText( R.string.error_ioerror ) + file.getName() );
147
155
 
148
156
        private void importVCardFile( File file ) throws AbortImportException
149
157
        {
 
158
                // check file is good
 
159
                if( !file.exists() )
 
160
                        showError( getText( R.string.error_filenotfound ) +
 
161
                                file.getName() );
 
162
                if( file.length() == 0 )
 
163
                        showError( getText( R.string.error_fileisempty ) +
 
164
                                file.getName() );
 
165
 
150
166
                try
151
167
                {
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() );
 
168
                        // open/read file
 
169
                        FileInputStream istream = new FileInputStream( file );
 
170
                        byte[] content = new byte[ (int)file.length() ];
 
171
                        istream.read( content );
 
172
                        istream = null;
 
173
 
 
174
                        // import
 
175
                        importVCardFileContent( content, file.getName() );
163
176
                }
164
177
                catch( FileNotFoundException e ) {
165
 
                        showError( getText( R.string.error_filenotfound ) + file.getName() );
 
178
                        showError( getText( R.string.error_filenotfound ) +
 
179
                                file.getName() );
166
180
                }
167
181
                catch( IOException e ) {
168
182
                        showError( getText( R.string.error_ioerror ) + file.getName() );
169
183
                }
170
184
        }
171
185
 
172
 
        private void importVCardFileContent( String content, String fileName )
173
 
                        throws AbortImportException
 
186
        private void importVCardFileContent( byte[] content, String fileName )
 
187
                throws AbortImportException
174
188
        {
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]", "" );
180
 
 
181
 
                // get lines and parse them
182
 
                String[] lines = content.split( "\n" );
183
 
                VCard vCard = null;
184
 
                for( int i = 0; i < lines.length; i++ )
 
189
                // go through lines
 
190
                Vcard vcard = null;
 
191
                int vcard_start_line = 0;
 
192
                ContentLineIterator cli = new ContentLineIterator( content );
 
193
                while( cli.hasNext() )
185
194
                {
186
 
                        String line = lines[ i ];
187
 
 
188
 
                        if( vCard == null ) {
 
195
                        ByteBuffer buffer = cli.next();
 
196
 
 
197
                        // get a US-ASCII version of the line for processing
 
198
                        String line;
 
199
                        try {
 
200
                                line = new String( buffer.array(), buffer.position(),
 
201
                                        buffer.limit() - buffer.position(), "US-ASCII" );
 
202
                        }
 
203
                        catch( UnsupportedEncodingException e ) {
 
204
                                // we know US-ASCII is supported, so appease the compiler...
 
205
                                line = "";
 
206
                        }
 
207
 
 
208
                        if( vcard == null ) {
189
209
                                // look for vcard beginning
190
 
                                if( line.matches( "^BEGIN[ \\t]*:[ \\t]*VCARD" ) ) {
191
 
                                        setProgress( ++_progress );
192
 
                                        vCard = new VCard();
 
210
                                if( line.matches( "^BEGIN:VCARD" ) ) {
 
211
                                        setProgress( _progress++ );
 
212
                                        vcard = new Vcard();
 
213
                                        vcard_start_line = cli.getLineNumber();
193
214
                                }
194
215
                        }
195
216
                        else {
196
217
                                // look for vcard content or ending
197
 
                                if( line.matches( "^END[ \\t]*:[ \\t]*VCARD" ) )
 
218
                                if( line.matches( "^END:VCARD" ) )
198
219
                                {
199
 
                                        // store vcard and do away with it
 
220
                                        // finalise the vcard/contact
200
221
                                        try {
201
 
                                                vCard.finaliseParsing();
202
 
                                                importContact( vCard );
203
 
                                        }
204
 
                                        catch( VCard.ParseException e ) {
205
 
                                                skipContact();
206
 
                                                if( !showContinue(
207
 
                                                                getText( R.string.error_vcf_parse ).toString()
208
 
                                                                + fileName + "\n" + e.getMessage() ) )
209
 
                                                        finish( ACTION_ABORT );
210
 
                                        }
211
 
                                        catch( VCard.SkipContactException e ) {
212
 
                                                skipContact();
213
 
                                                // do nothing
214
 
                                        }
215
 
                                        vCard = null;
 
222
                                                vcard.finaliseVcard();
 
223
 
 
224
                                                // pass the finalised contact to the importer
 
225
                                                importContact( vcard );
 
226
                                        }
 
227
                                        catch( Vcard.ParseException e ) {
 
228
                                                if( !showContinue(
 
229
                                                        getText( R.string.error_vcf_parse ).toString()
 
230
                                                        + fileName +
 
231
                                                        getText( R.string.error_vcf_parse_line ).toString()
 
232
                                                        + cli.getLineNumber() + ":\n" + e.getMessage() ) )
 
233
                                                {
 
234
                                                        finish( ACTION_ABORT );
 
235
                                                }
 
236
                                                else
 
237
                                                        skipContact();
 
238
                                        }
 
239
                                        catch( ContactData.ContactNotIdentifiableException e ) {
 
240
                                                if( !showContinue(
 
241
                                                        getText( R.string.error_vcf_parse ).toString()
 
242
                                                        + fileName +
 
243
                                                        getText( R.string.error_vcf_parse_line ).toString()
 
244
                                                        + vcard_start_line + ":\n" + getText(
 
245
                                                                R.string.error_vcf_notenoughinfo ).toString()
 
246
                                                ) )
 
247
                                                {
 
248
                                                        finish( ACTION_ABORT );
 
249
                                                }
 
250
                                                else
 
251
                                                        skipContact();
 
252
                                        }
 
253
 
 
254
                                        // discard this vcard
 
255
                                        vcard = null;
216
256
                                }
217
257
                                else
218
258
                                {
219
259
                                        // try giving the line to the vcard
220
260
                                        try {
221
 
                                                vCard.parseLine( line );
 
261
                                                vcard.parseLine( buffer, line,
 
262
                                                        cli.doesNextLineLookFolded() );
222
263
                                        }
223
 
                                        catch( VCard.ParseException e ) {
 
264
                                        catch( Vcard.ParseException e ) {
224
265
                                                skipContact();
225
266
                                                if( !showContinue(
226
 
                                                                getText( R.string.error_vcf_parse ).toString()
227
 
                                                                + fileName + "\n" + e.getMessage() ) )
 
267
                                                        getText( R.string.error_vcf_parse ).toString()
 
268
                                                        + fileName +
 
269
                                                        getText( R.string.error_vcf_parse_line ).toString()
 
270
                                                        + cli.getLineNumber() + "\n" + e.getMessage() ) )
 
271
                                                {
228
272
                                                        finish( ACTION_ABORT );
 
273
                                                }
229
274
 
230
275
                                                // although we're continuing, we still need to abort
231
276
                                                // this vCard. Further lines will be ignored until we
232
277
                                                // get to another BEGIN:VCARD line.
233
 
                                                vCard = null;
 
278
                                                vcard = null;
234
279
                                        }
235
 
                                        catch( VCard.SkipContactException e ) {
 
280
                                        catch( Vcard.SkipImportException e ) {
236
281
                                                skipContact();
237
282
                                                // abort this vCard. Further lines will be ignored until
238
283
                                                // we get to another BEGIN:VCARD line.
239
 
                                                vCard = null;
 
284
                                                vcard = null;
240
285
                                        }
241
286
                                }
242
287
                        }
243
288
                }
244
289
        }
245
290
 
246
 
        private class VCard extends ContactData
 
291
        class ContentLineIterator implements Iterator< ByteBuffer >
 
292
        {
 
293
                protected byte[] _content = null;
 
294
                protected int _pos = 0;
 
295
                protected int _line = 0;
 
296
 
 
297
                public ContentLineIterator( byte[] content )
 
298
                {
 
299
                        _content = content;
 
300
                }
 
301
 
 
302
                @Override
 
303
                public boolean hasNext()
 
304
                {
 
305
                        return _pos < _content.length;
 
306
                }
 
307
 
 
308
                @Override
 
309
                public ByteBuffer next()
 
310
                {
 
311
                        int initial_pos = _pos;
 
312
 
 
313
                        // find newline
 
314
                        for( ; _pos < _content.length; _pos++ )
 
315
                                if( _content[ _pos ] == '\n' )
 
316
                                {
 
317
                                        // adjust for a \r preceding the \n
 
318
                                        int to = ( _pos > 0 && _content[ _pos - 1 ] == '\r' &&
 
319
                                                _pos > initial_pos )? _pos - 1 : _pos;
 
320
                                        _pos++;
 
321
                                        _line++;
 
322
                                        return ByteBuffer.wrap( _content, initial_pos,
 
323
                                                to - initial_pos );
 
324
                                }
 
325
 
 
326
                        // we didn't find one, but were there bytes left?
 
327
                        if( _pos != initial_pos ) {
 
328
                                int to = _pos;
 
329
                                _pos++;
 
330
                                _line++;
 
331
                                return ByteBuffer.wrap( _content, initial_pos,
 
332
                                        to - initial_pos );
 
333
                        }
 
334
 
 
335
                        // no bytes left
 
336
                        throw new NoSuchElementException();
 
337
                }
 
338
 
 
339
                @Override
 
340
                public void remove()
 
341
                {
 
342
                        throw new UnsupportedOperationException();
 
343
                }
 
344
 
 
345
                /**
 
346
                 * Does the next line, if there is one, look like it should be folded
 
347
                 * onto the end of this one?
 
348
                 * @return
 
349
                 */
 
350
                public boolean doesNextLineLookFolded()
 
351
                {
 
352
                        return _pos > 0 && _pos < _content.length &&
 
353
                                _content[ _pos - 1 ] == '\n' && _content[ _pos ] == ' ';
 
354
                }
 
355
 
 
356
                public int getLineNumber()
 
357
                {
 
358
                        return _line;
 
359
                }
 
360
        }
 
361
 
 
362
        private class Vcard extends ContactData
247
363
        {
248
364
                private final static int NAMELEVEL_NONE = 0;
249
 
                private final static int NAMELEVEL_ORG = 1;
250
 
                private final static int NAMELEVEL_FN = 2;
251
 
                private final static int NAMELEVEL_N = 3;
 
365
                private final static int NAMELEVEL_FN = 1;
 
366
                private final static int NAMELEVEL_N = 2;
 
367
 
 
368
                private final static int MULTILINE_NONE = 0;
 
369
                private final static int MULTILINE_ENCODED = 1; // v2.1 quoted-printable
 
370
                private final static int MULTILINE_ESCAPED = 2; // v2.1 \\CRLF
 
371
                private final static int MULTILINE_FOLDED = 3;  // v3.0 folding
252
372
 
253
373
                private String _version = null;
254
 
                private Vector< String > _lines = null;
255
 
                private int _nameLevel = NAMELEVEL_NONE;
 
374
                private Vector< ByteBuffer > _buffers = null;
 
375
                private int _name_level = NAMELEVEL_NONE;
 
376
                private int _parser_multiline_state = MULTILINE_NONE;
 
377
                private String _parser_current_name_and_params = null;
 
378
                private String _parser_buffered_value_so_far = "";
 
379
                private String _cached_organisation = null;
 
380
                private String _cached_title = null;
 
381
 
 
382
                protected class UnencodeResult
 
383
                {
 
384
                        private boolean _another_line_required;
 
385
                        private ByteBuffer _buffer;
 
386
 
 
387
                        public UnencodeResult( boolean another_line_required,
 
388
                                ByteBuffer buffer )
 
389
                        {
 
390
                                _another_line_required = another_line_required;
 
391
                                _buffer = buffer;
 
392
                        }
 
393
 
 
394
                        public boolean isAnotherLineRequired()
 
395
                        {
 
396
                                return _another_line_required;
 
397
                        }
 
398
 
 
399
                        public ByteBuffer getBuffer()
 
400
                        {
 
401
                                return _buffer;
 
402
                        }
 
403
                }
256
404
 
257
405
                @SuppressWarnings("serial")
258
406
                protected class ParseException extends Exception
265
413
 
266
414
                        public ParseException( int res )
267
415
                        {
268
 
                                super( VCFImporter.this.getText( res ).toString() );
 
416
                                super( VcardImporter.this.getText( res ).toString() );
269
417
                        }
270
418
                }
271
419
 
272
420
                @SuppressWarnings("serial")
273
 
                protected class SkipContactException extends Exception { }
274
 
 
275
 
                public void parseLine( String line )
276
 
                                throws ParseException, SkipContactException,
277
 
                                AbortImportException
278
 
                {
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
 
 
 
421
                protected class SkipImportException extends Exception { }
 
422
 
 
423
                private String extractCollonPartFromLine( ByteBuffer buffer,
 
424
                        String line, boolean former )
 
425
                {
 
426
                        String ret = null;
 
427
 
 
428
                        // get a US-ASCII version of the line for processing, unless we were
 
429
                        // supplied with one
 
430
                        if( line == null ) {
 
431
                                try {
 
432
                                        line = new String( buffer.array(), buffer.position(),
 
433
                                                buffer.limit() - buffer.position(), "US-ASCII" );
 
434
                                }
 
435
                                catch( UnsupportedEncodingException e ) {
 
436
                                        // we know US-ASCII is supported, so appease the compiler...
 
437
                                        line = "";
 
438
                                }
 
439
                        }
 
440
 
 
441
                        // split line into name and value parts and check to make sure we
 
442
                        // only got 2 parts and that the first part is not zero in length
 
443
                        String[] parts = line.split( ":", 2 );
 
444
                        if( parts.length == 2 && parts[ 0 ].length() > 0 )
 
445
                                ret = parts[ former? 0 : 1 ];
 
446
 
 
447
                        return ret;
 
448
                }
 
449
 
 
450
                private String extractNameAndParamsFromLine( ByteBuffer buffer,
 
451
                        String line )
 
452
                {
 
453
                        return extractCollonPartFromLine( buffer, line, true );
 
454
                }
 
455
 
 
456
                private String extractValueFromLine( ByteBuffer buffer, String line )
 
457
                {
 
458
                        return extractCollonPartFromLine( buffer, line, false );
 
459
                }
 
460
 
 
461
                public void parseLine( ByteBuffer buffer, String line,
 
462
                        boolean next_line_looks_folded )
 
463
                        throws ParseException, SkipImportException,
 
464
                        AbortImportException
 
465
                {
 
466
                        // do we have a version yet?
287
467
                        if( _version == null )
288
468
                        {
289
 
                                if( props[ 0 ].equals( "VERSION" ) )
 
469
                                // tentatively get name and params from line
 
470
                                String name_and_params =
 
471
                                        extractNameAndParamsFromLine( buffer, line );
 
472
 
 
473
                                // is it a version line?
 
474
                                if( name_and_params != null &&
 
475
                                        name_and_params.equals( "VERSION" ) )
290
476
                                {
291
 
                                        // get version
292
 
                                        if( !props[ 1 ].equals( "2.1" ) &&
293
 
                                                        !props[ 1 ].equals( "3.0" ) )
 
477
                                        // yes, get it!
 
478
                                        String value = extractValueFromLine( buffer, line );
 
479
                                        if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
294
480
                                                throw new ParseException( R.string.error_vcf_version );
295
 
                                        _version = props[ 1 ];
 
481
                                        _version = value;
296
482
 
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;
 
483
                                        // parse any buffers we've been accumulating while we waited
 
484
                                        // for a version
 
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() ) == ' ' );
 
492
                                        _buffers = null;
302
493
                                }
303
494
                                else
304
495
                                {
305
 
                                        // stash this line till we have a version
306
 
                                        if( _lines == null )
307
 
                                                _lines = new Vector< String >();
308
 
                                        _lines.add( line );
 
496
                                        // no, so stash this line till we get a version
 
497
                                        if( _buffers == null )
 
498
                                                _buffers = new Vector< ByteBuffer >();
 
499
                                        _buffers.add( buffer );
309
500
                                }
310
501
                        }
311
502
                        else
312
503
                        {
 
504
                                // name and params and the position in the buffer where the
 
505
                                // "value" part of the line start
 
506
                                String name_and_params;
 
507
                                int pos;
 
508
 
 
509
                                if( _parser_multiline_state != MULTILINE_NONE )
 
510
                                {
 
511
                                        // if we're currently in a multi-line value, use the stored
 
512
                                        // property name and parameters
 
513
                                        name_and_params = _parser_current_name_and_params;
 
514
 
 
515
                                        // skip some initial line characters, depending on the type
 
516
                                        // of multi-line we're handling
 
517
                                        pos = buffer.position();
 
518
                                        switch( _parser_multiline_state )
 
519
                                        {
 
520
                                        case MULTILINE_FOLDED:
 
521
                                                pos++;
 
522
                                                break;
 
523
                                        case MULTILINE_ENCODED:
 
524
                                                while( pos < buffer.limit() && (
 
525
                                                        buffer.get( pos ) == ' ' ||
 
526
                                                        buffer.get( pos ) == '\t' ) )
 
527
                                                {
 
528
                                                        pos++;
 
529
                                                }
 
530
                                                break;
 
531
                                        default:
 
532
                                                // do nothing
 
533
                                        }
 
534
 
 
535
                                        // take us out of multi-line so that we can re-detect that
 
536
                                        // this line is a multi-line or not
 
537
                                        _parser_multiline_state = MULTILINE_NONE;
 
538
                                }
 
539
                                else
 
540
                                {
 
541
                                        // get name and params from line, and since we're not
 
542
                                        // parsing a subsequent line in a multi-line, this should
 
543
                                        // not fail, or it's an error
 
544
                                        name_and_params =
 
545
                                                extractNameAndParamsFromLine( buffer, line );
 
546
                                        if( name_and_params == null )
 
547
                                                throw new ParseException(
 
548
                                                        R.string.error_vcf_malformed );
 
549
 
 
550
                                        // calculate how many chars to skip from beginning of line
 
551
                                        // so we skip the property "name:" part
 
552
                                        pos = buffer.position() + name_and_params.length() + 1;
 
553
 
 
554
                                        // reset the saved multi-line state
 
555
                                        _parser_current_name_and_params = name_and_params;
 
556
                                        _parser_buffered_value_so_far = "";
 
557
                                }
 
558
 
 
559
                                // get value from buffer, as raw bytes
 
560
                                ByteBuffer value;
 
561
                                value = ByteBuffer.wrap( buffer.array(), pos,
 
562
                                        buffer.limit() - pos );
 
563
 
313
564
                                // get parameter parts
314
 
                                String[] params = props[ 0 ].split( ";" );
315
 
                                for( int i = 0; i < params.length; i++ )
316
 
                                        params[ i ] = params[ i ].trim();
 
565
                                String[] name_param_parts = name_and_params.split( ";", -1 );
 
566
                                for( int i = 0; i < name_param_parts.length; i++ )
 
567
                                        name_param_parts[ i ] = name_param_parts[ i ].trim();
 
568
 
 
569
                                // determine whether we care about this entry
 
570
                                final HashSet< String > interesting_fields =
 
571
                                        new HashSet< String >( Arrays.asList( new String[]
 
572
                                                { "N", "FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR" }
 
573
                                ) );
 
574
                                boolean is_interesting_field =
 
575
                                        interesting_fields.contains( name_param_parts[ 0 ] );
 
576
 
 
577
                                // parse encoding parameter
 
578
                                String encoding = checkParam( name_param_parts, "ENCODING" );
 
579
                                if( encoding != null ) encoding = encoding.toUpperCase();
 
580
                                if( is_interesting_field && encoding != null &&
 
581
                                        !encoding.equals( "8BIT" ) &&
 
582
                                        !encoding.equals( "QUOTED-PRINTABLE" ) )
 
583
                                        //&& !encoding.equals( "BASE64" ) )
 
584
                                {
 
585
                                        throw new ParseException( R.string.error_vcf_encoding );
 
586
                                }
 
587
 
 
588
                                // parse charset parameter
 
589
                                String charset = checkParam( name_param_parts, "CHARSET" );
 
590
                                if( charset != null ) charset = charset.toUpperCase();
 
591
                                if( charset != null &&
 
592
                                        !charset.equals( "US-ASCII" ) &&
 
593
                                        !charset.equals( "ASCII" ) &&
 
594
                                        !charset.equals( "UTF-8" ) )
 
595
                                {
 
596
                                        throw new ParseException( R.string.error_vcf_charset );
 
597
                                }
 
598
 
 
599
                                // do unencoding (or default to a fake unencoding result with
 
600
                                // the raw string)
 
601
                                UnencodeResult unencoding_result = null;
 
602
                                if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
 
603
                                        unencoding_result = unencodeQuotedPrintable( value );
 
604
//                              else if( encoding != null && encoding.equals( "BASE64" ) )
 
605
//                                      unencoding_result = unencodeBase64( props[ 1 ], charset );
 
606
                                if( unencoding_result != null ) {
 
607
                                        value = unencoding_result.getBuffer();
 
608
                                        if( unencoding_result.isAnotherLineRequired() )
 
609
                                                _parser_multiline_state = MULTILINE_ENCODED;
 
610
                                }
 
611
 
 
612
                                // convert 8-bit ASCII charset to US-ASCII
 
613
                                if( charset == null || charset.equals( "ASCII" ) ) {
 
614
                                        value = transcodeAsciiToUtf8( value );
 
615
                                        charset = "UTF-8";
 
616
                                }
 
617
 
 
618
                                // process charset
 
619
                                String string_value;
 
620
                                try {
 
621
                                        string_value = new String( value.array(), value.position(),
 
622
                                                value.limit() - value.position(), charset );
 
623
                                } catch( UnsupportedEncodingException e ) {
 
624
                                        throw new ParseException( R.string.error_vcf_charset );
 
625
                                }
 
626
 
 
627
                                // for some entries that have semicolon-separated value parts,
 
628
                                // check to see if the value ends in an escape character, which
 
629
                                // indicates that we have a multi-line value
 
630
                                if( ( name_param_parts[ 0 ].equals( "N" ) ||
 
631
                                        name_param_parts[ 0 ].equals( "ORG" ) ||
 
632
                                        name_param_parts[ 0 ].equals( "ADR" ) ) &&
 
633
                                        doesStringEndInAnEscapeChar( string_value ) )
 
634
                                {
 
635
                                        _parser_multiline_state = MULTILINE_ESCAPED;
 
636
                                        string_value = string_value.substring( 0,
 
637
                                                string_value.length() - 1 );
 
638
                                }
 
639
 
 
640
                                // now we know whether we're in an encoding multi-line,
 
641
                                // determine if we're in a v3 folded multi-line or not
 
642
                                if( _parser_multiline_state == MULTILINE_NONE &&
 
643
                                        _version.equals( "3.0" ) && next_line_looks_folded )
 
644
                                {
 
645
                                        _parser_multiline_state = MULTILINE_FOLDED;
 
646
                                }
 
647
 
 
648
                                // handle multi-lines by buffering them and parsing them when we
 
649
                                // are processing the last line in a multi-line sequence
 
650
                                if( _parser_multiline_state != MULTILINE_NONE ) {
 
651
                                        _parser_buffered_value_so_far += string_value;
 
652
                                        return;
 
653
                                }
 
654
                                String complete_value =
 
655
                                        ( _parser_buffered_value_so_far + string_value ).trim();
 
656
 
 
657
                                // ignore empty values
 
658
                                if( complete_value.length() < 1 ) return;
317
659
 
318
660
                                // 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 ] );
329
 
                        }
 
661
                                if( name_param_parts[ 0 ].equals( "N" ) )
 
662
                                        parseN( name_param_parts, complete_value );
 
663
                                else if( name_param_parts[ 0 ].equals( "FN" ) )
 
664
                                        parseFN( name_param_parts, complete_value );
 
665
                                else if( name_param_parts[ 0 ].equals( "ORG" ) )
 
666
                                        parseORG( name_param_parts, complete_value );
 
667
                                else if( name_param_parts[ 0 ].equals( "TITLE" ) )
 
668
                                        parseTITLE( name_param_parts, complete_value );
 
669
                                else if( name_param_parts[ 0 ].equals( "TEL" ) )
 
670
                                        parseTEL( name_param_parts, complete_value );
 
671
                                else if( name_param_parts[ 0 ].equals( "EMAIL" ) )
 
672
                                        parseEMAIL( name_param_parts, complete_value );
 
673
                                else if( name_param_parts[ 0 ].equals( "ADR" ) )
 
674
                                        parseADR( name_param_parts, complete_value );
 
675
                        }
 
676
                }
 
677
 
 
678
                private boolean doesStringEndInAnEscapeChar( String string )
 
679
                {
 
680
                        // count the number of backslashes at the end of the string
 
681
                        int count = 0;
 
682
                        for( int a = string.length() - 1; a >= 0; a-- )
 
683
                                if( string.charAt( a ) == '\\' )
 
684
                                        count++;
 
685
                                else
 
686
                                        break;
 
687
 
 
688
                        // if there are an even number of backslashes then the final one
 
689
                        // doesn't count
 
690
                        return ( count & 1 ) == 1;
 
691
                }
 
692
 
 
693
                private String[] splitValueBySemicolon( String value )
 
694
                {
 
695
                        // split string in to parts by semicolon
 
696
                        ArrayList< String > parts = new ArrayList< String >(
 
697
                                Arrays.asList( value.split(  ";" ) ) );
 
698
 
 
699
                        // go through parts
 
700
                        for( int a = 0; a < parts.size(); a++ )
 
701
                        {
 
702
                                String str = parts.get( a );
 
703
 
 
704
                                // look for parts that end in an escape character, but ignore
 
705
                                // the final part. We've already detected escape chars at the
 
706
                                // end of the final part in parseLine() and handled multi-lines
 
707
                                // accordingly.
 
708
                                if( a < parts.size() - 1 &&
 
709
                                        doesStringEndInAnEscapeChar( str ) )
 
710
                                {
 
711
                                        // join the next part to this part and remove the next part
 
712
                                        parts.set( a, str.substring( 0, str.length() - 1 ) +
 
713
                                                ';' + parts.get( a + 1 ) );
 
714
                                        parts.remove( a + 1 );
 
715
 
 
716
                                        // re-visit this part
 
717
                                        a--;
 
718
                                        continue;
 
719
                                }
 
720
 
 
721
                                // trim and replace string
 
722
                                str = str.trim();
 
723
                                parts.set( a, str );
 
724
                        }
 
725
 
 
726
                        String[] ret = new String[ parts.size() ];
 
727
                        return parts.toArray( ret );
330
728
                }
331
729
 
332
730
                private void parseN( String[] params, String value )
333
 
                                throws ParseException, SkipContactException,
334
 
                                AbortImportException
335
731
                {
336
732
                        // already got a better name?
337
 
                        if( _nameLevel >= NAMELEVEL_N ) return;
 
733
                        if( _name_level >= NAMELEVEL_N ) return;
338
734
 
339
735
                        // get name parts
340
 
                        String[] nameparts = value.split( ";" );
341
 
                        for( int i = 0; i < nameparts.length; i++ )
342
 
                                nameparts[ i ] = nameparts[ i ].trim();
 
736
                        String[] name_parts = splitValueBySemicolon( value );
343
737
 
344
738
                        // build name
345
739
                        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 ];
 
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 ];
350
744
 
351
745
                        // set name
352
 
                        setName( undoCharsetAndEncoding( params, value ) );
353
 
                        _nameLevel = NAMELEVEL_N;
354
 
 
355
 
                        // check now to see if we need to import this contact (to avoid
356
 
                        // parsing the rest of the vCard unnecessarily)
357
 
                        if( !isImportRequired( getName() ) )
358
 
                                throw new SkipContactException();
 
746
                        setName( value );
 
747
                        _name_level = NAMELEVEL_N;
359
748
                }
360
749
 
361
750
                private void parseFN( String[] params, String value )
362
 
                                throws ParseException, SkipContactException
363
751
                {
364
752
                        // already got a better name?
365
 
                        if( _nameLevel >= NAMELEVEL_FN ) return;
 
753
                        if( _name_level >= NAMELEVEL_FN ) return;
366
754
 
367
755
                        // set name
368
 
                        setName( undoCharsetAndEncoding( params, value ) );
369
 
                        _nameLevel = NAMELEVEL_FN;
 
756
                        setName( value );
 
757
                        _name_level = NAMELEVEL_FN;
370
758
                }
371
759
 
372
760
                private void parseORG( String[] params, String value )
373
 
                                throws ParseException, SkipContactException
374
761
                {
375
 
                        // already got a better name?
376
 
                        if( _nameLevel >= NAMELEVEL_ORG ) return;
377
 
 
378
762
                        // get org parts
379
 
                        String[] orgparts = value.split( ";" );
380
 
                        for( int i = 0; i < orgparts.length; i++ )
381
 
                                orgparts[ i ] = orgparts[ i ].trim();
382
 
 
383
 
                        // build name
384
 
                        if( orgparts[ 0 ].length() == 0 && orgparts.length > 1 )
385
 
                                value = orgparts[ 1 ];
386
 
                        else
387
 
                                value = orgparts[ 0 ];
388
 
 
389
 
                        // set name
390
 
                        setName( undoCharsetAndEncoding( params, value ) );
391
 
                        _nameLevel = NAMELEVEL_ORG;
 
763
                        String[] org_parts = splitValueBySemicolon( value );
 
764
                        if( org_parts == null || org_parts.length < 1 ) return;
 
765
 
 
766
                        // build organisation name
 
767
                        StringBuilder builder = new StringBuilder(
 
768
                                String.valueOf( org_parts[ 0 ] ) );
 
769
                        for( int a = 1; a < org_parts.length; a++ )
 
770
                                builder.append( ", " ).append( org_parts[ a ] );
 
771
                        String organisation = builder.toString();
 
772
 
 
773
                        // set organisation name (using a title we've previously found)
 
774
                        addOrganisation( organisation, _cached_title, true );
 
775
 
 
776
                        // if we've not previously found a title, store this organisation
 
777
                        // name (we'll need it when we find a title to update the
 
778
                        // organisation, by name), else if we *have* previously found a
 
779
                        // title, clear it (since we just used it)
 
780
                        if( _cached_title == null )
 
781
                                _cached_organisation = organisation;
 
782
                        else
 
783
                                _cached_title = null;
 
784
                }
 
785
 
 
786
                private void parseTITLE( String[] params, String value )
 
787
                {
 
788
                        // if we previously had an organisation, look it up and append this
 
789
                        // title to it
 
790
                        if( _cached_organisation != null && hasOrganisations() ) {
 
791
                                HashMap< String, ExtraDetail > datas = getOrganisations();
 
792
                                ExtraDetail detail = datas.get( _cached_organisation );
 
793
                                if( detail != null )
 
794
                                        detail.setExtra( value );
 
795
                        }
 
796
 
 
797
                        // same as when handling organisation, if we've not previously found
 
798
                        // an organisation we store this title, else we clear it (since we
 
799
                        // just appended this title to it)
 
800
                        if( _cached_organisation == null )
 
801
                                _cached_title = value;
 
802
                        else
 
803
                                _cached_organisation = null;
392
804
                }
393
805
 
394
806
                private void parseTEL( String[] params, String value )
395
 
                                throws ParseException
396
807
                {
397
808
                        if( value.length() == 0 ) return;
398
809
 
399
810
                        Set< String > types = extractTypes( params, Arrays.asList(
400
 
                                        "PREF", "HOME", "WORK", "VOICE", "FAX", "MSG", "CELL",
401
 
                                        "PAGER", "BBS", "MODEM", "CAR", "ISDN", "VIDEO" ) );
 
811
                                "PREF", "HOME", "WORK", "VOICE", "FAX", "MSG", "CELL",
 
812
                                "PAGER", "BBS", "MODEM", "CAR", "ISDN", "VIDEO" ) );
402
813
 
403
814
                        // here's the logic...
404
 
                        boolean preferred = types.contains( "PREF" );
405
 
                        if( types.contains( "VOICE" ) )
406
 
                                if( types.contains( "WORK" ) )
407
 
                                        addPhone( value, PhonesColumns.TYPE_WORK, preferred );
408
 
                                else
409
 
                                        addPhone( value, PhonesColumns.TYPE_HOME, preferred );
410
 
                        else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
411
 
                                addPhone( value, PhonesColumns.TYPE_MOBILE, preferred );
 
815
                        boolean is_preferred = types.contains( "PREF" );
 
816
                        int type;
412
817
                        if( types.contains( "FAX" ) )
413
818
                                if( types.contains( "HOME" ) )
414
 
                                        addPhone( value, PhonesColumns.TYPE_FAX_HOME, preferred );
 
819
                                        type = PhonesColumns.TYPE_FAX_HOME;
415
820
                                else
416
 
                                        addPhone( value, PhonesColumns.TYPE_FAX_WORK, preferred );
417
 
                        if( types.contains( "PAGER" ) )
418
 
                                addPhone( value, PhonesColumns.TYPE_PAGER, preferred );
 
821
                                        type = PhonesColumns.TYPE_FAX_WORK;
 
822
                        else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
 
823
                                type = PhonesColumns.TYPE_MOBILE;
 
824
                        else if( types.contains( "PAGER" ) )
 
825
                                type = PhonesColumns.TYPE_PAGER;
 
826
                        else if( types.contains( "WORK" ) )
 
827
                                type = PhonesColumns.TYPE_WORK;
 
828
                        else
 
829
                                type = PhonesColumns.TYPE_HOME;
 
830
 
 
831
                        // add phone number
 
832
                        addNumber( value, type, is_preferred );
419
833
                }
420
834
 
421
835
                public void parseEMAIL( String[] params, String value )
423
837
                        if( value.length() == 0 ) return;
424
838
 
425
839
                        Set< String > types = extractTypes( params, Arrays.asList(
426
 
                                        "PREF", "WORK", "HOME", "INTERNET" ) );
427
 
 
428
 
                        // here's the logic...
429
 
                        boolean preferred = types.contains( "PREF" );
430
 
                        if( types.contains( "WORK" ) )
431
 
                                addEmail( value, Contacts.ContactMethods.TYPE_WORK, preferred );
432
 
                        else
433
 
                                addEmail( value, Contacts.ContactMethods.TYPE_HOME, preferred );
434
 
                }
435
 
 
436
 
                public void finaliseParsing()
437
 
                                throws ParseException, SkipContactException,
438
 
                                AbortImportException
 
840
                                "PREF", "WORK", "HOME", "INTERNET" ) );
 
841
 
 
842
                        // add email address
 
843
                        boolean is_preferred = types.contains( "PREF" );
 
844
                        int type;
 
845
                        if( types.contains( "WORK" ) )
 
846
                                type = Contacts.ContactMethods.TYPE_WORK;
 
847
                        else
 
848
                                type = Contacts.ContactMethods.TYPE_HOME;
 
849
 
 
850
                        addEmail( value, type, is_preferred );
 
851
                }
 
852
 
 
853
                private void parseADR( String[] params, String value )
 
854
                {
 
855
                        // get address parts
 
856
                        String[] adr_parts = splitValueBySemicolon( value );
 
857
 
 
858
                        // build address
 
859
                        value = "";
 
860
                        for( int a = 0; a < adr_parts.length; a++ ) {
 
861
                                if( value.length() > 0 ) value += "\n";
 
862
                                value += adr_parts[ a ].trim();
 
863
                        }
 
864
 
 
865
                        Set< String > types = extractTypes( params, Arrays.asList(
 
866
                                "PREF", "WORK", "HOME", "INTERNET" ) );
 
867
 
 
868
                        // add address
 
869
                        int type;
 
870
                        if( types.contains( "WORK" ) )
 
871
                                type = Contacts.ContactMethods.TYPE_WORK;
 
872
                        else
 
873
                                type = Contacts.ContactMethods.TYPE_HOME;
 
874
 
 
875
                        addAddress( value, type );
 
876
                }
 
877
 
 
878
                public void finaliseVcard()
 
879
                        throws ParseException, ContactNotIdentifiableException
439
880
                {
440
881
                        // missing version (and data is present)
441
 
                        if( _version == null && _lines != null )
 
882
                        if( _version == null && _buffers != null )
442
883
                                throw new ParseException( R.string.error_vcf_malformed );
443
884
 
444
 
                        //  missing name properties?
445
 
                        if( _nameLevel == NAMELEVEL_NONE )
446
 
                                throw new ParseException( R.string.error_vcf_noname );
447
 
 
448
 
                        // check if we should import this one? If we've already got an 'N'-
449
 
                        // type name, this will already have been done by parseN() so we
450
 
                        // mustn't do this here (or it could prompt twice!)
451
 
                        if( _nameLevel < NAMELEVEL_N && !isImportRequired( getName() ) )
452
 
                                throw new SkipContactException();
453
 
                }
454
 
 
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
 
                                throw new ParseException( R.string.error_vcf_encoding );
466
 
 
467
 
                        // do decoding?
468
 
                        if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
469
 
                                return unencodeQuotedPrintable( value, charset );
470
 
 
471
 
                        // nothing to do!
472
 
                        return value;
 
885
                        // finalise the parent class
 
886
                        finalise();
473
887
                }
474
888
 
475
889
                private String checkParam( String[] params, String name )
476
890
                {
477
 
                        Pattern p = Pattern.compile( "^" + name + "[ \\t]*=[ \\t]*(.*)$" );
 
891
                        Pattern p = Pattern.compile(
 
892
                                "^" + name + "[ \\t]*=[ \\t]*(\"?)(.*)\\1$" );
478
893
                        for( int i = 0; i < params.length; i++ ) {
479
894
                                Matcher m = p.matcher( params[ i ] );
480
895
                                if( m.matches() )
481
 
                                        return m.group( 1 );
 
896
                                        return m.group( 2 );
482
897
                        }
483
898
                        return null;
484
899
                }
485
900
 
486
901
                private Set< String > extractTypes( String[] params,
487
 
                                List< String > validTypes )
 
902
                        List< String > valid_types )
488
903
                {
489
904
                        HashSet< String > types = new HashSet< String >();
490
905
 
491
906
                        // get 3.0-style TYPE= param
492
 
                        String typeParam;
493
 
                        if( ( typeParam = checkParam( params, "TYPE" ) ) != null ) {
494
 
                                String[] bits = typeParam.split( "," );
495
 
                                for( int i = 0; i < bits.length; i++ )
496
 
                                        if( validTypes.contains( bits[ i ] ) )
497
 
                                                types.add( bits[ i ] );
 
907
                        String 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 ] );
498
913
                        }
499
914
 
500
915
                        // get 2.1-style type param
501
916
                        if( _version.equals( "2.1" ) ) {
502
917
                                for( int i = 1; i < params.length; i++ )
503
 
                                        if( validTypes.contains( params[ i ] ) )
 
918
                                        if( valid_types.contains( params[ i ] ) )
504
919
                                                types.add( params[ i ] );
505
920
                        }
506
921
 
507
922
                        return types;
508
923
                }
509
924
 
510
 
                private String unencodeQuotedPrintable( String str, String charset )
 
925
                private UnencodeResult unencodeQuotedPrintable( ByteBuffer in )
511
926
                {
512
 
                        // default encoding scheme
513
 
                        if( charset == null ) charset = "UTF-8";
 
927
                        boolean another = false;
514
928
 
515
 
                        // unencode quoted-pritable encoding, as per RFC1521 section 5.1
516
 
                        byte[] bytes = new byte[ str.length() ];
 
929
                        // unencode quoted-printable encoding, as per RFC1521 section 5.1
 
930
                        byte[] out = new byte[ in.limit() - in.position() ];
517
931
                        int j = 0;
518
 
                        for( int i = 0; i < str.length(); i++, j++ ) {
519
 
                                char ch = str.charAt( i );
520
 
                                if( ch == '=' && i < str.length() - 2 ) {
521
 
                                        bytes[ j ] = (byte)(
522
 
                                                        Character.digit( str.charAt( i + 1 ), 16 ) * 16 +
523
 
                                                        Character.digit( str.charAt( i + 2 ), 16 ) );
 
932
                        for( int i = in.position(); i < in.limit(); i++ )
 
933
                        {
 
934
                                // get next char and process...
 
935
                                byte ch = in.array()[ i ];
 
936
                                if( ch == '=' && i < in.limit() - 2 )
 
937
                                {
 
938
                                        // we found a =XX format byte, add it
 
939
                                        out[ j ] = (byte)(
 
940
                                                        Character.digit( in.array()[ i + 1 ], 16 ) * 16 +
 
941
                                                        Character.digit( in.array()[ i + 2 ], 16 ) );
524
942
                                        i += 2;
525
943
                                }
 
944
                                else if( ch == '=' && i == in.limit() - 1 )
 
945
                                {
 
946
                                        // we found a '=' at the end of a line signifying a multi-
 
947
                                        // line string, so we don't add it.
 
948
                                        another = true;
 
949
                                        continue;
 
950
                                }
526
951
                                else
527
 
                                        bytes[ j ] = (byte)ch;
528
 
                        }
529
 
                        try {
530
 
                                return new String( bytes, 0, j, charset );
531
 
                        } catch( UnsupportedEncodingException e ) { }
532
 
                        return null;
 
952
                                        // just a normal char...
 
953
                                        out[ j ] = (byte)ch;
 
954
                                j++;
 
955
                        }
 
956
 
 
957
                        return new UnencodeResult( another, ByteBuffer.wrap( out, 0, j ) );
 
958
                }
 
959
 
 
960
                private ByteBuffer transcodeAsciiToUtf8( ByteBuffer in )
 
961
                {
 
962
                        // transcode
 
963
                        byte[] out = new byte[ ( in.limit() - in.position() ) * 2 ];
 
964
                        int j = 0;
 
965
                        for( int a = in.position(); a < in.limit(); a++ )
 
966
                        {
 
967
                                // if char is < 127, keep it as-is
 
968
                                if( in.array()[ a ] >= 0 )
 
969
                                        out[ j++ ] = in.array()[ a ];
 
970
 
 
971
                                // else, convert it to UTF-8
 
972
                                else {
 
973
                                        int b = 0xff & (int)in.array()[ a ];
 
974
                                        out[ j++ ] = (byte)( 0xc0 | ( b >> 6 ) );
 
975
                                        out[ j++ ] = (byte)( 0x80 | ( b & 0x3f ) );
 
976
                                }
 
977
                        }
 
978
 
 
979
                        return ByteBuffer.wrap( out, 0, j );
533
980
                }
534
981
        }
535
982
}