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Viewing changes to src/org/waxworlds/importcontacts/VCFImporter.java

  • Committer: edam
  • Date: 2009-01-13 06:35:26 UTC
  • Revision ID: edam@waxworlds.org-20090113063526-l9t1s9git4bav60a
- new contact's phone numebrs and email addresses are added to the caches after those contacts are updated to account for the situation where the same contact is imported again from another file (or the contact exists twice in the same file!?)

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/*
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 * VCFImporter.java
3
3
 *
4
 
 * Copyright (C) 2009 to 2011 Tim Marston <tim@ed.am>
 
4
 * Copyright (C) 2009 Tim Marston <edam@waxworlds.org>
5
5
 *
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6
 * This file is part of the Import Contacts program (hereafter referred
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 * to as "this program"). For more information, see
8
 
 * http://ed.am/dev/android/import-contacts
 
8
 * http://www.waxworlds.org/edam/software/android/import-contacts
9
9
 *
10
10
 * This program is free software: you can redistribute it and/or modify
11
11
 * it under the terms of the GNU General Public License as published by
21
21
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
22
 */
23
23
 
24
 
package am.ed.importcontacts;
 
24
package org.waxworlds.importcontacts;
25
25
 
26
26
import java.io.BufferedReader;
27
27
import java.io.File;
28
 
import java.io.FileInputStream;
29
28
import java.io.FileNotFoundException;
30
29
import java.io.FileReader;
31
30
import java.io.FilenameFilter;
32
31
import java.io.IOException;
33
32
import java.io.UnsupportedEncodingException;
34
 
import java.nio.ByteBuffer;
35
 
import java.util.ArrayList;
36
33
import java.util.Arrays;
37
 
import java.util.HashMap;
38
34
import java.util.HashSet;
39
 
import java.util.Iterator;
40
35
import java.util.List;
41
 
import java.util.Locale;
42
 
import java.util.NoSuchElementException;
43
36
import java.util.Set;
44
37
import java.util.Vector;
45
38
import java.util.regex.Matcher;
46
39
import java.util.regex.Pattern;
47
40
 
48
 
import android.annotation.SuppressLint;
 
41
import org.waxworlds.importcontacts.Importer.AbortImportException;
 
42
 
49
43
import android.content.SharedPreferences;
 
44
import android.provider.Contacts;
 
45
import android.provider.Contacts.PhonesColumns;
50
46
 
51
 
public class VcardImporter extends Importer
 
47
public class VCFImporter extends Importer
52
48
{
53
 
        private int _vcard_count = 0;
 
49
        private int _vCardCount = 0;
54
50
        private int _progress = 0;
55
51
 
56
 
        public VcardImporter( Doit doit )
 
52
        public VCFImporter( Doit doit )
57
53
        {
58
54
                super( doit );
59
55
        }
60
56
 
61
 
        @SuppressLint( "SdCardPath" )
62
57
        @Override
63
58
        protected void onImport() throws AbortImportException
64
59
        {
72
67
                try
73
68
                {
74
69
                        // open directory
75
 
                        String path = "/sdcard" + prefs.getString( "location", "/" );
76
 
                        File file = new File( path );
77
 
                        if( !file.exists() )
 
70
                        String location = prefs.getString( "location", "" );
 
71
                        File dir = new File( location );
 
72
                        if( !dir.exists() || !dir.isDirectory() )
78
73
                                showError( R.string.error_locationnotfound );
79
74
 
80
 
                        // directory, or file?
81
 
                        if( file.isDirectory() )
82
 
                        {
83
 
                                // get files
84
 
                                class VCardFilter implements FilenameFilter {
85
 
                                        public boolean accept( File dir, String name ) {
86
 
                                                return name.toLowerCase( Locale.US ).endsWith( ".vcf" );
87
 
                                        }
88
 
                                }
89
 
                                files = file.listFiles( new VCardFilter() );
90
 
                        }
91
 
                        else
92
 
                        {
93
 
                                // use just this file
94
 
                                files = new File[ 1 ];
95
 
                                files[ 0 ] = file;
96
 
                        }
 
75
                        // get files
 
76
                        class VCardFilter implements FilenameFilter {
 
77
                            public boolean accept( File dir, String name ) {
 
78
                                return name.toLowerCase().endsWith( ".vcf" );
 
79
                            }
 
80
                        }
 
81
                        files = dir.listFiles( new VCardFilter() );
97
82
                }
98
83
                catch( SecurityException e ) {
99
84
                        showError( R.string.error_locationpermissions );
111
96
                        countVCardFile( files[ i ] );
112
97
                        setTmpProgress( i );
113
98
                }
114
 
                setProgressMax( _vcard_count ); // will also update tmp progress
 
99
                setProgressMax( _vCardCount );  // will also update tmp progress
115
100
 
116
101
                // import them
117
102
                setProgress( 0 );
118
103
                for( int i = 0; i < files.length; i++ )
119
104
                        importVCardFile( files[ i ] );
120
 
                setProgress( _vcard_count );
121
105
        }
122
106
 
123
107
        private void countVCardFile( File file ) throws AbortImportException
126
110
                {
127
111
                        // open file
128
112
                        BufferedReader reader = new BufferedReader(
129
 
                                new FileReader( file ) );
 
113
                                        new FileReader( file ) );
130
114
 
131
115
                        // read
132
116
                        String line;
133
 
                        boolean in_vcard = false;
 
117
                        boolean inVCard = false;
134
118
                        while( ( line = reader.readLine() ) != null )
135
119
                        {
136
 
                                if( !in_vcard ) {
 
120
                                if( !inVCard ) {
137
121
                                        // look for vcard beginning
138
 
                                        if( line.matches( "^BEGIN:VCARD" ) ) {
139
 
                                                in_vcard = true;
140
 
                                                _vcard_count++;
 
122
                                        if( line.matches( "^BEGIN[ \\t]*:[ \\t]*VCARD" ) ) {
 
123
                                                inVCard = true;
 
124
                                                _vCardCount++;
141
125
                                        }
142
126
                                }
143
 
                                else if( line.matches( "^END:VCARD" ) )
144
 
                                        in_vcard = false;
 
127
                                else if( line.matches( "^END[ \\t]*:[ \\t]*VCARD" ) )
 
128
                                        inVCard = false;
145
129
                        }
146
130
 
147
131
                }
148
132
                catch( FileNotFoundException e ) {
149
 
                        showError( getText( R.string.error_filenotfound ) +
150
 
                                file.getName() );
 
133
                        showError( getText( R.string.error_filenotfound ) + file.getName() );
151
134
                }
152
135
                catch( IOException e ) {
153
136
                        showError( getText( R.string.error_ioerror ) + file.getName() );
156
139
 
157
140
        private void importVCardFile( File file ) throws AbortImportException
158
141
        {
159
 
                // check file is good
160
 
                if( !file.exists() )
161
 
                        showError( getText( R.string.error_filenotfound ) +
162
 
                                file.getName() );
163
 
                if( file.length() == 0 )
164
 
                        showError( getText( R.string.error_fileisempty ) +
165
 
                                file.getName() );
166
 
 
167
142
                try
168
143
                {
169
 
                        // open/read file
170
 
                        FileInputStream istream = new FileInputStream( file );
171
 
                        byte[] content = new byte[ (int)file.length() ];
172
 
                        istream.read( content );
173
 
                        istream = null;
174
 
 
175
 
                        // import
176
 
                        importVCardFileContent( content, file.getName() );
 
144
                        // open file
 
145
                        BufferedReader reader = new BufferedReader(
 
146
                                        new FileReader( file ) );
 
147
 
 
148
                        // read
 
149
                        StringBuffer content = new StringBuffer();
 
150
                        String line;
 
151
                        while( ( line = reader.readLine() ) != null )
 
152
                                content.append( line ).append( "\n" );
 
153
 
 
154
                        importVCardFileContent( content.toString(), file.getName() );
177
155
                }
178
156
                catch( FileNotFoundException e ) {
179
 
                        showError( getText( R.string.error_filenotfound ) +
180
 
                                file.getName() );
 
157
                        showError( getText( R.string.error_filenotfound ) + file.getName() );
181
158
                }
182
159
                catch( IOException e ) {
183
160
                        showError( getText( R.string.error_ioerror ) + file.getName() );
184
161
                }
185
162
        }
186
163
 
187
 
        private void importVCardFileContent( byte[] content, String fileName )
188
 
                throws AbortImportException
 
164
        private void importVCardFileContent( String content, String fileName )
 
165
                        throws AbortImportException
189
166
        {
190
 
                // go through lines
191
 
                Vcard vcard = null;
192
 
                int vcard_start_line = 0;
193
 
                ContentLineIterator cli = new ContentLineIterator( content );
194
 
                while( cli.hasNext() )
 
167
                // unfold RFC2425 section 5.8.1 folded lines, except that we must also
 
168
                // handle embedded Quoted-Printable encodings that have a trailing '='.
 
169
                // So we remove these first before doing RFC2425 unfolding.
 
170
                content = content.replaceAll( "=\n[ \\t]", "" )
 
171
                                .replaceAll( "\n[ \\t]", "" );
 
172
 
 
173
                // get lines and parse them
 
174
                String[] lines = content.split( "\n" );
 
175
                VCard vCard = null;
 
176
                for( int i = 0; i < lines.length; i++ )
195
177
                {
196
 
                        ByteBuffer buffer = cli.next();
197
 
 
198
 
                        // get a US-ASCII version of the line for processing
199
 
                        String line;
200
 
                        try {
201
 
                                line = new String( buffer.array(), buffer.position(),
202
 
                                        buffer.limit() - buffer.position(), "US-ASCII" );
203
 
                        }
204
 
                        catch( UnsupportedEncodingException e ) {
205
 
                                // we know US-ASCII is supported, so appease the compiler...
206
 
                                line = "";
207
 
                        }
208
 
 
209
 
                        if( vcard == null ) {
 
178
                        String line = lines[ i ];
 
179
 
 
180
                        if( vCard == null ) {
210
181
                                // look for vcard beginning
211
 
                                if( line.matches( "^BEGIN:VCARD" ) ) {
212
 
                                        setProgress( _progress++ );
213
 
                                        vcard = new Vcard();
214
 
                                        vcard_start_line = cli.getLineNumber();
 
182
                                if( line.matches( "^BEGIN[ \\t]*:[ \\t]*VCARD" ) ) {
 
183
                                        setProgress( ++_progress );
 
184
                                        vCard = new VCard();
215
185
                                }
216
186
                        }
217
187
                        else {
218
188
                                // look for vcard content or ending
219
 
                                if( line.matches( "^END:VCARD" ) )
 
189
                                if( line.matches( "^END[ \\t]*:[ \\t]*VCARD" ) )
220
190
                                {
221
 
                                        // finalise the vcard/contact
 
191
                                        // store vcard and do away with it
222
192
                                        try {
223
 
                                                vcard.finaliseVcard();
224
 
 
225
 
                                                // pass the finalised contact to the importer
226
 
                                                importContact( vcard );
227
 
                                        }
228
 
                                        catch( Vcard.ParseException e ) {
229
 
                                                if( !showContinue(
230
 
                                                        getText( R.string.error_vcf_parse ).toString()
231
 
                                                        + fileName +
232
 
                                                        getText( R.string.error_vcf_parse_line ).toString()
233
 
                                                        + cli.getLineNumber() + ":\n" + e.getMessage() ) )
234
 
                                                {
235
 
                                                        finish( ACTION_ABORT );
236
 
                                                }
237
 
                                                else
238
 
                                                        skipContact();
239
 
                                        }
240
 
                                        catch( ContactData.ContactNotIdentifiableException e ) {
241
 
                                                if( !showContinue(
242
 
                                                        getText( R.string.error_vcf_parse ).toString()
243
 
                                                        + fileName +
244
 
                                                        getText( R.string.error_vcf_parse_line ).toString()
245
 
                                                        + vcard_start_line + ":\n" + getText(
246
 
                                                                R.string.error_vcf_notenoughinfo ).toString()
247
 
                                                ) )
248
 
                                                {
249
 
                                                        finish( ACTION_ABORT );
250
 
                                                }
251
 
                                                else
252
 
                                                        skipContact();
253
 
                                        }
254
 
 
255
 
                                        // discard this vcard
256
 
                                        vcard = null;
 
193
                                                vCard.finaliseParsing();
 
194
                                                importContact( vCard );
 
195
                                        }
 
196
                                        catch( VCard.ParseException e ) {
 
197
                                                skipContact();
 
198
                                                if( !showContinue(
 
199
                                                                getText( R.string.error_vcf_parse ).toString()
 
200
                                                                + fileName + "\n" + e.getMessage() ) )
 
201
                                                        finish( ACTION_ABORT );
 
202
                                        }
 
203
                                        catch( VCard.SkipContactException e ) {
 
204
                                                skipContact();
 
205
                                                // do nothing
 
206
                                        }
 
207
                                        vCard = null;
257
208
                                }
258
209
                                else
259
210
                                {
260
211
                                        // try giving the line to the vcard
261
212
                                        try {
262
 
                                                vcard.parseLine( buffer, line,
263
 
                                                        cli.doesNextLineLookFolded() );
 
213
                                                vCard.parseLine( line );
264
214
                                        }
265
 
                                        catch( Vcard.ParseException e ) {
 
215
                                        catch( VCard.ParseException e ) {
266
216
                                                skipContact();
267
217
                                                if( !showContinue(
268
 
                                                        getText( R.string.error_vcf_parse ).toString()
269
 
                                                        + fileName +
270
 
                                                        getText( R.string.error_vcf_parse_line ).toString()
271
 
                                                        + cli.getLineNumber() + "\n" + e.getMessage() ) )
272
 
                                                {
 
218
                                                                getText( R.string.error_vcf_parse ).toString()
 
219
                                                                + fileName + "\n" + e.getMessage() ) )
273
220
                                                        finish( ACTION_ABORT );
274
 
                                                }
275
221
 
276
222
                                                // although we're continuing, we still need to abort
277
223
                                                // this vCard. Further lines will be ignored until we
278
224
                                                // get to another BEGIN:VCARD line.
279
 
                                                vcard = null;
 
225
                                                vCard = null;
280
226
                                        }
281
 
                                        catch( Vcard.SkipImportException e ) {
 
227
                                        catch( VCard.SkipContactException e ) {
282
228
                                                skipContact();
283
229
                                                // abort this vCard. Further lines will be ignored until
284
230
                                                // we get to another BEGIN:VCARD line.
285
 
                                                vcard = null;
 
231
                                                vCard = null;
286
232
                                        }
287
233
                                }
288
234
                        }
289
235
                }
290
236
        }
291
237
 
292
 
        class ContentLineIterator implements Iterator< ByteBuffer >
293
 
        {
294
 
                protected byte[] _content = null;
295
 
                protected int _pos = 0;
296
 
                protected int _line = 0;
297
 
 
298
 
                public ContentLineIterator( byte[] content )
299
 
                {
300
 
                        _content = content;
301
 
                }
302
 
 
303
 
                @Override
304
 
                public boolean hasNext()
305
 
                {
306
 
                        return _pos < _content.length;
307
 
                }
308
 
 
309
 
                @Override
310
 
                public ByteBuffer next()
311
 
                {
312
 
                        int initial_pos = _pos;
313
 
 
314
 
                        // find newline
315
 
                        for( ; _pos < _content.length; _pos++ )
316
 
                                if( _content[ _pos ] == '\n' )
317
 
                                {
318
 
                                        // adjust for a \r preceding the \n
319
 
                                        int to = ( _pos > 0 && _content[ _pos - 1 ] == '\r' &&
320
 
                                                _pos > initial_pos )? _pos - 1 : _pos;
321
 
                                        _pos++;
322
 
                                        _line++;
323
 
                                        return ByteBuffer.wrap( _content, initial_pos,
324
 
                                                to - initial_pos );
325
 
                                }
326
 
 
327
 
                        // we didn't find one, but were there bytes left?
328
 
                        if( _pos != initial_pos ) {
329
 
                                int to = _pos;
330
 
                                _pos++;
331
 
                                _line++;
332
 
                                return ByteBuffer.wrap( _content, initial_pos,
333
 
                                        to - initial_pos );
334
 
                        }
335
 
 
336
 
                        // no bytes left
337
 
                        throw new NoSuchElementException();
338
 
                }
339
 
 
340
 
                @Override
341
 
                public void remove()
342
 
                {
343
 
                        throw new UnsupportedOperationException();
344
 
                }
345
 
 
346
 
                /**
347
 
                 * Does the next line, if there is one, look like it should be folded
348
 
                 * onto the end of this one?
349
 
                 * @return
350
 
                 */
351
 
                public boolean doesNextLineLookFolded()
352
 
                {
353
 
                        return _pos > 0 && _pos < _content.length &&
354
 
                                _content[ _pos - 1 ] == '\n' && _content[ _pos ] == ' ';
355
 
                }
356
 
 
357
 
                public int getLineNumber()
358
 
                {
359
 
                        return _line;
360
 
                }
361
 
        }
362
 
 
363
 
        private class Vcard extends ContactData
 
238
        private class VCard extends ContactData
364
239
        {
365
240
                private final static int NAMELEVEL_NONE = 0;
366
 
                private final static int NAMELEVEL_N = 1;
 
241
                private final static int NAMELEVEL_ORG = 1;
367
242
                private final static int NAMELEVEL_FN = 2;
368
 
 
369
 
                private final static int MULTILINE_NONE = 0;
370
 
                private final static int MULTILINE_ENCODED = 1; // v2.1 quoted-printable
371
 
                private final static int MULTILINE_ESCAPED = 2; // v2.1 \\CRLF
372
 
                private final static int MULTILINE_FOLDED = 3;  // v3.0 folding
 
243
                private final static int NAMELEVEL_N = 3;
373
244
 
374
245
                private String _version = null;
375
 
                private Vector< ByteBuffer > _buffers = null;
376
 
                private int _name_level = NAMELEVEL_NONE;
377
 
                private int _parser_multiline_state = MULTILINE_NONE;
378
 
                private String _parser_current_name_and_params = null;
379
 
                private String _parser_buffered_value_so_far = "";
380
 
                private String _cached_organisation = null;
381
 
                private String _cached_title = null;
382
 
 
383
 
                protected class UnencodeResult
384
 
                {
385
 
                        private boolean _another_line_required;
386
 
                        private ByteBuffer _buffer;
387
 
 
388
 
                        public UnencodeResult( boolean another_line_required,
389
 
                                ByteBuffer buffer )
390
 
                        {
391
 
                                _another_line_required = another_line_required;
392
 
                                _buffer = buffer;
393
 
                        }
394
 
 
395
 
                        public boolean isAnotherLineRequired()
396
 
                        {
397
 
                                return _another_line_required;
398
 
                        }
399
 
 
400
 
                        public ByteBuffer getBuffer()
401
 
                        {
402
 
                                return _buffer;
403
 
                        }
404
 
                }
405
 
 
406
 
                @SuppressWarnings("serial")
 
246
                private Vector< String > _lines = null;
 
247
                private int _nameLevel = NAMELEVEL_NONE;
 
248
 
407
249
                protected class ParseException extends Exception
408
250
                {
409
 
                        @SuppressWarnings("unused")
410
251
                        public ParseException( String error )
411
252
                        {
412
253
                                super( error );
414
255
 
415
256
                        public ParseException( int res )
416
257
                        {
417
 
                                super( VcardImporter.this.getText( res ).toString() );
418
 
                        }
419
 
                }
420
 
 
421
 
                @SuppressWarnings("serial")
422
 
                protected class SkipImportException extends Exception { }
423
 
 
424
 
                private String extractCollonPartFromLine( ByteBuffer buffer,
425
 
                        String line, boolean former )
426
 
                {
427
 
                        String ret = null;
428
 
 
429
 
                        // get a US-ASCII version of the line for processing, unless we were
430
 
                        // supplied with one
431
 
                        if( line == null ) {
432
 
                                try {
433
 
                                        line = new String( buffer.array(), buffer.position(),
434
 
                                                buffer.limit() - buffer.position(), "US-ASCII" );
435
 
                                }
436
 
                                catch( UnsupportedEncodingException e ) {
437
 
                                        // we know US-ASCII is supported, so appease the compiler...
438
 
                                        line = "";
439
 
                                }
440
 
                        }
441
 
 
442
 
                        // split line into name and value parts and check to make sure we
443
 
                        // only got 2 parts and that the first part is not zero in length
444
 
                        String[] parts = line.split( ":", 2 );
445
 
                        if( parts.length == 2 && parts[ 0 ].length() > 0 )
446
 
                                ret = parts[ former? 0 : 1 ];
447
 
 
448
 
                        return ret;
449
 
                }
450
 
 
451
 
                private String extractNameAndParamsFromLine( ByteBuffer buffer,
452
 
                        String line )
453
 
                {
454
 
                        return extractCollonPartFromLine( buffer, line, true );
455
 
                }
456
 
 
457
 
                private String extractValueFromLine( ByteBuffer buffer, String line )
458
 
                {
459
 
                        return extractCollonPartFromLine( buffer, line, false );
460
 
                }
461
 
 
462
 
                public void parseLine( ByteBuffer buffer, String line,
463
 
                        boolean next_line_looks_folded )
464
 
                        throws ParseException, SkipImportException,
465
 
                        AbortImportException
466
 
                {
467
 
                        // do we have a version yet?
 
258
                                super( VCFImporter.this.getText( res ).toString() );
 
259
                        }
 
260
                }
 
261
 
 
262
                protected class SkipContactException extends Exception { }
 
263
 
 
264
                public void parseLine( String line )
 
265
                                throws ParseException, SkipContactException,
 
266
                                AbortImportException
 
267
                {
 
268
                        // get property halves
 
269
                        String[] props = line.split( ":" );
 
270
                        for( int i = 0; i < props.length; i++ )
 
271
                                props[ i ] = props[ i ].trim();
 
272
                        if( props.length < 2 ||
 
273
                                        props[ 0 ].length() < 1 || props[ 1 ].length() < 1 )
 
274
                                throw new ParseException( R.string.error_vcf_malformed );
 
275
 
468
276
                        if( _version == null )
469
277
                        {
470
 
                                // tentatively get name and params from line
471
 
                                String name_and_params =
472
 
                                        extractNameAndParamsFromLine( buffer, line );
473
 
 
474
 
                                // is it a version line?
475
 
                                if( name_and_params != null &&
476
 
                                        name_and_params.equals( "VERSION" ) )
 
278
                                if( props[ 0 ].equals( "VERSION" ) )
477
279
                                {
478
 
                                        // yes, get it!
479
 
                                        String value = extractValueFromLine( buffer, line );
480
 
                                        if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
 
280
                                        // get version
 
281
                                        if( !props[ 1 ].equals( "2.1" ) &&
 
282
                                                        !props[ 1 ].equals( "3.0" ) )
481
283
                                                throw new ParseException( R.string.error_vcf_version );
482
 
                                        _version = value;
 
284
                                        _version = props[ 1 ];
483
285
 
484
 
                                        // parse any buffers we've been accumulating while we waited
485
 
                                        // for a version
486
 
                                        if( _buffers != null )
487
 
                                                for( int i = 0; i < _buffers.size(); i++ )
488
 
                                                        parseLine( _buffers.get( i ), null,
489
 
                                                                i + 1 < _buffers.size() &&
490
 
                                                                _buffers.get( i + 1 ).hasRemaining() &&
491
 
                                                                _buffers.get( i + 1 ).get(
492
 
                                                                        _buffers.get( i + 1 ).position() ) == ' ' );
493
 
                                        _buffers = null;
 
286
                                        // parse any other lines we've accumulated so far
 
287
                                        if( _lines != null )
 
288
                                                for( int i = 0; i < _lines.size(); i++ )
 
289
                                                        parseLine( _lines.get( i ) );
 
290
                                        _lines = null;
494
291
                                }
495
292
                                else
496
293
                                {
497
 
                                        // no, so stash this line till we get a version
498
 
                                        if( _buffers == null )
499
 
                                                _buffers = new Vector< ByteBuffer >();
500
 
                                        _buffers.add( buffer );
 
294
                                        // stash this line till we have a version
 
295
                                        if( _lines == null )
 
296
                                                _lines = new Vector< String >();
 
297
                                        _lines.add( line );
501
298
                                }
502
299
                        }
503
300
                        else
504
301
                        {
505
 
                                // name and params and the position in the buffer where the
506
 
                                // "value" part of the line start
507
 
                                String name_and_params;
508
 
                                int pos;
509
 
 
510
 
                                if( _parser_multiline_state != MULTILINE_NONE )
511
 
                                {
512
 
                                        // if we're currently in a multi-line value, use the stored
513
 
                                        // property name and parameters
514
 
                                        name_and_params = _parser_current_name_and_params;
515
 
 
516
 
                                        // skip some initial line characters, depending on the type
517
 
                                        // of multi-line we're handling
518
 
                                        pos = buffer.position();
519
 
                                        switch( _parser_multiline_state )
520
 
                                        {
521
 
                                        case MULTILINE_FOLDED:
522
 
                                                pos++;
523
 
                                                break;
524
 
                                        case MULTILINE_ENCODED:
525
 
                                                while( pos < buffer.limit() && (
526
 
                                                        buffer.get( pos ) == ' ' ||
527
 
                                                        buffer.get( pos ) == '\t' ) )
528
 
                                                {
529
 
                                                        pos++;
530
 
                                                }
531
 
                                                break;
532
 
                                        default:
533
 
                                                // do nothing
534
 
                                        }
535
 
 
536
 
                                        // take us out of multi-line so that we can re-detect that
537
 
                                        // this line is a multi-line or not
538
 
                                        _parser_multiline_state = MULTILINE_NONE;
539
 
                                }
540
 
                                else
541
 
                                {
542
 
                                        // get name and params from line, and since we're not
543
 
                                        // parsing a subsequent line in a multi-line, this should
544
 
                                        // not fail, or it's an error
545
 
                                        name_and_params =
546
 
                                                extractNameAndParamsFromLine( buffer, line );
547
 
                                        if( name_and_params == null )
548
 
                                                throw new ParseException(
549
 
                                                        R.string.error_vcf_malformed );
550
 
 
551
 
                                        // calculate how many chars to skip from beginning of line
552
 
                                        // so we skip the property "name:" part
553
 
                                        pos = buffer.position() + name_and_params.length() + 1;
554
 
 
555
 
                                        // reset the saved multi-line state
556
 
                                        _parser_current_name_and_params = name_and_params;
557
 
                                        _parser_buffered_value_so_far = "";
558
 
                                }
559
 
 
560
 
                                // get value from buffer, as raw bytes
561
 
                                ByteBuffer value;
562
 
                                value = ByteBuffer.wrap( buffer.array(), pos,
563
 
                                        buffer.limit() - pos );
564
 
 
565
302
                                // get parameter parts
566
 
                                String[] name_param_parts = name_and_params.split( ";", -1 );
567
 
                                for( int i = 0; i < name_param_parts.length; i++ )
568
 
                                        name_param_parts[ i ] = name_param_parts[ i ].trim();
569
 
 
570
 
                                // determine whether we care about this entry
571
 
                                final HashSet< String > interesting_fields =
572
 
                                        new HashSet< String >( Arrays.asList( new String[] { "N",
573
 
                                                "FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR", "LABEL" }
574
 
                                ) );
575
 
                                boolean is_interesting_field =
576
 
                                        interesting_fields.contains( name_param_parts[ 0 ] );
577
 
 
578
 
                                // parse encoding parameter
579
 
                                String encoding = checkParam( name_param_parts, "ENCODING" );
580
 
                                if( encoding != null )
581
 
                                        encoding = encoding.toUpperCase( Locale.US );
582
 
                                if( is_interesting_field && encoding != null &&
583
 
                                        !encoding.equals( "8BIT" ) &&
584
 
                                        !encoding.equals( "QUOTED-PRINTABLE" ) )
585
 
                                        //&& !encoding.equals( "BASE64" ) )
586
 
                                {
587
 
                                        throw new ParseException( R.string.error_vcf_encoding );
588
 
                                }
589
 
 
590
 
                                // parse charset parameter
591
 
                                String charset = checkParam( name_param_parts, "CHARSET" );
592
 
                                if( charset != null )
593
 
                                        charset = charset.toUpperCase( Locale.US );
594
 
                                if( charset != null &&
595
 
                                        !charset.equals( "US-ASCII" ) &&
596
 
                                        !charset.equals( "ASCII" ) &&
597
 
                                        !charset.equals( "UTF-8" ) )
598
 
                                {
599
 
                                        throw new ParseException( R.string.error_vcf_charset );
600
 
                                }
601
 
 
602
 
                                // do unencoding (or default to a fake unencoding result with
603
 
                                // the raw string)
604
 
                                UnencodeResult unencoding_result = null;
605
 
                                if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
606
 
                                        unencoding_result = unencodeQuotedPrintable( value );
607
 
//                              else if( encoding != null && encoding.equals( "BASE64" ) )
608
 
//                                      unencoding_result = unencodeBase64( props[ 1 ], charset );
609
 
                                if( unencoding_result != null ) {
610
 
                                        value = unencoding_result.getBuffer();
611
 
                                        if( unencoding_result.isAnotherLineRequired() )
612
 
                                                _parser_multiline_state = MULTILINE_ENCODED;
613
 
                                }
614
 
 
615
 
                                // convert 8-bit US-ASCII charset to UTF-8 (where no charset is
616
 
                                // specified for a v2.1 vcard entry, we assume it's US-ASCII)
617
 
                                if( ( charset == null && _version.equals( "2.1" ) ) ||
618
 
                                        ( charset != null && (
619
 
                                                charset.equals( "ASCII" ) ||
620
 
                                                charset.equals( "US-ASCII" ) ) ) )
621
 
                                {
622
 
                                        value = transcodeAsciiToUtf8( value );
623
 
                                }
624
 
 
625
 
                                // process charset (value is now in UTF-8)
626
 
                                String string_value;
627
 
                                try {
628
 
                                        string_value = new String( value.array(), value.position(),
629
 
                                                value.limit() - value.position(), "UTF-8" );
630
 
                                } catch( UnsupportedEncodingException e ) {
631
 
                                        throw new ParseException( R.string.error_vcf_charset );
632
 
                                }
633
 
 
634
 
                                // for some entries that have semicolon-separated value parts,
635
 
                                // check to see if the value ends in an escape character, which
636
 
                                // indicates that we have a multi-line value
637
 
                                if( ( name_param_parts[ 0 ].equals( "N" ) ||
638
 
                                        name_param_parts[ 0 ].equals( "ORG" ) ||
639
 
                                        name_param_parts[ 0 ].equals( "ADR" ) ) &&
640
 
                                        doesStringEndInAnEscapeChar( string_value ) )
641
 
                                {
642
 
                                        _parser_multiline_state = MULTILINE_ESCAPED;
643
 
                                        string_value = string_value.substring( 0,
644
 
                                                string_value.length() - 1 );
645
 
                                }
646
 
 
647
 
                                // now we know whether we're in an encoding multi-line,
648
 
                                // determine if we're in a v3 folded multi-line or not
649
 
                                if( _parser_multiline_state == MULTILINE_NONE &&
650
 
                                        _version.equals( "3.0" ) && next_line_looks_folded )
651
 
                                {
652
 
                                        _parser_multiline_state = MULTILINE_FOLDED;
653
 
                                }
654
 
 
655
 
                                // handle multi-lines by buffering them and parsing them when we
656
 
                                // are processing the last line in a multi-line sequence
657
 
                                if( _parser_multiline_state != MULTILINE_NONE ) {
658
 
                                        _parser_buffered_value_so_far += string_value;
659
 
                                        return;
660
 
                                }
661
 
                                String complete_value =
662
 
                                        ( _parser_buffered_value_so_far + string_value ).trim();
663
 
 
664
 
                                // ignore empty values
665
 
                                if( complete_value.length() < 1 ) return;
 
303
                                String[] params = props[ 0 ].split( ";" );
 
304
                                for( int i = 0; i < params.length; i++ )
 
305
                                        params[ i ] = params[ i ].trim();
666
306
 
667
307
                                // parse some properties
668
 
                                if( name_param_parts[ 0 ].equals( "N" ) )
669
 
                                        parseN( name_param_parts, complete_value );
670
 
                                else if( name_param_parts[ 0 ].equals( "FN" ) )
671
 
                                        parseFN( name_param_parts, complete_value );
672
 
                                else if( name_param_parts[ 0 ].equals( "ORG" ) )
673
 
                                        parseORG( name_param_parts, complete_value );
674
 
                                else if( name_param_parts[ 0 ].equals( "TITLE" ) )
675
 
                                        parseTITLE( name_param_parts, complete_value );
676
 
                                else if( name_param_parts[ 0 ].equals( "TEL" ) )
677
 
                                        parseTEL( name_param_parts, complete_value );
678
 
                                else if( name_param_parts[ 0 ].equals( "EMAIL" ) )
679
 
                                        parseEMAIL( name_param_parts, complete_value );
680
 
                                else if( name_param_parts[ 0 ].equals( "ADR" ) )
681
 
                                        parseADR( name_param_parts, complete_value );
682
 
                                else if( name_param_parts[ 0 ].equals( "LABEL" ) )
683
 
                                        parseLABEL( name_param_parts, complete_value );
684
 
                        }
685
 
                }
686
 
 
687
 
                private boolean doesStringEndInAnEscapeChar( String string )
688
 
                {
689
 
                        // count the number of backslashes at the end of the string
690
 
                        int count = 0;
691
 
                        for( int a = string.length() - 1; a >= 0; a-- )
692
 
                                if( string.charAt( a ) == '\\' )
693
 
                                        count++;
694
 
                                else
695
 
                                        break;
696
 
 
697
 
                        // if there are an even number of backslashes then the final one
698
 
                        // doesn't count
699
 
                        return ( count & 1 ) == 1;
700
 
                }
701
 
 
702
 
                private String[] splitValueByCharacter( String value, char character )
703
 
                {
704
 
                        // split string in to parts by specified character
705
 
                        ArrayList< String > parts = new ArrayList< String >(
706
 
                                Arrays.asList( value.split( "" + character ) ) );
707
 
 
708
 
                        // go through parts
709
 
                        for( int a = 0; a < parts.size(); a++ )
710
 
                        {
711
 
                                String str = parts.get( a );
712
 
 
713
 
                                // look for parts that end in an escape character, but ignore
714
 
                                // the final part. We've already detected escape chars at the
715
 
                                // end of the final part in parseLine() and handled multi-lines
716
 
                                // accordingly.
717
 
                                if( a < parts.size() - 1 &&
718
 
                                        doesStringEndInAnEscapeChar( str ) )
719
 
                                {
720
 
                                        // append the escaped character, join the next part to this
721
 
                                        // part and remove the next part
722
 
                                        parts.set( a, str.substring( 0, str.length() - 1 ) +
723
 
                                                character + parts.get( a + 1 ) );
724
 
                                        parts.remove( a + 1 );
725
 
 
726
 
                                        // re-visit this part
727
 
                                        a--;
728
 
                                        continue;
729
 
                                }
730
 
 
731
 
                                // trim and replace string
732
 
                                str = str.trim();
733
 
                                parts.set( a, str );
734
 
                        }
735
 
 
736
 
                        String[] ret = new String[ parts.size() ];
737
 
                        return parts.toArray( ret );
738
 
                }
739
 
 
740
 
                private String unescapeValue( String value )
741
 
                {
742
 
                        StringBuilder ret = new StringBuilder( value.length() );
743
 
                        boolean in_escape = false;
744
 
                        for( int a = 0; a < value.length(); a++ )
745
 
                        {
746
 
                                int c = value.codePointAt( a );
747
 
 
748
 
                                // process a normal character
749
 
                                if( !in_escape ) {
750
 
                                        if( c == '\\' )
751
 
                                                in_escape = true;
752
 
                                        else
753
 
                                                ret.append( Character.toChars( c ) );
754
 
                                        continue;
755
 
                                }
756
 
 
757
 
                                // process an escape sequence
758
 
                                in_escape = false;
759
 
                                switch( c )
760
 
                                {
761
 
                                case 'N':
762
 
                                case 'n':
763
 
                                        // add newline
764
 
                                        ret.append( '\n' );
765
 
                                        break;
766
 
                                case '\\':
767
 
                                case ',':
768
 
                                case ';':
769
 
                                        // add escaped character
770
 
                                        ret.append( Character.toChars( c ) );
771
 
                                        break;
772
 
                                default:
773
 
                                        // unknown escape sequence, so add it unescaped
774
 
                                        ret.append( "\\" );
775
 
                                        ret.append( Character.toChars( c ) );
776
 
                                        break;
777
 
                                }
778
 
                        }
779
 
 
780
 
                        return ret.toString();
 
308
                                if( params[ 0 ].equals( "N" ) )
 
309
                                        parseN( params, props[ 1 ] );
 
310
                                else if( params[ 0 ].equals( "FN" ) )
 
311
                                        parseFN( params, props[ 1 ] );
 
312
                                else if( params[ 0 ].equals( "ORG" ) )
 
313
                                        parseORG( params, props[ 1 ] );
 
314
                                else if( params[ 0 ].equals( "TEL" ) )
 
315
                                        parseTEL( params, props[ 1 ] );
 
316
                                else if( params[ 0 ].equals( "EMAIL" ) )
 
317
                                        parseEMAIL( params, props[ 1 ] );
 
318
                        }
781
319
                }
782
320
 
783
321
                private void parseN( String[] params, String value )
 
322
                                throws ParseException, SkipContactException,
 
323
                                AbortImportException
784
324
                {
785
325
                        // already got a better name?
786
 
                        if( _name_level >= NAMELEVEL_N ) return;
 
326
                        if( _nameLevel >= NAMELEVEL_N ) return;
787
327
 
788
328
                        // get name parts
789
 
                        String[] name_parts = splitValueByCharacter( value, ';' );
 
329
                        String[] nameparts = value.split( ";" );
 
330
                        for( int i = 0; i < nameparts.length; i++ )
 
331
                                nameparts[ i ] = nameparts[ i ].trim();
790
332
 
791
333
                        // build name
792
334
                        value = "";
793
 
                        final int[] part_order = { 3, 1, 2, 0, 4 };
794
 
                        for( int a = 0; a < part_order.length; a++ )
795
 
                                if( name_parts.length > part_order[ a ] &&
796
 
                                        name_parts[ part_order[ a ] ].length() > 0 )
797
 
                                {
798
 
                                        // split this part in to it's comma-separated bits
799
 
                                        String[] name_part_parts = splitValueByCharacter(
800
 
                                                name_parts[ part_order[ a ] ], ',' );
801
 
                                        for( int b = 0; b < name_part_parts.length; b++ )
802
 
                                                if( name_part_parts[ b ].length() > 0 )
803
 
                                                {
804
 
                                                        if( value.length() == 0 ) value += " ";
805
 
                                                        value += name_part_parts[ b ];
806
 
                                                }
807
 
                                }
 
335
                        if( nameparts.length > 1 && nameparts[ 1 ].length() > 0 )
 
336
                                value += nameparts[ 1 ];
 
337
                        if( nameparts[ 0 ].length() > 0 )
 
338
                                value += ( value.length() == 0? "" : " " ) + nameparts[ 0 ];
808
339
 
809
340
                        // set name
810
 
                        setName( unescapeValue( value ) );
811
 
                        _name_level = NAMELEVEL_N;
 
341
                        setName( undoCharsetAndEncoding( params, value ) );
 
342
                        _nameLevel = NAMELEVEL_N;
 
343
 
 
344
                        // check now to see if we need to import this contact (to avoid
 
345
                        // parsing the rest of the vCard unnecessarily)
 
346
                        if( !isImportRequired( getName() ) )
 
347
                                throw new SkipContactException();
812
348
                }
813
349
 
814
350
                private void parseFN( String[] params, String value )
 
351
                                throws ParseException, SkipContactException
815
352
                {
816
353
                        // already got a better name?
817
 
                        if( _name_level >= NAMELEVEL_FN ) return;
 
354
                        if( _nameLevel >= NAMELEVEL_FN ) return;
818
355
 
819
356
                        // set name
820
 
                        setName( unescapeValue( value ) );
821
 
                        _name_level = NAMELEVEL_FN;
 
357
                        setName( undoCharsetAndEncoding( params, value ) );
 
358
                        _nameLevel = NAMELEVEL_FN;
822
359
                }
823
360
 
824
361
                private void parseORG( String[] params, String value )
 
362
                                throws ParseException, SkipContactException
825
363
                {
 
364
                        // already got a better name?
 
365
                        if( _nameLevel >= NAMELEVEL_ORG ) return;
 
366
 
826
367
                        // get org parts
827
 
                        String[] org_parts = splitValueByCharacter( value, ';' );
828
 
                        if( org_parts == null || org_parts.length < 1 ) return;
829
 
 
830
 
                        // build organisation name
831
 
                        StringBuilder builder = new StringBuilder(
832
 
                                String.valueOf( org_parts[ 0 ] ) );
833
 
                        for( int a = 1; a < org_parts.length; a++ )
834
 
                                builder.append( ", " ).append( org_parts[ a ] );
835
 
                        String organisation = unescapeValue( builder.toString() );
836
 
 
837
 
                        // set organisation name (using a title we've previously found)
838
 
                        addOrganisation( organisation, _cached_title, true );
839
 
 
840
 
                        // if we've not previously found a title, store this organisation
841
 
                        // name (we'll need it when we find a title to update the
842
 
                        // organisation, by name), else if we *have* previously found a
843
 
                        // title, clear it (since we just used it)
844
 
                        if( _cached_title == null )
845
 
                                _cached_organisation = organisation;
846
 
                        else
847
 
                                _cached_title = null;
848
 
                }
849
 
 
850
 
                private void parseTITLE( String[] params, String value )
851
 
                {
852
 
                        value = unescapeValue( value );
853
 
 
854
 
                        // if we previously had an organisation, look it up and append this
855
 
                        // title to it
856
 
                        if( _cached_organisation != null && hasOrganisations() ) {
857
 
                                HashMap< String, ExtraDetail > datas = getOrganisations();
858
 
                                ExtraDetail detail = datas.get( _cached_organisation );
859
 
                                if( detail != null )
860
 
                                        detail.setExtra( value );
861
 
                        }
862
 
 
863
 
                        // same as when handling organisation, if we've not previously found
864
 
                        // an organisation we store this title, else we clear it (since we
865
 
                        // just appended this title to it)
866
 
                        if( _cached_organisation == null )
867
 
                                _cached_title = value;
868
 
                        else
869
 
                                _cached_organisation = null;
 
368
                        String[] orgparts = value.split( ";" );
 
369
                        for( int i = 0; i < orgparts.length; i++ )
 
370
                                orgparts[ i ] = orgparts[ i ].trim();
 
371
 
 
372
                        // build name
 
373
                        if( orgparts[ 0 ].length() == 0 && orgparts.length > 1 )
 
374
                                value = orgparts[ 1 ];
 
375
                        else
 
376
                                value = orgparts[ 0 ];
 
377
 
 
378
                        // set name
 
379
                        setName( undoCharsetAndEncoding( params, value ) );
 
380
                        _nameLevel = NAMELEVEL_ORG;
870
381
                }
871
382
 
872
383
                private void parseTEL( String[] params, String value )
 
384
                                throws ParseException
873
385
                {
874
386
                        if( value.length() == 0 ) return;
875
387
 
876
388
                        Set< String > types = extractTypes( params, Arrays.asList(
877
 
                                "PREF", "HOME", "WORK", "VOICE", "FAX", "MSG", "CELL",
878
 
                                "PAGER", "BBS", "MODEM", "CAR", "ISDN", "VIDEO" ) );
 
389
                                        "PREF", "HOME", "WORK", "VOICE", "FAX", "MSG", "CELL",
 
390
                                        "PAGER", "BBS", "MODEM", "CAR", "ISDN", "VIDEO" ) );
879
391
 
880
392
                        // here's the logic...
881
 
                        boolean is_preferred = types.contains( "PREF" );
882
 
                        int type;
 
393
                        boolean preferred = types.contains( "PREF" );
 
394
                        if( types.contains( "VOICE" ) )
 
395
                                if( types.contains( "WORK" ) )
 
396
                                        addPhone( value, PhonesColumns.TYPE_WORK, preferred );
 
397
                                else
 
398
                                        addPhone( value, PhonesColumns.TYPE_HOME, preferred );
 
399
                        else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
 
400
                                addPhone( value, PhonesColumns.TYPE_MOBILE, preferred );
883
401
                        if( types.contains( "FAX" ) )
884
402
                                if( types.contains( "HOME" ) )
885
 
                                        type = TYPE_FAX_HOME;
 
403
                                        addPhone( value, PhonesColumns.TYPE_FAX_HOME, preferred );
886
404
                                else
887
 
                                        type = TYPE_FAX_WORK;
888
 
                        else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
889
 
                                type = TYPE_MOBILE;
890
 
                        else if( types.contains( "PAGER" ) )
891
 
                                type = TYPE_PAGER;
892
 
                        else if( types.contains( "WORK" ) )
893
 
                                type = TYPE_WORK;
894
 
                        else
895
 
                                type = TYPE_HOME;
896
 
 
897
 
                        // add phone number
898
 
                        addNumber( value, type, is_preferred );
 
405
                                        addPhone( value, PhonesColumns.TYPE_FAX_WORK, preferred );
 
406
                        if( types.contains( "PAGER" ) )
 
407
                                addPhone( value, PhonesColumns.TYPE_PAGER, preferred );
899
408
                }
900
409
 
901
410
                public void parseEMAIL( String[] params, String value )
903
412
                        if( value.length() == 0 ) return;
904
413
 
905
414
                        Set< String > types = extractTypes( params, Arrays.asList(
906
 
                                "PREF", "WORK", "HOME", "INTERNET" ) );
907
 
 
908
 
                        // add email address
909
 
                        boolean is_preferred = types.contains( "PREF" );
910
 
                        int type;
911
 
                        if( types.contains( "WORK" ) )
912
 
                                type = TYPE_WORK;
913
 
                        else
914
 
                                type = TYPE_HOME;
915
 
 
916
 
                        addEmail( unescapeValue( value ), type, is_preferred );
917
 
                }
918
 
 
919
 
                private void parseADR( String[] params, String value )
920
 
                {
921
 
                        // get address parts
922
 
                        String[] adr_parts = splitValueByCharacter( value, ';' );
923
 
 
924
 
                        // build address
925
 
                        value = "";
926
 
                        for( int a = 0; a < adr_parts.length; a++ )
927
 
                                if( adr_parts[ a ].length() > 0 )
928
 
                                {
929
 
                                        // split this part in to it's comma-separated bits
930
 
                                        String[] adr_part_parts =
931
 
                                                splitValueByCharacter( adr_parts[ a ], ',' );
932
 
                                        for( int b = 0; b < adr_part_parts.length; b++ )
933
 
                                                if( adr_part_parts[ b ].length() > 0 )
934
 
                                                {
935
 
                                                        if( value.length() > 0 ) value += "\n";
936
 
                                                        value += adr_part_parts[ b ];
937
 
                                                }
938
 
                                }
939
 
 
940
 
                        Set< String > types = extractTypes( params, Arrays.asList(
941
 
                                "PREF", "WORK", "HOME" ) );
942
 
 
943
 
                        // add address
944
 
                        int type;
945
 
                        if( types.contains( "WORK" ) )
946
 
                                type = TYPE_WORK;
947
 
                        else
948
 
                                type = TYPE_HOME;
949
 
 
950
 
                        addAddress( unescapeValue( value ), type );
951
 
                }
952
 
 
953
 
                private void parseLABEL( String[] params, String value )
954
 
                {
955
 
                        Set< String > types = extractTypes( params, Arrays.asList(
956
 
                                "PREF", "WORK", "HOME" ) );
957
 
 
958
 
                        // add address
959
 
                        int type;
960
 
                        if( types.contains( "WORK" ) )
961
 
                                type = TYPE_WORK;
962
 
                        else
963
 
                                type = TYPE_HOME;
964
 
 
965
 
                        addAddress( unescapeValue( value ), type );
966
 
                }
967
 
 
968
 
                public void finaliseVcard()
969
 
                        throws ParseException, ContactNotIdentifiableException
 
415
                                        "PREF", "WORK", "HOME", "INTERNET" ) );
 
416
 
 
417
                        // here's the logic...
 
418
                        boolean preferred = types.contains( "PREF" );
 
419
                        if( types.contains( "WORK" ) )
 
420
                                addEmail( value, Contacts.ContactMethods.TYPE_WORK, preferred );
 
421
                        else
 
422
                                addEmail( value, Contacts.ContactMethods.TYPE_HOME, preferred );
 
423
                }
 
424
 
 
425
                public void finaliseParsing()
 
426
                                throws ParseException, SkipContactException,
 
427
                                AbortImportException
970
428
                {
971
429
                        // missing version (and data is present)
972
 
                        if( _version == null && _buffers != null )
 
430
                        if( _version == null && _lines != null )
973
431
                                throw new ParseException( R.string.error_vcf_malformed );
974
432
 
975
 
                        // finalise the parent class
976
 
                        finalise();
977
 
                }
978
 
 
979
 
                /**
980
 
                 * Amongst the params, find the value of the first, only, of any with
981
 
                 * the specified name
982
 
                 * @param params
983
 
                 * @param name
984
 
                 * @return a value, or null
985
 
                 */
 
433
                        //  missing name properties?
 
434
                        if( _nameLevel == NAMELEVEL_NONE )
 
435
                                throw new ParseException( R.string.error_vcf_noname );
 
436
 
 
437
                        // check if we should import this one? If we've already got an 'N'-
 
438
                        // type name, this will already have been done by parseN() so we
 
439
                        // mustn't do this here (or it could prompt twice!)
 
440
                        if( _nameLevel < NAMELEVEL_N && !isImportRequired( getName() ) )
 
441
                                throw new SkipContactException();
 
442
                }
 
443
 
 
444
                private String undoCharsetAndEncoding( String[] params, String value )
 
445
                                throws ParseException
 
446
                {
 
447
                        // check encoding/charset
 
448
                        String charset, encoding;
 
449
                        if( ( charset = checkParam( params, "CHARSET" ) ) != null &&
 
450
                                        !charset.equals( "UTF-8" ) && !charset.equals( "UTF-16" ) )
 
451
                                throw new ParseException( R.string.error_vcf_charset );
 
452
                        if( ( encoding = checkParam( params, "ENCODING" ) ) != null &&
 
453
                                        !encoding.equals( "QUOTED-PRINTABLE" ) )
 
454
                                throw new ParseException( R.string.error_vcf_encoding );
 
455
 
 
456
                        // do decoding?
 
457
                        if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
 
458
                                return unencodeQuotedPrintable( value, charset );
 
459
 
 
460
                        // nothing to do!
 
461
                        return value;
 
462
                }
 
463
 
986
464
                private String checkParam( String[] params, String name )
987
465
                {
988
 
                        String[] res = checkParams( params, name );
989
 
                        return res.length > 0? res[ 0 ] : null;
990
 
                }
991
 
 
992
 
                /**
993
 
                 * Amongst the params, find the values of any with the specified name
994
 
                 * @param params
995
 
                 * @param name
996
 
                 * @return an array of values, or null
997
 
                 */
998
 
                private String[] checkParams( String[] params, String name )
999
 
                {
1000
 
                        HashSet< String > ret = new HashSet< String >();
1001
 
 
1002
 
                        Pattern p = Pattern.compile(
1003
 
                                "^" + name + "[ \\t]*=[ \\t]*(\"?)(.*)\\1$" );
 
466
                        Pattern p = Pattern.compile( "^" + name + "[ \\t]*=[ \\t]*(.*)$" );
1004
467
                        for( int i = 0; i < params.length; i++ ) {
1005
468
                                Matcher m = p.matcher( params[ i ] );
1006
469
                                if( m.matches() )
1007
 
                                        ret.add( m.group( 2 ) );
 
470
                                        return m.group( 1 );
1008
471
                        }
1009
 
 
1010
 
                        return (String[]) ret.toArray( new String[ ret.size() ] );
 
472
                        return null;
1011
473
                }
1012
474
 
1013
 
                /**
1014
 
                 * Amongst the params, return any type values present. For v2.1 vCards,
1015
 
                 * those types are just parameters. For v3.0, they are prefixed with
1016
 
                 * "TYPE=". There may also be multiple type parameters.
1017
 
                 * @param params
1018
 
                 * @param a list of type values to look for
1019
 
                 * @return a set of present type values
1020
 
                 */
1021
475
                private Set< String > extractTypes( String[] params,
1022
 
                        List< String > valid_types )
 
476
                                List< String > validTypes )
1023
477
                {
1024
478
                        HashSet< String > types = new HashSet< String >();
1025
479
 
1026
480
                        // get 3.0-style TYPE= param
1027
 
                        String type_params[] = checkParams( params, "TYPE" );
1028
 
                        for( int a = 0; a < type_params.length; a++ )
1029
 
                        {
1030
 
                                // check for a comma-separated list of types (why? this isn't in
1031
 
                                // the specs!)
1032
 
                                String[] parts = type_params[ a ].split( "," );
1033
 
                                for( int i = 0; i < parts.length; i++ )
1034
 
                                        if( valid_types.contains( parts[ i ] ) )
1035
 
                                                types.add( parts[ i ] );
 
481
                        String typeParam;
 
482
                        if( ( typeParam = checkParam( params, "TYPE" ) ) != null ) {
 
483
                                String[] bits = typeParam.split( "," );
 
484
                                for( int i = 0; i < bits.length; i++ )
 
485
                                        if( validTypes.contains( bits[ i ] ) )
 
486
                                                types.add( bits[ i ] );
1036
487
                        }
1037
488
 
1038
489
                        // get 2.1-style type param
1039
490
                        if( _version.equals( "2.1" ) ) {
1040
491
                                for( int i = 1; i < params.length; i++ )
1041
 
                                        if( valid_types.contains( params[ i ] ) )
 
492
                                        if( validTypes.contains( params[ i ] ) )
1042
493
                                                types.add( params[ i ] );
1043
494
                        }
1044
495
 
1045
496
                        return types;
1046
497
                }
1047
498
 
1048
 
                private UnencodeResult unencodeQuotedPrintable( ByteBuffer in )
 
499
                private String unencodeQuotedPrintable( String str, String charset )
1049
500
                {
1050
 
                        boolean another = false;
 
501
                        // default encoding scheme
 
502
                        if( charset == null ) charset = "UTF-8";
1051
503
 
1052
 
                        // unencode quoted-printable encoding, as per RFC1521 section 5.1
1053
 
                        byte[] out = new byte[ in.limit() - in.position() ];
 
504
                        // unencode quoted-pritable encoding, as per RFC1521 section 5.1
 
505
                        byte[] bytes = new byte[ str.length() ];
1054
506
                        int j = 0;
1055
 
                        for( int i = in.position(); i < in.limit(); i++ )
1056
 
                        {
1057
 
                                // get next char and process...
1058
 
                                byte ch = in.array()[ i ];
1059
 
                                if( ch == '=' && i < in.limit() - 2 )
1060
 
                                {
1061
 
                                        // we found a =XX format byte, add it
1062
 
                                        out[ j ] = (byte)(
1063
 
                                                        Character.digit( in.array()[ i + 1 ], 16 ) * 16 +
1064
 
                                                        Character.digit( in.array()[ i + 2 ], 16 ) );
 
507
                        for( int i = 0; i < str.length(); i++, j++ ) {
 
508
                                char ch = str.charAt( i );
 
509
                                if( ch == '=' && i < str.length() - 2 ) {
 
510
                                        bytes[ j ] = (byte)(
 
511
                                                        Character.digit( str.charAt( i + 1 ), 16 ) * 16 +
 
512
                                                        Character.digit( str.charAt( i + 2 ), 16 ) );
1065
513
                                        i += 2;
1066
514
                                }
1067
 
                                else if( ch == '=' && i == in.limit() - 1 )
1068
 
                                {
1069
 
                                        // we found a '=' at the end of a line signifying a multi-
1070
 
                                        // line string, so we don't add it.
1071
 
                                        another = true;
1072
 
                                        continue;
1073
 
                                }
1074
515
                                else
1075
 
                                        // just a normal char...
1076
 
                                        out[ j ] = (byte)ch;
1077
 
                                j++;
1078
 
                        }
1079
 
 
1080
 
                        return new UnencodeResult( another, ByteBuffer.wrap( out, 0, j ) );
1081
 
                }
1082
 
 
1083
 
                private ByteBuffer transcodeAsciiToUtf8( ByteBuffer in )
1084
 
                {
1085
 
                        // transcode
1086
 
                        byte[] out = new byte[ ( in.limit() - in.position() ) * 2 ];
1087
 
                        int j = 0;
1088
 
                        for( int a = in.position(); a < in.limit(); a++ )
1089
 
                        {
1090
 
                                // if char is < 127, keep it as-is
1091
 
                                if( in.array()[ a ] >= 0 )
1092
 
                                        out[ j++ ] = in.array()[ a ];
1093
 
 
1094
 
                                // else, convert it to UTF-8
1095
 
                                else {
1096
 
                                        int b = 0xff & (int)in.array()[ a ];
1097
 
                                        out[ j++ ] = (byte)( 0xc0 | ( b >> 6 ) );
1098
 
                                        out[ j++ ] = (byte)( 0x80 | ( b & 0x3f ) );
1099
 
                                }
1100
 
                        }
1101
 
 
1102
 
                        return ByteBuffer.wrap( out, 0, j );
 
516
                                        bytes[ j ] = (byte)ch;
 
517
                        }
 
518
                        try {
 
519
                                return new String( bytes, 0, j, charset );
 
520
                        } catch( UnsupportedEncodingException e ) { }
 
521
                        return null;
1103
522
                }
1104
523
        }
1105
524
}