/android/import-contacts

To get this branch, use:
bzr branch http://bzr.ed.am/android/import-contacts

« back to all changes in this revision

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

  • Committer: edam
  • Date: 2009-01-10 16:14:11 UTC
  • Revision ID: edam@waxworlds.org-20090110161411-4d17l9hs9d6j277q
Initial import

Show diffs side-by-side

added added

removed removed

1
 
/*
2
 
 * VCFImporter.java
3
 
 *
4
 
 * Copyright (C) 2009 to 2011 Tim Marston <tim@ed.am>
5
 
 *
6
 
 * This file is part of the Import Contacts program (hereafter referred
7
 
 * to as "this program"). For more information, see
8
 
 * http://ed.am/dev/android/import-contacts
9
 
 *
10
 
 * This program is free software: you can redistribute it and/or modify
11
 
 * it under the terms of the GNU General Public License as published by
12
 
 * the Free Software Foundation, either version 3 of the License, or
13
 
 * (at your option) any later version.
14
 
 *
15
 
 * This program is distributed in the hope that it will be useful,
16
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
 
 * GNU General Public License for more details.
19
 
 *
20
 
 * You should have received a copy of the GNU General Public License
21
 
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
22
 
 */
23
 
 
24
 
package am.ed.importcontacts;
 
1
package org.waxworlds.importcontacts;
25
2
 
26
3
import java.io.BufferedReader;
27
4
import java.io.File;
28
 
import java.io.FileInputStream;
29
5
import java.io.FileNotFoundException;
30
6
import java.io.FileReader;
31
7
import java.io.FilenameFilter;
32
8
import java.io.IOException;
33
9
import java.io.UnsupportedEncodingException;
34
 
import java.nio.ByteBuffer;
35
 
import java.util.ArrayList;
36
10
import java.util.Arrays;
37
 
import java.util.HashMap;
38
11
import java.util.HashSet;
39
 
import java.util.Iterator;
40
12
import java.util.List;
41
 
import java.util.Locale;
42
 
import java.util.NoSuchElementException;
43
13
import java.util.Set;
44
14
import java.util.Vector;
45
15
import java.util.regex.Matcher;
46
16
import java.util.regex.Pattern;
47
17
 
48
 
import android.annotation.SuppressLint;
 
18
import org.waxworlds.importcontacts.Importer.AbortImportException;
 
19
 
49
20
import android.content.SharedPreferences;
 
21
import android.provider.Contacts;
 
22
import android.provider.Contacts.PhonesColumns;
50
23
 
51
 
public class VcardImporter extends Importer
 
24
public class VCFImporter extends Importer
52
25
{
53
 
        private int _vcard_count = 0;
 
26
        private int _vCardCount = 0;
54
27
        private int _progress = 0;
55
28
 
56
 
        public VcardImporter( Doit doit )
 
29
        public VCFImporter( Doit doit )
57
30
        {
58
31
                super( doit );
59
32
        }
60
33
 
61
 
        @SuppressLint( "SdCardPath" )
62
34
        @Override
63
35
        protected void onImport() throws AbortImportException
64
36
        {
72
44
                try
73
45
                {
74
46
                        // open directory
75
 
                        String path = "/sdcard" + prefs.getString( "location", "/" );
76
 
                        File file = new File( path );
77
 
                        if( !file.exists() )
 
47
                        String location = prefs.getString( "location", "" );
 
48
                        File dir = new File( location );
 
49
                        if( !dir.exists() || !dir.isDirectory() )
78
50
                                showError( R.string.error_locationnotfound );
79
51
 
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
 
                        }
 
52
                        // get files
 
53
                        class VCardFilter implements FilenameFilter {
 
54
                            public boolean accept( File dir, String name ) {
 
55
                                return name.toLowerCase().endsWith( ".vcf" );
 
56
                            }
 
57
                        }
 
58
                        files = dir.listFiles( new VCardFilter() );
97
59
                }
98
60
                catch( SecurityException e ) {
99
61
                        showError( R.string.error_locationpermissions );
111
73
                        countVCardFile( files[ i ] );
112
74
                        setTmpProgress( i );
113
75
                }
114
 
                setProgressMax( _vcard_count ); // will also update tmp progress
 
76
                setProgressMax( _vCardCount );  // will also update tmp progress
115
77
 
116
78
                // import them
117
79
                setProgress( 0 );
118
80
                for( int i = 0; i < files.length; i++ )
119
81
                        importVCardFile( files[ i ] );
120
 
                setProgress( _vcard_count );
121
82
        }
122
83
 
123
84
        private void countVCardFile( File file ) throws AbortImportException
126
87
                {
127
88
                        // open file
128
89
                        BufferedReader reader = new BufferedReader(
129
 
                                new FileReader( file ) );
 
90
                                        new FileReader( file ) );
130
91
 
131
92
                        // read
132
93
                        String line;
133
 
                        boolean in_vcard = false;
 
94
                        boolean inVCard = false;
134
95
                        while( ( line = reader.readLine() ) != null )
135
96
                        {
136
 
                                if( !in_vcard ) {
 
97
                                if( !inVCard ) {
137
98
                                        // look for vcard beginning
138
 
                                        if( line.matches( "^BEGIN:VCARD" ) ) {
139
 
                                                in_vcard = true;
140
 
                                                _vcard_count++;
 
99
                                        if( line.matches( "^BEGIN[ \\t]*:[ \\t]*VCARD" ) ) {
 
100
                                                inVCard = true;
 
101
                                                _vCardCount++;
141
102
                                        }
142
103
                                }
143
 
                                else if( line.matches( "^END:VCARD" ) )
144
 
                                        in_vcard = false;
 
104
                                else if( line.matches( "^END[ \\t]*:[ \\t]*VCARD" ) )
 
105
                                        inVCard = false;
145
106
                        }
146
107
 
147
108
                }
148
109
                catch( FileNotFoundException e ) {
149
 
                        showError( getText( R.string.error_filenotfound ) +
150
 
                                file.getName() );
 
110
                        showError( getText( R.string.error_filenotfound ) + file.getName() );
151
111
                }
152
112
                catch( IOException e ) {
153
113
                        showError( getText( R.string.error_ioerror ) + file.getName() );
156
116
 
157
117
        private void importVCardFile( File file ) throws AbortImportException
158
118
        {
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
119
                try
168
120
                {
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() );
 
121
                        // open file
 
122
                        BufferedReader reader = new BufferedReader(
 
123
                                        new FileReader( file ) );
 
124
 
 
125
                        // read
 
126
                        StringBuffer content = new StringBuffer();
 
127
                        String line;
 
128
                        while( ( line = reader.readLine() ) != null )
 
129
                                content.append( line ).append( "\n" );
 
130
 
 
131
                        importVCardFileContent( content.toString(), file.getName() );
177
132
                }
178
133
                catch( FileNotFoundException e ) {
179
 
                        showError( getText( R.string.error_filenotfound ) +
180
 
                                file.getName() );
 
134
                        showError( getText( R.string.error_filenotfound ) + file.getName() );
181
135
                }
182
136
                catch( IOException e ) {
183
137
                        showError( getText( R.string.error_ioerror ) + file.getName() );
184
138
                }
185
139
        }
186
140
 
187
 
        private void importVCardFileContent( byte[] content, String fileName )
188
 
                throws AbortImportException
 
141
        private void importVCardFileContent( String content, String fileName )
 
142
                        throws AbortImportException
189
143
        {
190
 
                // go through lines
191
 
                Vcard vcard = null;
192
 
                int vcard_start_line = 0;
193
 
                ContentLineIterator cli = new ContentLineIterator( content );
194
 
                while( cli.hasNext() )
 
144
                // unfold RFC2425 section 5.8.1 folded lines, except that we must also
 
145
                // handle embedded Quoted-Printable encodings that have a trailing '='.
 
146
                // So we remove these first before doing RFC2425 unfolding.
 
147
                content = content.replaceAll( "=\n[ \\t]", "" )
 
148
                                .replaceAll( "\n[ \\t]", "" );
 
149
 
 
150
                // get lines and parse them
 
151
                String[] lines = content.split( "\n" );
 
152
                VCard vCard = null;
 
153
                for( int i = 0; i < lines.length; i++ )
195
154
                {
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 ) {
 
155
                        String line = lines[ i ];
 
156
 
 
157
                        if( vCard == null ) {
210
158
                                // look for vcard beginning
211
 
                                if( line.matches( "^BEGIN:VCARD" ) ) {
212
 
                                        setProgress( _progress++ );
213
 
                                        vcard = new Vcard();
214
 
                                        vcard_start_line = cli.getLineNumber();
 
159
                                if( line.matches( "^BEGIN[ \\t]*:[ \\t]*VCARD" ) ) {
 
160
                                        setProgress( ++_progress );
 
161
                                        vCard = new VCard();
215
162
                                }
216
163
                        }
217
164
                        else {
218
165
                                // look for vcard content or ending
219
 
                                if( line.matches( "^END:VCARD" ) )
 
166
                                if( line.matches( "^END[ \\t]*:[ \\t]*VCARD" ) )
220
167
                                {
221
 
                                        // finalise the vcard/contact
 
168
                                        // store vcard and do away with it
222
169
                                        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;
 
170
                                                vCard.finaliseParsing();
 
171
                                                importContact( vCard );
 
172
                                        }
 
173
                                        catch( VCard.ParseException e ) {
 
174
                                                skipContact();
 
175
                                                if( !showContinue(
 
176
                                                                getText( R.string.error_vcf_parse ).toString()
 
177
                                                                + fileName + "\n" + e.getMessage() ) )
 
178
                                                        abort();
 
179
                                        }
 
180
                                        catch( VCard.SkipContactException e ) {
 
181
                                                skipContact();
 
182
                                                // do nothing
 
183
                                        }
 
184
                                        vCard = null;
257
185
                                }
258
186
                                else
259
187
                                {
260
188
                                        // try giving the line to the vcard
261
189
                                        try {
262
 
                                                vcard.parseLine( buffer, line,
263
 
                                                        cli.doesNextLineLookFolded() );
 
190
                                                vCard.parseLine( line );
264
191
                                        }
265
 
                                        catch( Vcard.ParseException e ) {
 
192
                                        catch( VCard.ParseException e ) {
266
193
                                                skipContact();
267
194
                                                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
 
                                                {
273
 
                                                        finish( ACTION_ABORT );
274
 
                                                }
 
195
                                                                getText( R.string.error_vcf_parse ).toString()
 
196
                                                                + fileName + "\n" + e.getMessage() ) )
 
197
                                                        abort();
275
198
 
276
199
                                                // although we're continuing, we still need to abort
277
200
                                                // this vCard. Further lines will be ignored until we
278
201
                                                // get to another BEGIN:VCARD line.
279
 
                                                vcard = null;
 
202
                                                vCard = null;
280
203
                                        }
281
 
                                        catch( Vcard.SkipImportException e ) {
 
204
                                        catch( VCard.SkipContactException e ) {
282
205
                                                skipContact();
283
206
                                                // abort this vCard. Further lines will be ignored until
284
207
                                                // we get to another BEGIN:VCARD line.
285
 
                                                vcard = null;
 
208
                                                vCard = null;
286
209
                                        }
287
210
                                }
288
211
                        }
289
212
                }
290
213
        }
291
214
 
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
 
215
        private class VCard extends ContactData
364
216
        {
365
217
                private final static int NAMELEVEL_NONE = 0;
366
 
                private final static int NAMELEVEL_N = 1;
 
218
                private final static int NAMELEVEL_ORG = 1;
367
219
                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
 
220
                private final static int NAMELEVEL_N = 3;
373
221
 
374
222
                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")
 
223
                private Vector< String > _lines = null;
 
224
                private int _nameLevel = NAMELEVEL_NONE;
 
225
 
407
226
                protected class ParseException extends Exception
408
227
                {
409
 
                        @SuppressWarnings("unused")
410
228
                        public ParseException( String error )
411
229
                        {
412
230
                                super( error );
414
232
 
415
233
                        public ParseException( int res )
416
234
                        {
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?
 
235
                                super( VCFImporter.this.getText( res ).toString() );
 
236
                        }
 
237
                }
 
238
 
 
239
                protected class SkipContactException extends Exception { }
 
240
 
 
241
                public void parseLine( String line )
 
242
                                throws ParseException, SkipContactException,
 
243
                                AbortImportException
 
244
                {
 
245
                        // get property halves
 
246
                        String[] props = line.split( ":" );
 
247
                        for( int i = 0; i < props.length; i++ )
 
248
                                props[ i ] = props[ i ].trim();
 
249
                        if( props.length < 2 ||
 
250
                                        props[ 0 ].length() < 1 || props[ 1 ].length() < 1 )
 
251
                                throw new ParseException( R.string.error_vcf_malformed );
 
252
 
468
253
                        if( _version == null )
469
254
                        {
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" ) )
 
255
                                if( props[ 0 ].equals( "VERSION" ) )
477
256
                                {
478
 
                                        // yes, get it!
479
 
                                        String value = extractValueFromLine( buffer, line );
480
 
                                        if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
 
257
                                        // get version
 
258
                                        if( !props[ 1 ].equals( "2.1" ) &&
 
259
                                                        !props[ 1 ].equals( "3.0" ) )
481
260
                                                throw new ParseException( R.string.error_vcf_version );
482
 
                                        _version = value;
 
261
                                        _version = props[ 1 ];
483
262
 
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;
 
263
                                        // parse any other lines we've accumulated so far
 
264
                                        if( _lines != null )
 
265
                                                for( int i = 0; i < _lines.size(); i++ )
 
266
                                                        parseLine( _lines.get( i ) );
 
267
                                        _lines = null;
494
268
                                }
495
269
                                else
496
270
                                {
497
 
                                        // no, so stash this line till we get a version
498
 
                                        if( _buffers == null )
499
 
                                                _buffers = new Vector< ByteBuffer >();
500
 
                                        _buffers.add( buffer );
 
271
                                        // stash this line till we have a version
 
272
                                        if( _lines == null )
 
273
                                                _lines = new Vector< String >();
 
274
                                        _lines.add( line );
501
275
                                }
502
276
                        }
503
277
                        else
504
278
                        {
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
279
                                // 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;
 
280
                                String[] params = props[ 0 ].split( ";" );
 
281
                                for( int i = 0; i < params.length; i++ )
 
282
                                        params[ i ] = params[ i ].trim();
666
283
 
667
284
                                // 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();
 
285
                                if( params[ 0 ].equals( "N" ) )
 
286
                                        parseN( params, props[ 1 ] );
 
287
                                else if( params[ 0 ].equals( "FN" ) )
 
288
                                        parseFN( params, props[ 1 ] );
 
289
                                else if( params[ 0 ].equals( "ORG" ) )
 
290
                                        parseORG( params, props[ 1 ] );
 
291
                                else if( params[ 0 ].equals( "TEL" ) )
 
292
                                        parseTEL( params, props[ 1 ] );
 
293
                                else if( params[ 0 ].equals( "EMAIL" ) )
 
294
                                        parseEMAIL( params, props[ 1 ] );
 
295
                        }
781
296
                }
782
297
 
783
298
                private void parseN( String[] params, String value )
 
299
                                throws ParseException, SkipContactException,
 
300
                                AbortImportException
784
301
                {
785
302
                        // already got a better name?
786
 
                        if( _name_level >= NAMELEVEL_N ) return;
 
303
                        if( _nameLevel >= NAMELEVEL_N ) return;
787
304
 
788
305
                        // get name parts
789
 
                        String[] name_parts = splitValueByCharacter( value, ';' );
 
306
                        String[] nameparts = value.split( ";" );
 
307
                        for( int i = 0; i < nameparts.length; i++ )
 
308
                                nameparts[ i ] = nameparts[ i ].trim();
790
309
 
791
310
                        // build name
792
311
                        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
 
                                }
 
312
                        if( nameparts.length > 1 && nameparts[ 1 ].length() > 0 )
 
313
                                value += nameparts[ 1 ];
 
314
                        if( nameparts[ 0 ].length() > 0 )
 
315
                                value += ( value.length() == 0? "" : " " ) + nameparts[ 0 ];
808
316
 
809
317
                        // set name
810
 
                        setName( unescapeValue( value ) );
811
 
                        _name_level = NAMELEVEL_N;
 
318
                        setName( undoCharsetAndEncoding( params, value ) );
 
319
                        _nameLevel = NAMELEVEL_N;
 
320
 
 
321
                        // check now to see if we need to import this contact (to avoid
 
322
                        // parsing the rest of the vCard unnecessarily)
 
323
                        if( !isImportRequired( getName() ) )
 
324
                                throw new SkipContactException();
812
325
                }
813
326
 
814
327
                private void parseFN( String[] params, String value )
 
328
                                throws ParseException, SkipContactException
815
329
                {
816
330
                        // already got a better name?
817
 
                        if( _name_level >= NAMELEVEL_FN ) return;
 
331
                        if( _nameLevel >= NAMELEVEL_FN ) return;
818
332
 
819
333
                        // set name
820
 
                        setName( unescapeValue( value ) );
821
 
                        _name_level = NAMELEVEL_FN;
 
334
                        setName( undoCharsetAndEncoding( params, value ) );
 
335
                        _nameLevel = NAMELEVEL_FN;
822
336
                }
823
337
 
824
338
                private void parseORG( String[] params, String value )
 
339
                                throws ParseException, SkipContactException
825
340
                {
 
341
                        // already got a better name?
 
342
                        if( _nameLevel >= NAMELEVEL_ORG ) return;
 
343
 
826
344
                        // 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;
 
345
                        String[] orgparts = value.split( ";" );
 
346
                        for( int i = 0; i < orgparts.length; i++ )
 
347
                                orgparts[ i ] = orgparts[ i ].trim();
 
348
 
 
349
                        // build name
 
350
                        if( orgparts[ 0 ].length() == 0 && orgparts.length > 1 )
 
351
                                value = orgparts[ 1 ];
 
352
                        else
 
353
                                value = orgparts[ 0 ];
 
354
 
 
355
                        // set name
 
356
                        setName( undoCharsetAndEncoding( params, value ) );
 
357
                        _nameLevel = NAMELEVEL_ORG;
870
358
                }
871
359
 
872
360
                private void parseTEL( String[] params, String value )
 
361
                                throws ParseException
873
362
                {
874
363
                        if( value.length() == 0 ) return;
875
364
 
876
365
                        Set< String > types = extractTypes( params, Arrays.asList(
877
 
                                "PREF", "HOME", "WORK", "VOICE", "FAX", "MSG", "CELL",
878
 
                                "PAGER", "BBS", "MODEM", "CAR", "ISDN", "VIDEO" ) );
 
366
                                        "PREF", "HOME", "WORK", "VOICE", "FAX", "MSG", "CELL",
 
367
                                        "PAGER", "BBS", "MODEM", "CAR", "ISDN", "VIDEO" ) );
879
368
 
880
369
                        // here's the logic...
881
 
                        boolean is_preferred = types.contains( "PREF" );
882
 
                        int type;
 
370
                        boolean preferred = types.contains( "PREF" );
 
371
                        if( types.contains( "VOICE" ) )
 
372
                                if( types.contains( "WORK" ) )
 
373
                                        addPhone( value, PhonesColumns.TYPE_WORK, preferred );
 
374
                                else
 
375
                                        addPhone( value, PhonesColumns.TYPE_HOME, preferred );
 
376
                        else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
 
377
                                addPhone( value, PhonesColumns.TYPE_MOBILE, preferred );
883
378
                        if( types.contains( "FAX" ) )
884
379
                                if( types.contains( "HOME" ) )
885
 
                                        type = TYPE_FAX_HOME;
 
380
                                        addPhone( value, PhonesColumns.TYPE_FAX_HOME, preferred );
886
381
                                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 );
 
382
                                        addPhone( value, PhonesColumns.TYPE_FAX_WORK, preferred );
 
383
                        if( types.contains( "PAGER" ) )
 
384
                                addPhone( value, PhonesColumns.TYPE_PAGER, preferred );
899
385
                }
900
386
 
901
387
                public void parseEMAIL( String[] params, String value )
903
389
                        if( value.length() == 0 ) return;
904
390
 
905
391
                        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
 
392
                                        "PREF", "WORK", "HOME", "INTERNET" ) );
 
393
 
 
394
                        // here's the logic...
 
395
                        boolean preferred = types.contains( "PREF" );
 
396
                        if( types.contains( "WORK" ) )
 
397
                                addEmail( value, Contacts.ContactMethods.TYPE_WORK, preferred );
 
398
                        else
 
399
                                addEmail( value, Contacts.ContactMethods.TYPE_HOME, preferred );
 
400
                }
 
401
 
 
402
                public void finaliseParsing()
 
403
                                throws ParseException, SkipContactException,
 
404
                                AbortImportException
970
405
                {
971
406
                        // missing version (and data is present)
972
 
                        if( _version == null && _buffers != null )
 
407
                        if( _version == null && _lines != null )
973
408
                                throw new ParseException( R.string.error_vcf_malformed );
974
409
 
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
 
                 */
 
410
                        //  missing name properties?
 
411
                        if( _nameLevel == NAMELEVEL_NONE )
 
412
                                throw new ParseException( R.string.error_vcf_noname );
 
413
 
 
414
                        // check if we should import this one? If we've already got an 'N'-
 
415
                        // type name, this will already have been done by parseN() so we
 
416
                        // mustn't do this here (or it could prompt twice!)
 
417
                        if( _nameLevel < NAMELEVEL_N && !isImportRequired( getName() ) )
 
418
                                throw new SkipContactException();
 
419
                }
 
420
 
 
421
                private String undoCharsetAndEncoding( String[] params, String value )
 
422
                                throws ParseException
 
423
                {
 
424
                        // check encoding/charset
 
425
                        String charset, encoding;
 
426
                        if( ( charset = checkParam( params, "CHARSET" ) ) != null &&
 
427
                                        !charset.equals( "UTF-8" ) && !charset.equals( "UTF-16" ) )
 
428
                                throw new ParseException( R.string.error_vcf_charset );
 
429
                        if( ( encoding = checkParam( params, "ENCODING" ) ) != null &&
 
430
                                        !encoding.equals( "QUOTED-PRINTABLE" ) )
 
431
                                throw new ParseException( R.string.error_vcf_encoding );
 
432
 
 
433
                        // do decoding?
 
434
                        if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
 
435
                                return unencodeQuotedPrintable( value, charset );
 
436
 
 
437
                        // nothing to do!
 
438
                        return value;
 
439
                }
 
440
 
986
441
                private String checkParam( String[] params, String name )
987
442
                {
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$" );
 
443
                        Pattern p = Pattern.compile( "^" + name + "[ \\t]*=[ \\t]*(.*)$" );
1004
444
                        for( int i = 0; i < params.length; i++ ) {
1005
445
                                Matcher m = p.matcher( params[ i ] );
1006
446
                                if( m.matches() )
1007
 
                                        ret.add( m.group( 2 ) );
 
447
                                        return m.group( 1 );
1008
448
                        }
1009
 
 
1010
 
                        return (String[]) ret.toArray( new String[ ret.size() ] );
 
449
                        return null;
1011
450
                }
1012
451
 
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
452
                private Set< String > extractTypes( String[] params,
1022
 
                        List< String > valid_types )
 
453
                                List< String > validTypes )
1023
454
                {
1024
455
                        HashSet< String > types = new HashSet< String >();
1025
456
 
1026
457
                        // 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 ] );
 
458
                        String typeParam;
 
459
                        if( ( typeParam = checkParam( params, "TYPE" ) ) != null ) {
 
460
                                String[] bits = typeParam.split( "," );
 
461
                                for( int i = 0; i < bits.length; i++ )
 
462
                                        if( validTypes.contains( bits[ i ] ) )
 
463
                                                types.add( bits[ i ] );
1036
464
                        }
1037
465
 
1038
466
                        // get 2.1-style type param
1039
467
                        if( _version.equals( "2.1" ) ) {
1040
468
                                for( int i = 1; i < params.length; i++ )
1041
 
                                        if( valid_types.contains( params[ i ] ) )
 
469
                                        if( validTypes.contains( params[ i ] ) )
1042
470
                                                types.add( params[ i ] );
1043
471
                        }
1044
472
 
1045
473
                        return types;
1046
474
                }
1047
475
 
1048
 
                private UnencodeResult unencodeQuotedPrintable( ByteBuffer in )
 
476
                private String unencodeQuotedPrintable( String str, String charset )
1049
477
                {
1050
 
                        boolean another = false;
 
478
                        // default encoding scheme
 
479
                        if( charset == null ) charset = "UTF-8";
1051
480
 
1052
 
                        // unencode quoted-printable encoding, as per RFC1521 section 5.1
1053
 
                        byte[] out = new byte[ in.limit() - in.position() ];
 
481
                        // unencode quoted-pritable encoding, as per RFC1521 section 5.1
 
482
                        byte[] bytes = new byte[ str.length() ];
1054
483
                        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 ) );
 
484
                        for( int i = 0; i < str.length(); i++, j++ ) {
 
485
                                char ch = str.charAt( i );
 
486
                                if( ch == '=' && i < str.length() - 2 ) {
 
487
                                        bytes[ j ] = (byte)(
 
488
                                                        Character.digit( str.charAt( i + 1 ), 16 ) * 16 +
 
489
                                                        Character.digit( str.charAt( i + 2 ), 16 ) );
1065
490
                                        i += 2;
1066
491
                                }
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
492
                                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 );
 
493
                                        bytes[ j ] = (byte)ch;
 
494
                        }
 
495
                        try {
 
496
                                return new String( bytes, 0, j, charset );
 
497
                        } catch( UnsupportedEncodingException e ) { }
 
498
                        return null;
1103
499
                }
1104
500
        }
1105
501
}