/android/export-contacts

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

« back to all changes in this revision

Viewing changes to src/am/ed/exportcontacts/VcardExporter.java

  • Committer: Tim Marston
  • Date: 2013-06-22 19:31:44 UTC
  • Revision ID: tim@ed.am-20130622193144-0lo7w92qagow0kmu
minor style tweaks

Show diffs side-by-side

added added

removed removed

src/am/ed/exportcontacts/VcardExporter.java
1
1
/*
2
2
 * Exporter.java
3
3
 *
4
 
 * Copyright (C) 2011 to 2013 Tim Marston <tim@ed.am>
 
4
 * Copyright (C) 2011 to 2012 Tim Marston <tim@ed.am>
5
5
 *
6
6
 * This file is part of the Export Contacts program (hereafter referred
7
7
 * to as "this program").  For more information, see
36
36
public class VcardExporter extends Exporter
37
37
{
38
38
        protected FileOutputStream _ostream = null;
39
 
        protected boolean _first_contact = true;
40
39
 
41
40
        public VcardExporter( Doit doit )
42
41
        {
49
48
                SharedPreferences prefs = getSharedPreferences();
50
49
 
51
50
                // create output filename
52
 
                File file = new File( ConfigureVCF.getSdCardPathPrefix() +
53
 
                        prefs.getString( "path", "/" ) +
54
 
                        prefs.getString( "filename", "android-contacts.vcf" ) );
 
51
                String filename = prefs.getString( "filename", "android-contacts.vcf" );
 
52
                File file = new File( "/sdcard" + prefs.getString( "location", "/" ) +
 
53
                        filename );
55
54
 
56
55
                // check if the output file already exists
57
56
                if( file.exists() && file.length() > 0 )
58
 
                        showContinueOrAbort( R.string.error_vcf_exists );
 
57
                        if( !showContinue( R.string.error_vcf_exists ) )
 
58
                                finish( ACTION_ABORT );
59
59
 
60
60
                // open file
61
61
                try {
62
62
                        _ostream = new FileOutputStream( file );
63
63
                }
64
64
                catch( FileNotFoundException e ) {
65
 
                        showError( getText( R.string.error_filenotfound ) +
66
 
                                file.getPath() );
 
65
                        showError( R.string.error_filenotfound );
67
66
                }
68
67
        }
69
68
 
164
163
                return buffer.toString();
165
164
        }
166
165
 
167
 
        /**
168
 
         * Is the provided value a valid date-and-or-time, as per the spec?
169
 
         *
170
 
         * @param value the value
171
 
         * @return true if it is
172
 
         */
173
 
        protected boolean isValidDateAndOrTime( String value )
174
 
        {
175
 
                // ISO 8601:2004 4.1.2 date with 4.1.2.3 a) and b) reduced accuracy
176
 
                String date =
177
 
                        "[0-9]{4}(?:-?[0-9]{2}(?:-?[0-9]{2})?)?";
178
 
 
179
 
                // ISO 8601:2000 5.2.1.3 d), e) and f) truncated date representation
180
 
                String date_trunc =
181
 
                        "--(?:[0-9]{2}(?:-?[0-9]{2})?|-[0-9]{2})";
182
 
 
183
 
                // ISO 8601:2004 4.2.2 time with 4.2.2.3 reduced accuracy, 4.2.4 UTC and
184
 
                // 4.2.5 zone offset, no 4.2.2.4 decimal fraction and no 4.2.3 24:00
185
 
                // midnight
186
 
                String time =
187
 
                        "(?:[0-1][0-9]|2[0-3])(?::?[0-5][0-9](?::?(?:60|[0-5][0-9]))?)?" +
188
 
                        "(?:Z|[-+](?:[0-1][0-9]|2[0-3])(?::?[0-5][0-9])?)?";
189
 
 
190
 
                // ISO 8601:2000 5.3.1.4 a), b) and c) truncated time representation
191
 
                String time_trunc =
192
 
                        "-(?:[0-5][0-9](?::?(?:60|[0-5][0-9]))?|-(?:60|[0-5][0-9]))";
193
 
 
194
 
                // RFC6350 (vCard 3.0) date-and-or-time with mandatory time designator
195
 
                String date_and_or_time =
196
 
                        "(?:" + date + "|" + date_trunc + ")?" +
197
 
                        "(?:T(?:" + time + "|" + time_trunc + "))?";
198
 
 
199
 
                return value.matches( date_and_or_time );
200
 
        }
201
 
 
202
 
        protected void writeToFile( byte data[], String identifier )
203
 
                throws AbortExportException
204
 
        {
205
 
                // write to file
206
 
                try {
207
 
                        _ostream.write( data );
208
 
                        _ostream.flush();
209
 
                }
210
 
                catch( IOException e ) {
211
 
                        showError( R.string.error_ioerror );
212
 
                }
213
 
        }
214
166
 
215
167
        @Override
216
168
        protected boolean exportContact( ContactData contact )
222
174
                if( contact.getPrimaryIdentifier() == null )
223
175
                        return false;
224
176
 
225
 
                // append newline
226
 
                if( _first_contact )
227
 
                        _first_contact = false;
228
 
                else
229
 
                        out.append( "\n" );
230
 
 
231
177
                // append header
232
178
                out.append( "BEGIN:VCARD\n" );
233
179
                out.append( "VERSION:3.0\n" );
234
180
 
235
181
                // append formatted name
236
 
                String identifier = contact.getPrimaryIdentifier();
237
 
                if( identifier != null ) identifier = identifier.trim();
238
 
                if( identifier == null || identifier.length() == 0 ) {
239
 
                        showContinueOrAbort( R.string.error_vcf_noname );
240
 
                        return false;
241
 
                }
242
 
                out.append( fold( "FN:" + escape( identifier ) ) + "\n" );
243
 
 
244
 
                // append name
245
182
                String name = contact.getName();
246
183
                if( name == null ) name = "";
 
184
                out.append( fold( "FN:" + escape( name ) ) + "\n" );
 
185
 
 
186
                // append name
247
187
                String[] bits = name.split( " +" );
248
188
                StringBuilder tmp = new StringBuilder();
249
189
                for( int a = 1; a < bits.length - 1; a++ ) {
342
282
                        for( int a = 0; a < notes.size(); a++ )
343
283
                                out.append( fold( "NOTE:" + escape( notes.get( a ) ) ) + "\n" );
344
284
 
345
 
                // append birthday
346
 
                String birthday = contact.getBirthday();
347
 
                if( birthday != null ) {
348
 
                        birthday.trim();
349
 
                        if( isValidDateAndOrTime( birthday ) )
350
 
                                out.append( fold( "BDAY:" + escape( birthday ) ) + "\n" );
351
 
                        else
352
 
                                out.append(
353
 
                                        fold( "BDAY;VALUE=text:" + escape( birthday ) ) + "\n" );
354
 
                }
355
 
 
356
285
                // append footer
357
286
                out.append( "END:VCARD\n" );
358
287
 
368
297
                }
369
298
 
370
299
                // write to file
371
 
                writeToFile( out.toString().getBytes(), identifier );
 
300
                try {
 
301
                        _ostream.write( out.toString().getBytes() );
 
302
                        _ostream.flush();
 
303
                }
 
304
                catch( IOException e ) {
 
305
                        showError( R.string.error_ioerror );
 
306
                }
372
307
 
373
308
                return true;
374
309
        }