/android/export-contacts

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

  • Committer: Tim Marston
  • Date: 2013-07-16 16:24:59 UTC
  • Revision ID: tim@ed.am-20130716162459-u5z1iogael46ukp3
separate vcards with a newline

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src/am/ed/exportcontacts/VcardExporter.java
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                return buffer.toString();
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        }
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        /**
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         * Is the provided value a valid date-and-or-time, as per the spec?
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         *
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         * @param value the value
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         * @return true if it is
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         */
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        protected boolean isValidDateAndOrTime( String value )
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        {
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                // ISO 8601:2004 4.1.2 date with 4.1.2.3 a) and b) reduced accuracy
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                String date =
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                        "[0-9]{4}(?:-?[0-9]{2}(?:-?[0-9]{2})?)?";
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                // ISO 8601:2000 5.2.1.3 d), e) and f) truncated date representation
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                String date_trunc =
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                        "--(?:[0-9]{2}(?:-?[0-9]{2})?|-[0-9]{2})";
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                // ISO 8601:2004 4.2.2 time with 4.2.2.3 reduced accuracy, 4.2.4 UTC and
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                // 4.2.5 zone offset, no 4.2.2.4 decimal fraction and no 4.2.3 24:00
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                // midnight
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                String time =
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                        "(?:[0-1][0-9]|2[0-3])(?::?[0-5][0-9](?::?(?:60|[0-5][0-9]))?)?" +
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                        "(?:Z|[-+](?:[0-1][0-9]|2[0-3])(?::?[0-5][0-9])?)?";
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                // ISO 8601:2000 5.3.1.4 a), b) and c) truncated time representation
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                String time_trunc =
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                        "-(?:[0-5][0-9](?::?(?:60|[0-5][0-9]))?|-(?:60|[0-5][0-9]))";
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                // RFC6350 (vCard 3.0) date-and-or-time with mandatory time designator
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                String date_and_or_time =
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                        "(?:" + date + "|" + date_trunc + ")?" +
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                        "(?:T(?:" + time + "|" + time_trunc + "))?";
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                return value.matches( date_and_or_time );
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        }
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        @Override
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        protected boolean exportContact( ContactData contact )
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                throws AbortExportException
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                        for( int a = 0; a < notes.size(); a++ )
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                                out.append( fold( "NOTE:" + escape( notes.get( a ) ) ) + "\n" );
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                // append birthday
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                String birthday = contact.getBirthday();
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                if( birthday != null ) {
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                        birthday.trim();
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                        if( isValidDateAndOrTime( birthday ) )
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                                out.append( fold( "BDAY:" + escape( birthday ) ) + "\n" );
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                        else
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                                out.append(
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                                        fold( "BDAY;VALUE=text:" + escape( birthday ) ) + "\n" );
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                }
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                // append footer
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                out.append( "END:VCARD\n" );
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