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* Copyright (C) 2009 to 2013 Tim Marston <tim@ed.am>
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* Copyright (C) 2009 to 2011 Tim Marston <tim@ed.am>
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* This file is part of the Import Contacts program (hereafter referred
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* to as "this program"). For more information, see
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* to as "this program"). For more information, see
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* http://ed.am/dev/android/import-contacts
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* This program is free software: you can redistribute it and/or modify
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boolean in_vcard = false;
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while( ( line = reader.readLine() ) != null )
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// look for vcard beginning
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if( line.matches( "(?i)BEGIN[ \t]*:[ \t]*VCARD.*" ) ) {
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if( line.matches( "^BEGIN:VCARD" ) ) {
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// check for vMsg files
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else if( line.matches( "(?i)BEGIN[ \t]*:[ \t]*VMSG.*" ) ) {
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showError( getText( R.string.error_vcf_vmsgfile )
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else if( line.matches( "(?i)END[ \t]*:[ \t]*VCARD.*" ) )
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else if( line.matches( "^END:VCARD" ) )
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in_vcard = false;
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catch( FileNotFoundException e ) {
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FileInputStream istream = new FileInputStream( file );
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byte[] content = new byte[ (int)file.length() ];
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istream.read( content );
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importVCardFileContent( content, file.getName() );
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catch( OutOfMemoryError e ) {
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showError( R.string.error_outofmemory );
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catch( FileNotFoundException e ) {
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showError( getText( R.string.error_filenotfound ) +
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file.getName() );
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ContentLineIterator cli = new ContentLineIterator( content );
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while( cli.hasNext() )
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ContentLine content_line = cli.next();
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ByteBuffer buffer = cli.next();
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// get a US-ASCII version of the string, for processing
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String line = content_line.getUsAsciiLine();
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// get a US-ASCII version of the line for processing
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line = new String( buffer.array(), buffer.position(),
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buffer.limit() - buffer.position(), "US-ASCII" );
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catch( UnsupportedEncodingException e ) {
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// we know US-ASCII is supported, so appease the compiler...
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if( vcard == null ) {
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// look for vcard beginning
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if( line.matches( "(?i)BEGIN[ \t]*:[ \t]*VCARD.*" ) ) {
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if( line.matches( "^BEGIN[ \t]*:[ \t]*VCARD" ) ) {
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setProgress( _progress++ );
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vcard = new Vcard();
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vcard_start_line = cli.getLineNumber();
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// try giving the line to the vcard
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vcard.parseLine( content_line );
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vcard.parseLine( buffer, line,
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cli.doesNextLineLookFolded() );
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catch( Vcard.ParseException e ) {
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finish( ACTION_ABORT );
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// Although we're continuing, we still need to abort
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// this vCard. Further lines will be ignored until we
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// although we're continuing, we still need to abort
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// this vCard. Further lines will be ignored until we
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// get to another BEGIN:VCARD line.
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catch( Vcard.SkipImportException e ) {
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// Abort this vCard. Further lines will be ignored until
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// abort this vCard. Further lines will be ignored until
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// we get to another BEGIN:VCARD line.
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private ByteBuffer _buffer;
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private boolean _folded_next;
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private String _line;
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public ContentLine( ByteBuffer buffer, boolean folded_next )
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_folded_next = folded_next;
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public ByteBuffer getBuffer()
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public boolean doesNextLineLookFolded()
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public String getUsAsciiLine()
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// generated line and cache it
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if( _line == null ) {
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_line = new String( _buffer.array(), _buffer.position(),
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_buffer.limit() - _buffer.position(), "US-ASCII" );
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catch( UnsupportedEncodingException e ) {
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// we know US-ASCII *is* supported, so appease the
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// return cached line
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class ContentLineIterator implements Iterator< ContentLine >
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class ContentLineIterator implements Iterator< ByteBuffer >
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protected byte[] _content = null;
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protected int _pos = 0;
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_pos > initial_pos )? _pos - 1 : _pos;
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return new ContentLine(
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ByteBuffer.wrap( _content, initial_pos,
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doesNextLineLookFolded() );
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return ByteBuffer.wrap( _content, initial_pos,
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// we didn't find one, but were there bytes left?
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return new ContentLine(
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ByteBuffer.wrap( _content, initial_pos,
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doesNextLineLookFolded() );
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return ByteBuffer.wrap( _content, initial_pos,
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* onto the end of this one?
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private boolean doesNextLineLookFolded()
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public boolean doesNextLineLookFolded()
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return _pos > 0 && _pos < _content.length &&
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_content[ _pos - 1 ] == '\n' &&
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private final static int MULTILINE_FOLDED = 3; // MIME-DIR folding
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private String _version = null;
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private Vector< ContentLine > _content_lines = null;
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private Vector< ByteBuffer > _buffers = null;
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private int _name_level = NAMELEVEL_NONE;
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private int _parser_multiline_state = MULTILINE_NONE;
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private String _parser_current_name_and_params = null;
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@SuppressWarnings("serial")
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protected class SkipImportException extends Exception { }
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private String extractCollonPartFromLine( ContentLine content_line,
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private String extractCollonPartFromLine( ByteBuffer buffer,
426
String line, boolean former )
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// get a US-ASCII version of the line for processing, unless we were
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line = new String( buffer.array(), buffer.position(),
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buffer.limit() - buffer.position(), "US-ASCII" );
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catch( UnsupportedEncodingException e ) {
438
// we know US-ASCII is supported, so appease the compiler...
475
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// split line into name and value parts and check to make sure we
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// only got 2 parts and that the first part is not zero in length
477
String[] parts = content_line.getUsAsciiLine().split( ":", 2 );
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String[] parts = line.split( ":", 2 );
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if( parts.length == 2 && parts[ 0 ].length() > 0 )
479
return parts[ former? 0 : 1 ].trim();
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private String extractNameAndParamsFromLine( ContentLine content_line )
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return extractCollonPartFromLine( content_line, true );
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private String extractValueFromLine( ContentLine content_line )
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return extractCollonPartFromLine( content_line, false );
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public void parseLine( ContentLine content_line )
447
ret = parts[ former? 0 : 1 ];
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private String extractNameAndParamsFromLine( ByteBuffer buffer,
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return extractCollonPartFromLine( buffer, line, true );
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private String extractValueFromLine( ByteBuffer buffer, String line )
460
return extractCollonPartFromLine( buffer, line, false );
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public void parseLine( ByteBuffer buffer, String line,
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boolean next_line_looks_folded )
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throws ParseException, SkipImportException,
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AbortImportException
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// tentatively get name and params from line
502
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String name_and_params =
503
extractNameAndParamsFromLine( content_line );
473
extractNameAndParamsFromLine( buffer, line );
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// is it a version line?
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if( name_and_params != null &&
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name_and_params.equalsIgnoreCase( "VERSION" ) )
510
String value = extractValueFromLine( content_line );
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if( value == null || (
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!value.equals( "2.1" ) && !value.equals( "3.0" ) ) )
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String value = extractValueFromLine( buffer, line );
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if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
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throw new ParseException( R.string.error_vcf_version );
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_version = value;
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// parse any buffers we've been accumulating while we waited
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if( _content_lines != null )
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for( int i = 0; i < _content_lines.size(); i++ )
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parseLine( _content_lines.get( i ) );
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_content_lines = null;
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if( _buffers != null )
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for( int i = 0; i < _buffers.size(); i++ )
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parseLine( _buffers.get( i ), null,
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i + 1 < _buffers.size() &&
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_buffers.get( i + 1 ).hasRemaining() &&
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_buffers.get( i + 1 ).get(
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_buffers.get( i + 1 ).position() ) == ' ' );
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// no, so stash this line till we get a version
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if( _content_lines == null )
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_content_lines = new Vector< ContentLine >();
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_content_lines.add( content_line );
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if( _buffers == null )
500
_buffers = new Vector< ByteBuffer >();
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_buffers.add( buffer );
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// name and params and the position in the buffer where the
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// "value" part of the line starts
507
// "value" part of the line start
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String name_and_params;
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// skip some initial line characters, depending on the type
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// of multi-line we're handling
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pos = content_line.getBuffer().position();
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pos = buffer.position();
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switch( _parser_multiline_state )
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case MULTILINE_FOLDED:
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case MULTILINE_ENCODED:
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while( pos < content_line.getBuffer().limit() && (
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content_line.getBuffer().get( pos ) == ' ' ||
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content_line.getBuffer().get( pos ) == '\t' ) )
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while( pos < buffer.limit() && (
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buffer.get( pos ) == ' ' ||
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buffer.get( pos ) == '\t' ) )
573
if( content_line.getUsAsciiLine().trim().length() == 0 )
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// get name and params from line, and since we're not
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// parsing a subsequent line in a multi-line, this should
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// not fail, or it's an error
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name_and_params =
580
extractNameAndParamsFromLine( content_line );
547
extractNameAndParamsFromLine( buffer, line );
581
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if( name_and_params == null )
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549
throw new ParseException(
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R.string.error_vcf_malformed );
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// calculate how many chars to skip from beginning of line
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// so we skip the property "name:" part
587
pos = content_line.getBuffer().position() +
588
name_and_params.length() + 1;
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pos = buffer.position() + name_and_params.length() + 1;
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// reset the saved multi-line state
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_parser_current_name_and_params = name_and_params;
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// get value from buffer, as raw bytes
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ByteBuffer value;
597
value = ByteBuffer.wrap( content_line.getBuffer().array(), pos,
598
content_line.getBuffer().limit() - pos );
563
value = ByteBuffer.wrap( buffer.array(), pos,
564
buffer.limit() - pos );
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// get parameter parts
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String[] name_param_parts = name_and_params.split( ";", -1 );
608
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"FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR", "LABEL" }
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boolean is_interesting_field =
611
interesting_fields.contains(
612
name_param_parts[ 0 ].toUpperCase( Locale.US ) );
577
interesting_fields.contains( name_param_parts[ 0 ] );
614
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// parse encoding parameter
615
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String encoding = checkParam( name_param_parts, "ENCODING" );
689
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// if we know we're not in an encoding-based multi-line, check
690
655
// to see if we're in a folded multi-line
691
656
if( _parser_multiline_state == MULTILINE_NONE &&
692
content_line.doesNextLineLookFolded() )
657
next_line_looks_folded )
694
659
_parser_multiline_state = MULTILINE_FOLDED;
725
690
parseLABEL( name_param_parts, complete_value );
726
691
else if( name_param_parts[ 0 ].equalsIgnoreCase( "NOTE" ) )
727
692
parseNOTE( name_param_parts, complete_value );
728
else if( name_param_parts[ 0 ].equalsIgnoreCase( "BDAY" ) )
729
parseBDAY( name_param_parts, complete_value );
757
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String str = parts.get( a );
759
// Look for parts that end in an escape character, but ignore
760
// the final part. We've already detected escape chars at the
722
// look for parts that end in an escape character, but ignore
723
// the final part. We've already detected escape chars at the
761
724
// end of the final part in parseLine() and handled multi-lines
763
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if( a < parts.size() - 1 &&
853
816
for( int b = 0; b < name_part_parts.length; b++ )
854
817
if( name_part_parts[ b ].length() > 0 )
856
if( value.length() > 0 ) value += " ";
819
if( value.length() == 0 ) value += " ";
857
820
value += name_part_parts[ b ];
1033
996
addNote( unescapeValue( value ) );
1036
private void parseBDAY( String[] params, String value )
1038
setBirthday( value );
1041
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public void finaliseVcard()
1042
1000
throws ParseException, ContactNotIdentifiableException
1044
1002
// missing version (and data is present)
1045
if( _version == null && _content_lines != null )
1003
if( _version == null && _buffers != null )
1046
1004
throw new ParseException( R.string.error_vcf_malformed );
1048
1006
// finalise the parent class
1090
* Amongst the params, return any type values present. For v2.1 vCards,
1091
* those types are just parameters. For v3.0, they are prefixed with
1092
* "TYPE=". There may also be multiple type parameters.
1046
* Amongst the params, return any type values present. For v2.1 vCards,
1047
* those types are just parameters. For v3.0, they are prefixed with
1048
* "TYPE=". There may also be multiple type parameters.
1094
1049
* @param params an array of params to look for types in
1095
1050
* @param valid_types an list of upper-case type values to look for
1096
1051
* @return a set of present type values
1104
1059
String type_params[] = checkParams( params, "TYPE" );
1105
1060
for( int a = 0; a < type_params.length; a++ )
1107
// check for a comma-separated list of types (why? I don't think
1108
// this is in the specs!)
1062
// check for a comma-separated list of types (why? this isn't in
1109
1064
String[] parts = type_params[ a ].split( "," );
1110
for( int i = 0; i < parts.length; i++ ) {
1111
String ucpart = parts[ i ].toUpperCase( Locale.US );
1112
if( valid_types.contains( ucpart ) )
1113
types.add( ucpart );
1065
for( int i = 0; i < parts.length; i++ )
1066
parts[ i ] = parts[ i ].toUpperCase( Locale.US );
1067
for( int i = 0; i < parts.length; i++ )
1068
if( valid_types.contains( parts[ i ] ) )
1069
types.add( parts[ i ] );
1117
1072
// get 2.1-style type param
1118
1073
if( _version.equals( "2.1" ) ) {
1119
for( int i = 1; i < params.length; i++ ) {
1120
String ucparam = params[ i ].toUpperCase( Locale.US );
1121
if( valid_types.contains( ucparam ) )
1122
types.add( ucparam );
1074
for( int i = 1; i < params.length; i++ )
1075
if( valid_types.contains( params[ i ] ) )
1076
types.add( params[ i ] );
1148
1101
else if( ch == '=' && i == in.limit() - 1 )
1150
1103
// we found a '=' at the end of a line signifying a multi-
1151
// line string, so we don't add it
1104
// line string, so we don't add it.
1152
1105
another = true;