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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import java.util.NoSuchElementException;
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import java.util.Set;
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import java.util.Vector;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import android.annotation.SuppressLint;
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import android.content.SharedPreferences;
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import android.provider.Contacts;
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import android.provider.Contacts.PhonesColumns;
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public class VcardImporter extends Importer
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class VCardFilter implements FilenameFilter {
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public boolean accept( File dir, String name ) {
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return name.toLowerCase( Locale.US ).endsWith( ".vcf" );
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return name.toLowerCase().endsWith( ".vcf" );
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files = file.listFiles( new VCardFilter() );
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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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// 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( "^BEGIN[ \t]*:[ \t]*VCARD" ) ) {
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if( line.matches( "^BEGIN: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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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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( _content[ _pos ] == ' ' || _content[ _pos ] == '\t' );
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_content[ _pos - 1 ] == '\n' && _content[ _pos ] == ' ';
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public int getLineNumber()
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private final static int MULTILINE_NONE = 0;
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private final static int MULTILINE_ENCODED = 1; // v2.1 quoted-printable
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private final static int MULTILINE_ESCAPED = 2; // v2.1 \\CRLF
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private final static int MULTILINE_FOLDED = 3; // MIME-DIR folding
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private final static int MULTILINE_FOLDED = 3; // v3.0 folding
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private String _version = null;
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private Vector< ByteBuffer > _buffers = null;
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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" ) )
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name_and_params.equals( "VERSION" ) )
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String value = extractValueFromLine( buffer, line );
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if( line.trim().length() == 0 ) return;
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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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"FN", "ORG", "TITLE", "TEL", "EMAIL", "ADR", "LABEL" }
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boolean is_interesting_field =
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interesting_fields.contains(
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name_param_parts[ 0 ].toUpperCase( Locale.US ) );
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interesting_fields.contains( name_param_parts[ 0 ] );
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// parse encoding parameter
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String encoding = checkParam( name_param_parts, "ENCODING" );
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if( encoding != null )
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encoding = encoding.toUpperCase( Locale.US );
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if( encoding != null ) encoding = encoding.toUpperCase();
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if( is_interesting_field && encoding != null &&
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!encoding.equalsIgnoreCase( "8BIT" ) &&
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!encoding.equalsIgnoreCase( "QUOTED-PRINTABLE" ) )
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//&& !encoding.equalsIgnoreCase( "BASE64" ) )
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!encoding.equals( "8BIT" ) &&
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!encoding.equals( "QUOTED-PRINTABLE" ) )
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//&& !encoding.equals( "BASE64" ) )
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throw new ParseException( R.string.error_vcf_encoding );
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// parse charset parameter
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String charset = checkParam( name_param_parts, "CHARSET" );
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if( charset != null )
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charset = charset.toUpperCase( Locale.US );
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if( charset != null ) charset = charset.toUpperCase();
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if( charset != null &&
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!charset.equalsIgnoreCase( "US-ASCII" ) &&
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!charset.equalsIgnoreCase( "ASCII" ) &&
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!charset.equalsIgnoreCase( "UTF-8" ) )
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!charset.equals( "US-ASCII" ) &&
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!charset.equals( "ASCII" ) &&
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!charset.equals( "UTF-8" ) )
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throw new ParseException( R.string.error_vcf_charset );
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// do unencoding (or default to a fake unencoding result with
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// the raw string)
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UnencodeResult unencoding_result = null;
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if( encoding != null &&
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encoding.equalsIgnoreCase( "QUOTED-PRINTABLE" ) )
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if( encoding != null && encoding.equals( "QUOTED-PRINTABLE" ) )
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unencoding_result = unencodeQuotedPrintable( value );
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// else if( encoding != null &&
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// encoding.equalsIgnoreCase( "BASE64" ) )
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// else if( encoding != null && encoding.equals( "BASE64" ) )
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// unencoding_result = unencodeBase64( props[ 1 ], charset );
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if( unencoding_result != null ) {
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value = unencoding_result.getBuffer();
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if( unencoding_result.isAnotherLineRequired() )
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// specified for a v2.1 vcard entry, we assume it's US-ASCII)
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if( ( charset == null && _version.equals( "2.1" ) ) ||
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( charset != null && (
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charset.equalsIgnoreCase( "ASCII" ) ||
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charset.equalsIgnoreCase( "US-ASCII" ) ) ) )
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charset.equals( "ASCII" ) ||
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charset.equals( "US-ASCII" ) ) ) )
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value = transcodeAsciiToUtf8( value );
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// for some entries that have semicolon-separated value parts,
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// check to see if the value ends in an escape character, which
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// indicates that we have a multi-line value
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if( ( name_param_parts[ 0 ].equalsIgnoreCase( "N" ) ||
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name_param_parts[ 0 ].equalsIgnoreCase( "ORG" ) ||
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name_param_parts[ 0 ].equalsIgnoreCase( "ADR" ) ) &&
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if( ( name_param_parts[ 0 ].equals( "N" ) ||
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name_param_parts[ 0 ].equals( "ORG" ) ||
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name_param_parts[ 0 ].equals( "ADR" ) ) &&
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doesStringEndInAnEscapeChar( string_value ) )
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_parser_multiline_state = MULTILINE_ESCAPED;
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string_value.length() - 1 );
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// if we know we're not in an encoding-based multi-line, check
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// to see if we're in a folded multi-line
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// now we know whether we're in an encoding multi-line,
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// determine if we're in a v3 folded multi-line or not
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if( _parser_multiline_state == MULTILINE_NONE &&
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next_line_looks_folded )
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_version.equals( "3.0" ) && next_line_looks_folded )
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_parser_multiline_state = MULTILINE_FOLDED;
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if( complete_value.length() < 1 ) return;
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// parse some properties
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if( name_param_parts[ 0 ].equalsIgnoreCase( "N" ) )
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if( name_param_parts[ 0 ].equals( "N" ) )
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parseN( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "FN" ) )
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else if( name_param_parts[ 0 ].equals( "FN" ) )
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parseFN( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "ORG" ) )
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else if( name_param_parts[ 0 ].equals( "ORG" ) )
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parseORG( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "TITLE" ) )
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else if( name_param_parts[ 0 ].equals( "TITLE" ) )
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parseTITLE( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "TEL" ) )
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else if( name_param_parts[ 0 ].equals( "TEL" ) )
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parseTEL( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "EMAIL" ) )
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else if( name_param_parts[ 0 ].equals( "EMAIL" ) )
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parseEMAIL( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "ADR" ) )
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else if( name_param_parts[ 0 ].equals( "ADR" ) )
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parseADR( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "LABEL" ) )
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else if( name_param_parts[ 0 ].equals( "LABEL" ) )
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parseLABEL( name_param_parts, complete_value );
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else if( name_param_parts[ 0 ].equalsIgnoreCase( "NOTE" ) )
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parseNOTE( name_param_parts, complete_value );
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if( types.contains( "FAX" ) )
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if( types.contains( "HOME" ) )
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type = TYPE_FAX_HOME;
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type = PhonesColumns.TYPE_FAX_HOME;
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type = TYPE_FAX_WORK;
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type = PhonesColumns.TYPE_FAX_WORK;
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else if( types.contains( "CELL" ) || types.contains( "VIDEO" ) )
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type = PhonesColumns.TYPE_MOBILE;
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else if( types.contains( "PAGER" ) )
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type = PhonesColumns.TYPE_PAGER;
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else if( types.contains( "WORK" ) )
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type = PhonesColumns.TYPE_WORK;
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type = PhonesColumns.TYPE_HOME;
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// add phone number
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addNumber( value, type, is_preferred );
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boolean is_preferred = types.contains( "PREF" );
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if( types.contains( "WORK" ) )
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type = Contacts.ContactMethods.TYPE_WORK;
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type = Contacts.ContactMethods.TYPE_HOME;
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addEmail( unescapeValue( value ), type, is_preferred );
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for( int a = 0; a < adr_parts.length; a++ )
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if( adr_parts[ a ].length() > 0 )
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// version 3.0 vCards allow further splitting by comma
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if( _version.equals( "3.0" ) )
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// split this part in to it's comma-separated bits and
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// add them on individual lines
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String[] adr_part_parts =
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splitValueByCharacter( adr_parts[ a ], ',' );
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for( int b = 0; b < adr_part_parts.length; b++ )
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if( adr_part_parts[ b ].length() > 0 )
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if( value.length() > 0 ) value += "\n";
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value += adr_part_parts[ b ];
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// add this part on an individual line
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if( value.length() > 0 ) value += "\n";
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value += adr_parts[ a ];
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// split this part in to it's comma-separated bits
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String[] adr_part_parts =
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splitValueByCharacter( adr_parts[ a ], ',' );
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for( int b = 0; b < adr_part_parts.length; b++ )
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if( adr_part_parts[ b ].length() > 0 )
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if( value.length() > 0 ) value += "\n";
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value += adr_part_parts[ b ];
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Set< String > types = extractTypes( params, Arrays.asList(
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if( types.contains( "WORK" ) )
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type = Contacts.ContactMethods.TYPE_WORK;
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type = Contacts.ContactMethods.TYPE_HOME;
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addAddress( unescapeValue( value ), type );
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if( types.contains( "WORK" ) )
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type = Contacts.ContactMethods.TYPE_WORK;
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type = Contacts.ContactMethods.TYPE_HOME;
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addAddress( unescapeValue( value ), type );
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private void parseNOTE( String[] params, String value )
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addNote( unescapeValue( value ) );
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public void finaliseVcard()
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throws ParseException, ContactNotIdentifiableException
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HashSet< String > ret = new HashSet< String >();
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Pattern p = Pattern.compile(
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"^" + name + "[ \\t]*=[ \\t]*(\"?)(.*)\\1$",
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Pattern.CASE_INSENSITIVE );
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"^" + name + "[ \\t]*=[ \\t]*(\"?)(.*)\\1$" );
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for( int i = 0; i < params.length; i++ ) {
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Matcher m = p.matcher( params[ i ] );
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if( m.matches() )
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* Amongst the params, return any type values present. For v2.1 vCards,
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* those types are just parameters. For v3.0, they are prefixed with
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* "TYPE=". There may also be multiple type parameters.
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* @param params an array of params to look for types in
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* @param valid_types an list of upper-case type values to look for
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* @param a list of type values to look for
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* @return a set of present type values
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private Set< String > extractTypes( String[] params,
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String type_params[] = checkParams( params, "TYPE" );
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for( int a = 0; a < type_params.length; a++ )
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// check for a comma-separated list of types (why? I don't think
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// this is in the specs!)
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// check for a comma-separated list of types (why? this isn't in
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String[] parts = type_params[ a ].split( "," );
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for( int i = 0; i < parts.length; i++ ) {
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String ucpart = parts[ i ].toUpperCase( Locale.US );
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if( valid_types.contains( ucpart ) )
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types.add( ucpart );
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for( int i = 0; i < parts.length; i++ )
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if( valid_types.contains( parts[ i ] ) )
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types.add( parts[ i ] );
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// get 2.1-style type param
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if( _version.equals( "2.1" ) ) {
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for( int i = 1; i < params.length; i++ ) {
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String ucparam = params[ i ].toUpperCase( Locale.US );
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if( valid_types.contains( ucparam ) )
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types.add( ucparam );
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for( int i = 1; i < params.length; i++ )
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if( valid_types.contains( params[ i ] ) )
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types.add( params[ i ] );