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: src/am/ed/importcontacts/VcardImporter.java
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- Committer: edam
- Date: 2012-12-21 14:47:57 UTC
- Revision ID: tim@ed.am-20121221144757-5cb1lgsp7fdt7p2n
updated TODO
- files added:
- TODO
- files modified:
- .bzrignore
added
removed
src/am/ed/importcontacts/VcardImporter.java
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/*
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* VCFImporter.java
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*
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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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*
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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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*
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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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{
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if( !in_vcard )
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{
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if( !in_vcard ) {
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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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in_vcard = true;
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_vcard_count++;
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}
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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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+ file.getName() );
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}
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}
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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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}
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reader.close();
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}
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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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istream.close();
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istream = null;
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// import
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importVCardFileContent( content, file.getName() );
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}
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catch( OutOfMemoryError e ) {
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showError( R.string.error_outofmemory );
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}
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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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{
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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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String line;
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try {
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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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}
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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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line = "";
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}
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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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}
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else {
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// look for vcard content or ending
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if( line.matches( "(?i)END[ \t]*:[ \t]*VCARD.*" ) )
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if( line.matches( "^END[ \t]*:[ \t]*VCARD" ) )
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{
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// finalise the vcard/contact
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try {
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{
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// try giving the line to the vcard
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try {
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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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}
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catch( Vcard.ParseException e ) {
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skipContact();
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finish( ACTION_ABORT );
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}
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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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vcard = null;
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}
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catch( Vcard.SkipImportException e ) {
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skipContact();
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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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vcard = null;
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}
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}
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}
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class ContentLine
294
{
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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 )
300
{
301
_buffer = buffer;
302
_folded_next = folded_next;
303
_line = null;
304
}
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public ByteBuffer getBuffer()
307
{
308
return _buffer;
309
}
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public boolean doesNextLineLookFolded()
312
{
313
return _folded_next;
314
}
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public String getUsAsciiLine()
317
{
318
// generated line and cache it
319
if( _line == null ) {
320
try {
321
_line = new String( _buffer.array(), _buffer.position(),
322
_buffer.limit() - _buffer.position(), "US-ASCII" );
323
}
324
catch( UnsupportedEncodingException e ) {
325
// we know US-ASCII *is* supported, so appease the
326
// compiler...
327
}
328
}
329
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// return cached line
331
return _line;
332
}
333
}
334
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class ContentLineIterator implements Iterator< ContentLine >
292
class ContentLineIterator implements Iterator< ByteBuffer >
336
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{
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protected byte[] _content = null;
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protected int _pos = 0;
350
307
}
351
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@Override
353
public ContentLine next()
310
public ByteBuffer next()
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{
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int initial_pos = _pos;
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363
320
_pos > initial_pos )? _pos - 1 : _pos;
364
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_pos++;
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_line++;
366
return new ContentLine(
367
ByteBuffer.wrap( _content, initial_pos,
368
to - initial_pos ),
369
doesNextLineLookFolded() );
323
return ByteBuffer.wrap( _content, initial_pos,
324
to - initial_pos );
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}
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// we didn't find one, but were there bytes left?
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int to = _pos;
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_pos++;
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_line++;
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return new ContentLine(
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ByteBuffer.wrap( _content, initial_pos,
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to - initial_pos ),
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doesNextLineLookFolded() );
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return ByteBuffer.wrap( _content, initial_pos,
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to - initial_pos );
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}
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// no bytes left
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* onto the end of this one?
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* @return
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*/
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private boolean doesNextLineLookFolded()
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public boolean doesNextLineLookFolded()
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{
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return _pos > 0 && _pos < _content.length &&
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_content[ _pos - 1 ] == '\n' &&
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373
private final static int MULTILINE_FOLDED = 3; // MIME-DIR folding
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private String _version = null;
423
private Vector< ContentLine > _content_lines = null;
376
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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boolean former )
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private String extractCollonPartFromLine( ByteBuffer buffer,
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String line, boolean former )
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{
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String ret = null;
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// get a US-ASCII version of the line for processing, unless we were
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// supplied with one
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if( line == null ) {
433
try {
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line = new String( buffer.array(), buffer.position(),
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buffer.limit() - buffer.position(), "US-ASCII" );
436
}
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catch( UnsupportedEncodingException e ) {
438
// we know US-ASCII is supported, so appease the compiler...
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line = "";
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}
441
}
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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
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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 )
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return parts[ former? 0 : 1 ].trim();
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return null;
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}
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private String extractNameAndParamsFromLine( ContentLine content_line )
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{
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return extractCollonPartFromLine( content_line, true );
487
}
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private String extractValueFromLine( ContentLine content_line )
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{
491
return extractCollonPartFromLine( content_line, false );
492
}
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public void parseLine( ContentLine content_line )
447
ret = parts[ former? 0 : 1 ];
448
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return ret;
450
}
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private String extractNameAndParamsFromLine( ByteBuffer buffer,
453
String line )
454
{
455
return extractCollonPartFromLine( buffer, line, true );
456
}
457
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private String extractValueFromLine( ByteBuffer buffer, String line )
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{
460
return extractCollonPartFromLine( buffer, line, false );
461
}
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public void parseLine( ByteBuffer buffer, String line,
464
boolean next_line_looks_folded )
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throws ParseException, SkipImportException,
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AbortImportException
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{
500
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{
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// tentatively get name and params from line
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String name_and_params =
503
extractNameAndParamsFromLine( content_line );
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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" ) )
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{
509
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// yes, get it!
510
String value = extractValueFromLine( content_line );
511
if( value == null || (
512
!value.equals( "2.1" ) && !value.equals( "3.0" ) ) )
513
{
480
String value = extractValueFromLine( buffer, line );
481
if( !value.equals( "2.1" ) && !value.equals( "3.0" ) )
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throw new ParseException( R.string.error_vcf_version );
515
}
516
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_version = value;
517
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// parse any buffers we've been accumulating while we waited
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// for a version
520
if( _content_lines != null )
521
for( int i = 0; i < _content_lines.size(); i++ )
522
parseLine( _content_lines.get( i ) );
523
_content_lines = null;
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if( _buffers != null )
488
for( int i = 0; i < _buffers.size(); i++ )
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parseLine( _buffers.get( i ), null,
490
i + 1 < _buffers.size() &&
491
_buffers.get( i + 1 ).hasRemaining() &&
492
_buffers.get( i + 1 ).get(
493
_buffers.get( i + 1 ).position() ) == ' ' );
494
_buffers = null;
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}
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else
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{
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// no, so stash this line till we get a version
528
if( _content_lines == null )
529
_content_lines = new Vector< ContentLine >();
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_content_lines.add( content_line );
499
if( _buffers == null )
500
_buffers = new Vector< ByteBuffer >();
501
_buffers.add( buffer );
531
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}
532
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}
533
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else
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// skip some initial line characters, depending on the type
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// of multi-line we're handling
548
pos = content_line.getBuffer().position();
519
pos = buffer.position();
549
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switch( _parser_multiline_state )
550
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{
551
522
case MULTILINE_FOLDED:
552
523
pos++;
553
524
break;
554
525
case MULTILINE_ENCODED:
555
while( pos < content_line.getBuffer().limit() && (
556
content_line.getBuffer().get( pos ) == ' ' ||
557
content_line.getBuffer().get( pos ) == '\t' ) )
526
while( pos < buffer.limit() && (
527
buffer.get( pos ) == ' ' ||
528
buffer.get( pos ) == '\t' ) )
558
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{
559
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pos++;
560
531
}
570
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else
571
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{
572
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// skip empty lines
573
if( content_line.getUsAsciiLine().trim().length() == 0 )
574
return;
544
if( line.trim().length() == 0 ) return;
575
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// get name and params from line, and since we're not
577
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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
579
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name_and_params =
580
extractNameAndParamsFromLine( content_line );
550
extractNameAndParamsFromLine( buffer, line );
581
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if( name_and_params == null )
582
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throw new ParseException(
583
553
R.string.error_vcf_malformed );
584
554
585
555
// calculate how many chars to skip from beginning of line
586
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// so we skip the property "name:" part
587
pos = content_line.getBuffer().position() +
588
name_and_params.length() + 1;
557
pos = buffer.position() + name_and_params.length() + 1;
589
558
590
559
// reset the saved multi-line state
591
560
_parser_current_name_and_params = name_and_params;
594
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595
564
// get value from buffer, as raw bytes
596
565
ByteBuffer value;
597
value = ByteBuffer.wrap( content_line.getBuffer().array(), pos,
598
content_line.getBuffer().limit() - pos );
566
value = ByteBuffer.wrap( buffer.array(), pos,
567
buffer.limit() - pos );
599
568
600
569
// get parameter parts
601
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String[] name_param_parts = name_and_params.split( ";", -1 );
689
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// if we know we're not in an encoding-based multi-line, check
690
659
// to see if we're in a folded multi-line
691
660
if( _parser_multiline_state == MULTILINE_NONE &&
692
content_line.doesNextLineLookFolded() )
661
next_line_looks_folded )
693
662
{
694
663
_parser_multiline_state = MULTILINE_FOLDED;
695
664
}
725
694
parseLABEL( name_param_parts, complete_value );
726
695
else if( name_param_parts[ 0 ].equalsIgnoreCase( "NOTE" ) )
727
696
parseNOTE( name_param_parts, complete_value );
728
else if( name_param_parts[ 0 ].equalsIgnoreCase( "BDAY" ) )
729
parseBDAY( name_param_parts, complete_value );
730
697
}
731
698
}
732
699
756
723
{
757
724
String str = parts.get( a );
758
725
759
// Look for parts that end in an escape character, but ignore
760
// the final part. We've already detected escape chars at the
726
// look for parts that end in an escape character, but ignore
727
// the final part. We've already detected escape chars at the
761
728
// end of the final part in parseLine() and handled multi-lines
762
729
// accordingly.
763
730
if( a < parts.size() - 1 &&
853
820
for( int b = 0; b < name_part_parts.length; b++ )
854
821
if( name_part_parts[ b ].length() > 0 )
855
822
{
856
if( value.length() > 0 ) value += " ";
823
if( value.length() == 0 ) value += " ";
857
824
value += name_part_parts[ b ];
858
825
}
859
826
}
1033
1000
addNote( unescapeValue( value ) );
1034
1001
}
1035
1002
1036
private void parseBDAY( String[] params, String value )
1037
{
1038
setBirthday( value );
1039
}
1040
1041
1003
public void finaliseVcard()
1042
1004
throws ParseException, ContactNotIdentifiableException
1043
1005
{
1044
1006
// missing version (and data is present)
1045
if( _version == null && _content_lines != null )
1007
if( _version == null && _buffers != null )
1046
1008
throw new ParseException( R.string.error_vcf_malformed );
1047
1009
1048
1010
// finalise the parent class
1051
1013
1052
1014
/**
1053
1015
* Amongst the params, find the value of the first, only, of any with
1054
* the specified name.
1055
*
1016
* the specified name
1056
1017
* @param params
1057
1018
* @param name
1058
1019
* @return a value, or null
1064
1025
}
1065
1026
1066
1027
/**
1067
* Amongst the params, find the values of any with the specified name.
1068
*
1028
* Amongst the params, find the values of any with the specified name
1069
1029
* @param params
1070
1030
* @param name
1071
1031
* @return an array of values, or null
1087
1047
}
1088
1048
1089
1049
/**
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.
1093
*
1050
* Amongst the params, return any type values present. For v2.1 vCards,
1051
* those types are just parameters. For v3.0, they are prefixed with
1052
* "TYPE=". There may also be multiple type parameters.
1094
1053
* @param params an array of params to look for types in
1095
1054
* @param valid_types an list of upper-case type values to look for
1096
1055
* @return a set of present type values
1148
1107
else if( ch == '=' && i == in.limit() - 1 )
1149
1108
{
1150
1109
// we found a '=' at the end of a line signifying a multi-
1151
// line string, so we don't add it
1110
// line string, so we don't add it.
1152
1111
another = true;
1153
1112
continue;
1154
1113
}
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