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: src/am/ed/importcontacts/VcardImporter.java
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- Committer: edam
- Date: 2012-12-21 14:48:44 UTC
- Revision ID: tim@ed.am-20121221144844-licgvkppbjq4th4m
updated copyright dates and improved an error message
- files added:
- TODO
- files removed:
- res/drawable/family_pic.jpg
- 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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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.os.Environment;
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public class VcardImporter extends Importer
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{
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super( doit );
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}
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@SuppressLint( "SdCardPath" )
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@Override
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protected void onImport() throws AbortImportException
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{
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File[] files = null;
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try
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{
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// check SD card is mounted
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String state = Environment.getExternalStorageState();
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if( !Environment.MEDIA_MOUNTED.equals( state ) &&
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!Environment.MEDIA_MOUNTED_READ_ONLY.equals( state ) )
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{
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showError( R.string.error_nosdcard );
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}
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// open directory
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File file = new File( Environment.getExternalStorageDirectory(),
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prefs.getString( "location", "/" ) );
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String path = "/sdcard" + prefs.getString( "location", "/" );
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File file = new File( path );
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if( !file.exists() )
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showError( R.string.error_locationnotfound );
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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();
291
// 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
301
{
302
private ByteBuffer _buffer;
303
private boolean _folded_next;
304
private String _line;
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public ContentLine( ByteBuffer buffer, boolean folded_next )
307
{
308
_buffer = buffer;
309
_folded_next = folded_next;
310
_line = null;
311
}
312
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public ByteBuffer getBuffer()
314
{
315
return _buffer;
316
}
317
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public boolean doesNextLineLookFolded()
319
{
320
return _folded_next;
321
}
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public String getUsAsciiLine()
324
{
325
// generated line and cache it
326
if( _line == null ) {
327
try {
328
_line = new String( _buffer.array(), _buffer.position(),
329
_buffer.limit() - _buffer.position(), "US-ASCII" );
330
}
331
catch( UnsupportedEncodingException e ) {
332
// we know US-ASCII *is* supported, so appease the
333
// compiler...
334
}
335
}
336
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// return cached line
338
return _line;
339
}
340
}
341
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class ContentLineIterator implements Iterator< ContentLine >
292
class ContentLineIterator implements Iterator< ByteBuffer >
343
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{
344
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protected byte[] _content = null;
345
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protected int _pos = 0;
357
307
}
358
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@Override
360
public ContentLine next()
310
public ByteBuffer next()
361
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{
362
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int initial_pos = _pos;
363
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_pos > initial_pos )? _pos - 1 : _pos;
371
321
_pos++;
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_line++;
373
return new ContentLine(
374
ByteBuffer.wrap( _content, initial_pos,
375
to - initial_pos ),
376
doesNextLineLookFolded() );
323
return ByteBuffer.wrap( _content, initial_pos,
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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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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,
480
boolean former )
425
private String extractCollonPartFromLine( ByteBuffer buffer,
426
String line, boolean former )
481
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{
428
String ret = null;
429
430
// get a US-ASCII version of the line for processing, unless we were
431
// supplied with one
432
if( line == null ) {
433
try {
434
line = new String( buffer.array(), buffer.position(),
435
buffer.limit() - buffer.position(), "US-ASCII" );
436
}
437
catch( UnsupportedEncodingException e ) {
438
// we know US-ASCII is supported, so appease the compiler...
439
line = "";
440
}
441
}
442
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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 );
445
String[] parts = line.split( ":", 2 );
485
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if( parts.length == 2 && parts[ 0 ].length() > 0 )
486
return parts[ former? 0 : 1 ].trim();
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return null;
489
}
490
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private String extractNameAndParamsFromLine( ContentLine content_line )
492
{
493
return extractCollonPartFromLine( content_line, true );
494
}
495
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private String extractValueFromLine( ContentLine content_line )
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{
498
return extractCollonPartFromLine( content_line, false );
499
}
500
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public void parseLine( ContentLine content_line )
447
ret = parts[ former? 0 : 1 ];
448
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return ret;
450
}
451
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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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{
507
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{
508
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// tentatively get name and params from line
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String name_and_params =
510
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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{
516
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// yes, get it!
517
String value = extractValueFromLine( content_line );
518
if( value == null || (
519
!value.equals( "2.1" ) && !value.equals( "3.0" ) ) )
520
{
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 );
522
}
523
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_version = value;
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// parse any buffers we've been accumulating while we waited
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// for a version
527
if( _content_lines != null )
528
for( int i = 0; i < _content_lines.size(); i++ )
529
parseLine( _content_lines.get( i ) );
530
_content_lines = null;
487
if( _buffers != null )
488
for( int i = 0; i < _buffers.size(); i++ )
489
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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}
532
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else
533
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{
534
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// no, so stash this line till we get a version
535
if( _content_lines == null )
536
_content_lines = new Vector< ContentLine >();
537
_content_lines.add( content_line );
499
if( _buffers == null )
500
_buffers = new Vector< ByteBuffer >();
501
_buffers.add( buffer );
538
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}
539
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}
540
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else
552
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// skip some initial line characters, depending on the type
554
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// of multi-line we're handling
555
pos = content_line.getBuffer().position();
519
pos = buffer.position();
556
520
switch( _parser_multiline_state )
557
521
{
558
522
case MULTILINE_FOLDED:
559
523
pos++;
560
524
break;
561
525
case MULTILINE_ENCODED:
562
while( pos < content_line.getBuffer().limit() && (
563
content_line.getBuffer().get( pos ) == ' ' ||
564
content_line.getBuffer().get( pos ) == '\t' ) )
526
while( pos < buffer.limit() && (
527
buffer.get( pos ) == ' ' ||
528
buffer.get( pos ) == '\t' ) )
565
529
{
566
530
pos++;
567
531
}
577
541
else
578
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{
579
543
// skip empty lines
580
if( content_line.getUsAsciiLine().trim().length() == 0 )
581
return;
544
if( line.trim().length() == 0 ) return;
582
545
583
546
// get name and params from line, and since we're not
584
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// parsing a subsequent line in a multi-line, this should
585
548
// not fail, or it's an error
586
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name_and_params =
587
extractNameAndParamsFromLine( content_line );
550
extractNameAndParamsFromLine( buffer, line );
588
551
if( name_and_params == null )
589
552
throw new ParseException(
590
553
R.string.error_vcf_malformed );
591
554
592
555
// calculate how many chars to skip from beginning of line
593
556
// so we skip the property "name:" part
594
pos = content_line.getBuffer().position() +
595
name_and_params.length() + 1;
557
pos = buffer.position() + name_and_params.length() + 1;
596
558
597
559
// reset the saved multi-line state
598
560
_parser_current_name_and_params = name_and_params;
601
563
602
564
// get value from buffer, as raw bytes
603
565
ByteBuffer value;
604
value = ByteBuffer.wrap( content_line.getBuffer().array(), pos,
605
content_line.getBuffer().limit() - pos );
566
value = ByteBuffer.wrap( buffer.array(), pos,
567
buffer.limit() - pos );
606
568
607
569
// get parameter parts
608
570
String[] name_param_parts = name_and_params.split( ";", -1 );
696
658
// if we know we're not in an encoding-based multi-line, check
697
659
// to see if we're in a folded multi-line
698
660
if( _parser_multiline_state == MULTILINE_NONE &&
699
content_line.doesNextLineLookFolded() )
661
next_line_looks_folded )
700
662
{
701
663
_parser_multiline_state = MULTILINE_FOLDED;
702
664
}
732
694
parseLABEL( name_param_parts, complete_value );
733
695
else if( name_param_parts[ 0 ].equalsIgnoreCase( "NOTE" ) )
734
696
parseNOTE( name_param_parts, complete_value );
735
else if( name_param_parts[ 0 ].equalsIgnoreCase( "BDAY" ) )
736
parseBDAY( name_param_parts, complete_value );
737
697
}
738
698
}
739
699
763
723
{
764
724
String str = parts.get( a );
765
725
766
// Look for parts that end in an escape character, but ignore
767
// 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
768
728
// end of the final part in parseLine() and handled multi-lines
769
729
// accordingly.
770
730
if( a < parts.size() - 1 &&
860
820
for( int b = 0; b < name_part_parts.length; b++ )
861
821
if( name_part_parts[ b ].length() > 0 )
862
822
{
863
if( value.length() > 0 ) value += " ";
823
if( value.length() == 0 ) value += " ";
864
824
value += name_part_parts[ b ];
865
825
}
866
826
}
1040
1000
addNote( unescapeValue( value ) );
1041
1001
}
1042
1002
1043
private void parseBDAY( String[] params, String value )
1044
{
1045
setBirthday( value );
1046
}
1047
1048
1003
public void finaliseVcard()
1049
1004
throws ParseException, ContactNotIdentifiableException
1050
1005
{
1051
1006
// missing version (and data is present)
1052
if( _version == null && _content_lines != null )
1007
if( _version == null && _buffers != null )
1053
1008
throw new ParseException( R.string.error_vcf_malformed );
1054
1009
1055
1010
// finalise the parent class
1058
1013
1059
1014
/**
1060
1015
* Amongst the params, find the value of the first, only, of any with
1061
* the specified name.
1062
*
1016
* the specified name
1063
1017
* @param params
1064
1018
* @param name
1065
1019
* @return a value, or null
1071
1025
}
1072
1026
1073
1027
/**
1074
* Amongst the params, find the values of any with the specified name.
1075
*
1028
* Amongst the params, find the values of any with the specified name
1076
1029
* @param params
1077
1030
* @param name
1078
1031
* @return an array of values, or null
1094
1047
}
1095
1048
1096
1049
/**
1097
* Amongst the params, return any type values present. For v2.1 vCards,
1098
* those types are just parameters. For v3.0, they are prefixed with
1099
* "TYPE=". There may also be multiple type parameters.
1100
*
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.
1101
1053
* @param params an array of params to look for types in
1102
1054
* @param valid_types an list of upper-case type values to look for
1103
1055
* @return a set of present type values
1155
1107
else if( ch == '=' && i == in.limit() - 1 )
1156
1108
{
1157
1109
// we found a '=' at the end of a line signifying a multi-
1158
// line string, so we don't add it
1110
// line string, so we don't add it.
1159
1111
another = true;
1160
1112
continue;
1161
1113
}
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