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: src/org/waxworlds/edam/exportcontacts/VcardExporter.java
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- Committer: edam
- Date: 2010-07-04 14:54:18 UTC
- Revision ID: edam@waxworlds.org-20100704145418-vcpya2sxsop0dlrq
- initial checkin
- copied intro and basic vcf-configure activities from import-contacts
- copied WizzardActivity class from import-contacts
- copied intro and basic vcf-configure activities from import-contacts
- copied WizzardActivity class from import-contacts
- files added:
- res/drawable/icon.png
- files removed:
- COPYING
- files modified:
- AndroidManifest.xml
added
removed
src/org/waxworlds/edam/exportcontacts/VcardExporter.java
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/*
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* Exporter.java
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*
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* Copyright (C) 2011 Tim Marston <edam@waxworlds.org>
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*
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* This file is part of the Export Contacts program (hereafter referred
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* to as "this program"). For more information, see
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* http://www.waxworlds.org/edam/software/android/export-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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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.waxworlds.edam.exportcontacts;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.AbstractCollection;
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import java.util.ArrayList;
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import java.util.Iterator;
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import android.content.SharedPreferences;
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import android.provider.Contacts;
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public class VcardExporter extends Exporter
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{
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protected FileOutputStream _ostream = null;
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public VcardExporter( Doit doit )
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{
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super( doit );
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}
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@Override
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protected void preExport() throws AbortExportException
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{
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SharedPreferences prefs = getSharedPreferences();
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// create output filename
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String filename = prefs.getString( "filename", "android-contacts.vcf" );
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File file = new File( "/sdcard" + prefs.getString( "location", "/" ) +
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filename );
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// check if the output file already exists
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if( file.exists() && file.length() > 0 )
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showContinue( R.string.error_vcf_exists );
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// open file
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try {
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_ostream = new FileOutputStream( file );
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}
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catch( FileNotFoundException e ) {
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showError( R.string.error_filenotfound );
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}
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}
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/**
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* Do line folding at 75 chars
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* @param raw string
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* @return folded string
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*/
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private String fold( String line )
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{
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StringBuilder ret = new StringBuilder( line.length() );
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// keep pulling off the first line's worth of chars, while the string is
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// still longer than a line should be
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while( line.length() > 75 )
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{
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// length of the line we'll be pulling off
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int len = 75;
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// count how many backslashes would be at the end of the line we're
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// pulling off
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int count = 0;
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for( int a = len - 1; a >= 0; a-- )
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if( line.charAt( a ) == '\\' )
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count++;
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else
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break;
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// if there would be an odd number of slashes at the end of the line
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// then pull off one fewer characters so that we don't break apart
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// escape sequences
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if( count % 2 == 1 )
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len--;
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// pull off the line and add it to the output, folded
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ret.append( line.substring( 0, len ) + "\n " );
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line = line.substring( len );
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}
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// add any remaining data
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ret.append( line );
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return ret.toString();
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}
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/**
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* Do unsafe character escaping
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* @param raw string
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* @return escaped string
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*/
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private String escape( String str )
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{
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StringBuilder ret = new StringBuilder( str.length() );
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for( int a = 0; a < str.length(); a++ )
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{
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int c = str.codePointAt( a );
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switch( c )
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{
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case '\n':
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// append escaped newline
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ret.append( "\\n" );
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break;
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case ',':
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case ';':
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case '\\':
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// append return character
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ret.append( '\\' );
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// fall through
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default:
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// append character
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ret.append( Character.toChars( c ) );
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}
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}
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return ret.toString();
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}
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/**
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* join
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*/
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@SuppressWarnings( "rawtypes" )
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public static String join( AbstractCollection s, String delimiter)
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{
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StringBuffer buffer = new StringBuffer();
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Iterator iter = s.iterator();
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if( iter.hasNext() ) {
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buffer.append( iter.next() );
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while( iter.hasNext() ) {
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buffer.append( delimiter );
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buffer.append( iter.next() );
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}
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}
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return buffer.toString();
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}
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@Override
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protected boolean exportContact( ContactData contact )
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throws AbortExportException
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{
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StringBuilder out = new StringBuilder();
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// skip if the contact has no identifiable features
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if( contact.getPrimaryIdentifier() == null )
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return false;
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// append header
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out.append( "VCARD:BEGIN\n" );
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out.append( "VERSION:3.0\n" );
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// append formatted name
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String name = contact.getName();
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if( name == null ) name = "";
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out.append( fold( "FN:" + escape( name ) ) + "\n" );
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// append name
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String[] bits = name.split( " +" );
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StringBuilder tmp = new StringBuilder();
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for( int a = 1; a < bits.length - 1; a++ ) {
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if( a > 1 ) tmp.append( " " );
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tmp.append( escape( bits[ a ] ) );
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}
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String value = escape( bits[ bits.length - 1 ] ) + ";" +
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( bits.length > 1? escape( bits[ 0 ] ) : "" ) + ";" +
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tmp.toString() + ";;";
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out.append( fold( "N:" + value ) + "\n" );
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// append organisations and titles
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ArrayList< Exporter.ContactData.OrganisationDetail > organisations =
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contact.getOrganisations();
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if( organisations != null ) {
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for( int a = 0; a < organisations.size(); a++ ) {
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if( organisations.get( a ).getOrganisation() != null )
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out.append( fold( "ORG:" + escape(
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organisations.get( a ).getOrganisation() ) ) + "\n" );
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if( organisations.get( a ).getTitle() != null )
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out.append( fold( "TITLE:" + escape(
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organisations.get( a ).getTitle() ) ) + "\n" );
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}
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}
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// append phone numbers
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ArrayList< Exporter.ContactData.NumberDetail > numbers =
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contact.getNumbers();
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if( numbers != null ) {
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for( int a = 0; a < numbers.size(); a++ ) {
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ArrayList< String > types = new ArrayList< String >();
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switch( numbers.get( a ).getType() ) {
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case Contacts.Phones.TYPE_HOME:
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types.add( "VOICE" ); types.add( "HOME" ); break;
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case Contacts.Phones.TYPE_WORK:
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types.add( "VOICE" ); types.add( "WORK" ); break;
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case Contacts.Phones.TYPE_FAX_HOME:
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types.add( "FAX" ); types.add( "HOME" ); break;
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case Contacts.Phones.TYPE_FAX_WORK:
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types.add( "FAX" ); types.add( "WORK" ); break;
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case Contacts.Phones.TYPE_PAGER:
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types.add( "PAGER" ); break;
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case Contacts.Phones.TYPE_MOBILE:
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types.add( "VOICE" ); types.add( "CELL" ); break;
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}
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if( a == 0 ) types.add( "PREF" );
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out.append( fold( "TEL" +
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( types.size() > 0? ";TYPE=" + join( types, "," ) : "" ) +
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":" + escape( numbers.get( a ).getNumber() ) ) + "\n" );
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}
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}
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// append email addresses
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ArrayList< Exporter.ContactData.EmailDetail > emails =
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contact.getEmails();
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if( emails != null ) {
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for( int a = 0; a < emails.size(); a++ ) {
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ArrayList< String > types = new ArrayList< String >();
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types.add( "INTERNET" );
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switch( emails.get( a ).getType() ) {
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case Contacts.ContactMethods.TYPE_HOME:
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types.add( "HOME" ); break;
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case Contacts.ContactMethods.TYPE_WORK:
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types.add( "WORK" ); break;
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}
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out.append( fold( "EMAIL" +
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( types.size() > 0? ";TYPE=" + join( types, "," ) : "" ) +
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":" + escape( emails.get( a ).getEmail() ) ) + "\n" );
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}
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}
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// append addresses
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ArrayList< Exporter.ContactData.AddressDetail > addresses =
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contact.getAddresses();
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if( addresses != null ) {
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for( int a = 0; a < addresses.size(); a++ ) {
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ArrayList< String > types = new ArrayList< String >();
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types.add( "POSTAL" );
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switch( addresses.get( a ).getType() ) {
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case Contacts.ContactMethods.TYPE_HOME:
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types.add( "HOME" ); break;
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case Contacts.ContactMethods.TYPE_WORK:
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types.add( "WORK" ); break;
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}
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out.append( fold( "LABEL" +
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( types.size() > 0? ";TYPE=" + join( types, "," ) : "" ) +
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":" + escape( addresses.get( a ).getAddress() ) ) + "\n" );
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}
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}
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// append footer
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out.append( "VCARD:END\n" );
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// write to file
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try {
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_ostream.write( out.toString().getBytes() );
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_ostream.flush();
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}
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catch( IOException e ) {
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showError( R.string.error_ioerror );
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}
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return true;
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}
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}
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