src/eu/alefzero/owncloud/syncadapter/ContactSyncAdapter.java

   1 package eu.alefzero.owncloud.syncadapter;
   2
   3 import java.io.FileInputStream;
   4 import java.io.FileNotFoundException;
   5 import java.io.IOException;
   6
   7 import android.accounts.Account;
   8 import android.content.ContentProviderClient;
   9 import android.content.Context;
  10 import android.content.SyncResult;
  11 import android.content.res.AssetFileDescriptor;
  12 import android.database.Cursor;
  13 import android.net.Uri;
  14 import android.os.Bundle;
  15 import android.provider.ContactsContract;
  16 import android.util.Log;
  17
  18 public class ContactSyncAdapter extends AbstractOwnCloudSyncAdapter {
  19
  20         private static final String TAG = "ContactSyncAdapter";
  21
  22         public ContactSyncAdapter(Context context, boolean autoInitialize) {
  23                 super(context, autoInitialize);
  24         }
  25
  26         @Override
  27         public synchronized void onPerformSync(
  28                         Account account,
  29                         Bundle extras,
  30                         String authority,
  31                         ContentProviderClient provider,
  32                         SyncResult syncResult) {
  33
  34                 this.setAccount(account);
  35                 this.setContentProvider(provider);
  36
  37                 // TODO find all contacts on ownCloud that not synced or the sync date is behind than the last sync date
  38                 Cursor cursor = getContacts();
  39                 if (cursor != null && cursor.getCount() > 0) {
  40                         while (cursor.moveToNext()) {
  41                                 String id = cursor.getString(
  42                                                 cursor.getColumnIndex(ContactsContract.Contacts._ID));
  43                                 String lookup = cursor.getString(
  44                                                 cursor.getColumnIndex(ContactsContract.Contacts.LOOKUP_KEY));
  45                                 Log.d(TAG, "Found Contact id: " + id + " with lookupkey: "+lookup);
  46
  47                                 try {
  48                                         FileInputStream fis = getContactVcard(lookup);
  49                                         // TODO make a webdav request based on the stream
  50                                         // TODO send request to the ownCloud server
  51                                         // TODO mark the current contact as synced - where to store?
  52                                         fis.close();
  53                                 } catch (IOException e) {
  54                                         // TODO Auto-generated catch block
  55                                         e.printStackTrace();
  56                                 }
  57                         }
  58                 }
  59
  60         }
  61
  62         /**
  63          * Returns the vCard based on the LookupKey for Contact as Stream
  64          *
  65          * @param lookupKey
  66          * @return
  67          * @throws IOException
  68          */
  69         private FileInputStream getContactVcard(String lookupKey) throws IOException {
  70                 Uri uri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_VCARD_URI, lookupKey);
  71                 AssetFileDescriptor fd = getContext().getContentResolver().openAssetFileDescriptor(uri, "r");
  72                 return fd.createInputStream();
  73         }
  74
  75         /**
  76          * Obtains the contact list.
  77          *
  78          * @return A cursor for for accessing the contact list.
  79          */
  80         private Cursor getContacts()
  81         {
  82                 // Run query
  83                 Uri uri = ContactsContract.Contacts.CONTENT_URI;
  84                 String[] projection = new String[] {
  85                                 ContactsContract.Contacts._ID,
  86                                 ContactsContract.Contacts.LOOKUP_KEY
  87                 };
  88
  89                 boolean showInvisible = false;
  90                 String selection = ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '" +
  91                                 (showInvisible ? "0" : "1") + "'";
  92                 String[] selectionArgs = null;
  93                 String sortOrder = ContactsContract.Contacts._ID + " DESC";
  94
  95                 return getContext().getContentResolver().query(uri, projection, selection, selectionArgs, sortOrder);
  96         }
  97
  98 }