Example usage for android.content ContentProvider query

Introduction

In this page you can find the example usage for android.content ContentProvider query.

Prototype

public abstract @Nullable Cursor query(@NonNull Uri uri, @Nullable String[] projection,
        @Nullable String selection, @Nullable String[] selectionArgs, @Nullable String sortOrder);

Source Link

Document

Implement this to handle query requests from clients.

Usage

From source file:com.android.providers.contacts.ContactsSyncAdapter.java

protected static Cursor getCursorForTableImpl(ContentProvider cp, Class entryClass) {
    if (entryClass == ContactEntry.class) {
        return cp.query(People.CONTENT_URI, null, null, null, null);
    }//from   w  ww. j a  v  a2s.  co m
    if (entryClass == GroupEntry.class) {
        return cp.query(Groups.CONTENT_URI, null, null, null, null);
    }
    throw new IllegalArgumentException("unexpected entry class, " + entryClass.getName());
}

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From source file:com.android.providers.contacts.ContactsSyncAdapter.java

protected static Cursor getCursorForDeletedTableImpl(ContentProvider cp, Class entryClass) {
    if (entryClass == ContactEntry.class) {
        return cp.query(People.DELETED_CONTENT_URI, null, null, null, null);
    }// w  ww .j  a v a  2s. co m
    if (entryClass == GroupEntry.class) {
        return cp.query(Groups.DELETED_CONTENT_URI, null, null, null, null);
    }
    throw new IllegalArgumentException("unexpected entry class, " + entryClass.getName());
}

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From source file:com.android.providers.contacts.ContactsSyncAdapter.java

protected void sendClientPhotos(SyncContext context, ContentProvider clientDiffs, Object syncInfo,
        SyncResult syncResult) {//from w  w w  .  j av a2 s . c o  m
    Entry entry = new MediaEntry();

    GDataServiceClient client = getGDataServiceClient();
    String authToken = getAuthToken();
    ContentResolver cr = getContext().getContentResolver();
    final String account = getAccount();

    Cursor c = clientDiffs.query(Photos.CONTENT_URI, null /* all columns */, null /* no where */,
            null /* no where args */, null /* default sort order */);
    try {
        int personColumn = c.getColumnIndexOrThrow(Photos.PERSON_ID);
        int dataColumn = c.getColumnIndexOrThrow(Photos.DATA);
        int numRows = c.getCount();
        while (c.moveToNext()) {
            if (mSyncCanceled) {
                if (Config.LOGD)
                    Log.d(TAG, "stopping since the sync was canceled");
                break;
            }

            entry.clear();
            context.setStatusText("Updating, " + (numRows - 1) + " to go");

            cursorToBaseEntry(entry, account, c);
            String editUrl = entry.getEditUri();

            if (TextUtils.isEmpty(editUrl)) {
                if (Config.LOGD) {
                    Log.d(TAG, "skipping photo edit for unsynced contact");
                }
                continue;
            }

            // Send the request and receive the response
            InputStream inputStream = null;
            byte[] imageData = c.getBlob(dataColumn);
            if (imageData != null) {
                inputStream = new ByteArrayInputStream(imageData);
            }
            Uri photoUri = Uri.withAppendedPath(People.CONTENT_URI,
                    c.getString(personColumn) + "/" + Photos.CONTENT_DIRECTORY);
            try {
                if (inputStream != null) {
                    if (Log.isLoggable(TAG, Log.VERBOSE)) {
                        Log.v(TAG, "Updating photo " + entry.toString());
                    }
                    ++mPhotoUploads;
                    client.updateMediaEntry(editUrl, inputStream, IMAGE_MIME_TYPE, authToken);
                } else {
                    if (Log.isLoggable(TAG, Log.VERBOSE)) {
                        Log.v(TAG, "Deleting photo " + entry.toString());
                    }
                    client.deleteEntry(editUrl, authToken);
                }

                // Mark that this photo is no longer dirty. The next time we sync (which
                // should be soon), we will get the new version of the photo and whether
                // or not there is a new one to download (e.g. if we deleted our version
                // yet there is an evergreen version present).
                ContentValues values = new ContentValues();
                values.put(Photos.EXISTS_ON_SERVER, inputStream == null ? 0 : 1);
                values.put(Photos._SYNC_DIRTY, 0);
                if (cr.update(photoUri, values, null /* no where */, null /* no where args */) != 1) {
                    Log.e(TAG, "error updating photo " + photoUri + " with values " + values);
                    syncResult.stats.numParseExceptions++;
                } else {
                    syncResult.stats.numUpdates++;
                }
                continue;
            } catch (ParseException e) {
                Log.e(TAG, "parse error during update of " + ", skipping");
                syncResult.stats.numParseExceptions++;
            } catch (IOException e) {
                if (Config.LOGD) {
                    Log.d(TAG, "io error during update of " + entry.toString() + ", skipping");
                }
                syncResult.stats.numIoExceptions++;
            } catch (HttpException e) {
                switch (e.getStatusCode()) {
                case HttpException.SC_UNAUTHORIZED:
                    if (syncResult.stats.numAuthExceptions == 0) {
                        if (Config.LOGD) {
                            Log.d(TAG, "auth error during update of " + entry + ", skipping");
                        }
                    }
                    syncResult.stats.numAuthExceptions++;
                    try {
                        GoogleLoginServiceBlockingHelper.invalidateAuthToken(getContext(), authToken);
                    } catch (GoogleLoginServiceNotFoundException e1) {
                        if (Config.LOGD) {
                            Log.d(TAG, "could not invalidate auth token", e1);
                        }
                    }
                    return;

                case HttpException.SC_CONFLICT:
                    if (Config.LOGD) {
                        Log.d(TAG, "conflict detected during update of " + entry + ", skipping");
                    }
                    syncResult.stats.numConflictDetectedExceptions++;
                    break;
                case HttpException.SC_BAD_REQUEST:
                case HttpException.SC_FORBIDDEN:
                case HttpException.SC_NOT_FOUND:
                case HttpException.SC_INTERNAL_SERVER_ERROR:
                default:
                    if (Config.LOGD) {
                        Log.d(TAG, "error " + e.getMessage() + " during update of " + entry.toString()
                                + ", skipping");
                    }
                    syncResult.stats.numIoExceptions++;
                }
            }
        }
    } finally {
        c.close();
    }
}

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