| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.exchange.provider; |
| |
| import com.android.exchange.EasSyncService; |
| import com.android.exchange.provider.GalResult.GalData; |
| |
| import android.content.ContentProvider; |
| import android.content.ContentValues; |
| import android.content.UriMatcher; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.net.Uri; |
| import android.os.Bundle; |
| |
| /** |
| * ExchangeProvider provides real-time data from the Exchange server; at the moment, it is used |
| * solely to provide GAL (Global Address Lookup) service to email address adapters |
| */ |
| public class ExchangeProvider extends ContentProvider { |
| public static final String EXCHANGE_AUTHORITY = "com.android.exchange.provider"; |
| public static final Uri GAL_URI = Uri.parse("content://" + EXCHANGE_AUTHORITY + "/gal/"); |
| |
| private static final int GAL_BASE = 0; |
| private static final int GAL_FILTER = GAL_BASE; |
| |
| public static final String[] GAL_PROJECTION = new String[] {"_id", "displayName", "data"}; |
| public static final int GAL_COLUMN_ID = 0; |
| public static final int GAL_COLUMN_DISPLAYNAME = 1; |
| public static final int GAL_COLUMN_DATA = 2; |
| |
| public static final String EXTRAS_TOTAL_RESULTS = "com.android.exchange.provider.TOTAL_RESULTS"; |
| |
| private static final UriMatcher sURIMatcher = new UriMatcher(UriMatcher.NO_MATCH); |
| |
| static { |
| // Exchange URI matching table |
| UriMatcher matcher = sURIMatcher; |
| // The URI for GAL lookup contains three user-supplied parameters in the path: |
| // 1) the account id of the Exchange account |
| // 2) the constraint (filter) text |
| matcher.addURI(EXCHANGE_AUTHORITY, "gal/*/*", GAL_FILTER); |
| } |
| |
| private static void addGalDataRow(MatrixCursor mc, long id, String name, String address) { |
| mc.newRow().add(id).add(name).add(address); |
| } |
| |
| @Override |
| public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, |
| String sortOrder) { |
| int match = sURIMatcher.match(uri); |
| switch (match) { |
| case GAL_FILTER: |
| long accountId = -1; |
| // Pull out our parameters |
| MatrixCursorExtras c = new MatrixCursorExtras(GAL_PROJECTION); |
| String accountIdString = uri.getPathSegments().get(1); |
| String filter = uri.getPathSegments().get(2); |
| // Make sure we get a valid id; otherwise throw an exception |
| try { |
| accountId = Long.parseLong(accountIdString); |
| } catch (NumberFormatException e) { |
| throw new IllegalArgumentException("Illegal value in URI"); |
| } |
| // Get results from the Exchange account |
| GalResult galResult = EasSyncService.searchGal(getContext(), accountId, filter); |
| if (galResult != null) { |
| for (GalData data : galResult.galData) { |
| addGalDataRow(c, data._id, data.displayName, data.emailAddress); |
| } |
| // Use cursor side channel to report metadata |
| final Bundle bundle = new Bundle(); |
| bundle.putInt(EXTRAS_TOTAL_RESULTS, galResult.total); |
| c.setExtras(bundle); |
| } |
| return c; |
| default: |
| throw new IllegalArgumentException("Unknown URI " + uri); |
| } |
| } |
| |
| @Override |
| public int delete(Uri uri, String selection, String[] selectionArgs) { |
| return -1; |
| } |
| |
| @Override |
| public String getType(Uri uri) { |
| return "vnd.android.cursor.dir/gal-entry"; |
| } |
| |
| @Override |
| public Uri insert(Uri uri, ContentValues values) { |
| return null; |
| } |
| |
| @Override |
| public boolean onCreate() { |
| return false; |
| } |
| |
| @Override |
| public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { |
| return -1; |
| } |
| |
| /** |
| * A simple extension to MatrixCursor that supports extras |
| */ |
| private static class MatrixCursorExtras extends MatrixCursor { |
| |
| private Bundle mExtras; |
| |
| public MatrixCursorExtras(String[] columnNames) { |
| super(columnNames); |
| mExtras = null; |
| } |
| |
| public void setExtras(Bundle extras) { |
| mExtras = extras; |
| } |
| |
| @Override |
| public Bundle getExtras() { |
| return mExtras; |
| } |
| } |
| } |