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