1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.email.mail.store;
18
19import android.content.Context;
20import android.os.Bundle;
21import android.os.RemoteException;
22
23import com.android.email.mail.Store;
24import com.android.email.service.EmailServiceUtils;
25import com.android.emailcommon.mail.MessagingException;
26import com.android.emailcommon.provider.Account;
27import com.android.emailcommon.provider.HostAuth;
28import com.android.emailcommon.service.EmailServiceProxy;
29import com.android.emailcommon.service.IEmailService;
30
31/**
32 * Base class for service-based stores
33 */
34public class ServiceStore extends Store {
35    protected final HostAuth mHostAuth;
36
37    /**
38     * Creates a new store for the given account.
39     */
40    public ServiceStore(Account account, Context context) throws MessagingException {
41        mContext = context;
42        mHostAuth = account.getOrCreateHostAuthRecv(mContext);
43    }
44
45    /**
46     * Static named constructor.
47     */
48    public static Store newInstance(Account account, Context context) throws MessagingException {
49        return new ServiceStore(account, context);
50    }
51
52    private IEmailService getService() {
53        return EmailServiceUtils.getService(mContext, mHostAuth.mProtocol);
54    }
55
56    @Override
57    public Bundle checkSettings() throws MessagingException {
58        /**
59         * Here's where we check the settings
60         * @throws MessagingException if we can't authenticate the account
61         */
62        try {
63            IEmailService svc = getService();
64            // Use a longer timeout for the validate command.  Note that the instanceof check
65            // shouldn't be necessary; we'll do it anyway, just to be safe
66            if (svc instanceof EmailServiceProxy) {
67                ((EmailServiceProxy)svc).setTimeout(90);
68            }
69            return svc.validate(mHostAuth);
70        } catch (RemoteException e) {
71            throw new MessagingException("Call to validate generated an exception", e);
72        }
73    }
74
75    /**
76     * We handle AutoDiscover here, wrapping the EmailService call. The service call returns a
77     * HostAuth and we return null if there was a service issue
78     */
79    @Override
80    public Bundle autoDiscover(Context context, String username, String password) {
81        try {
82            return getService().autoDiscover(username, password);
83        } catch (RemoteException e) {
84            return null;
85        }
86    }
87}
88