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.HostAuthCompat;
30import com.android.emailcommon.service.IEmailService;
31
32/**
33 * Base class for service-based stores
34 */
35public class ServiceStore extends Store {
36    protected final HostAuth mHostAuth;
37
38    /**
39     * Creates a new store for the given account.
40     */
41    public ServiceStore(Account account, Context context) throws MessagingException {
42        mContext = context;
43        mHostAuth = account.getOrCreateHostAuthRecv(mContext);
44    }
45
46    /**
47     * Static named constructor.
48     */
49    public static Store newInstance(Account account, Context context) throws MessagingException {
50        return new ServiceStore(account, context);
51    }
52
53    private IEmailService getService() {
54        return EmailServiceUtils.getService(mContext, mHostAuth.mProtocol);
55    }
56
57    @Override
58    public Bundle checkSettings() throws MessagingException {
59        /**
60         * Here's where we check the settings
61         * @throws MessagingException if we can't authenticate the account
62         */
63        try {
64            IEmailService svc = getService();
65            // Use a longer timeout for the validate command.  Note that the instanceof check
66            // shouldn't be necessary; we'll do it anyway, just to be safe
67            if (svc instanceof EmailServiceProxy) {
68                ((EmailServiceProxy)svc).setTimeout(90);
69            }
70            HostAuthCompat hostAuthCom = new HostAuthCompat(mHostAuth);
71            return svc.validate(hostAuthCom);
72        } catch (RemoteException e) {
73            throw new MessagingException("Call to validate generated an exception", e);
74        }
75    }
76
77    /**
78     * We handle AutoDiscover here, wrapping the EmailService call. The service call returns a
79     * HostAuth and we return null if there was a service issue
80     */
81    @Override
82    public Bundle autoDiscover(Context context, String username, String password) {
83        try {
84            return getService().autoDiscover(username, password);
85        } catch (RemoteException e) {
86            return null;
87        }
88    }
89}
90