1/*
2 * Copyright (C) 2008 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.internal.telephony;
18
19public abstract class SmsAddress {
20    // From TS 23.040 9.1.2.5 and TS 24.008 table 10.5.118
21    // and C.S0005-D table 2.7.1.3.2.4-2
22    public static final int TON_UNKNOWN = 0;
23    public static final int TON_INTERNATIONAL = 1;
24    public static final int TON_NATIONAL = 2;
25    public static final int TON_NETWORK = 3;
26    public static final int TON_SUBSCRIBER = 4;
27    public static final int TON_ALPHANUMERIC = 5;
28    public static final int TON_ABBREVIATED = 6;
29
30    public int ton;
31    public String address;
32    public byte[] origBytes;
33
34    /**
35     * Returns the address of the SMS message in String form or null if unavailable
36     */
37    public String getAddressString() {
38        return address;
39    }
40
41    /**
42     * Returns true if this is an alphanumeric address
43     */
44    public boolean isAlphanumeric() {
45        return ton == TON_ALPHANUMERIC;
46    }
47
48    /**
49     * Returns true if this is a network address
50     */
51    public boolean isNetworkSpecific() {
52        return ton == TON_NETWORK;
53    }
54
55    public boolean couldBeEmailGateway() {
56        // Some carriers seems to send email gateway messages in this form:
57        // from: an UNKNOWN TON, 3 or 4 digits long, beginning with a 5
58        // PID: 0x00, Data coding scheme 0x03
59        // So we just attempt to treat any message from an address length <= 4
60        // as an email gateway
61
62        return address.length() <= 4;
63    }
64
65}
66