10825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville/* 20825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Copyright (C) 2008 The Android Open Source Project 30825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 40825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Licensed under the Apache License, Version 2.0 (the "License"); 50825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * you may not use this file except in compliance with the License. 60825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * You may obtain a copy of the License at 70825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 80825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * http://www.apache.org/licenses/LICENSE-2.0 90825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 100825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Unless required by applicable law or agreed to in writing, software 110825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * distributed under the License is distributed on an "AS IS" BASIS, 120825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * See the License for the specific language governing permissions and 140825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * limitations under the License. 150825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 160825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 170825495a331bb44df395a0cdb79fab85e68db5d5Wink Savillepackage com.android.internal.telephony.cdma.sms; 180825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 190825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport android.util.SparseIntArray; 200825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 210825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.telephony.SmsHeader; 220825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport com.android.internal.util.HexDump; 230825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 240825495a331bb44df395a0cdb79fab85e68db5d5Wink Savillepublic class UserData { 250825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 260825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 270825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * User data encoding types. 280825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * (See 3GPP2 C.R1001-F, v1.0, table 9.1-1) 290825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 300825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_OCTET = 0x00; 310825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_IS91_EXTENDED_PROTOCOL = 0x01; 320825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_7BIT_ASCII = 0x02; 330825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_IA5 = 0x03; 340825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_UNICODE_16 = 0x04; 350825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_SHIFT_JIS = 0x05; 360825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_KOREAN = 0x06; 370825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_LATIN_HEBREW = 0x07; 380825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_LATIN = 0x08; 390825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_GSM_7BIT_ALPHABET = 0x09; 400825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ENCODING_GSM_DCS = 0x0A; 410825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 420825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 430825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * IS-91 message types. 440825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * (See TIA/EIS/IS-91-A-ENGL 1999, table 3.7.1.1-3) 450825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 460825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int IS91_MSG_TYPE_VOICEMAIL_STATUS = 0x82; 470825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int IS91_MSG_TYPE_SHORT_MESSAGE_FULL = 0x83; 480825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int IS91_MSG_TYPE_CLI = 0x84; 490825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int IS91_MSG_TYPE_SHORT_MESSAGE = 0x85; 500825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 510825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 520825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * US ASCII character mapping table. 530825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 540825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * This table contains only the printable ASCII characters, with a 550825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 0x20 offset, meaning that the ASCII SPACE character is at index 560825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 0, with the resulting code of 0x20. 570825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 580825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Note this mapping is also equivalent to that used by both the 590825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * IA5 and the IS-91 encodings. For the former this is defined 600825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * using CCITT Rec. T.50 Tables 1 and 3. For the latter IS 637 B, 610825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Table 4.3.1.4.1-1 -- and note the encoding uses only 6 bits, 620825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * and hence only maps entries up to the '_' character. 630825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 640825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 650825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final char[] ASCII_MAP = { 660825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville ' ', '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/', 670825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', 680825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 690825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^', '_', 700825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 710825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~'}; 720825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 730825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 740825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Character to use when forced to encode otherwise unencodable 750825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * characters, meaning those not in the respective ASCII or GSM 760825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 7-bit encoding tables. Current choice is SPACE, which is 0x20 770825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * in both the GSM-7bit and ASCII-7bit encodings. 780825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 790825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville static final byte UNENCODABLE_7_BIT_CHAR = 0x20; 800825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 810825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 820825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Only elements between these indices in the ASCII table are printable. 830825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 840825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int PRINTABLE_ASCII_MIN_INDEX = 0x20; 850825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ASCII_NL_INDEX = 0x0A; 860825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ASCII_CR_INDEX = 0x0D; 870825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final SparseIntArray charToAscii = new SparseIntArray(); 880825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville static { 890825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville for (int i = 0; i < ASCII_MAP.length; i++) { 900825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville charToAscii.put(ASCII_MAP[i], PRINTABLE_ASCII_MIN_INDEX + i); 910825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 920825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville charToAscii.put('\n', ASCII_NL_INDEX); 930825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville charToAscii.put('\r', ASCII_CR_INDEX); 940825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 950825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 960825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /* 970825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * TODO(cleanup): Move this very generic functionality somewhere 980825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * more general. 990825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1000825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 1010825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Given a string generate a corresponding ASCII-encoded byte 1020825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * array, but limited to printable characters. If the input 1030825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * contains unprintable characters, return null. 1040825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1050825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static byte[] stringToAscii(String str) { 1060825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville int len = str.length(); 1070825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville byte[] result = new byte[len]; 1080825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville for (int i = 0; i < len; i++) { 1090825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville int charCode = charToAscii.get(str.charAt(i), -1); 1100825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville if (charCode == -1) return null; 1110825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville result[i] = (byte)charCode; 1120825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 1130825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville return result; 1140825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 1150825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1160825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 1170825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Mapping for ASCII values less than 32 are flow control signals 1180825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * and not used here. 1190825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1200825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ASCII_MAP_BASE_INDEX = 0x20; 1210825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public static final int ASCII_MAP_MAX_INDEX = ASCII_MAP_BASE_INDEX + ASCII_MAP.length - 1; 1220825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1230825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 1240825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Contains the data header of the user data 1250825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1260825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public SmsHeader userDataHeader; 1270825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1280825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 1290825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Contains the data encoding type for the SMS message 1300825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1310825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public int msgEncoding; 1320825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public boolean msgEncodingSet = false; 1330825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1340825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public int msgType; 1350825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1360825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 1370825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Number of invalid bits in the last byte of data. 1380825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1390825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public int paddingBits; 1400825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1410825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public int numFields; 1420825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1430825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 1440825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Contains the user data of a SMS message 1450825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * (See 3GPP2 C.S0015-B, v2, 4.5.2) 1460825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 1470825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public byte[] payload; 1480825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public String payloadStr; 1490825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1500825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville @Override 1510825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public String toString() { 1520825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville StringBuilder builder = new StringBuilder(); 1530825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append("UserData "); 1540825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append("{ msgEncoding=" + (msgEncodingSet ? msgEncoding : "unset")); 1550825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", msgType=" + msgType); 1560825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", paddingBits=" + paddingBits); 1570825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", numFields=" + numFields); 1580825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", userDataHeader=" + userDataHeader); 1590825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", payload='" + HexDump.toHexString(payload) + "'"); 1600825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", payloadStr='" + payloadStr + "'"); 1610825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(" }"); 1620825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville return builder.toString(); 1630825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 1640825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 1650825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville} 166