| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.telephony.cdma.sms; |
| |
| import android.compat.annotation.UnsupportedAppUsage; |
| import android.util.SparseBooleanArray; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.telephony.SmsAddress; |
| import com.android.internal.util.HexDump; |
| |
| public class CdmaSmsAddress extends SmsAddress { |
| |
| /** |
| * Digit Mode Indicator is a 1-bit value that indicates whether |
| * the address digits are 4-bit DTMF codes or 8-bit codes. (See |
| * 3GPP2 C.S0015-B, v2, 3.4.3.3) |
| */ |
| static public final int DIGIT_MODE_4BIT_DTMF = 0x00; |
| static public final int DIGIT_MODE_8BIT_CHAR = 0x01; |
| |
| @UnsupportedAppUsage |
| public int digitMode; |
| |
| /** |
| * Number Mode Indicator is 1-bit value that indicates whether the |
| * address type is a data network address or not. (See 3GPP2 |
| * C.S0015-B, v2, 3.4.3.3) |
| */ |
| static public final int NUMBER_MODE_NOT_DATA_NETWORK = 0x00; |
| static public final int NUMBER_MODE_DATA_NETWORK = 0x01; |
| |
| @UnsupportedAppUsage |
| public int numberMode; |
| |
| /** |
| * Number Types for data networks. |
| * (See 3GPP2 C.S005-D, table2.7.1.3.2.4-2 for complete table) |
| * (See 3GPP2 C.S0015-B, v2, 3.4.3.3 for data network subset) |
| * NOTE: value is stored in the parent class ton field. |
| */ |
| static public final int TON_UNKNOWN = 0x00; |
| static public final int TON_INTERNATIONAL_OR_IP = 0x01; |
| static public final int TON_NATIONAL_OR_EMAIL = 0x02; |
| static public final int TON_NETWORK = 0x03; |
| static public final int TON_SUBSCRIBER = 0x04; |
| static public final int TON_ALPHANUMERIC = 0x05; |
| static public final int TON_ABBREVIATED = 0x06; |
| static public final int TON_RESERVED = 0x07; |
| |
| /** |
| * Maximum lengths for fields as defined in ril_cdma_sms.h. |
| */ |
| static public final int SMS_ADDRESS_MAX = 36; |
| static public final int SMS_SUBADDRESS_MAX = 36; |
| |
| /** |
| * This field shall be set to the number of address digits |
| * (See 3GPP2 C.S0015-B, v2, 3.4.3.3) |
| */ |
| @UnsupportedAppUsage |
| public int numberOfDigits; |
| |
| /** |
| * Numbering Plan identification is a 0 or 4-bit value that |
| * indicates which numbering plan identification is set. (See |
| * 3GPP2, C.S0015-B, v2, 3.4.3.3 and C.S005-D, table2.7.1.3.2.4-3) |
| */ |
| static public final int NUMBERING_PLAN_UNKNOWN = 0x0; |
| static public final int NUMBERING_PLAN_ISDN_TELEPHONY = 0x1; |
| //static protected final int NUMBERING_PLAN_DATA = 0x3; |
| //static protected final int NUMBERING_PLAN_TELEX = 0x4; |
| //static protected final int NUMBERING_PLAN_PRIVATE = 0x9; |
| |
| @UnsupportedAppUsage |
| public int numberPlan; |
| |
| /** |
| * NOTE: the parsed string address and the raw byte array values |
| * are stored in the parent class address and origBytes fields, |
| * respectively. |
| */ |
| |
| @UnsupportedAppUsage |
| public CdmaSmsAddress(){ |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("CdmaSmsAddress "); |
| builder.append("{ digitMode=" + digitMode); |
| builder.append(", numberMode=" + numberMode); |
| builder.append(", numberPlan=" + numberPlan); |
| builder.append(", numberOfDigits=" + numberOfDigits); |
| builder.append(", ton=" + ton); |
| builder.append(", address=\"" + address + "\""); |
| builder.append(", origBytes=" + HexDump.toHexString(origBytes)); |
| builder.append(" }"); |
| return builder.toString(); |
| } |
| |
| /* |
| * TODO(cleanup): Refactor the parsing for addresses to better |
| * share code and logic with GSM. Also, gather all DTMF/BCD |
| * processing code in one place. |
| */ |
| @VisibleForTesting |
| public static byte[] parseToDtmf(String address) { |
| int digits = address.length(); |
| byte[] result = new byte[digits]; |
| for (int i = 0; i < digits; i++) { |
| char c = address.charAt(i); |
| int val = 0; |
| if ((c >= '1') && (c <= '9')) val = c - '0'; |
| else if (c == '0') val = 10; |
| else if (c == '*') val = 11; |
| else if (c == '#') val = 12; |
| else return null; |
| result[i] = (byte)val; |
| } |
| return result; |
| } |
| |
| private static final char[] numericCharsDialable = { |
| '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '*', '#' |
| }; |
| |
| private static final char[] numericCharsSugar = { |
| '(', ')', ' ', '-', '+', '.', '/', '\\' |
| }; |
| |
| private static final SparseBooleanArray numericCharDialableMap = new SparseBooleanArray ( |
| numericCharsDialable.length + numericCharsSugar.length); |
| static { |
| for (int i = 0; i < numericCharsDialable.length; i++) { |
| numericCharDialableMap.put(numericCharsDialable[i], true); |
| } |
| for (int i = 0; i < numericCharsSugar.length; i++) { |
| numericCharDialableMap.put(numericCharsSugar[i], false); |
| } |
| } |
| |
| /** |
| * Given a numeric address string, return the string without |
| * syntactic sugar, meaning parens, spaces, hyphens/minuses, or |
| * plus signs. If the input string contains non-numeric |
| * non-punctuation characters, return null. |
| */ |
| private static String filterNumericSugar(String address) { |
| StringBuilder builder = new StringBuilder(); |
| int len = address.length(); |
| for (int i = 0; i < len; i++) { |
| char c = address.charAt(i); |
| int mapIndex = numericCharDialableMap.indexOfKey(c); |
| if (mapIndex < 0) return null; |
| if (! numericCharDialableMap.valueAt(mapIndex)) continue; |
| builder.append(c); |
| } |
| return builder.toString(); |
| } |
| |
| /** |
| * Given a string, return the string without whitespace, |
| * including CR/LF. |
| */ |
| private static String filterWhitespace(String address) { |
| StringBuilder builder = new StringBuilder(); |
| int len = address.length(); |
| for (int i = 0; i < len; i++) { |
| char c = address.charAt(i); |
| if ((c == ' ') || (c == '\r') || (c == '\n') || (c == '\t')) continue; |
| builder.append(c); |
| } |
| return builder.toString(); |
| } |
| |
| /** |
| * Given a string, create a corresponding CdmaSmsAddress object. |
| * |
| * The result will be null if the input string is not |
| * representable using printable ASCII. |
| * |
| * For numeric addresses, the string is cleaned up by removing |
| * common punctuation. For alpha addresses, the string is cleaned |
| * up by removing whitespace. |
| */ |
| @UnsupportedAppUsage |
| public static CdmaSmsAddress parse(String address) { |
| CdmaSmsAddress addr = new CdmaSmsAddress(); |
| addr.address = address; |
| addr.ton = TON_UNKNOWN; |
| addr.digitMode = DIGIT_MODE_4BIT_DTMF; |
| addr.numberPlan = NUMBERING_PLAN_UNKNOWN; |
| addr.numberMode = NUMBER_MODE_NOT_DATA_NETWORK; |
| |
| byte[] origBytes; |
| String filteredAddr = filterNumericSugar(address); |
| if (address.contains("+") || filteredAddr == null) { |
| // 3GPP2 C.S0015-B section 3.4.3.3 Address Parameters |
| // NUMBER_MODE should set to 1 for network address and email address. |
| addr.digitMode = DIGIT_MODE_8BIT_CHAR; |
| addr.numberMode = NUMBER_MODE_DATA_NETWORK; |
| filteredAddr = filterWhitespace(address); |
| |
| if (address.contains("@")) { |
| // This is an email address |
| addr.ton = TON_NATIONAL_OR_EMAIL; |
| } else if (address.contains("+") && filterNumericSugar(address) != null) { |
| // This is an international number |
| // 3GPP2 C.S0015-B section 3.4.3.3 Address Parameters |
| // digit mode is set to 1 and number mode is set to 0, type of number should set |
| // to the value correspond to the value in 3GPP2 C.S005-D, table2.7.1.3.2.4-2 |
| addr.ton = TON_INTERNATIONAL_OR_IP; |
| addr.numberPlan = NUMBERING_PLAN_ISDN_TELEPHONY; |
| addr.numberMode = NUMBER_MODE_NOT_DATA_NETWORK; |
| filteredAddr = filterNumericSugar(address); |
| } |
| |
| origBytes = UserData.stringToAscii(filteredAddr); |
| } else { |
| // The address is not an international number and it only contains digit and *# |
| origBytes = parseToDtmf(filteredAddr); |
| } |
| |
| if (origBytes == null) { |
| return null; |
| } |
| |
| addr.origBytes = origBytes; |
| addr.numberOfDigits = origBytes.length; |
| return addr; |
| } |
| } |