[android]gsm smsmessage 类部分详解
SmsMessage.java (frameworks\opt\telephony\src\java\com\android\internal\telephony\gsm)
/*
* Copyright (C) 2006 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.gsm;
import android.os.Parcel;
import android.telephony.PhoneNumberUtils;
import android.text.format.Time;
import android.util.Log;
import com.android.internal.telephony.EncodeException;
import com.android.internal.telephony.GsmAlphabet;
import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails;
import com.android.internal.telephony.IccUtils;
import com.android.internal.telephony.SmsHeader;
import com.android.internal.telephony.SmsMessageBase;
import java.io.ByteArrayOutputStream;
import java.io.UnsupportedEncodingException;
import java.text.ParseException;
import static com.android.internal.telephony.SmsConstants.MessageClass;
import static com.android.internal.telephony.SmsConstants.ENCODING_UNKNOWN;
import static com.android.internal.telephony.SmsConstants.ENCODING_7BIT;
import static com.android.internal.telephony.SmsConstants.ENCODING_8BIT;
import static com.android.internal.telephony.SmsConstants.ENCODING_16BIT;
import static com.android.internal.telephony.SmsConstants.ENCODING_KSC5601;
import static com.android.internal.telephony.SmsConstants.MAX_USER_DATA_SEPTETS;
import static com.android.internal.telephony.SmsConstants.MAX_USER_DATA_SEPTETS_WITH_HEADER;
import static com.android.internal.telephony.SmsConstants.MAX_USER_DATA_BYTES;
import static com.android.internal.telephony.SmsConstants.MAX_USER_DATA_BYTES_WITH_HEADER;
// MTK-START [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
import android.os.SystemProperties;
import android.util.Config;
import com.android.internal.telephony.GsmAlphabet.TextEncodingDetails;
import static android.telephony.SmsMessage.MWI_VOICEMAIL;
import static android.telephony.SmsMessage.MWI_FAX;
import static android.telephony.SmsMessage.MWI_EMAIL;
import static android.telephony.SmsMessage.MWI_OTHER;
import static android.telephony.SmsMessage.MWI_VIDEO;
// MTK-END [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
import com.android.internal.telephony.IMessageWaitingExt;
/**
* A Short Message Service message.
*
*/
public class SmsMessage extends SmsMessageBase {
static final String LOG_TAG = "GSM";
private MessageClass messageClass;
/**
* TP-Message-Type-Indicator
* 9.2.3
*/
private int mti;
/** TP-Protocol-Identifier (TP-PID) */
private int protocolIdentifier;
// TP-Data-Coding-Scheme
// see TS 23.038
private int dataCodingScheme;
// TP-Reply-Path
// e.g. 23.040 9.2.2.1
private boolean replyPathPresent = false;
// "Message Marked for Automatic Deletion Group"
// 23.038 Section 4
private boolean automaticDeletion;
/** True if Status Report is for SMS-SUBMIT; false for SMS-COMMAND. */
private boolean forSubmit;
/** The address of the receiver. */
private GsmSmsAddress recipientAddress;
/** Time when SMS-SUBMIT was delivered from SC to MSE. */
private long dischargeTimeMillis;
/**
* TP-Status - status of a previously submitted SMS.
* This field applies to SMS-STATUS-REPORT messages. 0 indicates success;
* see TS 23.040, 9.2.3.15 for description of other possible values.
*/
private int status;
/**
* TP-Status - status of a previously submitted SMS.
* This field is true iff the message is a SMS-STATUS-REPORT message.
*/
private boolean isStatusReportMessage = false;
// MTK-START [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
public static final int ENCODING_7BIT_SINGLE = 11;
public static final int ENCODING_7BIT_LOCKING = 12;
public static final int ENCODING_7BIT_LOCKING_SINGLE = 13;
public static final int MASK_MESSAGE_TYPE_INDICATOR = 0x03;
public static final int MASK_VALIDITY_PERIOD_FORMAT = 0x18;
public static final int MASK_USER_DATA_HEADER_INDICATOR = 0x40;
public static final int MASK_VALIDITY_PERIOD_FORMAT_NONE = 0x00;
public static final int MASK_VALIDITY_PERIOD_FORMAT_RELATIVE = 0x10;
public static final int MASK_VALIDITY_PERIOD_FORMAT_ENHANCED = 0x08;
public static final int MASK_VALIDITY_PERIOD_FORMAT_ABSOLUTE = 0x18;
// MTK-END [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
public static class SubmitPdu extends SubmitPduBase {
}
// MTK-START [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
public static class DeliverPdu extends DeliverPduBase {}
// MTK-END [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
/**
* Create an SmsMessage from a raw PDU.
*/
public static SmsMessage createFromPdu(byte[] pdu) {
try {
SmsMessage msg = new SmsMessage();
msg.parsePdu(pdu);
return msg;
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "SMS PDU parsing failed: ", ex);
return null;
}
}
/**
* 3GPP TS 23.040 9.2.3.9 specifies that Type Zero messages are indicated
* by TP_PID field set to value 0x40
*/
public boolean isTypeZero() {
return (protocolIdentifier == 0x40);
}
/**
* TS 27.005 3.4.1 lines[0] and lines[1] are the two lines read from the
* +CMT unsolicited response (PDU mode, of course)
* +CMT: [<alpha>],
*
* Only public for debugging
*
* {@hide}
*/
public static SmsMessage newFromCMT(String[] lines) {
try {
SmsMessage msg = new SmsMessage();
msg.parsePdu(IccUtils.hexStringToBytes(lines[1]));
return msg;
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "SMS PDU parsing failed: ", ex);
return null;
}
}
/** @hide */
public static SmsMessage newFromCDS(String line) {
try {
SmsMessage msg = new SmsMessage();
msg.parsePdu(IccUtils.hexStringToBytes(line));
return msg;
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "CDS SMS PDU parsing failed: ", ex);
return null;
}
}
/**
* Create an SmsMessage from an SMS EF record.
*
* @param index Index of SMS record. This should be index in ArrayList
* returned by SmsManager.getAllMessagesFromSim + 1.
* @param data Record data.
* @return An SmsMessage representing the record.
*
* @hide
*/
public static SmsMessage createFromEfRecord(int index, byte[] data) {
try {
SmsMessage msg = new SmsMessage();
msg.indexOnIcc = index;
// First byte is status: RECEIVED_READ, RECEIVED_UNREAD, STORED_SENT,
// or STORED_UNSENT
// See TS 51.011 10.5.3
if ((data[0] & 1) == 0) {
Log.w(LOG_TAG,
"SMS parsing failed: Trying to parse a free record");
return null;
} else {
msg.statusOnIcc = data[0] & 0x07;
}
int size = data.length - 1;
// Note: Data may include trailing FF's. That's OK; message
// should still parse correctly.
byte[] pdu = new byte[size];
System.arraycopy(data, 1, pdu, 0, size);
msg.parsePdu(pdu);
return msg;
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "SMS PDU parsing failed: ", ex);
return null;
}
}
/**
* Get the TP-Layer-Length for the given SMS-SUBMIT PDU Basically, the
* length in bytes (not hex chars) less the SMSC header
*/
public static int getTPLayerLengthForPDU(String pdu) {
int len = pdu.length() / 2;
int smscLen = Integer.parseInt(pdu.substring(0, 2), 16);
return len - smscLen - 1;
}
/**
* Get an SMS-SUBMIT PDU for a destination address and a message
*
* @param scAddress Service Centre address. Null means use default.
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
* @hide
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, String message,
boolean statusReportRequested, byte[] header) { // 5个参数 String,String,String, boolean, byte[]
return getSubmitPdu(scAddress, destinationAddress, message, statusReportRequested, header,
ENCODING_UNKNOWN, 0, 0); // 8个参数
}
/**
* Get an SMS-SUBMIT PDU for a destination address and a message using the
* specified encoding.
*
* @param scAddress Service Centre address. Null means use default.
* @param encoding Encoding defined by constants in
* com.android.internal.telephony.SmsConstants.ENCODING_*
* @param languageTable
* @param languageShiftTable
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
* @hide
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, String message,
boolean statusReportRequested, byte[] header, int encoding,
int languageTable, int languageShiftTable)
{ // 8个参数 , 上面那个 getSubmitPdu有调用这个。sendTextWithEncodingType 也是调用的这个。
// Perform null parameter checks.
if (message == null || destinationAddress == null) {
return null;
}
if (encoding == ENCODING_UNKNOWN) {
// Find the best encoding to use
TextEncodingDetails ted = calculateLength(message, false);
encoding = ted.codeUnitSize;
languageTable = ted.languageTable;
languageShiftTable = ted.languageShiftTable;
if (encoding == ENCODING_7BIT &&
(languageTable != 0 || languageShiftTable != 0)) {
if (header != null) {
SmsHeader smsHeader = SmsHeader.fromByteArray(header);
if (smsHeader.languageTable != languageTable
|| smsHeader.languageShiftTable != languageShiftTable) {
Log.w(LOG_TAG, "Updating language table in SMS header: "
+ smsHeader.languageTable + " -> " + languageTable + ", "
+ smsHeader.languageShiftTable + " -> " + languageShiftTable);
smsHeader.languageTable = languageTable;
smsHeader.languageShiftTable = languageShiftTable;
header = SmsHeader.toByteArray(smsHeader);
}
} else {
SmsHeader smsHeader = new SmsHeader();
smsHeader.languageTable = languageTable;
smsHeader.languageShiftTable = languageShiftTable;
header = SmsHeader.toByteArray(smsHeader);
}
}
}
SubmitPdu ret = new SubmitPdu();
// MTI = SMS-SUBMIT, UDHI = header != null
byte mtiByte = (byte)(0x01 | (header != null ? 0x40 : 0x00));
ByteArrayOutputStream bo = getSubmitPduHead(
scAddress, destinationAddress, mtiByte,
statusReportRequested, ret);
// User Data (and length)
byte[] userData;
try {
if (encoding == ENCODING_7BIT) {
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header,
languageTable, languageShiftTable);
} else { //assume UCS-2
try {
userData = encodeUCS2(message, header);
} catch(UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
} catch (EncodeException ex) {
// Encoding to the 7-bit alphabet failed. Let's see if we can
// send it as a UCS-2 encoded message
try {
userData = encodeUCS2(message, header);
encoding = ENCODING_16BIT;
} catch(UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
if (encoding == ENCODING_7BIT) {
if ((0xff & userData[0]) > MAX_USER_DATA_SEPTETS) {
// Message too long
Log.e(LOG_TAG, "Message too long (" + (0xff & userData[0]) + " septets)");
return null;
}
// TP-Data-Coding-Scheme
// Default encoding, uncompressed
// To test writing messages to the SIM card, change this value 0x00
// to 0x12, which means "bits 1 and 0 contain message class, and the
// class is 2". Note that this takes effect for the sender. In other
// words, messages sent by the phone with this change will end up on
// the receiver's SIM card. You can then send messages to yourself
// (on a phone with this change) and they'll end up on the SIM card.
bo.write(0x00);
} else { // assume UCS-2
if ((0xff & userData[0]) > MAX_USER_DATA_BYTES) {
// Message too long
Log.e(LOG_TAG, "Message too long (" + (0xff & userData[0]) + " bytes)");
return null;
}
// TP-Data-Coding-Scheme
// UCS-2 encoding, uncompressed
bo.write(0x08);
}
// (no TP-Validity-Period)
bo.write(userData, 0, userData.length);
ret.encodedMessage = bo.toByteArray();
return ret;
}
/**
* Packs header and UCS-2 encoded message. Includes TP-UDL & TP-UDHL if necessary
*
* @return
* @throws UnsupportedEncodingException
*/
private static byte[] encodeUCS2(String message, byte[] header)
throws UnsupportedEncodingException {
byte[] userData, textPart;
textPart = message.getBytes("utf-16be");
if (header != null) {
// Need 1 byte for UDHL
userData = new byte[header.length + textPart.length + 1];
userData[0] = (byte)header.length;
System.arraycopy(header, 0, userData, 1, header.length);
System.arraycopy(textPart, 0, userData, header.length + 1, textPart.length);
}
else {
userData = textPart;
}
byte[] ret = new byte[userData.length+1];
ret[0] = (byte) (userData.length & 0xff );
System.arraycopy(userData, 0, ret, 1, userData.length);
return ret;
}
/**
* Get an SMS-SUBMIT PDU for a destination address and a message
*
* @param scAddress Service Centre address. Null means use default.
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, String message,
boolean statusReportRequested) {
return getSubmitPdu(scAddress, destinationAddress, message, statusReportRequested, null);
}
/**
* Get an SMS-SUBMIT PDU for a data message to a destination address & port
*
* @param scAddress Service Centre address. null == use default
* @param destinationAddress the address of the destination for the message
* @param destinationPort the port to deliver the message to at the
* destination
* @param data the data for the message
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, int destinationPort, byte[] data,
boolean statusReportRequested) {
SmsHeader.PortAddrs portAddrs = new SmsHeader.PortAddrs();
portAddrs.destPort = destinationPort;
portAddrs.origPort = 0;
portAddrs.areEightBits = false;
SmsHeader smsHeader = new SmsHeader();
smsHeader.portAddrs = portAddrs;
byte[] smsHeaderData = SmsHeader.toByteArray(smsHeader);
if ((data.length + smsHeaderData.length + 1) > MAX_USER_DATA_BYTES) {
Log.e(LOG_TAG, "SMS data message may only contain "
+ (MAX_USER_DATA_BYTES - smsHeaderData.length - 1) + " bytes");
return null;
}
SubmitPdu ret = new SubmitPdu();
ByteArrayOutputStream bo = getSubmitPduHead(
scAddress, destinationAddress, (byte) 0x41, // MTI = SMS-SUBMIT,
// TP-UDHI = true
statusReportRequested, ret);
// TP-Data-Coding-Scheme
// No class, 8 bit data
bo.write(0x04);
// (no TP-Validity-Period)
// Total size
bo.write(data.length + smsHeaderData.length + 1);
// User data header
bo.write(smsHeaderData.length);
bo.write(smsHeaderData, 0, smsHeaderData.length);
// User data
bo.write(data, 0, data.length);
ret.encodedMessage = bo.toByteArray();
return ret;
}
/**
* Create the beginning of a SUBMIT PDU. This is the part of the
* SUBMIT PDU that is common to the two versions of {@link #getSubmitPdu},
* one of which takes a byte array and the other of which takes a
* String.
*
* @param scAddress Service Centre address. null == use default
* @param destinationAddress the address of the destination for the message
* @param mtiByte
* @param ret SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message
*/
private static ByteArrayOutputStream getSubmitPduHead(
String scAddress, String destinationAddress, byte mtiByte,
boolean statusReportRequested, SubmitPdu ret) {
ByteArrayOutputStream bo = new ByteArrayOutputStream(
MAX_USER_DATA_BYTES + 40);
// SMSC address with length octet, or 0
if (scAddress == null) {
ret.encodedScAddress = null;
} else {
ret.encodedScAddress = PhoneNumberUtils.networkPortionToCalledPartyBCDWithLength(
scAddress);
}
// TP-Message-Type-Indicator (and friends)
if (statusReportRequested) {
// Set TP-Status-Report-Request bit.
mtiByte |= 0x20;
if (false) Log.d(LOG_TAG, "SMS status report requested");
}
bo.write(mtiByte);
// space for TP-Message-Reference
bo.write(0);
byte[] daBytes;
daBytes = PhoneNumberUtils.networkPortionToCalledPartyBCD(destinationAddress);
// destination address length in BCD digits, ignoring TON byte and pad
// TODO Should be better.
if (daBytes != null) {
bo.write((daBytes.length - 1) * 2
- ((daBytes[daBytes.length - 1] & 0xf0) == 0xf0 ? 1 : 0));
// destination address
bo.write(daBytes, 0, daBytes.length);
} else {
// TP-Protocol-Identifier
Log.d(LOG_TAG, "write an empty address for submit pdu");
bo.write(0);
bo.write(PhoneNumberUtils.TOA_Unknown);
}
// TP-Protocol-Identifier
bo.write(0);
return bo;
}
private static class PduParser {
byte pdu[];
int cur;
SmsHeader userDataHeader;
byte[] userData;
int mUserDataSeptetPadding;
int mUserDataSize;
PduParser(byte[] pdu) {
this.pdu = pdu;
cur = 0;
mUserDataSeptetPadding = 0;
}
/**
* Parse and return the SC address prepended to SMS messages coming via
* the TS 27.005 / AT interface. Returns null on invalid address
*/
String getSCAddress() {
int len;
String ret;
// length of SC Address
len = getByte();
if (len == 0) {
// no SC address
ret = null;
} else {
// SC address
try {
ret = PhoneNumberUtils
.calledPartyBCDToString(pdu, cur, len);
} catch (RuntimeException tr) {
Log.d(LOG_TAG, "invalid SC address: ", tr);
ret = null;
}
}
cur += len;
return ret;
}
/**
* returns non-sign-extended byte value
*/
int getByte() {
return pdu[cur++] & 0xff;
}
/**
* Any address except the SC address (eg, originating address) See TS
* 23.040 9.1.2.5
*/
GsmSmsAddress getAddress() {
GsmSmsAddress ret;
// "The Address-Length field is an integer representation of
// the number field, i.e. excludes any semi-octet containing only
// fill bits."
// The TOA field is not included as part of this
int addressLength = pdu[cur] & 0xff;
int lengthBytes = 2 + (addressLength + 1) / 2;
try {
ret = new GsmSmsAddress(pdu, cur, lengthBytes);
} catch (ParseException e) {
Log.e(LOG_TAG, e.getMessage());
ret = null;
}
cur += lengthBytes;
return ret;
}
/**
* Parses an SC timestamp and returns a currentTimeMillis()-style
* timestamp
*/
long getSCTimestampMillis() {
// TP-Service-Centre-Time-Stamp
int year = IccUtils.gsmBcdByteToInt(pdu[cur++]);
int month = IccUtils.gsmBcdByteToInt(pdu[cur++]);
int day = IccUtils.gsmBcdByteToInt(pdu[cur++]);
int hour = IccUtils.gsmBcdByteToInt(pdu[cur++]);
int minute = IccUtils.gsmBcdByteToInt(pdu[cur++]);
int second = IccUtils.gsmBcdByteToInt(pdu[cur++]);
// For the timezone, the most significant bit of the
// least significant nibble is the sign byte
// (meaning the max range of this field is 79 quarter-hours,
// which is more than enough)
byte tzByte = pdu[cur++];
// Mask out sign bit.
int timezoneOffset = IccUtils.gsmBcdByteToInt((byte) (tzByte & (~0x08)));
timezoneOffset = ((tzByte & 0x08) == 0) ? timezoneOffset : -timezoneOffset;
Time time = new Time(Time.TIMEZONE_UTC);
// It's 2006. Should I really support years < 2000?
time.year = year >= 90 ? year + 1900 : year + 2000;
time.month = month - 1;
time.monthDay = day;
time.hour = hour;
time.minute = minute;
time.second = second;
// Timezone offset is in quarter hours.
return time.toMillis(true) - (timezoneOffset * 15 * 60 * 1000);
}
/**
* Pulls the user data out of the PDU, and separates the payload from
* the header if there is one.
*
* @param hasUserDataHeader true if there is a user data header
* @param dataInSeptets true if the data payload is in septets instead
* of octets
* @return the number of septets or octets in the user data payload
*/
int constructUserData(boolean hasUserDataHeader, boolean dataInSeptets) {
int offset = cur;
int userDataLength = pdu[offset++] & 0xff;
int headerSeptets = 0;
int userDataHeaderLength = 0;
if (hasUserDataHeader) {
userDataHeaderLength = pdu[offset++] & 0xff;
byte[] udh = new byte[userDataHeaderLength];
System.arraycopy(pdu, offset, udh, 0, userDataHeaderLength);
userDataHeader = SmsHeader.fromByteArray(udh);
offset += userDataHeaderLength;
int headerBits = (userDataHeaderLength + 1) * 8;
headerSeptets = headerBits / 7;
headerSeptets += (headerBits % 7) > 0 ? 1 : 0;
mUserDataSeptetPadding = (headerSeptets * 7) - headerBits;
}
int bufferLen;
if (dataInSeptets) {
/*
* Here we just create the user data length to be the remainder of
* the pdu minus the user data header, since userDataLength means
* the number of uncompressed septets.
*/
bufferLen = pdu.length - offset;
} else {
/*
* userDataLength is the count of octets, so just subtract the
* user data header.
*/
bufferLen = userDataLength - (hasUserDataHeader ? (userDataHeaderLength + 1) : 0);
if (bufferLen < 0) {
bufferLen = 0;
}
}
userData = new byte[bufferLen];
System.arraycopy(pdu, offset, userData, 0, userData.length);
cur = offset;
if (dataInSeptets) {
// Return the number of septets
int count = userDataLength - headerSeptets;
// If count < 0, return 0 (means UDL was probably incorrect)
return count < 0 ? 0 : count;
} else {
// Return the number of octets
return userData.length;
}
}
/**
* Returns the user data payload, not including the headers
*
* @return the user data payload, not including the headers
*/
byte[] getUserData() {
return userData;
}
/**
* Returns the number of padding bits at the beginning of the user data
* array before the start of the septets.
*
* @return the number of padding bits at the beginning of the user data
* array before the start of the septets
*/
int getUserDataSeptetPadding() {
return mUserDataSeptetPadding;
}
/**
* Returns an object representing the user data headers
*
* {@hide}
*/
SmsHeader getUserDataHeader() {
return userDataHeader;
}
/**
* Interprets the user data payload as packed GSM 7bit characters, and
* decodes them into a String.
*
* @param septetCount the number of septets in the user data payload
* @return a String with the decoded characters
*/
String getUserDataGSM7Bit(int septetCount, int languageTable,
int languageShiftTable) {
String ret;
ret = GsmAlphabet.gsm7BitPackedToString(pdu, cur, septetCount,
mUserDataSeptetPadding, languageTable, languageShiftTable);
cur += (septetCount * 7) / 8;
return ret;
}
/**
* Interprets the user data payload as UCS2 characters, and
* decodes them into a String.
*
* @param byteCount the number of bytes in the user data payload
* @return a String with the decoded characters
*/
String getUserDataUCS2(int byteCount) {
String ret;
try {
ret = new String(pdu, cur, byteCount, "utf-16");
} catch (UnsupportedEncodingException ex) {
ret = "";
Log.e(LOG_TAG, "implausible UnsupportedEncodingException", ex);
}
cur += byteCount;
return ret;
}
/**
* Interprets the user data payload as KSC-5601 characters, and
* decodes them into a String.
*
* @param byteCount the number of bytes in the user data payload
* @return a String with the decoded characters
*/
String getUserDataKSC5601(int byteCount) {
String ret;
try {
ret = new String(pdu, cur, byteCount, "KSC5601");
} catch (UnsupportedEncodingException ex) {
ret = "";
Log.e(LOG_TAG, "implausible UnsupportedEncodingException", ex);
}
cur += byteCount;
return ret;
}
boolean moreDataPresent() {
return (pdu.length > cur);
}
}
/**
* Calculate the number of septets needed to encode the message.
*
* @param msgBody the message to encode
* @param use7bitOnly ignore (but still count) illegal characters if true
* @return TextEncodingDetails
*/
public static TextEncodingDetails calculateLength(CharSequence msgBody,
boolean use7bitOnly) {
TextEncodingDetails ted = GsmAlphabet.countGsmSeptets(msgBody, use7bitOnly);
if (ted == null) {
ted = new TextEncodingDetails();
int octets = msgBody.length() * 2;
ted.codeUnitCount = msgBody.length();
if (octets > MAX_USER_DATA_BYTES) {
ted.msgCount = (octets + (MAX_USER_DATA_BYTES_WITH_HEADER - 1)) /
MAX_USER_DATA_BYTES_WITH_HEADER;
ted.codeUnitsRemaining = ((ted.msgCount *
MAX_USER_DATA_BYTES_WITH_HEADER) - octets) / 2;
} else {
ted.msgCount = 1;
ted.codeUnitsRemaining = (MAX_USER_DATA_BYTES - octets)/2;
}
ted.codeUnitSize = ENCODING_16BIT;
}
return ted;
}
/** {@inheritDoc} */
@Override
public int getProtocolIdentifier() {
return protocolIdentifier;
}
/**
* Returns the TP-Data-Coding-Scheme byte, for acknowledgement of SMS-PP download messages.
* @return the TP-DCS field of the SMS header
*/
int getDataCodingScheme() {
return dataCodingScheme;
}
/** {@inheritDoc} */
@Override
public boolean isReplace() {
return (protocolIdentifier & 0xc0) == 0x40
&& (protocolIdentifier & 0x3f) > 0
&& (protocolIdentifier & 0x3f) < 8;
}
/** {@inheritDoc} */
@Override
public boolean isCphsMwiMessage() {
return ((GsmSmsAddress) originatingAddress).isCphsVoiceMessageClear()
|| ((GsmSmsAddress) originatingAddress).isCphsVoiceMessageSet();
}
/** {@inheritDoc} */
@Override
public boolean isMWIClearMessage() {
try {
if (userDataHeader != null) {
IMessageWaitingExt iMwi = (IMessageWaitingExt) userDataHeader;
if (iMwi.getVoiceMailCount() >= 0 && iMwi.getVoiceMailCount() == 0) {
return true;
}
}
} catch (ClassCastException ex) {
Log.w(LOG_TAG, "SmsHeader unsupports IMessageWaitingExt");
}
if (isMwi && !mwiSense) {
return true;
}
return originatingAddress != null
&& ((GsmSmsAddress) originatingAddress).isCphsVoiceMessageClear();
}
/** {@inheritDoc} */
@Override
public boolean isMWISetMessage() {
try {
if (userDataHeader != null) {
IMessageWaitingExt iMwi = (IMessageWaitingExt) userDataHeader;
if (iMwi.getVoiceMailCount() >= 0 && iMwi.getVoiceMailCount() > 0) {
return true;
}
}
} catch (ClassCastException ex) {
Log.w(LOG_TAG, "SmsHeader unsupports IMessageWaitingExt");
}
if (isMwi && mwiSense) {
return true;
}
return originatingAddress != null
&& ((GsmSmsAddress) originatingAddress).isCphsVoiceMessageSet();
}
/** {@inheritDoc} */
@Override
public boolean isMwiDontStore() {
if (isMwi && mwiDontStore) {
return true;
}
if (isCphsMwiMessage()) {
// See CPHS 4.2 Section B.4.2.1
// If the user data is a single space char, do not store
// the message. Otherwise, store and display as usual
if (" ".equals(getMessageBody())) {
;
}
return true;
}
return false;
}
/** {@inheritDoc} */
@Override
public int getStatus() {
return status;
}
/** {@inheritDoc} */
@Override
public boolean isStatusReportMessage() {
return isStatusReportMessage;
}
/** {@inheritDoc} */
@Override
public boolean isReplyPathPresent() {
return replyPathPresent;
}
/**
* TS 27.005 3.1, <pdu> definition "In the case of SMS: 3GPP TS 24.011 [6]
* SC address followed by 3GPP TS 23.040 [3] TPDU in hexadecimal format:
* ME/TA converts each octet of TP data unit into two IRA character long
* hex number (e.g. octet with integer value 42 is presented to TE as two
* characters 2A (IRA 50 and 65))" ...in the case of cell broadcast,
* something else...
*/
private void parsePdu(byte[] pdu) {
mPdu = pdu;
// Log.d(LOG_TAG, "raw sms message:");
// Log.d(LOG_TAG, s);
PduParser p = new PduParser(pdu);
scAddress = p.getSCAddress();
if (scAddress != null) {
if (false) Log.d(LOG_TAG, "SMS SC address: " + scAddress);
}
// TODO(mkf) support reply path, user data header indicator
// TP-Message-Type-Indicator
// 9.2.3
int firstByte = p.getByte();
mti = firstByte & 0x3;
switch (mti) {
// TP-Message-Type-Indicator
// 9.2.3
case 0:
case 3: //GSM 03.40 9.2.3.1: MTI == 3 is Reserved.
//This should be processed in the same way as MTI == 0 (Deliver)
parseSmsDeliver(p, firstByte);
break;
case 1:
parseSmsSubmit(p, firstByte);
break;
case 2:
parseSmsStatusReport(p, firstByte);
break;
default:
// TODO(mkf) the rest of these
throw new RuntimeException("Unsupported message type");
}
}
/**
* Parses a SMS-STATUS-REPORT message.
*
* @param p A PduParser, cued past the first byte.
* @param firstByte The first byte of the PDU, which contains MTI, etc.
*/
private void parseSmsStatusReport(PduParser p, int firstByte) {
isStatusReportMessage = true;
// TP-Status-Report-Qualifier bit == 0 for SUBMIT
forSubmit = (firstByte & 0x20) == 0x00;
// TP-Message-Reference
messageRef = p.getByte();
// TP-Recipient-Address
recipientAddress = p.getAddress();
// TP-Service-Centre-Time-Stamp
scTimeMillis = p.getSCTimestampMillis();
// TP-Discharge-Time
dischargeTimeMillis = p.getSCTimestampMillis();
// TP-Status
status = p.getByte();
messageBody = "";
// The following are optional fields that may or may not be present.
if (p.moreDataPresent()) {
// TP-Parameter-Indicator
int extraParams = p.getByte();
int moreExtraParams = extraParams;
while (((moreExtraParams & 0x80) != 0) && (p.moreDataPresent() == true)) {
// We only know how to parse a few extra parameters, all
// indicated in the first TP-PI octet, so skip over any
// additional TP-PI octets.
moreExtraParams = p.getByte();
}
// As per 3GPP 23.040 section 9.2.3.27 TP-Parameter-Indicator,
// only process the byte if the reserved bits (bits3 to 6) are zero.
if ((extraParams & 0x78) == 0) {
// TP-Protocol-Identifier
if ((extraParams & 0x01) != 0) {
protocolIdentifier = p.getByte();
}
// TP-Data-Coding-Scheme
if ((extraParams & 0x02) != 0) {
dataCodingScheme = p.getByte();
}
// TP-User-Data-Length (implies existence of TP-User-Data)
if ((extraParams & 0x04) != 0) {
boolean hasUserDataHeader = (firstByte & 0x40) == 0x40;
parseUserData(p, hasUserDataHeader);
}
}
}
}
private void parseSmsDeliver(PduParser p, int firstByte) {
replyPathPresent = (firstByte & 0x80) == 0x80;
originatingAddress = p.getAddress();
if (originatingAddress != null) {
if (false) Log.v(LOG_TAG, "SMS originating address: "
+ originatingAddress.address);
}
// TP-Protocol-Identifier (TP-PID)
// TS 23.040 9.2.3.9
protocolIdentifier = p.getByte();
// TP-Data-Coding-Scheme
// see TS 23.038
dataCodingScheme = p.getByte();
if (false) {
Log.v(LOG_TAG, "SMS TP-PID:" + protocolIdentifier
+ " data coding scheme: " + dataCodingScheme);
}
scTimeMillis = p.getSCTimestampMillis();
if (false) Log.d(LOG_TAG, "SMS SC timestamp: " + scTimeMillis);
boolean hasUserDataHeader = (firstByte & 0x40) == 0x40;
parseUserData(p, hasUserDataHeader);
}
/**
* Parses the User Data of an SMS.
*
* @param p The current PduParser.
* @param hasUserDataHeader Indicates whether a header is present in the
* User Data.
*/
private void parseUserData(PduParser p, boolean hasUserDataHeader) {
boolean hasMessageClass = false;
boolean userDataCompressed = false;
int encodingType = ENCODING_UNKNOWN;
// Look up the data encoding scheme
if ((dataCodingScheme & 0x80) == 0) {
// Bits 7..4 == 0xxx
automaticDeletion = (0 != (dataCodingScheme & 0x40));
userDataCompressed = (0 != (dataCodingScheme & 0x20));
hasMessageClass = (0 != (dataCodingScheme & 0x10));
if (userDataCompressed) {
Log.w(LOG_TAG, "4 - Unsupported SMS data coding scheme "
+ "(compression) " + (dataCodingScheme & 0xff));
} else {
switch ((dataCodingScheme >> 2) & 0x3) {
case 0: // GSM 7 bit default alphabet
encodingType = ENCODING_7BIT;
break;
case 2: // UCS 2 (16bit)
encodingType = ENCODING_16BIT;
break;
case 1: // 8 bit data
case 3: // reserved
Log.w(LOG_TAG, "1 - Unsupported SMS data coding scheme "
+ (dataCodingScheme & 0xff));
encodingType = ENCODING_8BIT;
break;
}
}
} else if ((dataCodingScheme & 0xf0) == 0xf0) {
automaticDeletion = false;
hasMessageClass = true;
userDataCompressed = false;
if (0 == (dataCodingScheme & 0x04)) {
// GSM 7 bit default alphabet
encodingType = ENCODING_7BIT;
} else {
// 8 bit data
encodingType = ENCODING_8BIT;
}
} else if ((dataCodingScheme & 0xF0) == 0xC0
|| (dataCodingScheme & 0xF0) == 0xD0
|| (dataCodingScheme & 0xF0) == 0xE0) {
// 3GPP TS 23.038 V7.0.0 (2006-03) section 4
// 0xC0 == 7 bit, don't store
// 0xD0 == 7 bit, store
// 0xE0 == UCS-2, store
if ((dataCodingScheme & 0xF0) == 0xE0) {
encodingType = ENCODING_16BIT;
} else {
encodingType = ENCODING_7BIT;
}
userDataCompressed = false;
boolean active = ((dataCodingScheme & 0x08) == 0x08);
// bit 0x04 reserved
if ((dataCodingScheme & 0x03) == 0x00) {
isMwi = true;
mwiSense = active;
mwiDontStore = ((dataCodingScheme & 0xF0) == 0xC0);
} else {
isMwi = false;
Log.w(LOG_TAG, "MWI for fax, email, or other "
+ (dataCodingScheme & 0xff));
}
} else if ((dataCodingScheme & 0xC0) == 0x80) {
// 3GPP TS 23.038 V7.0.0 (2006-03) section 4
// 0x80..0xBF == Reserved coding groups
if (dataCodingScheme == 0x84) {
// This value used for KSC5601 by carriers in Korea.
encodingType = ENCODING_KSC5601;
} else {
Log.w(LOG_TAG, "5 - Unsupported SMS data coding scheme "
+ (dataCodingScheme & 0xff));
}
} else {
Log.w(LOG_TAG, "3 - Unsupported SMS data coding scheme "
+ (dataCodingScheme & 0xff));
}
// set both the user data and the user data header.
int count = p.constructUserData(hasUserDataHeader,
encodingType == ENCODING_7BIT);
this.userData = p.getUserData();
this.userDataHeader = p.getUserDataHeader();
switch (encodingType) {
case ENCODING_UNKNOWN:
case ENCODING_8BIT:
messageBody = null;
break;
case ENCODING_7BIT:
messageBody = p.getUserDataGSM7Bit(count,
hasUserDataHeader ? userDataHeader.languageTable : 0,
hasUserDataHeader ? userDataHeader.languageShiftTable : 0);
break;
case ENCODING_16BIT:
messageBody = p.getUserDataUCS2(count);
break;
case ENCODING_KSC5601:
messageBody = p.getUserDataKSC5601(count);
break;
}
if (false) Log.v(LOG_TAG, "SMS message body (raw): '" + messageBody + "'");
if (messageBody != null) {
parseMessageBody();
}
if (!hasMessageClass) {
messageClass = MessageClass.UNKNOWN;
} else {
switch (dataCodingScheme & 0x3) {
case 0:
messageClass = MessageClass.CLASS_0;
break;
case 1:
messageClass = MessageClass.CLASS_1;
break;
case 2:
messageClass = MessageClass.CLASS_2;
break;
case 3:
messageClass = MessageClass.CLASS_3;
break;
}
}
}
/**
* {@inheritDoc}
*/
@Override
public MessageClass getMessageClass() {
return messageClass;
}
/**
* Returns true if this is a (U)SIM data download type SM.
* See 3GPP TS 31.111 section 9.1 and TS 23.040 section 9.2.3.9.
*
* @return true if this is a USIM data download message; false otherwise
*/
boolean isUsimDataDownload() {
return messageClass == MessageClass.CLASS_2 &&
(protocolIdentifier == 0x7f || protocolIdentifier == 0x7c);
}
// MTK-START [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
/** @hide */
public static SmsMessage newFromCMTI(String line) {
// the thinking here is not to read the message immediately
// FTA test case
Log.e(LOG_TAG, "newFromCMTI: not yet supported");
return null;
}
/**
* Note: This functionality is currently not supported in GSM mode.
*
* @hide
*/
public static SmsMessageBase newFromParcel(Parcel p) {
Log.w(LOG_TAG, "newFromParcel: is not supported in GSM mode.");
return null;
}
/**
* Get an SMS-SUBMIT PDU for a data message to a destination address & port
*
* @param scAddress Service Centre address. null == use default
* @param destinationAddress the address of the destination for the message
* @param destinationPort the port to deliver the message to at the
* destination
* @param originalPort the port to deliver the message from
* @param data the dat for the message
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, int destinationPort, int originalPort, byte[] data,
boolean statusReportRequested) { // 6个参数 String,String, int, int , byte[], boolean
byte[] smsHeaderData = SmsHeader.getSubmitPduHeader(destinationPort, originalPort);
if (smsHeaderData == null) {
return null;
}
return getSubmitPdu(scAddress, destinationAddress,
data, smsHeaderData, statusReportRequested);
}
/**
* Get an SMS-SUBMIT PDU for a destination address and a message
* which are sent to a specified application port
*
* @param scAddress Service Centre address. Null means use default.
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, String message,
int destPort, boolean statusReportRequested) { // 5个参数 String,String,String int , boolean
int language = getCurrentSysLanguage();
int singleId = -1;
int lockingId = -1;
int encoding = ENCODING_UNKNOWN;
TextEncodingDetails ted = new TextEncodingDetails();
if (encodeStringWithSpecialLang(message, language, ted)) {
if (ted.useLockingShift && ted.useSingleShift) {
encoding = ENCODING_7BIT_LOCKING_SINGLE;
singleId = lockingId = language;
} else if (ted.useLockingShift) {
encoding = ENCODING_7BIT_LOCKING;
lockingId = language;
} else if (ted.useSingleShift) {
encoding = ENCODING_7BIT_SINGLE;
singleId = language;
} else {
encoding = ENCODING_7BIT;
language = -1;
}
} else {
encoding = ENCODING_16BIT;
}
byte[] smsHeaderData = SmsHeader.getSubmitPduHeaderWithLang(destPort, singleId, lockingId);
return getSubmitPduWithLang(scAddress, destinationAddress,
message, statusReportRequested, smsHeaderData, encoding, language);
}
/**
* Get an SMS-SUBMIT PDU for a data message with data header
* to a destination address
*
* @param scAddress Service Centre address. null == use default
* @param destinationAddress the address of the destination for the message
* @param data the data for the message
* @param header the pdu header for the message
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, byte[] data, byte[] smsHeaderData,
boolean statusReportRequested) { // 5个参数 String, String , byte[], byte[], boolean ;
if ((data.length + smsHeaderData.length + 1) > MAX_USER_DATA_BYTES) {
Log.e(LOG_TAG, "SMS data message may only contain "
+ (MAX_USER_DATA_BYTES - smsHeaderData.length - 1) + " bytes");
return null;
}
SubmitPdu ret = new SubmitPdu();
ByteArrayOutputStream bo = getSubmitPduHead(
scAddress, destinationAddress, (byte) 0x41, // MTI = SMS-SUBMIT,
// TP-UDHI = true
statusReportRequested, ret);
// TP-Data-Coding-Scheme
// No class, 8 bit data
bo.write(0x04);
// (no TP-Validity-Period)
// Total size
bo.write(data.length + smsHeaderData.length + 1);
// User data header
bo.write(smsHeaderData.length);
bo.write(smsHeaderData, 0, smsHeaderData.length);
// User data
bo.write(data, 0, data.length);
ret.encodedMessage = bo.toByteArray();
return ret;
}
/**
* Get an SMS-SUBMIT PDU for a destination address and a message using the
* specified encoding.
*
* @param scAddress Service Centre address. Null means use default.
* @param encoding Encoding defined by constants in android.telephony.SmsMessage.ENCODING_*
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
* @hide
*/
public static SubmitPdu getSubmitPduWithLang(String scAddress,
String destinationAddress, String message,
boolean statusReportRequested, byte[] header, int encoding, int language) {
Log.d(LOG_TAG, "SmsMessage: get submit pdu");
// Perform null parameter checks.
if (message == null || destinationAddress == null) {
return null;
}
SubmitPdu ret = new SubmitPdu();
// MTI = SMS-SUBMIT, UDHI = header != null
Log.d(LOG_TAG, "SmsMessage: UDHI = " + (header != null));
byte mtiByte = (byte) (0x01 | (header != null ? 0x40 : 0x00));
ByteArrayOutputStream bo = getSubmitPduHead(
scAddress, destinationAddress, mtiByte,
statusReportRequested, ret);
// User Data (and length)
byte[] userData;
if (encoding == ENCODING_UNKNOWN) {
// First, try encoding it with the GSM alphabet
encoding = ENCODING_7BIT;
}
try {
Log.d(LOG_TAG, "Get SubmitPdu with Lang " + encoding + " " + language);
if (encoding == ENCODING_7BIT) {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, 0, 0);
} else if (language > 0 && encoding != ENCODING_16BIT) {
if (encoding == ENCODING_7BIT_LOCKING) {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, -1, language);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, 0, language);
} else if (encoding == ENCODING_7BIT_SINGLE) {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, language, -1);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, language, 0);
} else if (encoding == ENCODING_7BIT_LOCKING_SINGLE) {
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, language, language);
} else {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, 0, 0);
}
encoding = ENCODING_7BIT;
} else { // assume UCS-2
try {
userData = encodeUCS2(message, header);
} catch (UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
} catch (EncodeException ex) {
// Encoding to the 7-bit alphabet failed. Let's see if we can
// send it as a UCS-2 encoded message
try {
userData = encodeUCS2(message, header);
encoding = ENCODING_16BIT;
} catch (UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
if (encoding == ENCODING_7BIT) {
if ((0xff & userData[0]) > MAX_USER_DATA_SEPTETS) {
// Message too long
return null;
}
// TP-Data-Coding-Scheme
// Default encoding, uncompressed
// To test writing messages to the SIM card, change this value 0x00
// to 0x12, which means "bits 1 and 0 contain message class, and the
// class is 2". Note that this takes effect for the sender. In other
// words, messages sent by the phone with this change will end up on
// the receiver's SIM card. You can then send messages to yourself
// (on a phone with this change) and they'll end up on the SIM card.
bo.write(0x00);
} else { // assume UCS-2
if ((0xff & userData[0]) > MAX_USER_DATA_BYTES) {
// Message too long
return null;
}
// TP-Data-Coding-Scheme
// Class 3, UCS-2 encoding, uncompressed
// modified by mtk80611
// bo.write(0x0b);
bo.write(0x08);
// modified by mtk80611
}
// (no TP-Validity-Period)
bo.write(userData, 0, userData.length);
ret.encodedMessage = bo.toByteArray();
return ret;
}
public static DeliverPdu getDeliverPduWithLang(String scAddress, String originalAddress, String message,
byte[] header, long timestamp, int encoding, int language) {
Log.d(LOG_TAG, "SmsMessage: get deliver pdu");
if (message == null || originalAddress == null) {
return null;
}
DeliverPdu ret = new DeliverPdu();
Log.d(LOG_TAG, "SmsMessage: UDHI = " + (header != null));
byte mtiByte = (byte) (0x00 | (header != null ? 0x40 : 0x00));
ByteArrayOutputStream bo = getDeliverPduHead(scAddress, originalAddress, mtiByte, ret);
// encode User Data (and length)
byte[] userData;
if (encoding == ENCODING_UNKNOWN) {
// First, try encoding it with the GSM alphabet
encoding = ENCODING_7BIT;
}
try {
Log.d(LOG_TAG, "Get SubmitPdu with Lang " + encoding + " " + language);
if (encoding == ENCODING_7BIT) {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, 0, 0);
} else if (language > 0 && encoding != ENCODING_16BIT) {
if (encoding == ENCODING_7BIT_LOCKING) {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, -1, language);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, 0, language);
} else if (encoding == ENCODING_7BIT_SINGLE) {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, language, -1);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, language, 0);
} else if (encoding == ENCODING_7BIT_LOCKING_SINGLE) {
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, language, language);
} else {
//userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header);
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header, 0, 0);
}
encoding = ENCODING_7BIT;
} else { // assume UCS-2
try {
userData = encodeUCS2(message, header);
} catch (UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
} catch (EncodeException ex) {
// Encoding to the 7-bit alphabet failed. Let's see if we can
// send it as a UCS-2 encoded message
try {
userData = encodeUCS2(message, header);
encoding = ENCODING_16BIT;
} catch (UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
if (userData != null && (0xff & userData[0]) > MAX_USER_DATA_SEPTETS) {
Log.d(LOG_TAG, "SmsMessage: message is too long");
return null;
}
// write dcs type
if (encoding == ENCODING_7BIT) {
bo.write(0x00);
} else { // assume UCS-2
bo.write(0x08);
}
// write timestamp
// Because we can't get invalid timestamp which indicate the message arrival service center,
// we just write 7 0x00 into the pdu
byte[] scts = parseSCTimestamp(timestamp);
if (scts != null) {
bo.write(scts, 0, scts.length);
} else {
for (int i = 0; i < 7; ++i) {
bo.write(0x00);
}
}
bo.write(userData, 0, userData.length);
ret.encodedMessage = bo.toByteArray();
return ret;
}
static private byte[] parseSCTimestamp(long millis) {
Time t = new Time(Time.TIMEZONE_UTC);
t.set(millis);
byte[] scts = new byte[7];
scts[0] = intToGsmBCDByte(t.year);
scts[1] = intToGsmBCDByte(t.month + 1);
scts[2] = intToGsmBCDByte(t.monthDay);
scts[3] = intToGsmBCDByte(t.hour);
scts[4] = intToGsmBCDByte(t.minute);
scts[5] = intToGsmBCDByte(t.second);
scts[6] = intToGsmBCDByte(0);
return scts;
}
static private byte intToGsmBCDByte(int value) {
if (value < 0) {
Log.d(LOG_TAG, "[time invalid value: " + value);
return (byte) 0;
}
value %= 100;
Log.d(LOG_TAG, "[time value: " + value);
// byte b = (byte)(((value / 10) << 4) + (value % 10));
byte b = (byte) (((value / 10) & 0x0f) | (((value % 10) << 4) & 0xf0));
Log.d(LOG_TAG, "[time bcd value: " + b);
return b;
}
private static ByteArrayOutputStream getDeliverPduHead(
String scAddress, String originalAddress, byte mtiByte, DeliverPdu ret) {
ByteArrayOutputStream bo = new ByteArrayOutputStream(
MAX_USER_DATA_BYTES + 40);
if (scAddress == null) {
ret.encodedScAddress = null;
} else {
ret.encodedScAddress = PhoneNumberUtils.networkPortionToCalledPartyBCDWithLength(
scAddress);
}
// write mti byte
bo.write(mtiByte);
// write original bytes
byte[] oaBytes;
oaBytes = PhoneNumberUtils.networkPortionToCalledPartyBCD(originalAddress);
if (oaBytes != null) {
bo.write((oaBytes.length - 1) * 2
- ((oaBytes[oaBytes.length - 1] & 0xf0) == 0xf0 ? 1 : 0));
bo.write(oaBytes, 0, oaBytes.length);
} else {
Log.d(LOG_TAG, "write a empty address for deliver pdu");
bo.write(0);
bo.write(PhoneNumberUtils.TOA_International);
}
// write PID
bo.write(0);
return bo;
}
private static boolean encodeStringWithSpecialLang(
CharSequence msgBody,
int language,
TextEncodingDetails ted) {
int septets;
//1st, try default GSM
//septets = GsmAlphabet.countGsmSeptetsWithTable(
// msgBody, -1, -1);
septets = GsmAlphabet.countGsmSeptetsUsingTables(
msgBody, true, 0, 0);
if (septets != -1) {
ted.codeUnitCount = septets;
if (septets > MAX_USER_DATA_SEPTETS) {
ted.msgCount = (septets / MAX_USER_DATA_SEPTETS_WITH_HEADER) + 1;
ted.codeUnitsRemaining = MAX_USER_DATA_SEPTETS_WITH_HEADER
- (septets % MAX_USER_DATA_SEPTETS_WITH_HEADER);
} else {
ted.msgCount = 1;
ted.codeUnitsRemaining = MAX_USER_DATA_SEPTETS - septets;
}
ted.codeUnitSize = ENCODING_7BIT;
ted.shiftLangId = -1;
Log.d(LOG_TAG, "Try Default: " + language + " " + ted);
return true;
}
//2nd, try locking shift
//septets = GsmAlphabet.countGsmSeptetsWithTable(
// msgBody, -1, language);
septets = GsmAlphabet.countGsmSeptetsUsingTables(
msgBody, true, 0, language);
if (septets != -1) {
int headerElt[] = {SmsHeader.ELT_ID_NATIONAL_LANGUAGE_LOCKING_SHIFT, 0xffff};
int maxLength = computeRemainUserDataLength(true, headerElt);
ted.codeUnitCount = septets;
if (septets > maxLength) {
headerElt[1] = SmsHeader.ELT_ID_CONCATENATED_8_BIT_REFERENCE;
maxLength = computeRemainUserDataLength(true, headerElt);
ted.msgCount = (septets / maxLength) + 1;
ted.codeUnitsRemaining = maxLength - (septets % maxLength);
} else {
ted.msgCount = 1;
ted.codeUnitsRemaining = maxLength - septets;
}
ted.codeUnitSize = ENCODING_7BIT;
ted.useLockingShift = true;
ted.shiftLangId = language;
Log.d(LOG_TAG, "Try Locking Shift: " + language + " " + ted);
return true;
}
//3rd, try single shift
//septets = GsmAlphabet.countGsmSeptetsWithTable(
// msgBody, language, -1);
septets = GsmAlphabet.countGsmSeptetsUsingTables(
msgBody, true, language, 0);
if (septets != -1) {
int headerElt[] = {SmsHeader.ELT_ID_NATIONAL_LANGUAGE_SINGLE_SHIFT, 0xffff};
int maxLength = computeRemainUserDataLength(true, headerElt);
ted.codeUnitCount = septets;
if (septets > maxLength) {
headerElt[1] = SmsHeader.ELT_ID_CONCATENATED_8_BIT_REFERENCE;
maxLength = computeRemainUserDataLength(true, headerElt);
ted.msgCount = (septets / maxLength) + 1;
ted.codeUnitsRemaining = maxLength - (septets % maxLength);
} else {
ted.msgCount = 1;
ted.codeUnitsRemaining = maxLength - septets;
}
ted.codeUnitSize = ENCODING_7BIT;
ted.useSingleShift = true;
ted.shiftLangId = language;
Log.d(LOG_TAG, "Try Single Shift: " + language + " " + ted);
return true;
}
//4th, try locking and single shift
//septets = GsmAlphabet.countGsmSeptetsWithTable(
// msgBody, language, language);
septets = GsmAlphabet.countGsmSeptetsUsingTables(
msgBody, true, language, language);
if (septets != -1) {
int headerElt[] = {
SmsHeader.ELT_ID_NATIONAL_LANGUAGE_LOCKING_SHIFT,
SmsHeader.ELT_ID_NATIONAL_LANGUAGE_SINGLE_SHIFT,
0xffff};
int maxLength = computeRemainUserDataLength(true, headerElt);
ted.codeUnitCount = septets;
if (septets > maxLength) {
headerElt[2] = SmsHeader.ELT_ID_CONCATENATED_8_BIT_REFERENCE;
maxLength = computeRemainUserDataLength(true, headerElt);
ted.msgCount = (septets / maxLength) + 1;
ted.codeUnitsRemaining = maxLength - (septets % maxLength);
} else {
ted.msgCount = 1;
ted.codeUnitsRemaining = maxLength - septets;
}
ted.codeUnitSize = ENCODING_7BIT;
ted.useLockingShift = true;
ted.useSingleShift = true;
ted.shiftLangId = language;
Log.d(LOG_TAG, "Try Locking & Single Shift: " + language + " " + ted);
return true;
}
Log.d(LOG_TAG, "Use UCS2" + language + " " + ted);
return false;
}
private static int getCurrentSysLanguage() {
int ret;
String language;
language = SystemProperties.get("persist.sys.language", null);
if (language == null) {
language = SystemProperties.get("ro.product.locale.language", null);
}
if (language.equals("tr")) {
// ret = GsmAlphabet.SHIFT_ID_TURKISH;
ret = -1;
} else {
ret = -1;
}
return ret;
}
public static int computeRemainUserDataLength(boolean inSeptets, int headerElt[]) {
int headerBytes = 0;
int count;
for (int i = 0; i < headerElt.length; i++) {
switch (headerElt[i]) {
case SmsHeader.ELT_ID_CONCATENATED_8_BIT_REFERENCE:
headerBytes += SmsHeader.CONCATENATED_8_BIT_REFERENCE_LENGTH;
break;
case SmsHeader.ELT_ID_NATIONAL_LANGUAGE_SINGLE_SHIFT:
headerBytes += SmsHeader.NATIONAL_LANGUAGE_SINGLE_SHIFT_LENGTH;
break;
case SmsHeader.ELT_ID_NATIONAL_LANGUAGE_LOCKING_SHIFT:
headerBytes += SmsHeader.NATIONAL_LANGUAGE_LOCKING_SHIFT_LENGTH;
break;
default:
break;
}
}
if (headerBytes != 0) {
headerBytes++; // header length
}
count = MAX_USER_DATA_BYTES - headerBytes;
if (inSeptets) {
count = count * 8 / 7;
}
//Log.d(LOG_TAG, "computeRemainUserDataLength: inSeptets: "+ inSeptets +
// " , max: "+ count + " header:" + headerBytes);
return count;
}
private void parseSmsSubmit(PduParser p, int firstByte) {
replyPathPresent = (firstByte & 0x80) == 0x80;
messageRef = p.getByte();
destinationAddress = p.getAddress();
if (destinationAddress != null) {
if (Config.LOGV)
Log.v(LOG_TAG, "SMS destination address: "
+ destinationAddress.address);
}
// TP-Protocol-Identifier (TP-PID)
// TS 23.040 9.2.3.9
protocolIdentifier = p.getByte();
// TP-Data-Coding-Scheme
// see TS 23.038
dataCodingScheme = p.getByte();
if (Config.LOGV) {
Log.v(LOG_TAG, "SMS TP-PID:" + protocolIdentifier
+ " data coding scheme: " + dataCodingScheme);
}
int validPeriodFormat = firstByte & MASK_VALIDITY_PERIOD_FORMAT;
switch (validPeriodFormat) {
case MASK_VALIDITY_PERIOD_FORMAT_NONE:
Log.d(LOG_TAG, "TP-VP field is not present");
break;
case MASK_VALIDITY_PERIOD_FORMAT_RELATIVE:
Log.d(LOG_TAG, "TP-VP field is relative format");
relativeValidityPeriod = p.getByte();
break;
case MASK_VALIDITY_PERIOD_FORMAT_ENHANCED:
Log.d(LOG_TAG, "TP-VP field is enhanced format");
for (int i = 0; i < 7; ++i) {
p.getByte();
}
break;
case MASK_VALIDITY_PERIOD_FORMAT_ABSOLUTE:
Log.d(LOG_TAG, "TP-VP field is absolute format");
for (int i = 0; i < 7; ++i) {
p.getByte();
}
break;
default:
Log.d(LOG_TAG, "TP-VP invalid validity format");
break;
}
boolean hasUserDataHeader = ((firstByte & MASK_USER_DATA_HEADER_INDICATOR) == MASK_USER_DATA_HEADER_INDICATOR);
parseUserData(p, hasUserDataHeader);
}
// MTK-END [ALPS000xxxxx] MTK code port to ICS added by mtk80589 in 2011.11.16
// MTK-START [ALPS00094531] Orange feature SMS Encoding Type Setting by mtk80589 in 2011.11.22
/**
* Calculate the number of septets needed to encode the message.
*
* @param msgBody the message to encode
* @param use7bitOnly ignore (but still count) illegal characters if true
* @param encodingType text encoding type(7-bit, 16-bit or automatic)
* @return TextEncodingDetails
*/
public static TextEncodingDetails calculateLength(CharSequence msgBody,
boolean use7bitOnly, int encodingType) {
TextEncodingDetails ted = GsmAlphabet.countGsmSeptets(msgBody, use7bitOnly);
if (encodingType == ENCODING_16BIT) {
Log.d(LOG_TAG, "input mode is unicode");
ted = null;
}
if (ted == null) {
Log.d(LOG_TAG, "7-bit encoding fail");
ted = new TextEncodingDetails();
int octets = msgBody.length() * 2;
ted.codeUnitCount = msgBody.length();
if (octets > MAX_USER_DATA_BYTES) {
ted.msgCount = (octets + (MAX_USER_DATA_BYTES_WITH_HEADER - 1)) /
MAX_USER_DATA_BYTES_WITH_HEADER;
ted.codeUnitsRemaining = ((ted.msgCount *
MAX_USER_DATA_BYTES_WITH_HEADER) - octets) / 2;
} else {
ted.msgCount = 1;
ted.codeUnitsRemaining = (MAX_USER_DATA_BYTES - octets) / 2;
}
ted.codeUnitSize = ENCODING_16BIT;
}
return ted;
}
// MTK-END [ALPS00094531] Orange feature SMS Encoding Type Setting by mtk80589 in 2011.11.22
/**
* Get an SMS-SUBMIT PDU for a destination address and a message using the
* specified encoding.
*
* @param scAddress Service Centre address. Null means use default.
* @param encoding Encoding defined by constants in android.telephony.SmsMessage.ENCODING_*
* @param languageTable
* @param languageShiftTable
* @return a SubmitPdu containing the encoded SC
* address, if applicable, and the encoded message.
* Returns null on encode error.
* @hide
*/
public static SubmitPdu getSubmitPdu(String scAddress,
String destinationAddress, String message,
boolean statusReportRequested, byte[] header, int encoding,
int languageTable, int languageShiftTable, int validityPeriod) { // 9个参数 String ,String,String, boolean, byte[] int , int ,int , int ;
// Perform null parameter checks.
if (message == null || destinationAddress == null) {
return null;
}
if (encoding == ENCODING_UNKNOWN) {
// Find the best encoding to use
TextEncodingDetails ted = calculateLength(message, false);
encoding = ted.codeUnitSize;
languageTable = ted.languageTable;
languageShiftTable = ted.languageShiftTable;
if (encoding == ENCODING_7BIT && (languageTable != 0 || languageShiftTable != 0)) {
if (header != null) {
SmsHeader smsHeader = SmsHeader.fromByteArray(header);
if (smsHeader.languageTable != languageTable
|| smsHeader.languageShiftTable != languageShiftTable) {
Log.w(LOG_TAG, "Updating language table in SMS header: "
+ smsHeader.languageTable + " -> " + languageTable + ", "
+ smsHeader.languageShiftTable + " -> " + languageShiftTable);
smsHeader.languageTable = languageTable;
smsHeader.languageShiftTable = languageShiftTable;
header = SmsHeader.toByteArray(smsHeader);
}
} else {
SmsHeader smsHeader = new SmsHeader();
smsHeader.languageTable = languageTable;
smsHeader.languageShiftTable = languageShiftTable;
header = SmsHeader.toByteArray(smsHeader);
}
}
}
SubmitPdu ret = new SubmitPdu();
// MTI = SMS-SUBMIT, UDHI = header != null
byte mtiByte = (byte) (0x01 | (header != null ? 0x40 : 0x00));
if (validityPeriod >= 0 && validityPeriod <= 255) {
mtiByte |= 0x10;
} else {
Log.d(LOG_TAG, "invalid VP: " + validityPeriod);
}
ByteArrayOutputStream bo = getSubmitPduHead(
scAddress, destinationAddress, mtiByte,
statusReportRequested, ret);
// User Data (and length)
byte[] userData;
try {
if (encoding == ENCODING_7BIT) {
userData = GsmAlphabet.stringToGsm7BitPackedWithHeader(message, header,
languageTable, languageShiftTable);
} else { // assume UCS-2
try {
userData = encodeUCS2(message, header);
} catch (UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
} catch (EncodeException ex) {
// Encoding to the 7-bit alphabet failed. Let's see if we can
// send it as a UCS-2 encoded message
try {
userData = encodeUCS2(message, header);
encoding = ENCODING_16BIT;
} catch (UnsupportedEncodingException uex) {
Log.e(LOG_TAG,
"Implausible UnsupportedEncodingException ",
uex);
return null;
}
}
if (encoding == ENCODING_7BIT) {
if ((0xff & userData[0]) > MAX_USER_DATA_SEPTETS) {
// Message too long
// MTK-START [mtk04070][111223][ALPS00106134]Merge to ICS 4.0.3
Log.e(LOG_TAG, "Message too long (" + (0xff & userData[0]) + " septets)");
// MTK-END [mtk04070][111223][ALPS00106134]Merge to ICS 4.0.3
return null;
}
// TP-Data-Coding-Scheme
// Default encoding, uncompressed
// To test writing messages to the SIM card, change this value 0x00
// to 0x12, which means "bits 1 and 0 contain message class, and the
// class is 2". Note that this takes effect for the sender. In other
// words, messages sent by the phone with this change will end up on
// the receiver's SIM card. You can then send messages to yourself
// (on a phone with this change) and they'll end up on the SIM card.
bo.write(0x00);
} else { // assume UCS-2
if ((0xff & userData[0]) > MAX_USER_DATA_BYTES) {
// Message too long
// MTK-START [mtk04070][111223][ALPS00106134]Merge to ICS 4.0.3
Log.e(LOG_TAG, "Message too long (" + (0xff & userData[0]) + " bytes)");
// MTK-END [mtk04070][111223][ALPS00106134]Merge to ICS 4.0.3
return null;
}
// TP-Data-Coding-Scheme
// UCS-2 encoding, uncompressed
bo.write(0x08);
}
if (validityPeriod >= 0 && validityPeriod <= 255) {
Log.d(LOG_TAG, "write validity period into pdu: " + validityPeriod);
bo.write(validityPeriod);
}
// (no TP-Validity-Period)
bo.write(userData, 0, userData.length);
ret.encodedMessage = bo.toByteArray();
return ret;
}
}
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