coutgoingmessage.java

SMSLib一个很有用的程序,有服务平台和收发平台

//	SMSLib for Java
//	An open-source API Library for sending and receiving SMS via a GSM modem.
//	Copyright (C) 2002-2006, Thanasis Delenikas, Athens/GREECE
//		Web Site: http://www.smslib.org
//
//	SMSLib is distributed under the LGPL license.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

package org.smslib;

import java.util.*;

public class COutgoingMessage extends CMessage implements java.io.Serializable
{
	private static final int MP_7B_SIZE = 151;
	private static final int MP_8B_SIZE = 133;
	private static final int MP_UCS2_SIZE = 66;

	public COutgoingMessage()
	{
		super(TYPE_OUTGOING, null, null, null, null, -1);
		setDate(new Date());
	}

	public COutgoingMessage(String recipient, String text)
	{
		super(TYPE_OUTGOING, new Date(), null, recipient, text, -1);
		setDate(new Date());
	}

	protected boolean isBig() throws Exception
	{
		switch (getMessageEncoding())
		{
			case MESSAGE_ENCODING_7BIT: return (getText().length() > 160 ? true : false);
			case MESSAGE_ENCODING_8BIT: return (getText().length() > 140 ? true : false);
			case MESSAGE_ENCODING_UNICODE: return (getText().length() > 70 ? true : false);
		}
		throw new OopsException();
	}

	protected int getNoOfParts() throws Exception
	{
		int noOfParts = 0;

		switch (getMessageEncoding())
		{
			case MESSAGE_ENCODING_7BIT:
				noOfParts = (int) (getText().length() / MP_7B_SIZE);
				if ((noOfParts * MP_7B_SIZE) < (getText().length())) noOfParts ++;
				return noOfParts;
			case MESSAGE_ENCODING_8BIT:
				throw new OopsException();
/*
				noOfParts = (int) (getText().length() / MP_8B_SIZE);
				noOfParts ++;
				return noOfParts;
*/
			case MESSAGE_ENCODING_UNICODE:
				throw new OopsException();
/*
				noOfParts = (int) (getText().length() / MP_UCS2_SIZE);
				noOfParts ++;
				return noOfParts;
*/
		}
		throw new OopsException();
	}

	private String getPart(String txt, int partNo) throws Exception
	{
		String textPart;

		textPart = txt;
		if (partNo != 0)
		{
			switch (getMessageEncoding())
			{
				case MESSAGE_ENCODING_7BIT:
					if (((MP_7B_SIZE * (partNo - 1)) + MP_7B_SIZE) > txt.length()) textPart = txt.substring(MP_7B_SIZE * (partNo - 1));
					else textPart = txt.substring(MP_7B_SIZE * (partNo - 1), (MP_7B_SIZE * (partNo - 1)) + MP_7B_SIZE);
					break;
				case MESSAGE_ENCODING_8BIT:
					throw new OopsException();
				case MESSAGE_ENCODING_UNICODE:
					throw new OopsException();
			}
		}
		return textPart;
	}

	protected String getPDU(String smscNumber, int mpRefNo, int partNo) throws Exception
	{
		String pdu, udh;
		String str1, str2;
		int i, high, low;
		char c;

		pdu = "";
		udh = "";
		if ((smscNumber != null) && (smscNumber.length() != 0))
		{
			str1 = "91" + toBCDFormat(smscNumber.substring(1));
			str2 = Integer.toHexString(str1.length() / 2);
			if (str2.length() != 2) str2 = "0" + str2;
			pdu = pdu + str2 + str1;
		}
		else if ((smscNumber != null) && (smscNumber.length() == 0)) pdu = pdu + "00";
		if (((srcPort != -1) && (dstPort != -1)) || (isBig()))
		{
			if (statusReport) pdu = pdu + "71";
			else pdu = pdu + "51";
		}
		else
		{
			if (statusReport) pdu = pdu + "31";
			else pdu = pdu + "11";
		}
		pdu = pdu + "00";
		str1 = getRecipient();
		if( str1.charAt(0) == '+' )
		{
			str1 = toBCDFormat(str1.substring(1));
			str2 = Integer.toHexString(getRecipient().length() - 1);
			str1 = "91" + str1;
		}
		else
		{
			str1 = toBCDFormat(str1);
			str2 = Integer.toHexString(getRecipient().length());
			str1 = "81" + str1;
		}
		if (str2.length() != 2) str2 = "0" + str2;

		pdu = pdu + str2 + str1;
		pdu = pdu + "00";
		switch (getMessageEncoding())
		{
			case MESSAGE_ENCODING_7BIT:
				if (flashSms) pdu = pdu + "10";
				else pdu = pdu + "00";
				break;
			case MESSAGE_ENCODING_8BIT:
				if (flashSms) pdu = pdu + "14";
				else pdu = pdu + "04";
				break;
			case MESSAGE_ENCODING_UNICODE:
				if (flashSms) pdu = pdu + "18";
				else pdu = pdu + "08";
				break;
		}

		pdu = pdu + getValidityPeriodBits();

		if ((srcPort != -1) && (dstPort != -1))
		{
			String s;

			udh = "060504";
			s = Integer.toHexString(dstPort);
			while (s.length() < 4) s = "0" + s;
			udh += s;
			s = Integer.toHexString(srcPort);
			while (s.length() < 4) s = "0" + s;
			udh += s;
		}

		if (isBig())
		{
			String s;

			udh = "060804";
			s = Integer.toHexString(mpRefNo);
			while (s.length() < 4) s = "0" + s;
			udh += s;
			s = Integer.toHexString(getNoOfParts());
			while (s.length() < 2) s = "0" + s;
			udh += s;
			s = Integer.toHexString(partNo);
			while (s.length() < 2) s = "0" + s;
			udh += s;
		}

		switch (getMessageEncoding())
		{
			case MESSAGE_ENCODING_7BIT:
				str2 = textToPDU(getPart(getText(), partNo));
				i = CGSMAlphabet.stringToBytes(getPart(getText(), partNo), new byte[400]);
				if ((srcPort != -1) && (dstPort != -1)) str1 = Integer.toHexString(i + 8);
				else if (isBig()) str1 = Integer.toHexString(i + 8);
				else str1 = Integer.toHexString(i);
				if (str1.length() != 2) str1 = "0" + str1;
				if (((srcPort != -1) && (dstPort != -1)) || (isBig())) pdu = pdu + str1 + udh + str2;
				else pdu = pdu + str1 + str2;
				break;
			case MESSAGE_ENCODING_8BIT:
				str1 = getText();
				str2 = "";
				for (i = 0; i < str1.length(); i ++)
				{
					c = str1.charAt(i);
					str2 = str2 + ((Integer.toHexString((int) c).length() < 2) ? "0" + Integer.toHexString((int) c) : Integer.toHexString((int) c));  
				}
				if ((srcPort != -1) && (dstPort != -1)) str1 = Integer.toHexString(getText().length() + 7);
				else str1 = Integer.toHexString(getText().length());
				if (str1.length() != 2) str1 = "0" + str1;
				if ((srcPort != -1) && (dstPort != -1)) pdu = pdu + str1 + udh + str2;
				else pdu = pdu + str1 + str2;
				break;
			case MESSAGE_ENCODING_UNICODE:
				str1 = getText();
				str2 = "";
				for (i = 0; i < str1.length(); i ++)
				{
					c = str1.charAt(i);
					high = (int) (c / 256);
					low = c % 256;
					str2 = str2 + ((Integer.toHexString(high).length() < 2) ? "0" + Integer.toHexString(high) : Integer.toHexString(high));
					str2 = str2 + ((Integer.toHexString(low).length() < 2) ? "0" + Integer.toHexString(low) : Integer.toHexString(low));
				}
				if ((srcPort != -1) && (dstPort != -1)) str1 = Integer.toHexString((getText().length() * 2) + 7);
				else str1 = Integer.toHexString(getText().length() * 2);
				if (str1.length() != 2) str1 = "0" + str1;
				if ((srcPort != -1) && (dstPort != -1)) pdu = pdu + str1 + udh + str2;
				else pdu = pdu + str1 + str2;
				break;
		}
		return pdu.toUpperCase();
	}

	private String getValidityPeriodBits()
	{
		String bits;
		int value;

		if (validityPeriod == -1) bits = "FF";
		else
		{
			if (validityPeriod <= 12) value = (validityPeriod * 12) - 1;
			else if (validityPeriod <= 24) value = (((validityPeriod - 12) * 2) + 143);
			else if (validityPeriod <= 720) value = (validityPeriod / 24) + 166;
			else value = (validityPeriod / 168) + 192;
			bits = Integer.toHexString(value);
			if (bits.length() != 2) bits = "0" + bits;
			if (bits.length() > 2) bits = "FF";
		}
		return bits;
	}

	private String textToPDU(String txt) throws Exception
	{
		String pdu, str1;
		byte[] bytes, oldBytes, newBytes;
		BitSet bitSet;
		int i, j, k, value1, value2;

		bytes = new byte[400];
		i = CGSMAlphabet.stringToBytes(txt, bytes);
		oldBytes = new byte[i];
		for (j = 0; j < i; j ++) oldBytes[j] = bytes[j];
		bitSet = new BitSet(oldBytes.length * 8);

		value1 = 0;
		for (i = 0; i < oldBytes.length; i ++)
			for (j = 0; j < 7; j ++)
			{
				value1 = (i * 7) + j;
				if ((oldBytes[i] & (1 << j)) != 0) bitSet.set(value1);
			}
		value1 ++;

		if (((value1 / 56) * 56) != value1) value2 = (value1 / 8) + 1;
		else value2 = (value1 / 8);
		if (value2 == 0) value2 = 1;

		newBytes = new byte[value2];
		for (i = 0; i < value2; i ++)
			for (j = 0; j < 8; j ++)
				if ((value1 + 1) > ((i * 8) + j))
					if (bitSet.get(i * 8 + j)) newBytes[i] |= (byte) (1 << j);

		pdu = "";
		for (i = 0; i < value2; i ++)
		{
			str1 = Integer.toHexString((int) newBytes[i]);
			if (str1.length() != 2) str1 = "0" + str1;
			str1 = str1.substring(str1.length() - 2, str1.length());
			pdu += str1;
		}
		return pdu;
	}

	private String toBCDFormat(String s)
	{
		String bcd;
		int i;

		if ((s.length() % 2) != 0) s = s + "F";
		bcd = "";
		for (i = 0; i < s.length(); i += 2) bcd = bcd + s.charAt(i + 1) + s.charAt(i);
		return bcd; 
	}
}