MML with Java

A man-machine language or MML is a specification language. MML typically are defined to standardize the interfaces for managing a telecommunications or network device from a console.
If you are using on java below code sample helpful to MML utilisation with java.

This class used to get subscriber's account info


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.Socket;
import java.io.*;
import java.net.UnknownHostException;

public class MMLCommandGen{

/**
* @param args
*/
Socket inSocket = null;
//PrintWriter out = null;
BufferedOutputStream out1 = null;
BufferedReader in = null;
public static String strStartFlag="`SC`"; //4 bytes

String strMsgHeader=""; //28 bytes

public static String hdVrsnNo="1.02"; //4 bytes
static String hdTrmnlId="internal"; //8 bytes
String hdSrvcName="SRVM"; //8 bytes
static String hdLangType="english"; //8 bytes

String strSsnHeader=""; //18 bytes

String ssnId="";//8 bytes
String ssnCtrlChar="DLGLGN";//6 bytes
static String ssnRsrvdFld="0000";//4 bytes

String strTxnHeader=""; //18 bytes

String txnId="1";//8 bytes
String txnCtrlChar="TXBEG";//6 bytes
//static String txnRsrvdFld="00";//4 bytes
static String txnRsrvdFld="0000";//4 bytes

int msgLenth=0;
String strMsgLength=""; //4 bytes


String strOprInfo="DISP PPS ACNTINFO:MSISDN=0000000000"; //upto 64kb

String strChkSum=""; //8 bytes

String inCommand="";

public String getHdLangType() {
return hdLangType;
}

public static void setHdLangType(String LangType) {
int hdLangTypeLnth=LangType.length();
for (int i=0;i<8-hdLangTypeLnth; i++){
LangType=" "+LangType;
}
hdLangType = LangType;
}

public String getHdSrvcName() {
return hdSrvcName;
}

public void setHdSrvcName(String hdSrvcName) {
int hdSrvcNameLnth=hdSrvcName.length();
for (int i=0;i<8-hdSrvcNameLnth; i++){
hdSrvcName=" "+hdSrvcName;
}
this.hdSrvcName = hdSrvcName;
}

public String getHdTrmnlId() {
return hdTrmnlId;
}

public static void setHdTrmnlId(String hdTmnlId) {
int hdTrmnlIdLnth=hdTmnlId.length();
for (int i=0;i<8-hdTrmnlIdLnth; i++){
hdTmnlId=" "+hdTmnlId;
}
hdTrmnlId = hdTmnlId;
}

public String getHdVrsnNo() {
return hdVrsnNo;
}

public void setHdVrsnNo(String hdVrsnNo) {
this.hdVrsnNo = hdVrsnNo;
}

public String getStrMsgHeader() {
return strMsgHeader;
}

public void setStrMsgHeader(String hdSrvcName) {
setHdSrvcName(hdSrvcName);
this.strMsgHeader =hdVrsnNo+hdTrmnlId+this.hdSrvcName+hdLangType;
}

public String getSsnCtrlChar() {
return ssnCtrlChar;
}

public void setSsnCtrlChar(String ssnCtrlChar) {
int ssnCtrlCharLnth=ssnCtrlChar.length();
for (int i=0;i<6-ssnCtrlCharLnth; i++){
ssnCtrlChar=" "+ssnCtrlChar;
}
this.ssnCtrlChar = ssnCtrlChar;
}

public String getSsnId() {
return ssnId;
}

public void setSsnId(String ssnId) {
int ssnIdLnth=ssnId.length();
for (int i=0;i<8-ssnIdLnth; i++){//=(8-)
ssnId="0"+ssnId;
}
this.ssnId = ssnId;
}

public String getSsnRsrvdFld() {
return ssnRsrvdFld;
}

public static void setSsnRsrvdFld(String rsrvdFld) {
int ssnRsrvdFldLnth=rsrvdFld.length();
for (int i=0;i<4-ssnRsrvdFldLnth; i++){
rsrvdFld="0"+rsrvdFld;
}
ssnRsrvdFld = rsrvdFld;
}

public String getStrSsnHeader() {
return strSsnHeader;
}

public void setStrSsnHeader(String ssnId,String ssnCtrlChar) {
setSsnId(ssnId);
setSsnCtrlChar(ssnCtrlChar);
this.strSsnHeader=this.ssnId+this.ssnCtrlChar+ssnRsrvdFld;
}

public String getStrTxnHeader() {
return strTxnHeader;
}

public void setStrTxnHeader(String txnId,String txnCtrlChar,String txnRsrvdFld) {
setTxnId(txnId);
setTxnCtrlChar(txnCtrlChar);
setTxnRsrvdFld(txnRsrvdFld);
this.strTxnHeader =this.txnId+this.txnCtrlChar+this.txnRsrvdFld;
}

public String getTxnCtrlChar() {
return txnCtrlChar;
}

public void setTxnCtrlChar(String txnCtrlChar) {
int txnCtrlCharLnth=txnCtrlChar.length();
for (int i=0;i<6-txnCtrlCharLnth; i++){
txnCtrlChar=" "+txnCtrlChar;
}
this.txnCtrlChar = txnCtrlChar;
}

public String getTxnId() {
return txnId;
}

public void setTxnId(String txnId) {
int txnIdLnth=txnId.length();
for (int i=0;i<8-txnIdLnth; i++){
txnId="0"+txnId;
}
this.txnId = txnId;
}

public String getTxnRsrvdFld() {
return txnRsrvdFld;
}

public static void setTxnRsrvdFld(String tRsrvdFld) {
int txnRsrvdFldLnth=tRsrvdFld.length();
for (int i=0;i<4-txnRsrvdFldLnth; i++){
tRsrvdFld="0"+tRsrvdFld;
}
txnRsrvdFld = tRsrvdFld;
}

public int getMsgLenth() {
return msgLenth;
}

public void setMsgLenth(int msgLenth) {
this.msgLenth = strMsgHeader.length()+strSsnHeader.length()+strTxnHeader.length()+strOprInfo.length();
}

public String getStrOprInfo() {
return strOprInfo;
}

public void setStrOprInfo(String strOprInfo) {
int strOprInfoLnth=strOprInfo.length()%4;
for (int i=0;i<4-strOprInfoLnth; i++){
strOprInfo=strOprInfo+" ";
}
this.strOprInfo = strOprInfo;
}

public String getStrMsgLength() {
return strMsgLength;
}

public void setStrMsgLength() {
msgLenth = strMsgHeader.length()+strSsnHeader.length()+strTxnHeader.length()+strOprInfo.length();
this.strMsgLength = Integer.toHexString(0x10000|msgLenth).substring(1).toUpperCase();
}

public String getStrChkSum() {
return strChkSum;
}

public void setStrChkSum() {

StringBuffer chkSumSb = new StringBuffer(strMsgHeader+strSsnHeader+strTxnHeader+strOprInfo);

char []res=new char[4];

for (int j = 0; j < res.length; j++) {
for (int i = j; i < chkSumSb.length(); i = i + 4) {
res[j] = (char) (res[j] ^ chkSumSb.charAt(i));
}
res[j] = (char) ((~res[j]) & 0x00ff);
}

strChkSum="";

for(int i =0;i<4;i++){
strChkSum=strChkSum+Integer.toHexString((int)res[i]);
}
this.strChkSum=strChkSum.toUpperCase();
}

public String getInCommand() {
return inCommand;
}

public void setInCommand() {
System.out.println("strStartFlag+strMsgLength+strMsgHeader+strSsnHeader+strTxnHeader+strOprInfo+strChkSum"+strSsnHeader+strTxnHeader);
this.inCommand = strStartFlag+strMsgLength+strMsgHeader+strSsnHeader+strTxnHeader+strOprInfo+strChkSum;
}

public void setInCommand(String cmd) {
this.inCommand = cmd;
}

public void setSocketConnection()throws UnknownHostException,IOException{

inSocket = new Socket("127.0.0.1",8080);
}

public void socketWriter(String command)throws IOException{

out1 = new BufferedOutputStream(inSocket.getOutputStream());
OutputStreamWriter out = new OutputStreamWriter(out1, "US-ASCII");
out.write(getInCommand());

out.close();
}

public String socketReader()throws IOException{
String resp="";

in = new BufferedReader(new InputStreamReader(inSocket.getInputStream()));

resp=in.readLine();

return resp;
}



}