Voicent Gateway Outbound Application Tutorial: The Sample List

Gateway Outbound Application Tutorial: The Sample List

The surveyHander.jsp is listed here. You can also download the whole sample file here.

<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.net.*" %>

<%@ page isThreadSafe="false" %>

<%!
static class CallRecord
{
 public CallRecord(String phoneno)
 {
 m_phoneno = phoneno;
 m_name = m_names[m_random.nextInt(3)];
 m_carmaker = m_makers[m_random.nextInt(3)];
 m_date = m_dates[m_random.nextInt(3)];
 m_callId = null;
 m_callStatus = null;
 }

 public String m_phoneno, m_name, m_carmaker, m_date, m_callId, m_callStatus;

 // randomly assign the value to a phone number
 static Random m_random = new Random(12345);
 static String m_names[] = { "John Smith", "Mary Jones", "Lisa Wells" };
 static String m_makers[] = { "Honda Accord", "Ford Escort", "BMW 545i" };
 static String m_dates[] = { "Monday Jan 20", "Tuesday Feb 12", "Friday June 30" };
}

public static ArrayList m_callRecords = new ArrayList();
%>

<%!
// The routines below are simplifies implementations of the gateway
// client library. Please note the format might change in future releases. It is
// highly recommended to use the Gateway Client Library for commercial applications

// send name value pairs to the gateway for the call
void sendCallRequest(CallRecord rec)
{
 // setting the required http post string
 String poststr = "info=";
 poststr += URLEncoder.encode("Survey Call " + rec.m_phoneno);
 poststr += "&phoneno=";
 poststr += rec.m_phoneno;
 poststr += "&firstocc=120";

 // append parameters to starturl string
 String starturl = "http://localhost:8155/ocall/myapp/start.jsp";
 starturl += "?name=" + rec.m_name;
 starturl += "&maker=" + rec.m_carmaker;
 starturl += "&date=" + rec.m_date;
 poststr += "&starturl=";
 poststr += URLEncoder.encode(starturl);

 // now the generic parameters for parameterized VXML
 // The name must match the one used in the VXML file

 poststr += "&customer_name=";
 poststr += URLEncoder.encode(rec.m_name);
 poststr += "&service_date=";
 poststr += URLEncoder.encode(rec.m_date);
 poststr += "&car_maker=";
 poststr += URLEncoder.encode(rec.m_carmaker);

 // Send Call Request
 String rcstr = postToGateway("/ocall/callreqHandler.jsp", poststr);
 rec.m_callId = getReqId(rcstr);
}

// get the call status based on callId
void getCallStatus(CallRecord rec)
{
 // setting the http post string
 String poststr = "reqid=";
 poststr += URLEncoder.encode(rec.m_callId);

 // Send Call Request
 String rcstr = postToGateway("/ocall/callstatusHandler.jsp", poststr);

 rec.m_callStatus = getCallStatus(rcstr);

 // now remove it on the gateway
 if (rec.m_callStatus != null)
 postToGateway("/ocall/callremoveHandler.jsp", poststr);
}

// send HTTP POST to Voicent Gateway
private String postToGateway(String urlstr, String poststr)
{
 try {
 URL url = new URL("http", "localhost", 8155, urlstr);
 HttpURLConnection conn = (HttpURLConnection) url.openConnection();

 conn.setDoInput(true);
 conn.setDoOutput(true);
 conn.setRequestMethod("POST");

 PrintWriter out = new PrintWriter(conn.getOutputStream());
 out.print(poststr);
 out.close();

 InputStream in = conn.getInputStream();

 StringBuffer rcstr = new StringBuffer();
 byte[] b = new byte[4096];
 int len;
 while ((len = in.read(b)) != -1)
 rcstr.append(new String(b, 0, len));
 return rcstr.toString();
 }
 catch (Exception e) {
 e.printStackTrace();
 return "";
 }
}

// process the call request return.
private String getReqId(String rcstr)
{
 int index1 = rcstr.indexOf("[ReqId=");
 if (index1 == -1)
 return "";
 index1 += 7;

 int index2 = rcstr.indexOf("]", index1);
 if (index2 == -1)
 return "";

 return rcstr.substring(index1, index2);
}

private String getCallStatus(String rcstr)
{
 if (rcstr.indexOf("^made^") != -1)
 return "Call Made";

 if (rcstr.indexOf("^failed^") != -1)
 return "Call Failed";

 if (rcstr.indexOf("^retry^") != -1)
 return "Call Will Retry";

 return null;
}

private int getRateTotal(ServletContext app, String key)
{
 Integer ii = (Integer) app.getAttribute(key);
 if (ii == null)
 return 0;
 return ii.intValue();
}

%>

<%
String act = request.getParameter("action");
if (! "report".equals(act)) { // call start
 String phonelist = request.getParameter("phonelist");
 StringTokenizer tkz = new StringTokenizer(phonelist, ",");
 String phoneno;
 while (tkz.hasMoreTokens()) {
 phoneno = tkz.nextToken();
 CallRecord rec = new CallRecord(phoneno);
 sendCallRequest(rec);
 m_callRecords.add(rec);
 }
}
%>

<html>
<head>
<meta http-equiv="Content-Language" content="en-us">
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>Customer Satisfactory Survey: Report</title>
</head>
<body>

Customer Satisfactory Survey

<form method="POST" action="surveyHandler.jsp">
<input type="hidden" name="action" value="report">
<input type="submit" value="Show the current survey report" name="B1">
</form>

<%
// check call status from the list
int callsToBeMade = 0;
int callsFailed = 0;
for (int i = 0; i < m_callRecords.size(); i++) {
 CallRecord rec = (CallRecord) m_callRecords.get(i);
 if (rec.m_callStatus == null) {
 getCallStatus(rec);
 if (rec.m_callStatus == null) {
 callsToBeMade++;
 continue;
 }
 }
 if (rec.m_callStatus.equals("Call Failed"))
 callsFailed++;
}

// get the rest from application vars
int answeringTotal = getRateTotal(application, "anstotal");
int rate1 = getRateTotal(application, "rate1");
int rate2 = getRateTotal(application, "rate2");
int rate3 = getRateTotal(application, "rate3");
int rate4 = getRateTotal(application, "rate4");
int rate5 = getRateTotal(application, "rate5");
int norate = m_callRecords.size()
 - (callsToBeMade + callsFailed + answeringTotal)
 - (rate1 + rate2 + rate3 + rate4 + rate5);
%>

<hr>
<table border="0" cellpadding="10" cellspacing="10" style="border-collapse: collapse" bordercolor="#111111" width="100%" id="AutoNumber1">
<tr>
<td width="27%" align="right">
Total calls:</td>
<td width="73%"><%=m_callRecords.size()%></td>
</tr>
<tr>
<td width="27%" align="right">
Calls to be made:</td>
<td width="73%"><%=callsToBeMade%></td>
</tr>
<tr>
<td width="27%" align="right">
Calls reached
answering machine:</td>
<td width="73%"><%=answeringTotal%></td>
</tr>
<tr>
<td width="27%" align="right">
Calls failed:</td>
<td width="73%"><%=callsFailed%></td>
</tr>
<tr>
<td width="27%" align="right">
Customers rated us 1:</td>
<td width="73%"><%=rate1%></td>
</tr>
<tr>
<td width="27%" align="right">
Customers rated us 2:</td>
<td width="73%"><%=rate2%></td>
</tr>
<tr>
<td width="27%" align="right">
Customers rated us 3:</td>
<td width="73%"><%=rate3%></td>
</tr>
<tr>
<td width="27%" align="right">
Customers rated us 4:</td>
<td width="73%"><%=rate4%></td>
</tr>
<tr>
<td width="27%" align="right">
Customers rated us 5:</td>
<td width="73%"><%=rate5%></td>
</tr>
<tr>
<td width="27%" align="right">
Customers did not rate
us:</td>
<td width="73%"><%=norate%></td>
</tr>
</table>

</body>
</html>

Previous Table of Contents

PBX

Gateway Simple Interface

Application Interface

Gateway GUI Interface

Gateway Interface

Knowledge Base

Gateway Outbound Application Tutorial: The Sample List