import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class TestServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
static final long serialVersionUID = 1;
public TestServlet() {
super();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int count = parseArguments(request);
String resp = buildResponse(count);
response.setContentType("text/html");
response.getWriter().print( resp );
}
protected int parseArguments(HttpServletRequest request) {
int count = 10;
String countStr = request.getParameter("count");
if (countStr != null)
{
try
{
int radix = 10;
if (countStr.length() >2 && countStr.substring(0, 2).equalsIgnoreCase("0x") )
{
radix = 16;
countStr = countStr.substring(2);
}
count = Integer.parseInt(countStr,radix);
count = Math.min(count, 1000); //overflow protection
count = Math.max(count, 5); //min 5 rows
} catch (NumberFormatException e)
{
//System.out.println(e);
}
}
return count;
}
protected String buildResponse(int count)
{
StringBuilder sb = new StringBuilder();
sb.append("");
sb.append("Servlet hello world\n");
//sb.append("
");
for (int i=1; i<=count; i++) {
sb.append("Hello World! #").append( i ).append("
\n");
}
sb.append("");
return sb.toString();
}
}