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package org.glassfish.tests.paas.basic;
import javax.annotation.Resource;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.sql.DataSource;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.String;
import java.util.Enumeration;
public final class BookStoreServlet extends HttpServlet {
@Resource(mappedName = "jdbc/__bookstore")
private DataSource ds = null;
private boolean createdTables = false;
/**
* Respond to a GET request for the content produced by
* this servlet.
*
* @param request The servlet request we are processing
* @param response The servlet response we are producing
* @throws IOException if an input/output error occurs
* @throws ServletException if a servlet error occurs
*/
public void service(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException {
System.out.println("Servlet processing do get..");
response.setContentType("text/html");
PrintWriter writer = response.getWriter();
writer.println("<html>");
writer.println("<head>");
writer.println("<title>Simple PaaS Enabled BookStore Application</title>");
writeCSS(writer);
writer.println("</head>");
writer.println("<body bgcolor=white>");
writer.println("<table border=\"0\">");
writer.println("<tr>");
writer.println("<td>");
writer.println("<img height=\"200\" width=\"200\" src=\"images/bookstore.gif\">");
writer.println("</td>");
writer.println("<td>");
writer.println("<h1>Simple PaaS Enabled BookStore Application</h1>");
writer.println("</td>");
writer.println("</tr>");
writer.println("</table>");
writer.println("<table border=\"0\" width=\"100%\">");
writer.println("<p>This application is served by <b>" +
getServletContext().getServerInfo() + "</b> [" +
System.getProperty("com.sun.aas.instanceName") + "]</p>");
writer.println("Please wait while accessing the bookstore database.....");
writer.println("</table>");
if (ds != null) {
DatabaseOperations operations = new DatabaseOperations();
String userName = "World";//System.getenv("USER");
operations.createAccessInfoTable(ds, writer);
operations.createBookStoreTable(ds, writer);
operations.updateAccessInfo(ds, userName, writer);
operations.addBookToTable(ds, request.getParameter("title"),
request.getParameter("authors"), request.getParameter("price"));
operations.printBooksTable(ds, writer);
generateNewBookForm(writer);
}
writer.println("<p/><a href=\'BookStoreServlet\'>My Home</a>");
writer.println("<p><font color=red>Thanks for using Oracle PaaS Solutions</font></p>");
writer.println("</body>");
writer.println("</html>");
}
private void writeCSS(PrintWriter out) {
out.println("<style type=\"text/css\">"
+ "table {"
+ "width:90%;"
+ "border-top:1px solid #e5eff8;"
+ "border-right:1px solid #e5eff8;"
+ "margin:1em auto;"
+ "border-collapse:collapse;"
+ "}"
+ "td {"
+ "color:#678197;"
+ "border-bottom:1px solid #e5eff8;"
+ "border-left:1px solid #e5eff8;"
+ "padding:.3em 1em;"
+ "text-align:center;"
+ "}"
+ "</style>");
}
private void generateNewBookForm(PrintWriter out) {
out.println("<form name=\'add_new_book\' method=\'GET\' action=\'BookStoreServlet\'>");
out.println("<p/><b>Add a new book to the store:</b>");
out.println("<table>");
out.println("<tr><td>Title: </td><td><input type=text name=\'title\' size=30 " +
"value=\'Developing PaaS Components\'></td></tr>");
out.println("<tr><td>Author(s): </td><td><input type=text name=\'authors\' size=30 " +
"value=\'Shalini M\'></td></tr>");
out.println("<tr><td>Price:</td><td><input type=text name=\'price\' size=30 value=\'100$\'></td></tr>");
out.println("<tr><td></td><td><input type=submit value=\'Add This Book\'></td></tr>");
out.println("</table>");
out.println("</form>");
}
}