📄 errorpageservlet.java
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/*
* ErrorPageServlet.java
*
*
*/
package com.dvd.view;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
// Support classes
import java.io.IOException;
import java.io.PrintWriter;
// Model classes
import java.util.List;
import java.util.Iterator;
/**
*
* @author
* @version
*/
public class ErrorPageServlet extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException {
processRequest(request, response);
}
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws IOException {
processRequest(request, response);
}
public void processRequest(HttpServletRequest request,
HttpServletResponse response)
throws IOException {
// Retrieve the errorMsgs from the request-scope
List errorMsgs = (List) request.getAttribute("errorMsgs");
// Specify the content type is HTML
response.setContentType("text/html");
PrintWriter out = response.getWriter();
// Generate the HTML response
out.println("<html>");
out.println("<head>");
out.println("<title>DVD Library Application: Error Page</title>");
out.println("</head>");
out.println("<body bgcolor='white'>");
out.println("<h2>Error Report</h2>");
out.println("<font color='red'>Please correct the following errors:");
out.println("<ul>");
Iterator items = errorMsgs.iterator();
while ( items.hasNext() ) {
String message = (String) items.next();
out.println(" <li>" + message + "</li>");
}
out.println("</ul>");
out.println("Back up and try again.");
out.println("</font>");
out.println("</body>");
out.println("</html>");
out.close();
}
}
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