58 lines
2.1 KiB
Java
58 lines
2.1 KiB
Java
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package com.baeldung.javaeeannotations;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.ServletConfig;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.HttpConstraint;
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import javax.servlet.annotation.HttpMethodConstraint;
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import javax.servlet.annotation.ServletSecurity;
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import javax.servlet.annotation.WebInitParam;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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@WebServlet(
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name = "BankAccountServlet",
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description = "Represents a Bank Account and it's transactions",
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urlPatterns = {"/account", "/bankAccount" },
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initParams = { @WebInitParam(name = "type", value = "savings") }
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)
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@ServletSecurity(
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value = @HttpConstraint(rolesAllowed = {"admin"}),
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httpMethodConstraints = {@HttpMethodConstraint(value = "POST", rolesAllowed = {"admin"})}
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)
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public class AccountServlet extends javax.servlet.http.HttpServlet {
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String accountType = null;
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@Override
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public void init(ServletConfig config) throws ServletException {
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accountType = config.getInitParameter("type");
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}
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public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
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PrintWriter writer = response.getWriter();
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writer.println("<html>Hello, I am an AccountServlet!</html>");
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writer.flush();
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}
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public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
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double accountBalance = 1000d;
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double interestRate = Double.parseDouble(request.getAttribute("interest").toString());
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String paramDepositAmt = request.getParameter("dep");
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double depositAmt = Double.parseDouble(paramDepositAmt);
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accountBalance = accountBalance + depositAmt;
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PrintWriter writer = response.getWriter();
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writer.println("<html> Balance of " + accountType + " account is: " +
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accountBalance + "<br> This account bares an interest rate of " + interestRate +
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" % </html>");
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writer.flush();
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}
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}
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