SEC-2194: Add Java Config samples

samples/tutorial-xml/src/main/java/bigbank/web/ListAccounts.java

@@ -0,0 +1,33 @@
+package bigbank.web;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.util.Assert;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.Controller;
+
+import bigbank.BankService;
+
+public class ListAccounts implements Controller {
+
+    private final BankService bankService;
+
+    public ListAccounts(BankService bankService) {
+        Assert.notNull(bankService);
+        this.bankService = bankService;
+    }
+
+    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
+        // Security check (this is unnecessary if Spring Security is performing the authorization)
+//        if (request.getUserPrincipal() == null) {
+//            throw new AuthenticationCredentialsNotFoundException("You must login to view the account list (Spring Security message)"); // only for Spring Security managed authentication
+//        }
+
+        // Actual business logic
+        ModelAndView mav = new ModelAndView("listAccounts");
+        mav.addObject("accounts", bankService.findAccounts());
+        return mav;
+    }
+
+}

samples/tutorial-xml/src/main/java/bigbank/web/PostAccounts.java

@@ -0,0 +1,38 @@
+package bigbank.web;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.util.Assert;
+import org.springframework.web.bind.ServletRequestUtils;
+import org.springframework.web.servlet.ModelAndView;
+import org.springframework.web.servlet.mvc.Controller;
+
+import bigbank.Account;
+import bigbank.BankService;
+
+public class PostAccounts implements Controller {
+
+    private final BankService bankService;
+
+    public PostAccounts(BankService bankService) {
+        Assert.notNull(bankService);
+        this.bankService = bankService;
+    }
+
+    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
+        // Security check (this is unnecessary if Spring Security is performing the authorization)
+//        if (!request.isUserInRole("ROLE_TELLER")) {
+//            throw new AccessDeniedException("You must be a teller to post transactions (Spring Security message)");
+//        }
+
+        // Actual business logic
+        Long id = ServletRequestUtils.getRequiredLongParameter(request, "id");
+        Double amount = ServletRequestUtils.getRequiredDoubleParameter(request, "amount");
+        Account a = bankService.readAccount(id);
+        bankService.post(a, amount);
+
+        return new ModelAndView("redirect:listAccounts.html");
+    }
+
+}