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Merge pull request #792 from ankushs92/master 

BAEL-416
This commit is contained in:
Eugen 2016-11-03 02:58:28 -05:00 committed by GitHub
parent 5c56f09445 f27e421c89
commit 4311cee63c
3 changed files with 65 additions and 0 deletions
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52
spring-mvc-xml/src/main/java/com/baeldung/spring/controller/ErrorController.java Normal file
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@ -0,0 +1,52 @@
package com.baeldung.spring.controller;
import javax.servlet.http.HttpServletRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class ErrorController {
@RequestMapping(value = "500Error", method = RequestMethod.GET)
public void throwRuntimeException() {
throw new NullPointerException("Throwing a null pointer exception");
}
@RequestMapping(value = "errors", method = RequestMethod.GET)
public ModelAndView renderErrorPage(HttpServletRequest httpRequest) {
ModelAndView errorPage = new ModelAndView("errorPage");
String errorMsg = "";
int httpErrorCode = getErrorCode(httpRequest);
switch (httpErrorCode) {
case 400: {
errorMsg = "Http Error Code : 400 . Bad Request";
break;
}
case 401: {
errorMsg = "Http Error Code : 401. Unauthorized";
break;
}
case 404: {
errorMsg = "Http Error Code : 404. Resource not found";
break;
}
// Handle other 4xx error codes.
case 500: {
errorMsg = "Http Error Code : 500. Internal Server Error";
break;
}
// Handle other 5xx error codes.
}
errorPage.addObject("errorMsg", errorMsg);
return errorPage;
}
private int getErrorCode(HttpServletRequest httpRequest) {
return (Integer) httpRequest
.getAttribute("javax.servlet.error.status_code");
}
}

10
spring-mvc-xml/src/main/webapp/WEB-INF/view/errorPage.jsp Normal file
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@ -0,0 +1,10 @@
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ page session="false"%>
<html>
<head>
<title>Home</title>
</head>
<body>
<h1>${errorMsg}</h1>
</body>
</html>

3
spring-mvc-xml/src/main/webapp/WEB-INF/web.xml
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@ -43,4 +43,7 @@
<welcome-file>index.jsp</welcome-file> <welcome-file>index.jsp</welcome-file>
</welcome-file-list> </welcome-file-list>
<error-page>
<location>/errors</location>
</error-page>
</web-app> </web-app>