From 921ddb56bd1a740812fdd38b6589f58a89d3099d Mon Sep 17 00:00:00 2001
From: mkk <monkeyk1987@gmail.com>
Date: Mon, 18 May 2015 22:49:52 +0800
Subject: [PATCH] Show error info on login page

---
 src/main/webapp/login.jsp | 117 ++++++++++++++++++++------------------
 1 file changed, 61 insertions(+), 56 deletions(-)
diff --git a/src/main/webapp/login.jsp b/src/main/webapp/login.jsp
index 4ad70e1..f422514 100644
--- a/src/main/webapp/login.jsp
+++ b/src/main/webapp/login.jsp
@@ -1,57 +1,62 @@
-<%--
- * 
- * @author Shengzhao Li
---%>
-
-<%@ page contentType="text/html;charset=UTF-8" language="java" %>
-<!DOCTYPE HTML>
-<html>
-<head>
-    <title>Oauth login</title>
-</head>
-<body>
-<h2>Oauth login</h2>
-
-<form action="${contextPath}/login.do" method="post">
-
-    <label for="username">Username:</label>
-    <input type="text" id="username" name="j_username" value="" required="required"/>
-    <br/>
-    <br/>
-    <label for="password">Password:</label>
-    <input type="password" name="j_password" id="password" value="" required="required"/>
-    <br/>
-    <input type="submit" value="Login"/>
-</form>
-<div>
-    <p>You can use the users to login as follow:</p>
-    <table style="border: 1px solid #eee;">
-        <thead>
-        <tr>
-            <th>Username</th>
-            <th>Password</th>
-            <th>Privileges</th>
-        </tr>
-        </thead>
-        <tbody>
-        <tr>
-            <td>admin</td>
-            <td>admin</td>
-            <td>All privileges, allow visit [Mobile] and [Unity] resources</td>
-        </tr>
-        <tr>
-            <td>unity</td>
-            <td>unity</td>
-            <td>Only allow visit [Unity] resource, support grant_type:
-                <em>authorization_code,refresh_token,implicit</em></td>
-        </tr>
-        <tr>
-            <td>mobile</td>
-            <td>mobile</td>
-            <td>Only allow visit [Mobile] resource, support grant_type: <em>password,refresh_token</em></td>
-        </tr>
-        </tbody>
-    </table>
-</div>
-</body>
+<%--
+ * 
+ * @author Shengzhao Li
+--%>
+
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<!DOCTYPE HTML>
+<html>
+<head>
+    <title>Oauth login</title>
+</head>
+<body>
+<h2>Oauth login</h2>
+
+<form action="${contextPath}/login.do" method="post">
+
+    <label for="username">Username:</label>
+    <input type="text" id="username" name="j_username" value="" required="required"/>
+    <br/>
+    <br/>
+    <label for="password">Password:</label>
+    <input type="password" name="j_password" id="password" value="" required="required"/>
+    <br/>
+    <input type="submit" value="Login"/>
+    <span style="color:red;">
+        <c:if test="${param.authorization_error eq 2}">Access denied !!!</c:if>
+        <c:if test="${param.authentication_error eq 1}">Authentication Failure</c:if>
+    </span>
+</form>
+<div>
+    <p>You can use the users to login as follow:</p>
+    <table style="border: 1px solid #eee;">
+        <thead>
+        <tr>
+            <th>Username</th>
+            <th>Password</th>
+            <th>Privileges</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr>
+            <td>admin</td>
+            <td>admin</td>
+            <td>All privileges, allow visit [Mobile] and [Unity] resources</td>
+        </tr>
+        <tr>
+            <td>unity</td>
+            <td>unity</td>
+            <td>Only allow visit [Unity] resource, support grant_type:
+                <em>authorization_code,refresh_token,implicit</em></td>
+        </tr>
+        <tr>
+            <td>mobile</td>
+            <td>mobile</td>
+            <td>Only allow visit [Mobile] resource, support grant_type: <em>password,refresh_token</em></td>
+        </tr>
+        </tbody>
+    </table>
+</div>
+</body>
 </html>
\ No newline at end of file

Username	Password	Privileges
admin	admin	All privileges, allow visit [Mobile] and [Unity] resources
unity	unity	Only allow visit [Unity] resource, support grant_type: - authorization_code,refresh_token,implicit
mobile	mobile	Only allow visit [Mobile] resource, support grant_type: password,refresh_token