Fix reddit submit

spring-security-oauth/src/main/java/org/baeldung/web/RedditController.java

@@ -17,6 +17,8 @@ import org.springframework.security.oauth2.client.resource.UserApprovalRequiredE
 import org.springframework.security.oauth2.client.resource.UserRedirectRequiredException;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
@@ -43,7 +45,7 @@ public class RedditController {
             throw e;
         } catch (Exception e) {
             LOGGER.error("Error occurred", e);
-            model.addAttribute("error", e.getLocalizedMessage());
+            model.addAttribute("error", e.getMessage());
         }
         return "reddit";
     }
@@ -51,20 +53,21 @@ public class RedditController {
     @RequestMapping("/submit")
     public String submit(Model model, @RequestParam Map<String, String> formParams) {
         try {
-            System.out.println(formParams.keySet());
+            MultiValueMap<String, String> param = new LinkedMultiValueMap<String, String>();
-            HttpHeaders headers = new HttpHeaders();
+            param.add("api_type", "json");
-            headers.setContentType(MediaType.APPLICATION_JSON);
+            param.add("kind", "link");
-            HttpEntity req = new HttpEntity(headers);
+            param.add("resubmit", "true");
+            param.add("sendreplies", "false");
+            param.add("then", "comments");
 
-            Map<String, String> param = new HashMap<String, String>();
+            for (Map.Entry<String, String> entry : formParams.entrySet()) {
-            param.put("api_type", "json");
+                param.add(entry.getKey(), entry.getValue());
-            param.put("kind", "link");
+            }
-            param.putAll(formParams);
 
-            System.out.println(param.keySet());
+            LOGGER.info("User submitting Link with these parameters: " + formParams.entrySet());
-            System.out.println(param.entrySet());
+            String result = redditRestTemplate.postForObject("https://oauth.reddit.com/api/submit", param, String.class);
-            ResponseEntity<String> result = redditRestTemplate.postForEntity("https://oauth.reddit.com/api/submit", req, String.class, param);
+            LOGGER.info("Full Reddit Response: " + result);
-            String responseMsg = parseResponseMessage(result.getBody());
+            String responseMsg = parseResponse(result);
             model.addAttribute("msg", responseMsg);
         } catch (UserApprovalRequiredException e) {
             throw e;
@@ -97,7 +100,7 @@ public class RedditController {
         return "submissionForm";
     }
 
-    //
+    // === private
 
     private List<String> getSubreddit() throws JsonProcessingException, IOException {
         String result = redditRestTemplate.getForObject("https://oauth.reddit.com/subreddits/popular?limit=50", String.class);
@@ -128,15 +131,20 @@ public class RedditController {
         return split[split.length - 2];
     }
 
-    private String parseResponseMessage(String responseBody) {
+    private String parseResponse(String responseBody) throws JsonProcessingException, IOException {
-        System.out.println(responseBody);
+        String result = "";
-        int index = responseBody.indexOf("error");
+        JsonNode node = new ObjectMapper().readTree(responseBody);
-        if (index == -1) {
+        JsonNode errorNode = node.get("json").get("errors").get(0);
-            return "Post submitted successfully";
+        for (JsonNode child : errorNode) {
-        } else {
+            result = result + child.toString().replaceAll("\"|null", "") + "<br>";
-            int msgEnd = responseBody.indexOf("\"", index);
-            return responseBody.substring(index, msgEnd);
         }
+        if (result.length() == 0) {
+            if (node.get("json").get("data") != null && node.get("json").get("data").get("url") != null)
+                return "Post submitted successfully <a href=\"" + node.get("json").get("data").get("url").asText() + "\"> check it out </a>";
+            else
+                return "Error Occurred";
+        }
+        return result;
     }
 
     public void setRedditRestTemplate(OAuth2RestTemplate redditRestTemplate) {

spring-security-oauth/src/main/webapp/WEB-INF/jsp/reddit.jsp

@@ -3,14 +3,17 @@
 <head>
 
 <title>Spring Security OAuth</title>
+<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
+
 </head>
 <body>
+<div class="container">
 <c:choose>
     <c:when test="${info != null}">
         <h1>Your Reddit Info</h1>
         <b>Your reddit username is </b>${info}
         <br><br><br>
-        <a href="post">Submit to Reddit</a>
+        <a href="post" class="btn btn-primary">Submit to Reddit</a>
     </c:when>
     <c:otherwise> 
         <b>Sorry, error occurred</b> 
@@ -18,5 +21,6 @@
         <div>${error}</div>
     </c:otherwise>
 </c:choose>
+</div>
 </body>
 </html>

spring-security-oauth/src/main/webapp/WEB-INF/jsp/submissionResponse.jsp

@@ -3,10 +3,13 @@
 <head>
 
 <title>Spring Security OAuth</title>
+<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
+
 </head>
 <body>
+<div class="container">
 <h1>${msg}</h1>
-<a href="post">Submit another link to Reddit</a>
+<a href="post" class="btn btn-primary">Submit another link to Reddit</a>
-
+</div>
 </body>
 </html>

spring-security-oauth/src/main/webapp/index.jsp

@@ -5,11 +5,12 @@
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 <title>Spring Security OAuth</title>
+<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">
 </head>
 <body>
-	
+<div class="container">
 <h1>Welcome to Spring Security OAuth</h1>
-<a href="info">Login with Reddit</a>
+<a href="info" class="btn btn-primary">Login with Reddit</a>
 			
 </body>
 </html>