From b20f7633312b2f9af6207150e5288f583e9e1024 Mon Sep 17 00:00:00 2001
From: Ugnich Anton
Date: Mon, 27 Jan 2014 03:18:29 +0700
Subject: mids.isEmpty bugfix

---
 src/java/com/juick/rss/Main.java | 58 +++++++++++++++++++++-------------------
 1 file changed, 31 insertions(+), 27 deletions(-)

(limited to 'src/java/com/juick/rss')

diff --git a/src/java/com/juick/rss/Main.java b/src/java/com/juick/rss/Main.java
index 65169fbb..827ecf39 100644
--- a/src/java/com/juick/rss/Main.java
+++ b/src/java/com/juick/rss/Main.java
@@ -48,26 +48,26 @@ import javax.servlet.http.HttpServletResponse;
  */
 @WebServlet(name = "Main", urlPatterns = {"/"})
 public class Main extends HttpServlet {
-
+    
     private static SimpleDateFormat sdfSQL = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
     private static SimpleDateFormat sdfRSS = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z");
     Connection sql;
-
+    
     @Override
     public void init() throws ServletException {
         super.init();
         try {
             Properties conf = new Properties();
             conf.load(new FileInputStream("/etc/juick/rss.conf"));
-
+            
             Class.forName("com.mysql.jdbc.Driver");
             sql = DriverManager.getConnection("jdbc:mysql://localhost/juick?autoReconnect=true&user=" + conf.getProperty("mysql_username", "") + "&password=" + conf.getProperty("mysql_password", ""));
-
+            
         } catch (Exception e) {
             log(null, e);
         }
     }
-
+    
     @Override
     public void destroy() {
         super.destroy();
@@ -80,13 +80,13 @@ public class Main extends HttpServlet {
             }
         }
     }
-
+    
     @Override
     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         if (request.getCharacterEncoding() == null) {
             request.setCharacterEncoding("UTF-8");
         }
-
+        
         String uri = request.getRequestURI();
         if (uri.equals("/")) {
             int hours = Utils.parseInt(request.getParameter("hours"), 0);
@@ -109,8 +109,12 @@ public class Main extends HttpServlet {
             int uid = UserQueries.getUIDbyName(sql, uname);
             if (uid > 0) {
                 ArrayList<Integer> mids = MessagesQueries.getUserBlog(sql, uid, 0, 0);
-                ArrayList<Message> msgs = MessagesQueries.getMessages(sql, mids);
-                responseMessages(response, uid, uname, msgs);
+                if (!mids.isEmpty()) {
+                    ArrayList<Message> msgs = MessagesQueries.getMessages(sql, mids);
+                    responseMessages(response, uid, uname, msgs);
+                } else {
+                    response.sendError(404);
+                }
             } else {
                 response.sendError(404);
             }
@@ -118,10 +122,10 @@ public class Main extends HttpServlet {
             response.sendError(404);
         }
     }
-
+    
     private void responseMessages(HttpServletResponse response, int uid, String uname, ArrayList<Message> msgs) throws IOException {
         response.setContentType("application/rss+xml; charset=UTF-8");
-
+        
         PrintWriter out = response.getWriter();
         try {
             out.println("<?xml version='1.0' encoding='utf-8'?>");
@@ -138,15 +142,15 @@ public class Main extends HttpServlet {
                 out.println("<link>http://juick.com/</link>");
                 out.println("<description>The latest messages at Juick</description>");
             }
-
+            
             Iterator<Message> i = msgs.iterator();
             while (i.hasNext()) {
                 Message msg = i.next();
-
+                
                 out.println("<item>");
                 out.println("<link>http://juick.com/" + msg.User.UName + "/" + msg.MID + "</link>");
                 out.println("<guid>http://juick.com/" + msg.User.UName + "/" + msg.MID + "</guid>");
-
+                
                 out.print("<title><![CDATA[@" + msg.User.UName + ":");
                 if (!msg.Tags.isEmpty()) {
                     for (int n = 0; n < msg.Tags.size(); n++) {
@@ -155,13 +159,13 @@ public class Main extends HttpServlet {
                 }
                 out.println("]]></title>");
                 out.println("<description><![CDATA[" + formatMessage(msg.Text) + "]]></description>");
-
+                
                 try {
                     Date date = sdfSQL.parse(msg.TimestampString);
                     out.println("<pubDate>" + sdfRSS.format(date) + "</pubDate>");
                 } catch (ParseException e) {
                 }
-
+                
                 out.println("<comments>http://juick.com/" + msg.User.UName + "/" + msg.MID + "</comments>");
                 if (!msg.Tags.isEmpty()) {
                     for (int n = 0; n < msg.Tags.size(); n++) {
@@ -180,26 +184,26 @@ public class Main extends HttpServlet {
                 out.println("<juick:user uid='" + msg.User.UID + "'/>");
                 out.println("</item>");
             }
-
+            
             out.println("</channel></rss>");
         } finally {
             out.close();
         }
     }
-
+    
     private void responseReplies(HttpServletResponse response, int hours) throws IOException {
         response.setContentType("application/rss+xml; charset=UTF-8");
-
+        
         PrintWriter out = response.getWriter();
         try {
-
+            
             out.println("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
             out.println("<rss version=\"2.0\" xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" xmlns:ya=\"http://blogs.yandex.ru/yarss/\" xmlns:media=\"http://search.yahoo.com/mrss/\">");
             out.println("<channel>");
             out.println("<title>Juick</title>");
             out.println("<link>http://juick.com/</link>");
             out.println("<description>The latest comments at Juick</description>");
-
+            
             PreparedStatement stmt = null;
             ResultSet rs = null;
             try {
@@ -212,7 +216,7 @@ public class Main extends HttpServlet {
                     int mid = rs.getInt(2);
                     int rid = rs.getInt(3);
                     String uname = rs.getString(4);
-
+                    
                     out.println("<item>");
                     out.println("<ya:post>http://juick.com/" + muname + "/" + mid + "</ya:post>");
                     out.println("<link>http://juick.com/" + muname + "/" + mid + "#" + rid + "</link>");
@@ -238,16 +242,16 @@ public class Main extends HttpServlet {
             } finally {
                 Utils.finishSQL(rs, stmt);
             }
-
+            
             out.println("</channel></rss>");
         } finally {
             out.close();
         }
     }
-
+    
     private ArrayList<Integer> getLastMessages(int hours) {
         ArrayList<Integer> mids = new ArrayList<Integer>(20);
-
+        
         PreparedStatement stmt = null;
         ResultSet rs = null;
         try {
@@ -266,7 +270,7 @@ public class Main extends HttpServlet {
         return mids;
     }
     private static Pattern regexLinks2 = Pattern.compile("((?<=\\s)|(?<=\\A))([\\[\\{]|&lt;)((?:ht|f)tps?://(?:www\\.)?([^\\/\\s\\\"\\)\\!]+)/?(?:[^\\]\\}](?<!&gt;))*)([\\]\\}]|&gt;)");
-
+    
     public static String formatMessage(String msg) {
         msg = msg.replaceAll("&", "&amp;");
         msg = msg.replaceAll("<", "&lt;");
@@ -326,7 +330,7 @@ public class Main extends HttpServlet {
         // > citate
         msg = msg.replaceAll("(?:(?<=\\n)|(?<=\\A))&gt; *(.*)?(\\n|(?=\\Z))", "<blockquote>$1</blockquote>");
         msg = msg.replaceAll("</blockquote><blockquote>", "\n");
-
+        
         msg = msg.replaceAll("\n", "<br/>\n");
         return msg;
     }
-- 
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