jackson-databind WIP

19 files changed, 179 insertions, 135 deletions

diff --git a/build.gradle b/build.gradle
index a3741657..ec5774b6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,6 +14,7 @@ repositories {
 }
 dependencies {
     testCompile project(':juick-core')
+    testCompile 'com.fasterxml.jackson.core:jackson-databind:2.8.0'
     testCompile 'org.springframework:spring-jdbc:4.3.1.RELEASE'
     testCompile 'ch.vorburger.mariaDB4j:mariaDB4j:2.1.3'
     testCompile 'org.slf4j:slf4j-jdk14:1.7.13'
diff --git a/juick-core/build.gradle b/juick-core/build.gradle
index bb10c52b..ac70cb9a 100644
--- a/juick-core/build.gradle
+++ b/juick-core/build.gradle
@@ -6,6 +6,7 @@ repositories {
 
 dependencies {
     compile project(':deps:com.juick.xmpp')
+    compile 'com.fasterxml.jackson.core:jackson-annotations:2.8.0'
     compile 'org.apache.httpcomponents:httpclient:4.5.1'
     compile 'org.apache.commons:commons-lang3:3.4'
     compile "org.springframework:spring-jdbc:4.3.1.RELEASE"
diff --git a/juick-core/src/main/java/com/juick/Message.java b/juick-core/src/main/java/com/juick/Message.java
index c128b4f2..2b66e667 100644
--- a/juick-core/src/main/java/com/juick/Message.java
+++ b/juick-core/src/main/java/com/juick/Message.java
@@ -17,7 +17,10 @@
  */
 package com.juick;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 import java.util.*;
+import java.util.stream.Collectors;
 
 /**
  *
@@ -28,11 +31,12 @@ public class Message implements Comparable {
     private int MID = 0;
     
     private int RID = 0;
-    
+
+    @JsonProperty("replyto")
     public int ReplyTo = 0;
     private String Text = null;
     private User User = null;
-    public List<String> Tags = new ArrayList<>();
+    public List<Tag> Tags = new ArrayList<>();
     private Date date;
     public int TimeAgo = 0;
     public int Privacy = 1;
@@ -49,8 +53,8 @@ public class Message implements Comparable {
     public int Likes = 0;
     private boolean liked = false;
     public List<Message> childs = new ArrayList<>();
-    private Optional<PM> PM = Optional.empty();
-    private Optional<Recommendation> Recommendation = Optional.empty();
+    private PM PM;
+    private Recommendation Recommendation;
 
     public Message() {
     }
@@ -82,7 +86,8 @@ public class Message implements Comparable {
 
     public void parseTags(String strTags) {
         if (strTags != null) {
-            Tags.addAll(Arrays.asList(strTags.split(" ")));
+            List<String> tags = Arrays.asList(strTags.split(" "));
+            Tags.addAll(tags.stream().map(Tag::new).collect(Collectors.toList()));
         }
     }
 
@@ -156,8 +161,8 @@ public class Message implements Comparable {
     public String getTagsString() {
         String ret = "";
         if (!Tags.isEmpty()) {
-            for (String Tag : Tags) {
-                ret += " *" + Tag;
+            for (Tag Tag : Tags) {
+                ret += " *" + Tag.getName();
             }
             if (FriendsOnly) {
                 ret += " *friends";
@@ -178,6 +183,7 @@ public class Message implements Comparable {
         return ret;
     }
 
+    @JsonProperty("mid")
     public int getMID() {
         return MID;
     }
@@ -186,6 +192,7 @@ public class Message implements Comparable {
         this.MID = MID;
     }
 
+    @JsonProperty("rid")
     public int getRID() {
         return RID;
     }
@@ -219,19 +226,19 @@ public class Message implements Comparable {
         this.date = date;
     }
 
-    public Optional<com.juick.PM> getPM() {
+    public com.juick.PM getPM() {
         return PM;
     }
 
     public void setPM(com.juick.PM PM) {
-        this.PM = Optional.ofNullable(PM);
+        this.PM = PM;
     }
 
-    public Optional<Recommendation> getRecommendation() {
+    public Recommendation getRecommendation() {
         return Recommendation;
     }
     public void setRecommendation(Recommendation recommendation) {
-        this.Recommendation = Optional.ofNullable(recommendation);
+        this.Recommendation = recommendation;
     }
 
     public boolean isLiked() {
diff --git a/juick-core/src/main/java/com/juick/Tag.java b/juick-core/src/main/java/com/juick/Tag.java
index 119aad99..8b790377 100644
--- a/juick-core/src/main/java/com/juick/Tag.java
+++ b/juick-core/src/main/java/com/juick/Tag.java
@@ -17,6 +17,9 @@
  */
 package com.juick;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonValue;
+
 import java.util.Objects;
 
 /**
@@ -25,11 +28,15 @@ import java.util.Objects;
  */
 public class Tag {
 
-    public String Name = null;
+    private String Name;
     public int TID = 0;
     public int SynonymID = 0;
     public int UsageCnt = 0;
 
+    public Tag(String name) {
+        this.Name = name;
+    }
+
     @Override
     public boolean equals(Object o) {
         boolean equal = false;
@@ -38,4 +45,13 @@ public class Tag {
         }
         return equal;
     }
+    @JsonIgnore
+    public String getName() {
+        return Name;
+    }
+    @Override
+    @JsonValue
+    public String toString() {
+        return Name;
+    }
 }
diff --git a/juick-core/src/main/java/com/juick/User.java b/juick-core/src/main/java/com/juick/User.java
index b9111d8f..a8109e50 100644
--- a/juick-core/src/main/java/com/juick/User.java
+++ b/juick-core/src/main/java/com/juick/User.java
@@ -17,6 +17,9 @@
  */
 package com.juick;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 /**
  *
  * @author Ugnich Anton
@@ -25,11 +28,13 @@ public class User {
 
     private int UID = 0;
     private String UName = null;
+    @JsonIgnore
     public Object Avatar = null;
     private String FullName = null;
     private String JID = null;
-    public int MessagesCount = 0;
+    private int MessagesCount = 0;
     private String AuthHash = null;
+    @JsonIgnore
     public boolean Banned = false;
 
     public User() {
@@ -51,6 +56,7 @@ public class User {
         return (obj instanceof User && ((User) obj).getUID() == this.getUID());
     }
 
+    @JsonProperty("uid")
     public int getUID() {
         return UID;
     }
@@ -59,6 +65,7 @@ public class User {
         this.UID = UID;
     }
 
+    @JsonProperty("uname")
     public String getUName() {
         return UName;
     }
@@ -67,6 +74,7 @@ public class User {
         this.UName = UName;
     }
 
+    @JsonProperty("fullname")
     public String getFullName() {
         return FullName;
     }
@@ -75,6 +83,7 @@ public class User {
         FullName = fullName;
     }
 
+    @JsonProperty("jid")
     public String getJID() {
         return JID;
     }
@@ -83,6 +92,7 @@ public class User {
         this.JID = JID;
     }
 
+    @JsonIgnore
     public String getAuthHash() {
         return AuthHash;
     }
@@ -90,7 +100,11 @@ public class User {
     public void setAuthHash(String authHash) {
         AuthHash = authHash;
     }
+    @JsonProperty("unreadCount")
     public Integer getUnreadCount() {
         return MessagesCount;
     }
+    public void setUnreadCount(Integer count) {
+        MessagesCount = count;
+    }
 }
diff --git a/juick-core/src/main/java/com/juick/json/MessageSerializer.java b/juick-core/src/main/java/com/juick/json/MessageSerializer.java
index 4238df60..d5adfa6e 100644
--- a/juick-core/src/main/java/com/juick/json/MessageSerializer.java
+++ b/juick-core/src/main/java/com/juick/json/MessageSerializer.java
@@ -18,6 +18,7 @@
 package com.juick.json;
 
 import com.juick.Message;
+import com.juick.Tag;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -27,6 +28,7 @@ import java.text.SimpleDateFormat;
 import java.util.TimeZone;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import java.util.stream.Collectors;
 
 /**
  *
@@ -68,7 +70,7 @@ public class MessageSerializer extends JSONSerializer<Message> {
         if (json.has("tags")) {
             JSONArray tags = json.getJSONArray("tags");
             for (int n = 0; n < tags.length(); n++) {
-                jmsg.Tags.add(tags.getString(n).replace("&quot;", "\""));
+                jmsg.Tags.add(new Tag(tags.getString(n).replace("&quot;", "\"")));
             }
         }
 
@@ -113,7 +115,7 @@ public class MessageSerializer extends JSONSerializer<Message> {
                 json.put("user", userSerializer.serialize(msg.getUser()));
             }
             if (msg.Tags != null && msg.Tags.size() > 0) {
-                json.put("tags", new JSONArray(msg.Tags));
+                json.put("tags", new JSONArray(msg.Tags.stream().map(Tag::getName).collect(Collectors.toList())));
             }
             if (msg.Replies > 0) {
                 json.put("replies", msg.Replies);
diff --git a/juick-core/src/main/java/com/juick/server/MessagesQueries.java b/juick-core/src/main/java/com/juick/server/MessagesQueries.java
index 3d0d734d..3c848f54 100644
--- a/juick-core/src/main/java/com/juick/server/MessagesQueries.java
+++ b/juick-core/src/main/java/com/juick/server/MessagesQueries.java
@@ -18,24 +18,22 @@
 package com.juick.server;
 
 import com.juick.Message;
+import com.juick.Tag;
 import com.juick.User;
 import com.juick.server.helpers.PrivacyOpts;
 import org.springframework.dao.EmptyResultDataAccessException;
 import org.springframework.dao.IncorrectResultSizeDataAccessException;
 import org.springframework.jdbc.core.ConnectionCallback;
 import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
 import org.springframework.jdbc.support.GeneratedKeyHolder;
 import org.springframework.jdbc.support.KeyHolder;
 import org.springframework.util.StringUtils;
 
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.Statement;
-import java.sql.Types;
-import java.util.ArrayList;
+import java.sql.*;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
-import java.util.logging.Logger;
 
 /**
  *
@@ -43,7 +41,42 @@ import java.util.logging.Logger;
  */
 public class MessagesQueries {
 
-    private static final Logger LOGGER = Logger.getLogger(MessagesQueries.class.getName());
+    public static class MessageMapper implements RowMapper<Message> {
+        @Override
+        public Message mapRow(ResultSet rs, int rowNum) throws SQLException {
+            Message msg = new Message();
+            msg.setMID(rs.getInt(1));
+            msg.setUser(new User());
+            msg.getUser().setUID(rs.getInt(2));
+            msg.getUser().setUName(rs.getString(3));
+            msg.TimeAgo = rs.getInt(4);
+            msg.setDate(rs.getTimestamp(5));
+            msg.ReadOnly = rs.getBoolean(6);
+            msg.Privacy = rs.getInt(7);
+            msg.FriendsOnly = msg.Privacy < 0;
+            msg.Replies = rs.getInt(8);
+            msg.AttachmentType = rs.getString(9);
+            //if (rs.getInt(10) > 0) {
+            //    msg.Place = PlacesQueries.getPlace(sql, rs.getInt(9));
+            //}
+            if (rs.getDouble(10) != 0) {
+                msg.Place = new com.juick.Place();
+                msg.Place.lat = rs.getDouble(11);
+                msg.Place.lon = rs.getDouble(12);
+            }
+            msg.Likes = rs.getInt(13);
+            msg.Hidden = rs.getBoolean(14);
+            // parse tags string
+            String tagsStr = rs.getString(15);
+            if (tagsStr != null) {
+                Arrays.asList(tagsStr.split(" "))
+                .stream().forEach(t -> msg.Tags.add(new Tag(t)));
+            }
+            msg.RepliesBy = rs.getString(16);
+            msg.setText(rs.getString(17));
+            return msg;
+        }
+    }
 
     public static int createMessage(JdbcTemplate sql, int uid, String txt, String attachment, List<com.juick.Tag> tags) {
         KeyHolder holder = new GeneratedKeyHolder();
@@ -72,7 +105,7 @@ public class MessagesQueries {
                     tagsNames += " ";
                     tagsIDs += ",";
                 }
-                tagsNames += tags.get(i).Name;
+                tagsNames += tags.get(i).getName();
                 tagsIDs += "(" + mid + "," + tags.get(i).TID + ")";
             }
             if (tags.size() > 0) {
@@ -201,7 +234,7 @@ public class MessagesQueries {
 
     public static com.juick.Message getMessage(JdbcTemplate sql, int mid) {
         try {
-            return sql.queryForObject("SELECT messages.user_id,users.nick,"
+            return sql.queryForObject("SELECT messages.message_id,messages.user_id,users.nick,"
                             + "TIMESTAMPDIFF(MINUTE,messages.ts,NOW()),"
                             + "messages.ts,"
                             + "messages.readonly,messages.privacy,messages.replies,"
@@ -211,35 +244,8 @@ public class MessagesQueries {
                             + "INNER JOIN users ON messages.user_id=users.id "
                             + "INNER JOIN messages_txt AS txt "
                             + "ON messages.message_id=txt.message_id "
-                            + "WHERE messages.message_id=?", new Object[]{mid},
-                    (rs, rowNum) -> {
-                        Message msg = new Message();
-                        msg.setMID(mid);
-                        msg.setUser(new User());
-                        msg.getUser().setUID(rs.getInt(1));
-                        msg.getUser().setUName(rs.getString(2));
-                        msg.TimeAgo = rs.getInt(3);
-                        msg.setDate(rs.getTimestamp(4));
-                        msg.ReadOnly = rs.getBoolean(5);
-                        msg.Privacy = rs.getInt(6);
-                        msg.FriendsOnly = msg.Privacy < 0;
-                        msg.Replies = rs.getInt(7);
-                        msg.AttachmentType = rs.getString(8);
-                        //if (rs.getInt(9) > 0) {
-                        //    msg.Place = PlacesQueries.getPlace(sql, rs.getInt(9));
-                        //}
-                        if (rs.getDouble(10) != 0) {
-                            msg.Place = new com.juick.Place();
-                            msg.Place.lat = rs.getDouble(10);
-                            msg.Place.lon = rs.getDouble(11);
-                        }
-                        msg.Likes = rs.getInt(12);
-                        msg.Hidden = rs.getBoolean(13);
-                        msg.parseTags(rs.getString(14));
-                        msg.RepliesBy = rs.getString(15);
-                        msg.setText(rs.getString(16));
-                        return msg;
-                    });
+                            + "WHERE messages.message_id=?",
+                    new MessageMapper(), mid);
         } catch (EmptyResultDataAccessException e) {
             return null;
         }
@@ -252,7 +258,7 @@ public class MessagesQueries {
                             + "replies.attach,replies.txt FROM replies INNER JOIN users "
                             + "ON replies.user_id=users.id "
                             + "WHERE replies.message_id=? AND replies.reply_id=?",
-                    new Object[]{mid, rid}, (rs, num) -> {
+                    (rs, num) -> {
                         Message msg = new Message();
                         msg.setMID(mid);
                         msg.setRID(rid);
@@ -264,7 +270,7 @@ public class MessagesQueries {
                         msg.AttachmentType = rs.getString(5);
                         msg.setText(rs.getString(6));
                         return msg;
-                    });
+                    }, mid, rid);
         } catch (EmptyResultDataAccessException e) {
             return null;
         }
@@ -290,10 +296,9 @@ public class MessagesQueries {
         return sql.query("SELECT tags.tag_id,synonym_id,name,stat_messages FROM tags " +
                         "INNER JOIN messages_tags ON (messages_tags.message_id=? AND messages_tags.tag_id=tags.tag_id)",
                 new Object[]{mid}, (rs, num) -> {
-                    com.juick.Tag t = new com.juick.Tag();
+                    com.juick.Tag t = new com.juick.Tag(rs.getString(3));
                     t.TID = rs.getInt(1);
                     t.SynonymID = rs.getInt(2);
-                    t.Name = rs.getString(3);
                     t.UsageCnt = rs.getInt(4);
                     return t;
                 });
@@ -479,10 +484,10 @@ public class MessagesQueries {
 
         if (before > 0) {
             mids = sqlSearch.queryForList("SELECT id AS message_id FROM messages WHERE MATCH(?) AND id<? " +
-                    "ORDER BY id DESC LIMIT 25", new Object[]{search, before}, Integer.class);
+                    "ORDER BY id DESC LIMIT 25", Integer.class, search, before);
         } else {
             mids = sqlSearch.queryForList("SELECT id AS message_id FROM messages WHERE MATCH(?) " +
-                    "ORDER BY id DESC LIMIT 25", new Object[]{search}, Integer.class);
+                    "ORDER BY id DESC LIMIT 25", Integer.class, search);
         }
         if (mids.size() > 0) {
             return sql.queryForList("SELECT message_id FROM messages WHERE message_id " +
@@ -495,10 +500,10 @@ public class MessagesQueries {
     public static List<Integer> getUserBlog(JdbcTemplate sql, int UID, int privacy, int before) {
         if (before > 0) {
             return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND message_id<? AND privacy>=" +
-                    privacy + " ORDER BY message_id DESC LIMIT 20", new Object[]{UID, before}, Integer.class);
+                    privacy + " ORDER BY message_id DESC LIMIT 20", Integer.class, UID, before);
         } else {
             return sql.queryForList("SELECT message_id FROM messages WHERE user_id=? AND privacy>=" + privacy +
-                    " ORDER BY message_id DESC LIMIT 20", new Object[]{UID}, Integer.class);
+                    " ORDER BY message_id DESC LIMIT 20", Integer.class, UID);
         }
     }
 
@@ -508,12 +513,12 @@ public class MessagesQueries {
                     "USING(message_id) WHERE messages.user_id=? AND messages_tags.tag_id=? " +
                     "AND messages.message_id<? AND messages.privacy>=" + privacy +
                     " ORDER BY messages.message_id DESC LIMIT 20",
-                    new Object[] {UID, TID, before}, Integer.class);
+                    Integer.class, UID, TID, before);
         } else {
             return sql.queryForList("SELECT messages.message_id FROM messages_tags INNER JOIN messages " +
                     "USING(message_id) WHERE messages.user_id=? AND messages_tags.tag_id=? " +
                     "AND messages.privacy>=" + privacy + " ORDER BY messages.message_id DESC LIMIT 20",
-                    new Object[]{UID, TID}, Integer.class);
+                    Integer.class, UID, TID);
         }
     }
 
@@ -522,11 +527,11 @@ public class MessagesQueries {
             return sql.queryForList("SELECT message_id FROM favorites "
                     + "WHERE user_id=? AND message_id<? "
                     + "ORDER BY message_id DESC LIMIT 20", Integer.class,
-                    new Object[]{UID, before});
+                    UID, before);
         } else {
             return sql.queryForList("SELECT message_id FROM favorites "
                     + "WHERE user_id=? ORDER BY message_id DESC LIMIT 20",
-                    Integer.class, new Object[]{UID});
+                    Integer.class, UID);
 
         }
     }
@@ -566,43 +571,18 @@ public class MessagesQueries {
     public static List<com.juick.Message> getMessages(JdbcTemplate sql, List<Integer> mids) {
         if (!mids.isEmpty()) {
             return sql.query("SELECT messages.message_id,messages.user_id,users.nick,"
-                    + "messages_txt.tags,messages.readonly,messages.privacy,messages_txt.txt,"
                     + "TIMESTAMPDIFF(MINUTE,messages.ts,NOW()),"
-                    + "messages.ts,messages.replies,"
-                    + "messages_txt.repliesby,messages.attach,messages.lat,"
-                    + "messages.lon,messages.likes "
+                    + "messages.ts,"
+                    + "messages.readonly,messages.privacy,messages.replies,"
+                    + "messages.attach,messages.place_id,messages.lat,"
+                    + "messages.lon,messages.likes,messages.hidden,"
+                    + "messages_txt.tags,messages_txt.repliesby, messages_txt.txt "
                     + "FROM (messages INNER JOIN messages_txt "
                     + "ON messages.message_id=messages_txt.message_id) "
                     + "INNER JOIN users ON messages.user_id=users.id "
                     + "WHERE messages.message_id "
                     + "IN (" + StringUtils.arrayToCommaDelimitedString(mids.toArray()) + ") "
-                    + "ORDER BY messages.message_id DESC", (rs, rowNum) -> {
-                com.juick.Message msg = new com.juick.Message();
-                msg.setUser(new User());
-
-                msg.setMID(rs.getInt(1));
-                msg.getUser().setUID(rs.getInt(2));
-                msg.getUser().setUName(rs.getString(3));
-                if (rs.getString(4) != null) {
-                    msg.parseTags(rs.getString(4));
-                }
-                msg.ReadOnly = rs.getInt(5) == 1;
-                msg.Privacy = rs.getInt(6);
-                msg.FriendsOnly = msg.Privacy < 0;
-                msg.setText(rs.getString(7));
-                msg.TimeAgo = rs.getInt(8);
-                msg.setDate(rs.getTimestamp(9));
-                msg.Replies = rs.getInt(10);
-                msg.RepliesBy = rs.getString(11);
-                msg.AttachmentType = rs.getString(12);
-                if (rs.getDouble(13) != 0) {
-                    msg.Place = new com.juick.Place();
-                    msg.Place.lat = rs.getDouble(13);
-                    msg.Place.lon = rs.getDouble(14);
-                }
-                msg.Likes = rs.getInt(15);
-                return msg;
-            });
+                    + "ORDER BY messages.message_id DESC", new MessageMapper());
         }
         return Collections.emptyList();
     }
diff --git a/juick-core/src/main/java/com/juick/server/PMQueries.java b/juick-core/src/main/java/com/juick/server/PMQueries.java
index 875cbbd6..d7855002 100644
--- a/juick-core/src/main/java/com/juick/server/PMQueries.java
+++ b/juick-core/src/main/java/com/juick/server/PMQueries.java
@@ -75,7 +75,7 @@ public class PMQueries {
             com.juick.User u = new com.juick.User();
             u.setUID(rs.getInt(1));
             u.setUName(rs.getString(2));
-            u.MessagesCount = rs.getInt(3);
+            u.setUnreadCount(rs.getInt(3));
             return u;
         }, uid);
     }
diff --git a/juick-core/src/main/java/com/juick/server/TagQueries.java b/juick-core/src/main/java/com/juick/server/TagQueries.java
index 766f9bcd..76c12425 100644
--- a/juick-core/src/main/java/com/juick/server/TagQueries.java
+++ b/juick-core/src/main/java/com/juick/server/TagQueries.java
@@ -42,10 +42,9 @@ public class TagQueries {
         try {
             return sql.queryForObject("SELECT synonym_id,name FROM tags WHERE tag_id=?",
                     (rs, num) -> {
-                        Tag ret = new Tag();
+                        Tag ret = new Tag(rs.getString(2));
                         ret.TID = tid;
                         ret.SynonymID = rs.getInt(1);
-                        ret.Name = rs.getString(2);
                         return ret;
                     }, tid);
         } catch (EmptyResultDataAccessException e) {
@@ -58,19 +57,17 @@ public class TagQueries {
         try {
             ret = sql.queryForObject("SELECT tag_id,synonym_id,name FROM tags WHERE name=?",
                     (rs, rowNum) -> {
-                        Tag ret1 = new Tag();
+                        Tag ret1 = new Tag(rs.getString(3));
                         ret1.TID = rs.getInt(1);
                         ret1.SynonymID = rs.getInt(2);
-                        ret1.Name = rs.getString(3);
                         return ret1;
                     }, tag);
         } catch (EmptyResultDataAccessException e) {
             // tag not found
         }
         if (ret == null && autoCreate) {
-            ret = new com.juick.Tag();
+            ret = new com.juick.Tag(tag);
             ret.TID = createTag(sql, tag);
-            ret.Name = tag;
         }
 
         return ret;
@@ -117,8 +114,7 @@ public class TagQueries {
                         "AND messages.message_id=messages_tags.message_id)) " +
                         "INNER JOIN tags ON messages_tags.tag_id=tags.tag_id GROUP BY tags.tag_id ORDER BY tags.name ASC",
                 (rs, rowNum) -> {
-                    Tag t = new Tag();
-                    t.Name = rs.getString(1);
+                    Tag t = new Tag(rs.getString(1));
                     t.UsageCnt = rs.getInt(2);
                     return t;
                 }, uid);
@@ -160,7 +156,7 @@ public class TagQueries {
         return Collections.emptyList();
     }
     public static String toString(List<Tag> tags) {
-        return tags.stream().map(t -> " *" + t.Name)
+        return tags.stream().map(t -> " *" + t.getName())
                 .collect(Collectors.joining());
     }
 }
diff --git a/juick-core/src/main/java/com/juick/server/protocol/JuickProtocol.java b/juick-core/src/main/java/com/juick/server/protocol/JuickProtocol.java
index 033417a8..bb7615dd 100644
--- a/juick-core/src/main/java/com/juick/server/protocol/JuickProtocol.java
+++ b/juick-core/src/main/java/com/juick/server/protocol/JuickProtocol.java
@@ -356,9 +356,9 @@ public class JuickProtocol {
             }
         } else {
             if (SubscriptionsQueries.unSubscribeTag(sql, user, tag)) {
-                return new ProtocolReply("Unsubscribed from " + tag.Name, Optional.empty());
+                return new ProtocolReply("Unsubscribed from " + tag.getName(), Optional.empty());
             }
-            return new ProtocolReply("You was not subscribed to " + tag.Name, Optional.empty());
+            return new ProtocolReply("You was not subscribed to " + tag.getName(), Optional.empty());
         }
         return new ProtocolReply("Error", Optional.empty());
     }
diff --git a/juick-core/src/main/java/com/juick/xmpp/extensions/JuickMessage.java b/juick-core/src/main/java/com/juick/xmpp/extensions/JuickMessage.java
index 510f7cc1..d259bc43 100644
--- a/juick-core/src/main/java/com/juick/xmpp/extensions/JuickMessage.java
+++ b/juick-core/src/main/java/com/juick/xmpp/extensions/JuickMessage.java
@@ -17,6 +17,7 @@
  */
 package com.juick.xmpp.extensions;
 
+import com.juick.Tag;
 import com.juick.xmpp.utils.XmlUtils;
 import com.juick.xmpp.*;
 import java.io.IOException;
@@ -95,7 +96,7 @@ public class JuickMessage extends com.juick.Message implements StanzaChild {
             } else if (tag.equals(JuickUser.TagName) && xmlns != null && xmlns.equals(JuickUser.XMLNS)) {
                 jmsg.setUser(new JuickUser().parse(parser));
             } else if (tag.equals("tag")) {
-                jmsg.Tags.add(XmlUtils.getTagText(parser));
+                jmsg.Tags.add(new Tag(XmlUtils.getTagText(parser)));
             } else {
                 XmlUtils.skip(parser);
             }
@@ -137,10 +138,8 @@ public class JuickMessage extends com.juick.Message implements StanzaChild {
         if (getText() != null) {
             ret += "<body>" + XmlUtils.escape(getText()) + "</body>";
         }
-        if (!Tags.isEmpty()) {
-            for (int i = 0; i < Tags.size(); i++) {
-                ret += "<tag>" + XmlUtils.escape(Tags.get(i)) + "</tag>";
-            }
+        for (com.juick.Tag Tag : Tags) {
+            ret += "<tag>" + XmlUtils.escape(Tag.getName()) + "</tag>";
         }
         ret += "</" + TagName + ">";
 
diff --git a/juick-rss/src/main/java/com/juick/rss/Main.java b/juick-rss/src/main/java/com/juick/rss/Main.java
index 32e7ebae..fd4deca3 100644
--- a/juick-rss/src/main/java/com/juick/rss/Main.java
+++ b/juick-rss/src/main/java/com/juick/rss/Main.java
@@ -142,7 +142,7 @@ public class Main extends HttpServlet {
                 out.println("<comments>http://juick.com/" + msg.getUser().getUName() + "/" + msg.getMID() + "</comments>");
                 if (!msg.Tags.isEmpty()) {
                     for (int n = 0; n < msg.Tags.size(); n++) {
-                        out.println("<category>" + escapeHtml(msg.Tags.get(n)) + "</category>");
+                        out.println("<category>" + escapeHtml(msg.Tags.get(n).getName()) + "</category>");
                     }
                 }
                 if (msg.AttachmentType != null) {
diff --git a/juick-www/src/main/java/com/juick/www/Discover.java b/juick-www/src/main/java/com/juick/www/Discover.java
index 240d0fdd..e94d6e99 100644
--- a/juick-www/src/main/java/com/juick/www/Discover.java
+++ b/juick-www/src/main/java/com/juick/www/Discover.java
@@ -47,14 +47,14 @@ public class Discover {
             return;
         } else if (paramTag.SynonymID > 0 && paramTag.TID != paramTag.SynonymID) {
             com.juick.Tag synTag = TagQueries.getTag(sql, paramTag.SynonymID);
-            String url = "/tag/" + URLEncoder.encode(synTag.Name, "UTF-8");
+            String url = "/tag/" + URLEncoder.encode(synTag.getName(), "UTF-8");
             if (request.getQueryString() != null) {
                 url += "?" + request.getQueryString();
             }
             Utils.sendPermanentRedirect(response, url);
             return;
-        } else if (!paramTag.Name.equals(paramTagStr)) {
-            String url = "/tag/" + URLEncoder.encode(paramTag.Name, "UTF-8");
+        } else if (!paramTag.getName().equals(paramTagStr)) {
+            String url = "/tag/" + URLEncoder.encode(paramTag.getName(), "UTF-8");
             if (request.getQueryString() != null) {
                 url += "?" + request.getQueryString();
             }
@@ -73,7 +73,7 @@ public class Discover {
 
         int visitor_uid = visitor.getUID();
 
-        String title = "*" + Utils.encodeHTML(paramTag.Name);
+        String title = "*" + Utils.encodeHTML(paramTag.getName());
         List<Integer> mids = MessagesQueries.getTag(sql, paramTag.TID, visitor_uid, paramBefore, (visitor_uid == 0) ? 40 : 20);
 
         response.setContentType("text/html; charset=UTF-8");
@@ -104,7 +104,7 @@ public class Discover {
             }
 
             if (mids.size() >= 20) {
-                String nextpage = "/tag/" + URLEncoder.encode(paramTag.Name, "UTF-8") + "?before=" + mids.get(mids.size() - 1);
+                String nextpage = "/tag/" + URLEncoder.encode(paramTag.getName(), "UTF-8") + "?before=" + mids.get(mids.size() - 1);
                 out.println("<p class=\"page\"><a href=\"" + nextpage + "\" rel=\"prev\">Читать дальше →</a></p>");
             }
 
diff --git a/juick-www/src/main/java/com/juick/www/NewMessage.java b/juick-www/src/main/java/com/juick/www/NewMessage.java
index 397badbb..bb169b60 100644
--- a/juick-www/src/main/java/com/juick/www/NewMessage.java
+++ b/juick-www/src/main/java/com/juick/www/NewMessage.java
@@ -113,7 +113,9 @@ public class NewMessage {
             }
             String taglink = "";
             try {
-                taglink = "<a onclick=\"return addTag('" + Utils.encodeHTML(tags.get(i).Name) + "')\" href=\"/" + visitor.getUName() + "/?tag=" + URLEncoder.encode(tags.get(i).Name, "utf-8") + "\" title=\"" + tags.get(i).UsageCnt + "\">" + Utils.encodeHTML(tags.get(i).Name) + "</a>";
+                taglink = "<a onclick=\"return addTag('" + Utils.encodeHTML(tags.get(i).getName()) + "')\" href=\"/" +
+                        visitor.getUName() + "/?tag=" + URLEncoder.encode(tags.get(i).getName(), "utf-8") +
+                        "\" title=\"" + tags.get(i).UsageCnt + "\">" + Utils.encodeHTML(tags.get(i).getName()) + "</a>";
             } catch (UnsupportedEncodingException e) {
             }
             int usagecnt = tags.get(i).UsageCnt;
diff --git a/juick-www/src/main/java/com/juick/www/PageTemplates.java b/juick-www/src/main/java/com/juick/www/PageTemplates.java
index 0bb17ff0..c570ae7f 100644
--- a/juick-www/src/main/java/com/juick/www/PageTemplates.java
+++ b/juick-www/src/main/java/com/juick/www/PageTemplates.java
@@ -191,9 +191,9 @@ public class PageTemplates {
     public static String formatTags(List<Tag> tags) {
         String ret = "";
         for (Tag tag : tags) {
-            String tagName = tag.Name.replaceAll("<", "&lt;").replaceAll(">", "&gt;");
+            String tagName = tag.getName().replaceAll("<", "&lt;").replaceAll(">", "&gt;");
             try {
-                ret += " *<a href=\"/tag/" + URLEncoder.encode(tag.Name, "utf-8") + "\"";
+                ret += " *<a href=\"/tag/" + URLEncoder.encode(tag.getName(), "utf-8") + "\"";
                 if (tag.UsageCnt < 2) {
                     ret += " rel=\"nofollow\"";
                 }
diff --git a/juick-www/src/main/java/com/juick/www/User.java b/juick-www/src/main/java/com/juick/www/User.java
index ce2a5826..0d0056ad 100644
--- a/juick-www/src/main/java/com/juick/www/User.java
+++ b/juick-www/src/main/java/com/juick/www/User.java
@@ -55,8 +55,8 @@ public class User {
             if (paramTag == null) {
                 Errors.doGet404(sql, request, response);
                 return;
-            } else if (!paramTag.Name.equals(paramTagStr)) {
-                String url = "/" + user.getUName() + "/?tag=" + URLEncoder.encode(paramTag.Name, "UTF-8");
+            } else if (!paramTag.getName().equals(paramTagStr)) {
+                String url = "/" + user.getUName() + "/?tag=" + URLEncoder.encode(paramTag.getName(), "UTF-8");
                 Utils.sendPermanentRedirect(response, url);
                 return;
             }
@@ -88,7 +88,7 @@ public class User {
         String title;
         if (paramShow == null) {
             if (paramTag != null) {
-                title = "Блог " + user.getUName() + ": *" + Utils.encodeHTML(paramTag.Name);
+                title = "Блог " + user.getUName() + ": *" + Utils.encodeHTML(paramTag.getName());
                 mids = MessagesQueries.getUserTag(sql, user.getUID(), paramTag.TID, privacy, paramBefore);
             } else if (paramSearch != null) {
                 title = "Блог " + user.getUName() + ": " + Utils.encodeHTML(paramSearch);
@@ -114,7 +114,8 @@ public class User {
 
         response.setContentType("text/html; charset=UTF-8");
         try (PrintWriter out = response.getWriter()) {
-            String head = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" + user.getUName() + "\" href=\"//rss.juick.com/" + user.getUName() + "/blog\"/>";
+            String head = "<link rel=\"alternate\" type=\"application/rss+xml\" title=\"@" +
+                    user.getUName() + "\" href=\"//rss.juick.com/" + user.getUName() + "/blog\"/>";
             if (paramTag != null && TagQueries.getTagNoIndex(sql, paramTag.TID)) {
                 head += "<meta name=\"robots\" content=\"noindex,nofollow\"/>";
             } else if (paramBefore > 0 || paramShow != null) {
@@ -128,7 +129,9 @@ public class User {
                 out.println("<section id=\"content\">");
 
                 if (paramTag != null) {
-                    out.println("<p class=\"page\"><a href=\"/tag/" + URLEncoder.encode(paramTag.Name, "UTF-8") + "\">← Все записи с тегом <b>" + Utils.encodeHTML(paramTag.Name) + "</b></a></p>");
+                    out.println("<p class=\"page\"><a href=\"/tag/" +
+                            URLEncoder.encode(paramTag.getName(), "UTF-8") + "\">← Все записи с тегом <b>" +
+                            Utils.encodeHTML(paramTag.getName()) + "</b></a></p>");
                 }
 
                 PageTemplates.printMessages(out, sql, user, mids, visitor, visitor.getUID() == 0 ? 4 : 5, 0);
@@ -139,7 +142,7 @@ public class User {
                         nextpage += "&amp;show=" + paramShow;
                     }
                     if (paramTag != null) {
-                        nextpage += "&amp;tag=" + URLEncoder.encode(paramTag.Name, "UTF-8");
+                        nextpage += "&amp;tag=" + URLEncoder.encode(paramTag.getName(), "UTF-8");
                     }
                     if (paramSearch != null) {
                         nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, "UTF-8");
@@ -323,9 +326,9 @@ public class User {
         String ret = "";
         int count = cnt > 0 ? Math.min(tags.size(), cnt) : tags.size();
         for (int i = 0; i < count; i++) {
-            String tag = Utils.encodeHTML(tags.get(i).Name);
+            String tag = Utils.encodeHTML(tags.get(i).getName());
             try {
-                tag = "<a href=\"./?tag=" + URLEncoder.encode(tags.get(i).Name, "UTF-8") + "\" title=\""
+                tag = "<a href=\"./?tag=" + URLEncoder.encode(tags.get(i).getName(), "UTF-8") + "\" title=\""
                         + tags.get(i).UsageCnt + "\" rel=\"nofollow\">" + tag + "</a>";
             } catch (UnsupportedEncodingException e) {
             }
diff --git a/src/test/java/com/juick/tests/ApiTests.java b/src/test/java/com/juick/tests/ApiTests.java
index 5c6cddf3..533b2428 100644
--- a/src/test/java/com/juick/tests/ApiTests.java
+++ b/src/test/java/com/juick/tests/ApiTests.java
@@ -81,7 +81,7 @@ public class ApiTests {
         assertEquals(1, rid);
         Message msg3 = MessagesQueries.getMessage(jdbc, mid2);
         assertEquals(1, msg3.Replies);
-        assertEquals("weather", msg3.Tags.get(0));
+        assertEquals("weather", msg3.Tags.get(0).getName());
         assertEquals(ugnich.getUID(), UserQueries.checkPassword(jdbc, ugnich.getUName(), "x"));
         assertEquals(-1, UserQueries.checkPassword(jdbc, ugnich.getUName(), "xy"));
         SubscriptionsQueries.subscribeMessage(jdbc, msg.getMID(), ugnich.getUID());
@@ -105,7 +105,7 @@ public class ApiTests {
         assertEquals("text should match", "yoyo",
                 MessagesQueries.getMessage(jdbc, mid).getText());
         assertEquals("tag should match", "yo",
-                MessagesQueries.getMessageTags(jdbc, mid).get(0).Name);
+                MessagesQueries.getMessageTags(jdbc, mid).get(0).getName());
         assertNotEquals("should not be error", "Error", protocol.getReply(user, "#" + mid).getDescription());
         assertEquals("should be PONG", "PONG", protocol.getReply(user, "   ping   \n    ").getDescription());
         int readerUid = UserQueries.createUser(jdbc, "dummyReader", "dummySecret");
diff --git a/src/test/java/com/juick/tests/JsonTests.java b/src/test/java/com/juick/tests/JsonTests.java
index babcc6c7..ab0d6283 100644
--- a/src/test/java/com/juick/tests/JsonTests.java
+++ b/src/test/java/com/juick/tests/JsonTests.java
@@ -1,9 +1,15 @@
 package com.juick.tests;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.juick.Message;
+import com.juick.User;
 import com.juick.json.MessageSerializer;
+import com.juick.json.UserSerializer;
+import org.json.JSONObject;
 import org.junit.Test;
 
+import java.io.IOException;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.TimeZone;
@@ -24,6 +30,23 @@ public class JsonTests {
         } catch (ParseException e) {
             e.printStackTrace();
         }
-
+    }
+    @Test
+    public void serializersTest() throws IOException {
+        User user = new User();
+        user.setUName("ugnich");
+        user.setUID(1);
+        user.setFullName("Anton Ugnich");
+        UserSerializer userSerializer = new UserSerializer();
+        JSONObject handmadeJson = userSerializer.serialize(user);
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_DEFAULT);
+        User jacksonUser = mapper.readValue(handmadeJson.toString(), User.class);
+        assertEquals("jackson should deserialize ugnich json", user, jacksonUser);
+        String jacksonString = mapper.writeValueAsString(user);
+        JSONObject jacksonJson = new JSONObject(jacksonString);
+        assertEquals("jackson should serialize as ugnich", handmadeJson.length(), jacksonJson.length());
     }
 }
\ No newline at end of file
diff --git a/src/test/java/com/juick/tests/MessageTests.java b/src/test/java/com/juick/tests/MessageTests.java
index 5dceccc0..3e391a67 100644
--- a/src/test/java/com/juick/tests/MessageTests.java
+++ b/src/test/java/com/juick/tests/MessageTests.java
@@ -26,8 +26,8 @@ public class MessageTests {
             IOException, SAXException {
         Message msg = new Message();
         msg.parseTags("test test" + (char) 0xA0 + "2 test3");
-        assertEquals("First tag must be", "test", msg.Tags.get(0));
-        assertEquals("Third tag must be", "test3", msg.Tags.get(2));
+        assertEquals("First tag must be", "test", msg.Tags.get(0).getName());
+        assertEquals("Third tag must be", "test3", msg.Tags.get(2).getName());
         assertEquals("Count of tags must be", 3, msg.Tags.size());
         Date currentDate = new Date();
         msg.setDate(currentDate);