From aabad2347aaf52e225541cb954e98ab509e9aa2f Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 1 Mar 2019 19:17:40 +0300
Subject: Tags refactoring

---
 src/main/java/com/juick/Message.java               | 15 ++++++-----
 .../com/juick/service/MessagesServiceImpl.java     |  2 +-
 src/main/java/com/juick/util/MessageUtils.java     | 30 ++++++++++------------
 3 files changed, 23 insertions(+), 24 deletions(-)

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

diff --git a/src/main/java/com/juick/Message.java b/src/main/java/com/juick/Message.java
index 617ed834..fb6be67c 100644
--- a/src/main/java/com/juick/Message.java
+++ b/src/main/java/com/juick/Message.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2017, Juick
+ * Copyright (C) 2008-2019, Juick
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
@@ -24,12 +24,13 @@ import com.juick.model.Entity;
 import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 
+import javax.annotation.Nonnull;
 import javax.xml.bind.annotation.*;
 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
 import java.net.URI;
 import java.time.Instant;
-import java.util.ArrayList;
 import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Objects;
 import java.util.Set;
@@ -45,7 +46,7 @@ public class Message implements Comparable {
     private int replyto = 0;
     private String text = null;
     private User user = null;
-    private final List<Tag> tags;
+    private final Set<Tag> tags;
     private Instant ts;
     private Instant updated;
     private Instant updatedAt;
@@ -86,7 +87,7 @@ public class Message implements Comparable {
     private List<Entity> entities;
 
     public Message() {
-        tags = new ArrayList<>();
+        tags = new LinkedHashSet<>();
         reactions = new HashSet<>();
     }
 
@@ -120,7 +121,7 @@ public class Message implements Comparable {
     }
 
     @Override
-    public int compareTo(Object obj) throws ClassCastException {
+    public int compareTo(@Nonnull Object obj) throws ClassCastException {
         if (obj == this)
             return 0;
 
@@ -218,11 +219,11 @@ public class Message implements Comparable {
 
     @JsonProperty("tags")
     @XmlElement(name = "tag")
-    public List<Tag> getTags() {
+    public Set<Tag> getTags() {
         return tags;
     }
 
-    public void setTags(List<Tag> tags) {
+    public void setTags(Set<Tag> tags) {
         this.tags.clear();
         if (CollectionUtils.isNotEmpty(tags))
             this.tags.addAll(tags);
diff --git a/src/main/java/com/juick/service/MessagesServiceImpl.java b/src/main/java/com/juick/service/MessagesServiceImpl.java
index 2a107fbf..e95742ab 100644
--- a/src/main/java/com/juick/service/MessagesServiceImpl.java
+++ b/src/main/java/com/juick/service/MessagesServiceImpl.java
@@ -98,7 +98,7 @@ public class MessagesServiceImpl extends BaseJdbcService implements MessagesServ
             msg.setAttachmentType(rs.getString(11));
             msg.setLikes(rs.getInt(12));
             msg.Hidden = rs.getBoolean(13);
-            String tagsStr = rs.getString(14);
+            String tagsStr = StringUtils.defaultString(rs.getString(14));
             msg.setTags(MessageUtils.parseTags(tagsStr));
             msg.setRepliesBy(rs.getString(15));
             msg.setText(rs.getString(16));
diff --git a/src/main/java/com/juick/util/MessageUtils.java b/src/main/java/com/juick/util/MessageUtils.java
index 78899ca2..fa94e978 100644
--- a/src/main/java/com/juick/util/MessageUtils.java
+++ b/src/main/java/com/juick/util/MessageUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2017, Juick
+ * Copyright (C) 2008-2019, Juick
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
@@ -28,7 +28,13 @@ import org.springframework.web.util.UriComponentsBuilder;
 import java.io.UnsupportedEncodingException;
 import java.net.URI;
 import java.net.URLEncoder;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
 import java.util.function.Function;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -299,23 +305,15 @@ public class MessageUtils {
     public static boolean replyStartsWithQuote(Message msg) {
         return msg.getRid() > 0 && StringUtils.defaultString(msg.getText()).startsWith(">");
     }
-    public static List<Tag> parseTags(String strTags) {
-        List<Tag> tags = new ArrayList<>();
-        if (StringUtils.isNotEmpty(strTags)) {
-            Set<Tag> tagSet = new TreeSet<>(tags);
-            for (String str : strTags.split(" ")) {
-                Tag tag = new Tag(str);
-                if (!tagSet.contains(tag)) {
-                    tags.add(tag);
-                    tagSet.add(tag);
-                }
-            }
-        }
-        return tags;
+    public static Set<Tag> parseTags(String strTags) {
+        return StringUtils.isEmpty(strTags) ? Collections.emptySet()
+                : Arrays.stream(strTags.split(" ")).map(Tag::new)
+                .collect(Collectors.toCollection(LinkedHashSet::new));
     }
     public static String getTagsString(Message msg) {
         StringBuilder builder = new StringBuilder();
-        List<Tag> tags = msg.getTags();
+        Set<Tag> tags = msg.getTags();
+
         if (!tags.isEmpty()) {
             for (Tag Tag : tags)
                 builder.append(" *").append(Tag.getName());
-- 
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