From bad2718b1b85d806221fce52c76fa1d388993396 Mon Sep 17 00:00:00 2001
From: Alexander Alexeev
Date: Wed, 7 Dec 2016 18:53:37 +0700
Subject: singleton java 8 date formatters

---
 src/test/java/com/juick/json/MessageSerializer.java | 19 ++++---------------
 src/test/java/com/juick/tests/MessageTests.java     |  5 +++--
 2 files changed, 7 insertions(+), 17 deletions(-)

(limited to 'src')

diff --git a/src/test/java/com/juick/json/MessageSerializer.java b/src/test/java/com/juick/json/MessageSerializer.java
index b49c991a..7ed060dd 100644
--- a/src/test/java/com/juick/json/MessageSerializer.java
+++ b/src/test/java/com/juick/json/MessageSerializer.java
@@ -20,6 +20,7 @@ package com.juick.json;
 import com.juick.Message;
 import com.juick.Photo;
 import com.juick.Tag;
+import com.juick.util.DateFormattersHolder;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -27,26 +28,18 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.text.ParseException;
-import java.text.SimpleDateFormat;
-import java.util.TimeZone;
 import java.util.stream.Collectors;
 
 /**
- *
  * @author Ugnich Anton
  */
 public class MessageSerializer extends JSONSerializer<Message> {
-
     private final static Logger LOGGER = LoggerFactory.getLogger(MessageSerializer.class);
-    
+
     UserSerializer userSerializer = new UserSerializer();
     PlaceSerializer placeSerializer = new PlaceSerializer();
 
-    private final SimpleDateFormat df;
-
     public MessageSerializer() {
-        df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
-        df.setTimeZone(TimeZone.getTimeZone("UTC"));
     }
 
     @Override
@@ -66,7 +59,7 @@ public class MessageSerializer extends JSONSerializer<Message> {
         jmsg.setText(json.getString("body").replace("&quot;", "\""));
         jmsg.setUser(userSerializer.deserialize(json.getJSONObject("user")));
 
-        jmsg.setDate(df.parse(json.getString("timestamp")));
+        jmsg.setDate(DateFormattersHolder.getMessageFormatterInstance().parse(json.getString("timestamp")));
 
         if (json.has("tags")) {
             JSONArray tags = json.getJSONArray("tags");
@@ -115,7 +108,7 @@ public class MessageSerializer extends JSONSerializer<Message> {
                 json.put("body", msg.getText());
             }
             if (msg.getDate() != null) {
-                json.put("timestamp", df.format(msg.getDate()));
+                json.put("timestamp", DateFormattersHolder.getMessageFormatterInstance().format(msg.getDate()));
             }
             if (msg.getUser() != null) {
                 json.put("user", userSerializer.serialize(msg.getUser()));
@@ -145,8 +138,4 @@ public class MessageSerializer extends JSONSerializer<Message> {
 
         return json;
     }
-
-    public SimpleDateFormat getDf() {
-        return df;
-    }
 }
diff --git a/src/test/java/com/juick/tests/MessageTests.java b/src/test/java/com/juick/tests/MessageTests.java
index 45575ded..a0cfd444 100644
--- a/src/test/java/com/juick/tests/MessageTests.java
+++ b/src/test/java/com/juick/tests/MessageTests.java
@@ -3,6 +3,7 @@ package com.juick.tests;
 import static org.junit.Assert.assertEquals;
 
 import com.juick.json.MessageSerializer;
+import com.juick.util.DateFormattersHolder;
 import com.juick.xmpp.extensions.JuickMessage;
 import org.json.JSONObject;
 import org.junit.Test;
@@ -33,7 +34,7 @@ public class MessageTests {
         msg.setDate(currentDate);
         MessageSerializer serializer = new MessageSerializer();
         JSONObject jsonMessage = serializer.serialize(msg);
-        assertEquals("date should be in timestamp field", serializer.getDf().format(currentDate),
+        assertEquals("date should be in timestamp field", DateFormattersHolder.getMessageFormatterInstance().format(currentDate),
                 jsonMessage.getString("timestamp"));
         JuickMessage xmppMessage = new JuickMessage(msg);
         DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
@@ -42,7 +43,7 @@ public class MessageTests {
         Document doc = db.parse(new ByteArrayInputStream(xmppMessage.toString().getBytes("UTF-8")));
         Node juickNode = doc.getElementsByTagName("juick").item(0);
         NamedNodeMap attrs = juickNode.getAttributes();
-        assertEquals("date should be in ts field", serializer.getDf().format(currentDate),
+        assertEquals("date should be in ts field", DateFormattersHolder.getMessageFormatterInstance().format(currentDate),
                 attrs.getNamedItem("ts").getNodeValue());
     }
 }
\ No newline at end of file
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