From 53486c0fe1bad6adb2324bd596e7528dcec82d26 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 2 Aug 2014 10:28:25 +0200
Subject: Improve extended formatter

---
 src/org/traccar/model/ExtendedInfoFormatter.java   | 33 +++++++++++++++-------
 .../traccar/model/ExtendedInfoFormatterTest.java   | 20 +++++++++++++
 2 files changed, 43 insertions(+), 10 deletions(-)
 create mode 100644 test/org/traccar/model/ExtendedInfoFormatterTest.java

diff --git a/src/org/traccar/model/ExtendedInfoFormatter.java b/src/org/traccar/model/ExtendedInfoFormatter.java
index 99966569e..31aac7672 100644
--- a/src/org/traccar/model/ExtendedInfoFormatter.java
+++ b/src/org/traccar/model/ExtendedInfoFormatter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2013 - 2014 Anton Tananaev (anton.tananaev@gmail.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,6 +15,9 @@
  */
 package org.traccar.model;
 
+import java.util.LinkedHashMap;
+import java.util.Map;
+
 /**
  * Format extended tracker status
  */
@@ -22,12 +25,11 @@ public class ExtendedInfoFormatter {
 
     private static final String rootNode = "info";
     
-    private StringBuilder data;
-
+    private final Map<String, Object> data;
+    
     public ExtendedInfoFormatter(String protocol) {
-        data = new StringBuilder();
-        data.append("<").append(rootNode).append(">");
-        data.append("<protocol>").append(protocol).append("</protocol>");
+        data = new LinkedHashMap<String, Object>();
+        data.put("protocol", protocol);
     }
 
     public void set(String key, Object value) {
@@ -37,15 +39,26 @@ public class ExtendedInfoFormatter {
                 return;
             }
             
-            data.append("<").append(key).append(">");
-            data.append(value);
-            data.append("</").append(key).append(">");
+            data.put(key, value);
         }
     }
 
     @Override
     public String toString() {
-        return data.toString() + "</" + rootNode + ">";
+        StringBuilder result = new StringBuilder();
+        
+        result.append("<").append(rootNode).append(">");
+        
+        for (Map.Entry<String, Object> entry : data.entrySet()) {
+         
+            result.append("<").append(entry.getKey()).append(">");
+            result.append(entry.getValue());
+            result.append("</").append(entry.getKey()).append(">");
+        }
+
+        result.append("</").append(rootNode).append(">");
+        
+        return result.toString();
     }
 
 }
diff --git a/test/org/traccar/model/ExtendedInfoFormatterTest.java b/test/org/traccar/model/ExtendedInfoFormatterTest.java
new file mode 100644
index 000000000..31161e9e7
--- /dev/null
+++ b/test/org/traccar/model/ExtendedInfoFormatterTest.java
@@ -0,0 +1,20 @@
+package org.traccar.model;
+
+import static org.junit.Assert.assertEquals;
+import org.junit.Test;
+
+public class ExtendedInfoFormatterTest {
+
+    @Test
+    public void testToString() throws Exception {
+        
+        ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("test");
+        extendedInfo.set("a", "1");
+        extendedInfo.set("b", "2");
+        extendedInfo.set("a", "3");
+        
+        assertEquals(extendedInfo.toString(), "<info><protocol>test</protocol><a>3</a><b>2</b></info>");
+        
+    }
+
+}
-- 
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