1 files changed, 12 insertions, 11 deletions
diff --git a/src/org/traccar/protocol/TramigoProtocolDecoder.java b/src/org/traccar/protocol/TramigoProtocolDecoder.java
index 1fd427ecf..6291ece14 100644
--- a/src/org/traccar/protocol/TramigoProtocolDecoder.java
+++ b/src/org/traccar/protocol/TramigoProtocolDecoder.java
@@ -15,15 +15,6 @@
  */
 package org.traccar.protocol;
 
-import java.net.SocketAddress;
-import java.nio.charset.Charset;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Calendar;
-import java.util.Date;
-import java.util.Locale;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
@@ -33,6 +24,16 @@ import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
 
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 public class TramigoProtocolDecoder extends BaseProtocolDecoder {
 
     public TramigoProtocolDecoder(TramigoProtocol protocol) {
@@ -101,10 +102,10 @@ public class TramigoProtocolDecoder extends BaseProtocolDecoder {
         } else if (protocol == 0x80) {
 
             if (channel != null) {
-                channel.write(ChannelBuffers.copiedBuffer("gprs,ack," + index, Charset.defaultCharset()));
+                channel.write(ChannelBuffers.copiedBuffer("gprs,ack," + index, StandardCharsets.US_ASCII));
             }
 
-            String sentence = buf.toString(Charset.defaultCharset());
+            String sentence = buf.toString(StandardCharsets.US_ASCII);
 
             Pattern pattern = Pattern.compile("(-?\\d+\\.\\d+), (-?\\d+\\.\\d+)");
             Matcher matcher = pattern.matcher(sentence);