Rename some of checksum methods

9 files changed, 15 insertions, 15 deletions

diff --git a/src/org/traccar/WebDataHandler.java b/src/org/traccar/WebDataHandler.java
index c6e120bbc..c64ca8334 100644
--- a/src/org/traccar/WebDataHandler.java
+++ b/src/org/traccar/WebDataHandler.java
@@ -53,7 +53,7 @@ public class WebDataHandler extends BaseDataHandler {
             f.format("%1$td%1$tm%1$ty,,", calendar);
         }
 
-        s.append(Checksum.nmeaChecksum(s.toString()));
+        s.append(Checksum.nmea(s.toString()));
 
         return s.toString();
     }
diff --git a/src/org/traccar/helper/Checksum.java b/src/org/traccar/helper/Checksum.java
index 99d7e2ddb..cdf1bbf50 100644
--- a/src/org/traccar/helper/Checksum.java
+++ b/src/org/traccar/helper/Checksum.java
@@ -91,8 +91,8 @@ public class Checksum {
         0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
     };
 
-    private static final int CRC16_CCITT_START = 0xFFFF;
-    private static final int CRC16_CCITT_XOROUT = 0xFFFF;
+    public static final int CRC16_CCITT = 0xFFFF;
+    public static final int CRC16_CCITT_XOROUT = 0xFFFF;
 
     private static int crc16Unreflected(ByteBuffer buf, int crc_in, int[] table) {
         int crc16 = crc_in;
@@ -111,11 +111,11 @@ public class Checksum {
     }
 
     public static int crc16Ccitt(ByteBuffer buf) {
-        return crc16Reflected(buf, CRC16_CCITT_START, CRC16_CCITT_TABLE_REVERSE) ^ CRC16_CCITT_XOROUT;
+        return crc16Reflected(buf, 0xFFFF, CRC16_CCITT_TABLE_REVERSE) ^ 0xFFFF;
     }
 
     public static int crc16X25Ccitt(ByteBuffer buf) {
-        return crc16Unreflected(buf, CRC16_CCITT_START, CRC16_CCITT_TABLE);
+        return crc16Unreflected(buf, 0xFFFF, CRC16_CCITT_TABLE);
     }
 
     public static int crc16Ccitt(ByteBuffer buf, int seed, int xorout) {
@@ -130,7 +130,7 @@ public class Checksum {
         return (int) checksum.getValue();
     }
 
-    public static int xorChecksum(ByteBuffer buf) {
+    public static int xor(ByteBuffer buf) {
         int checksum = 0;
         while (buf.hasRemaining()) {
             checksum ^= buf.get();
@@ -138,7 +138,7 @@ public class Checksum {
         return checksum;
     }
 
-    public static String nmeaChecksum(String msg) {
+    public static String nmea(String msg) {
         int checksum = 0;
         byte bytes[] = msg.getBytes(Charset.defaultCharset());
         for (int i = 1; i < msg.length(); i++) {
@@ -147,7 +147,7 @@ public class Checksum {
         return String.format("*%02x", checksum).toUpperCase();
     }
 
-    public static long luhnChecksum(long imei) {
+    public static long luhn(long imei) {
         long checksum = 0;
         long remain = imei;
 
diff --git a/src/org/traccar/protocol/AplicomProtocolDecoder.java b/src/org/traccar/protocol/AplicomProtocolDecoder.java
index aa9dd57d1..c134a282e 100644
--- a/src/org/traccar/protocol/AplicomProtocolDecoder.java
+++ b/src/org/traccar/protocol/AplicomProtocolDecoder.java
@@ -40,7 +40,7 @@ public class AplicomProtocolDecoder extends BaseProtocolDecoder {
     private static final long IMEI_BASE_TC65I_V11 = 0x14143B4000000L;
 
     private static boolean validateImei(long imei) {
-        return Checksum.luhnChecksum(imei / 10) == imei % 10;
+        return Checksum.luhn(imei / 10) == imei % 10;
     }
 
     private static long imeiFromUnitId(long unitId) {
diff --git a/src/org/traccar/protocol/CityeasyProtocolDecoder.java b/src/org/traccar/protocol/CityeasyProtocolDecoder.java
index 457ba9c5d..b08eb6c2d 100644
--- a/src/org/traccar/protocol/CityeasyProtocolDecoder.java
+++ b/src/org/traccar/protocol/CityeasyProtocolDecoder.java
@@ -72,7 +72,7 @@ public class CityeasyProtocolDecoder extends BaseProtocolDecoder {
 
         String imei = ChannelBufferTools.readHexString(buf, 14);
         if (!identify(imei, channel, null, false)) {
-            if (!identify(imei + Checksum.luhnChecksum(Long.parseLong(imei)), channel)) {
+            if (!identify(imei + Checksum.luhn(Long.parseLong(imei)), channel)) {
                 return null;
             }
         }
diff --git a/src/org/traccar/protocol/GpsGateProtocolDecoder.java b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
index 3994587bf..729a824cc 100644
--- a/src/org/traccar/protocol/GpsGateProtocolDecoder.java
+++ b/src/org/traccar/protocol/GpsGateProtocolDecoder.java
@@ -48,7 +48,7 @@ public class GpsGateProtocolDecoder extends BaseProtocolDecoder {
 
     private void send(Channel channel, String message) {
         if (channel != null) {
-            channel.write(message + Checksum.nmeaChecksum(message) + "\r\n");
+            channel.write(message + Checksum.nmea(message) + "\r\n");
         }
     }
 
diff --git a/src/org/traccar/protocol/KhdProtocolDecoder.java b/src/org/traccar/protocol/KhdProtocolDecoder.java
index 3ad6761cd..9e3249a7a 100644
--- a/src/org/traccar/protocol/KhdProtocolDecoder.java
+++ b/src/org/traccar/protocol/KhdProtocolDecoder.java
@@ -136,7 +136,7 @@ public class KhdProtocolDecoder extends BaseProtocolDecoder {
             response.writeByte(buf.readUnsignedByte());
             response.writeByte(type);
             response.writeByte(0); // reserved
-            response.writeByte(Checksum.xorChecksum(response.toByteBuffer()));
+            response.writeByte(Checksum.xor(response.toByteBuffer()));
             response.writeByte(0x0D); // ending
             channel.write(response);
 
diff --git a/src/org/traccar/protocol/KhdProtocolEncoder.java b/src/org/traccar/protocol/KhdProtocolEncoder.java
index ca2407743..a33fa34c2 100644
--- a/src/org/traccar/protocol/KhdProtocolEncoder.java
+++ b/src/org/traccar/protocol/KhdProtocolEncoder.java
@@ -38,7 +38,7 @@ public class KhdProtocolEncoder extends BaseProtocolEncoder {
 
         buf.writeInt(0); // terminal id
 
-        buf.writeByte(Checksum.xorChecksum(buf.toByteBuffer()));
+        buf.writeByte(Checksum.xor(buf.toByteBuffer()));
         buf.writeByte(0x0D); // ending
 
         return buf;
diff --git a/src/org/traccar/protocol/LaipacProtocolDecoder.java b/src/org/traccar/protocol/LaipacProtocolDecoder.java
index 57dd797eb..825ec1eda 100644
--- a/src/org/traccar/protocol/LaipacProtocolDecoder.java
+++ b/src/org/traccar/protocol/LaipacProtocolDecoder.java
@@ -121,7 +121,7 @@ public class LaipacProtocolDecoder extends BaseProtocolDecoder {
 
         if (type.equals("0") && Character.isLowerCase(status.charAt(0))) {
             response = "$EAVACK,0," + checksum;
-            response += Checksum.nmeaChecksum(response);
+            response += Checksum.nmea(response);
         } else if (type.equals("S") || type.equals("T")) {
             response = "$AVCFG,00000000,t*21";
         } else if (type.equals("3")) {
diff --git a/src/org/traccar/protocol/MeiligaoProtocolDecoder.java b/src/org/traccar/protocol/MeiligaoProtocolDecoder.java
index 51587f3b5..bde28492f 100644
--- a/src/org/traccar/protocol/MeiligaoProtocolDecoder.java
+++ b/src/org/traccar/protocol/MeiligaoProtocolDecoder.java
@@ -100,7 +100,7 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
         if (id.length() == 14) {
             // Try to recreate full IMEI number
             // Sometimes first digit is cut, so this won't work
-            if (identify(id + Checksum.luhnChecksum(Long.valueOf(id)), channel, null, false)) {
+            if (identify(id + Checksum.luhn(Long.valueOf(id)), channel, null, false)) {
                 return true;
             }
         }