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path: root/src/org/traccar/protocol/TotemProtocolDecoder.java
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Diffstat (limited to 'src/org/traccar/protocol/TotemProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/TotemProtocolDecoder.java37
1 files changed, 12 insertions, 25 deletions
diff --git a/src/org/traccar/protocol/TotemProtocolDecoder.java b/src/org/traccar/protocol/TotemProtocolDecoder.java
index 358c5cb67..b6bb0f3e3 100644
--- a/src/org/traccar/protocol/TotemProtocolDecoder.java
+++ b/src/org/traccar/protocol/TotemProtocolDecoder.java
@@ -31,7 +31,7 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final Pattern patternFirst = Pattern.compile(
+ private static final Pattern pattern1 = Pattern.compile(
"\\$\\$" + // Header
"\\p{XDigit}{2}" + // Length
"(\\d+)\\|" + // IMEI
@@ -64,7 +64,7 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
"\\p{XDigit}{4}" + // Checksum
"\r?\n?");
- private static final Pattern patternSecond = Pattern.compile(
+ private static final Pattern pattern2 = Pattern.compile(
"\\$\\$" + // Header
"\\p{XDigit}{2}" + // Length
"(\\d+)\\|" + // IMEI
@@ -91,7 +91,7 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
"\\p{XDigit}{4}" + // Checksum
"\r?\n?");
- private static final Pattern patternThird = Pattern.compile(
+ private static final Pattern pattern3 = Pattern.compile(
"\\$\\$" + // Header
"\\p{XDigit}{2}" + // Length
"(\\d+)\\|" + // IMEI
@@ -121,39 +121,26 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
"\\p{XDigit}{4}" + // Checksum
"\r?\n?");
- private enum MessageFormat {
- first,
- second,
- third
- }
-
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg)
throws Exception {
-
+
String sentence = (String) msg;
// Determine format
- MessageFormat format = MessageFormat.third;
+ Pattern pattern = pattern3;
if (sentence.contains("$GPRMC")) {
- format = MessageFormat.first;
+ pattern = pattern1;
} else {
int index = sentence.indexOf('|');
if (index != -1 && sentence.indexOf('|', index + 1) != -1) {
- format = MessageFormat.second;
+ pattern = pattern2;
}
}
// Parse message
- Matcher parser = null;
- if (format == MessageFormat.first) {
- parser = patternFirst.matcher(sentence);
- } else if (format == MessageFormat.second) {
- parser = patternSecond.matcher(sentence);
- } else if (format == MessageFormat.third) {
- parser = patternThird.matcher(sentence);
- }
+ Matcher parser = pattern.matcher(sentence);
if (!parser.matches()) {
return null;
}
@@ -173,13 +160,13 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
// Alarm type
position.set(Event.KEY_ALARM, parser.group(index++));
- if (format == MessageFormat.first || format == MessageFormat.second) {
+ if (pattern == pattern1 || pattern == pattern2) {
// Time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
time.clear();
int year = 0;
- if (format == MessageFormat.second) {
+ if (pattern == pattern2) {
time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
year = Integer.valueOf(parser.group(index++));
@@ -217,7 +204,7 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
}
// Date
- if (format == MessageFormat.first) {
+ if (pattern == pattern1) {
time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
year = Integer.valueOf(parser.group(index++));
@@ -250,7 +237,7 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder {
// Odometer
position.set(Event.KEY_ODOMETER, parser.group(index++));
- } else if (format == MessageFormat.third) {
+ } else if (pattern == pattern3) {
// Time
Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));