From 797263bfe9655ac82a97954c6930ec4a650a0609 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 13 Oct 2015 10:27:02 +1300
Subject: Create date builder util class

---
 src/org/traccar/helper/DateBuilder.java           | 94 +++++++++++++++++++++++
 src/org/traccar/protocol/Gt06ProtocolDecoder.java | 15 ++--
 2 files changed, 99 insertions(+), 10 deletions(-)
 create mode 100644 src/org/traccar/helper/DateBuilder.java

(limited to 'src/org/traccar')

diff --git a/src/org/traccar/helper/DateBuilder.java b/src/org/traccar/helper/DateBuilder.java
new file mode 100644
index 000000000..e0e9e0cab
--- /dev/null
+++ b/src/org/traccar/helper/DateBuilder.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2015 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.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.helper;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.TimeZone;
+
+public class DateBuilder {
+
+    private Calendar calendar;
+
+    public DateBuilder() {
+        this(TimeZone.getTimeZone("UTC"));
+
+    }
+
+    public DateBuilder(TimeZone timeZone) {
+        calendar = Calendar.getInstance(timeZone);
+        calendar.clear();
+    }
+
+    public DateBuilder setYear(int year) {
+        if (year < 100) {
+            year += 2000;
+        }
+        calendar.set(Calendar.YEAR, year);
+        return this;
+    }
+
+    public DateBuilder setMonth(int month) {
+        calendar.set(Calendar.MONTH, month - 1);
+        return this;
+    }
+
+    public DateBuilder setDay(int day) {
+        calendar.set(Calendar.DAY_OF_MONTH, day);
+        return this;
+    }
+
+    public DateBuilder setDate(int year, int month, int day) {
+        return setYear(year).setMonth(month).setDay(day);
+    }
+
+    public DateBuilder setHour(int hour) {
+        calendar.set(Calendar.HOUR_OF_DAY, hour);
+        return this;
+    }
+
+    public DateBuilder setMinute(int minute) {
+        calendar.set(Calendar.MINUTE, minute);
+        return this;
+    }
+
+    public DateBuilder setSecond(int second) {
+        calendar.set(Calendar.SECOND, second);
+        return this;
+    }
+
+    public DateBuilder setMillis(int millis) {
+        calendar.set(Calendar.MILLISECOND, millis);
+        return this;
+    }
+
+    public DateBuilder setTime(int hour, int minute, int second) {
+        return setHour(hour).setMinute(minute).setSecond(second);
+    }
+
+    public DateBuilder setTime(int hour, int minute, int second, int millis) {
+        return setHour(hour).setMinute(minute).setSecond(second).setMillis(millis);
+    }
+
+    public DateBuilder setDateTime(int year, int month, int day, int hour, int minute, int second) {
+        return setDate(year, month, day).setTime(hour, minute, second);
+    }
+
+    public Date build() {
+        return calendar.getTime();
+    }
+
+}
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 6f62baf11..5d79958a5 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -24,6 +24,7 @@ import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.Context;
 import org.traccar.helper.Checksum;
+import org.traccar.helper.DateBuilder;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
@@ -157,16 +158,10 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
                 position.setDeviceId(getDeviceId());
                 position.setProtocol(getProtocolName());
 
-                // Date and time
-                Calendar time = Calendar.getInstance(timeZone);
-                time.clear();
-                time.set(Calendar.YEAR, 2000 + buf.readUnsignedByte());
-                time.set(Calendar.MONTH, buf.readUnsignedByte() - 1);
-                time.set(Calendar.DAY_OF_MONTH, buf.readUnsignedByte());
-                time.set(Calendar.HOUR_OF_DAY, buf.readUnsignedByte());
-                time.set(Calendar.MINUTE, buf.readUnsignedByte());
-                time.set(Calendar.SECOND, buf.readUnsignedByte());
-                position.setTime(time.getTime());
+                DateBuilder dateBuilder = new DateBuilder(timeZone)
+                        .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
+                        .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+                position.setTime(dateBuilder.build());
 
                 // GPS length and Satellites count
                 int gpsLength = buf.readUnsignedByte();
-- 
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