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-rw-r--r--src/org/traccar/helper/DistanceCalculator.java9
-rw-r--r--src/org/traccar/helper/Log.java31
2 files changed, 23 insertions, 17 deletions
diff --git a/src/org/traccar/helper/DistanceCalculator.java b/src/org/traccar/helper/DistanceCalculator.java
index 7ba5044bc..d191a27af 100644
--- a/src/org/traccar/helper/DistanceCalculator.java
+++ b/src/org/traccar/helper/DistanceCalculator.java
@@ -15,7 +15,10 @@
*/
package org.traccar.helper;
-public class DistanceCalculator {
+public final class DistanceCalculator {
+
+ private DistanceCalculator() {
+ }
private static final double EQUATORIAL_EARTH_RADIUS = 6378.1370;
private static final double DEG_TO_RAD = Math.PI / 180;
@@ -23,8 +26,8 @@ public class DistanceCalculator {
public static double distance(double lat1, double lon1, double lat2, double lon2) {
double dlong = (lon2 - lon1) * DEG_TO_RAD;
double dlat = (lat2 - lat1) * DEG_TO_RAD;
- double a = Math.pow(Math.sin(dlat / 2), 2) +
- Math.cos(lat1 * DEG_TO_RAD) * Math.cos(lat2 * DEG_TO_RAD) * Math.pow(Math.sin(dlong / 2), 2);
+ double a = Math.pow(Math.sin(dlat / 2), 2)
+ + Math.cos(lat1 * DEG_TO_RAD) * Math.cos(lat2 * DEG_TO_RAD) * Math.pow(Math.sin(dlong / 2), 2);
double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
double d = EQUATORIAL_EARTH_RADIUS * c;
return d * 1000;
diff --git a/src/org/traccar/helper/Log.java b/src/org/traccar/helper/Log.java
index f344a4a93..0e55a5445 100644
--- a/src/org/traccar/helper/Log.java
+++ b/src/org/traccar/helper/Log.java
@@ -35,7 +35,10 @@ import org.jboss.netty.logging.InternalLogger;
import org.jboss.netty.logging.InternalLoggerFactory;
import org.traccar.Config;
-public class Log {
+public final class Log {
+
+ private Log() {
+ }
private static final String LOGGER_NAME = "traccar";
@@ -81,24 +84,24 @@ public class Log {
public static void logSystemInfo() {
try {
OperatingSystemMXBean operatingSystemBean = ManagementFactory.getOperatingSystemMXBean();
- Log.info("Operating system" +
- " name: " + operatingSystemBean.getName() +
- " version: " + operatingSystemBean.getVersion() +
- " architecture: " + operatingSystemBean.getArch());
+ Log.info("Operating system"
+ + " name: " + operatingSystemBean.getName()
+ + " version: " + operatingSystemBean.getVersion()
+ + " architecture: " + operatingSystemBean.getArch());
RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
- Log.info("Java runtime" +
- " name: " + runtimeBean.getVmName() +
- " vendor: " + runtimeBean.getVmVendor() +
- " version: " + runtimeBean.getVmVersion());
+ Log.info("Java runtime"
+ + " name: " + runtimeBean.getVmName()
+ + " vendor: " + runtimeBean.getVmVendor()
+ + " version: " + runtimeBean.getVmVersion());
MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
- Log.info("Memory limit" +
- " heap: " + memoryBean.getHeapMemoryUsage().getMax() / (1024 * 1024) + "mb" +
- " non-heap: " + memoryBean.getNonHeapMemoryUsage().getMax() / (1024 * 1024) + "mb");
+ Log.info("Memory limit"
+ + " heap: " + memoryBean.getHeapMemoryUsage().getMax() / (1024 * 1024) + "mb"
+ + " non-heap: " + memoryBean.getNonHeapMemoryUsage().getMax() / (1024 * 1024) + "mb");
- Log.info("Character encoding: " +
- System.getProperty("file.encoding") + " charset: " + Charset.defaultCharset());
+ Log.info("Character encoding: "
+ + System.getProperty("file.encoding") + " charset: " + Charset.defaultCharset());
} catch (Exception error) {
Log.warning("Failed to get system info");