Merge pull request #3018 from jon-stumpf/jss-parse-nextDateTime

Date and time decoding improvements

1 files changed, 110 insertions, 1 deletions

diff --git a/src/org/traccar/helper/Parser.java b/src/org/traccar/helper/Parser.java
index d64993ccb..2253b79fc 100644
--- a/src/org/traccar/helper/Parser.java
+++ b/src/org/traccar/helper/Parser.java
@@ -15,13 +15,15 @@
  */
 package org.traccar.helper;
 
+import java.util.Date;
+import java.util.TimeZone;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class Parser {
 
     private int position;
-    private Matcher matcher;
+    private final Matcher matcher;
 
     public Parser(Pattern pattern, String input) {
         matcher = pattern.matcher(input);
@@ -165,4 +167,111 @@ public class Parser {
         return nextCoordinate(CoordinateFormat.DEG_MIN_HEM);
     }
 
+    public enum DateTimeFormat {
+        HMS,         // HHMMSS
+        SMH,         // SSMMHH
+
+        HMS_YMD,     // HHMMSSYYYYMMDD      or  HHMMSSYYMMDD
+        HMS_DMY,     // HHMMSSDDMMYYYY      or  HHMMSSDDMMYY
+        SMH_YMD,     // SSMMHHYYYYMMDD      or  SSMMHHYYMMDD
+        SMH_DMY,     // SSMMHHDDMMYYYY      or  SSMMHHDDMMYY
+
+        DMY_HMS,     // DDMMYYYYHHMMSS      or  DDMMYYHHMMSS
+        DMY_HMSS,    // DDMMYYYYHHMMSS.sss  or  DDMMYYHHMMSS.sss
+        YMD_HMS,     // YYYYMMDDHHMMSS      or  YYMMDDHHMMSS
+        YMD_HMSS,    // YYYYMMDDHHMMSS.sss  or  YYMMDDHHMMSS.sss
+    }
+
+    private static final DateTimeFormat DEFAULT_FORMAT = DateTimeFormat.YMD_HMS;
+    private static final String DEFAULT_TZ = "UTC";
+    private static final int DEFAULT_RADIX = 10;
+
+    public Date nextDateTime(DateTimeFormat format, String tz, int radix) {
+        int year = 0, month = 0, day = 0;
+        int hour = 0, minute = 0, second = 0, millisecond = 0;
+        TimeZone timeZone = TimeZone.getTimeZone(tz);
+
+        switch (format) {
+            case HMS:
+                hour = nextInt(radix); minute = nextInt(radix); second = nextInt(radix);
+                break;
+            case SMH:
+                second = nextInt(radix); minute = nextInt(radix); hour = nextInt(radix);
+                break;
+            case HMS_YMD:
+                hour = nextInt(radix); minute = nextInt(radix); second = nextInt(radix);
+                year = nextInt(radix); month = nextInt(radix); day = nextInt(radix);
+                break;
+            case HMS_DMY:
+                hour = nextInt(radix); minute = nextInt(radix); second = nextInt(radix);
+                day = nextInt(radix); month = nextInt(radix); year = nextInt(radix);
+                break;
+            case SMH_YMD:
+                second = nextInt(radix); minute = nextInt(radix); hour = nextInt(radix);
+                year = nextInt(radix); month = nextInt(radix); day = nextInt(radix);
+                break;
+            case SMH_DMY:
+                second = nextInt(radix); minute = nextInt(radix); hour = nextInt(radix);
+                day = nextInt(radix); month = nextInt(radix); year = nextInt(radix);
+                break;
+            case DMY_HMS:
+            case DMY_HMSS:
+                day = nextInt(radix); month = nextInt(radix); year = nextInt(radix);
+                hour = nextInt(radix); minute = nextInt(radix); second = nextInt(radix);
+                break;
+            case YMD_HMS:
+            case YMD_HMSS:
+            default:
+                year = nextInt(radix); month = nextInt(radix); day = nextInt(radix);
+                hour = nextInt(radix); minute = nextInt(radix); second = nextInt(radix);
+                break;
+        }
+
+        if (format == DateTimeFormat.YMD_HMSS || format == DateTimeFormat.DMY_HMSS) {
+                millisecond = nextInt(radix); // (ddd)
+        }
+
+        if (year >= 0 && year < 100) {
+            year += 2000;
+        }
+
+        DateBuilder dateBuilder = new DateBuilder(timeZone);
+
+        if (format != DateTimeFormat.HMS || format != DateTimeFormat.SMH) {
+                dateBuilder.setDate(year, month, day);
+        }
+
+        dateBuilder.setTime(hour, minute, second, millisecond);
+
+        return dateBuilder.getDate();
+    }
+
+    public Date nextDateTime(String tz, int radix) {
+        return nextDateTime(DEFAULT_FORMAT, tz, radix);
+    }
+
+    public Date nextDateTime(DateTimeFormat format, int radix) {
+        return nextDateTime(format, DEFAULT_TZ, radix);
+    }
+
+    public Date nextDateTime(DateTimeFormat format, String tz) {
+        return nextDateTime(format, tz, DEFAULT_RADIX);
+    }
+
+    public Date nextDateTime(DateTimeFormat format) {
+        return nextDateTime(format, DEFAULT_TZ, DEFAULT_RADIX);
+    }
+
+    public Date nextDateTime(String tz) {
+        return nextDateTime(DEFAULT_FORMAT, tz, DEFAULT_RADIX);
+    }
+
+    public Date nextDateTime(int radix) {
+        return nextDateTime(DEFAULT_FORMAT, DEFAULT_TZ, radix);
+    }
+
+    public Date nextDateTime() {
+        return nextDateTime(DEFAULT_FORMAT, DEFAULT_TZ, DEFAULT_RADIX);
+    }
+
 }