From 48b68fd2ba51210cb0793239598769efb56472d8 Mon Sep 17 00:00:00 2001
From: ichchha <ichchhamoktan07@gmail.com>
Date: Wed, 26 Feb 2020 12:09:51 +0545
Subject: [PATCH] pushed decode method to toaster library

---
 .../navigationlibrary/BaatoUtil.java          | 67 +++++++++++++++++++
 .../navigationlibrary/ToasterMessage.java     |  1 -
 .../navigationlibrary/models/Geometry.java    | 11 +++
 3 files changed, 78 insertions(+), 1 deletion(-)
 create mode 100644 toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/BaatoUtil.java
 create mode 100644 toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/models/Geometry.java

diff --git a/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/BaatoUtil.java b/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/BaatoUtil.java
new file mode 100644
index 0000000..71fedc4
--- /dev/null
+++ b/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/BaatoUtil.java
@@ -0,0 +1,67 @@
+package com.kathmandulivinglabs.navigationlibrary;
+
+import com.kathmandulivinglabs.navigationlibrary.models.Geometry;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class BaatoUtil {
+    public static Geometry getGeoJsonFromEncodedPolyLine(String encoded) {
+        return new Geometry("LineString", decodePolyline(encoded, false));
+    }
+
+    public static List<List<Double>> decodePolyline(String encoded, boolean is3D) {
+        List<List<Double>> pointList = new ArrayList<>();
+        int index = 0;
+        int len = encoded.length();
+        int lat = 0, lng = 0, ele = 0;
+        while (index < len) {
+            // latitude
+            int b, shift = 0, result = 0;
+            do {
+                b = encoded.charAt(index++) - 63;
+                result |= (b & 0x1f) << shift;
+                shift += 5;
+            } while (b >= 0x20);
+            int deltaLatitude = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
+            lat += deltaLatitude;
+
+            // longitute
+            shift = 0;
+            result = 0;
+            do {
+                b = encoded.charAt(index++) - 63;
+                result |= (b & 0x1f) << shift;
+                shift += 5;
+            } while (b >= 0x20);
+            int deltaLongitude = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
+            lng += deltaLongitude;
+
+            if (is3D) {
+                // elevation
+                shift = 0;
+                result = 0;
+                do {
+                    b = encoded.charAt(index++) - 63;
+                    result |= (b & 0x1f) << shift;
+                    shift += 5;
+                } while (b >= 0x20);
+                int deltaElevation = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
+                ele += deltaElevation;
+                List<Double> list = new ArrayList<>();
+                list.add((double) lat / 1e5);
+                list.add((double) lng / 1e5);
+                list.add((double) ele / 100);
+                pointList.add(list);
+            } else {
+                List<Double> list = new ArrayList<>();
+                list.add((double) lat / 1e5);
+                list.add((double) lng / 1e5);
+                pointList.add(list);
+            }
+        }
+        return pointList;
+    }
+
+
+}
diff --git a/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/ToasterMessage.java b/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/ToasterMessage.java
index 29c04ff..945b554 100644
--- a/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/ToasterMessage.java
+++ b/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/ToasterMessage.java
@@ -8,6 +8,5 @@ public class ToasterMessage {
     public static void s(Context c, String message){
 
         Toast.makeText(c,message,Toast.LENGTH_SHORT).show();
-
     }
 }
\ No newline at end of file
diff --git a/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/models/Geometry.java b/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/models/Geometry.java
new file mode 100644
index 0000000..a36e11e
--- /dev/null
+++ b/toasterlibrary/src/main/java/com/kathmandulivinglabs/navigationlibrary/models/Geometry.java
@@ -0,0 +1,11 @@
+package com.kathmandulivinglabs.navigationlibrary.models;
+
+public class Geometry {
+    public String type;
+    public Object coordinates;
+
+    public Geometry(String type, Object coordinates) {
+        this.type = type;
+        this.coordinates = coordinates;
+    }
+}