add PolyLine impl

cygnus-common/src/main/java/com/telefonica/iot/cygnus/backends/arcgis/model/Feature.java

@@ -317,11 +317,11 @@ public static Feature createInstanceFromJson(JsonObject json) throws ArcgisExcep
                     if (jsonGeometry.get("x") != null) {
                         geometry = Point.createInstanceFromJson(jsonGeometry);
                     } else if (jsonGeometry.get("paths") != null) {
-                        // geometry = Polyline.createInstance(jsonGeometry);
-                    } else if (jsonGeometry.get("points") != null) {
-                        // geometry = MultiPoint.createInstance(jsonGeometry);
-                    } else if (jsonGeometry.get("rings") != null) {
-                        // geometry = Polygon.createInstance(jsonGeometry);
+                        geometry = PolyLine.createInstanceFromJson(jsonGeometry);
+                    // } else if (jsonGeometry.get("points") != null) {
+                    //     // geometry = MultiPoint.createInstance(jsonGeometry);
+                    // } else if (jsonGeometry.get("rings") != null) {
+                    //     // geometry = Polygon.createInstance(jsonGeometry);
                     }
                 }
             }

cygnus-common/src/main/java/com/telefonica/iot/cygnus/backends/arcgis/model/PolyLine.java

@@ -0,0 +1,196 @@
+/**
+ * Copyright 2014-2017 Telefonica Investigación y Desarrollo, S.A.U
+ *
+ * This file is part of fiware-cygnus (FIWARE project).
+ *
+ * fiware-cygnus is free software: you can redistribute it and/or modify it under the terms of the GNU Affero
+ * General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * fiware-cygnus is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
+ * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License along with fiware-cygnus. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * For those usages not covered by the GNU Affero General Public License please contact with iot_support at tid dot es
+ */
+
+package com.telefonica.iot.cygnus.backends.arcgis.model;
+
+import java.util.List;
+import com.google.gson.JsonObject;
+import com.google.gson.Gson;
+import com.telefonica.iot.cygnus.backends.arcgis.exceptions.ArcgisException;
+import com.telefonica.iot.cygnus.log.CygnusLogger;
+
+/**
+ * 
+ * @author avega
+ *
+ */
+public class PolyLine implements Geometry {
+    private static final CygnusLogger LOGGER = new CygnusLogger(PolyLine.class);
+
+    private static final String SPATIAL_REFERENCE_TAG = "spatialReference";
+    private static final String WKID_TAG = "wkid";
+    private static final String PATHS_TAG = "paths";    
+
+    class Paths {
+        private List<List<Point>> paths;
+
+        public String toString() {
+            StringBuilder sb = new StringBuilder();
+            sb.append("{\n  \"paths\": [\n");
+            for (List<Point> path : this.paths) {
+                sb.append("    [\n");
+                for (Point point : path) {
+                    sb.append("      ").append(point.toString()).append(",\n");
+                }
+                sb.setLength(sb.length() - 2);
+                sb.append("\n    ],\n");
+            }
+            sb.setLength(sb.length() - 2);
+            sb.append("\n  ]\n}");
+            return sb.toString();
+        }
+
+    }
+    private List<List<Point>> paths;
+
+    private SpatialReference spatialReference;
+    private int type = Geometry.TYPE_SHAPE; // TBD
+
+    /**
+     * Constructor.
+     * 
+     * @param paths
+     * @param spatialReference
+     */
+    public PolyLine(List<List<Point>> paths, SpatialReference spatialReference) {
+        this.paths = paths;
+        this.spatialReference = spatialReference;
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param lat
+     * @param lng
+     */
+    public PolyLine(List<List<Point>> paths) {
+        this(paths, SpatialReference.WGS84);
+    }
+
+    /**
+     * SetValue.
+     */
+    public void setValue(Geometry g) throws ArcgisException {
+        if (g.getGeometryType() == Geometry.TYPE_SHAPE) {
+            PolyLine polyline = (PolyLine) g;
+            this.paths = polyline.paths;
+        } else {
+            throw new ArcgisException("Invalid Geometry Type, Point expected.");
+        }
+
+    }
+
+    /**
+     * Constructor.
+     * 
+     * @param strPoint
+     * @throws ArcgisException
+     */
+    public PolyLine(String strPolyline) throws ArcgisException {
+        try {
+            Gson gson = new Gson();
+            Paths wrapper = gson.fromJson(strPolyline, Paths.class);
+            this.paths = wrapper.paths;
+            this.spatialReference = SpatialReference.WGS84;
+
+        } catch (NumberFormatException e) {
+            throw new ArcgisException("Unexpected string format for type Point.");
+        }
+    }
+
+    /**
+     * Sets Geometry From JSON.
+     */
+    public void setGeometryFromJSON(String json) {
+        // TODO Auto-generated method stub
+
+    }
+
+    /**
+     * @return JsonObject
+     */
+    public JsonObject toJSON() {
+        JsonObject result = new JsonObject();
+        result.addProperty(PATHS_TAG, this.paths.toString());
+
+        JsonObject spatialRef = new JsonObject();
+        spatialRef.addProperty(WKID_TAG, spatialReference.getWkid());
+
+        result.add(SPATIAL_REFERENCE_TAG, spatialRef);
+        return result;
+    }
+
+    /**
+     * Factroy method.
+     * 
+     * @param json
+     * @return
+     * @throws ArcgisException
+     */
+    public static Geometry createInstanceFromJson(JsonObject json) throws ArcgisException {
+        try {
+            return new PolyLine(json.get(PATHS_TAG).getAsString());
+        } catch (Exception e) {
+            LOGGER.error(e.getClass().getSimpleName() + "  " + e.getMessage());
+            throw new ArcgisException("Unable to parse PolyLine from json " + e.getMessage());
+        }
+
+    }
+
+    /**
+     * @return String
+     */
+    public String toString() {
+        return getPaths().toString();
+    }
+
+    /**
+     * @return geometry type
+     */
+    public int getGeometryType() {
+        return type;
+    }
+
+    /**
+     * 
+     */
+    public void setSpatialReference(SpatialReference spatialReference) {
+        this.spatialReference = spatialReference;
+    }
+
+    /**
+     * 
+     */
+    public SpatialReference getSpatialReference() {
+        return this.spatialReference;
+    }
+
+    /**
+     * 
+     * @return
+     */
+    public List<List<Point>> getPaths() {
+        return paths;
+    }
+
+    @Override
+    public Object getValue() {
+        return null;
+    }
+
+}