append point hints for client-hc, graphhopper#1405

Author: karussell

client-hc/src/main/java/com/graphhopper/api/GraphHopperWeb.java

@@ -128,7 +128,7 @@ PathWrapper createPathWrapper(JsonNode path, boolean tmpElevation, boolean turnD
             JsonNode descriptionNode = path.get("description");
             if (descriptionNode.isArray()) {
                 List<String> description = new ArrayList<>(descriptionNode.size());
-                for (JsonNode descNode: descriptionNode) {
+                for (JsonNode descNode : descriptionNode) {
                     description.add(descNode.asText());
                 }
                 pathWrapper.setDescription(description);
@@ -431,6 +431,10 @@ private Request createRequest(GHRequest request) {
             url += "&" + Parameters.DETAILS.PATH_DETAILS + "=" + details;
         }
 
+        for (String hint : request.getPointHints()) {
+            url += "&point_hint=" + WebHelper.encodeURL(hint);
+        }
+
         if (!key.isEmpty()) {
             url += "&key=" + WebHelper.encodeURL(key);
         }

client-hc/src/test/java/com/graphhopper/api/GraphHopperWebIT.java

@@ -169,7 +169,6 @@ public void testCannotFindPointException() {
         assertTrue(res.getErrors().get(0) instanceof PointNotFoundException);
     }
 
-
     @Test
     public void testOutOfBoundsException() {
         GHRequest req = new GHRequest().
@@ -332,4 +331,15 @@ public void testPathDetails() {
         assertTrue((Double) details.get(0).getValue() > 20);
         assertTrue((Double) details.get(0).getValue() < 70);
     }
+
+    @Test
+    public void testPointHints() {
+        GHRequest ghRequest = new GHRequest();
+        ghRequest.addPoint(new GHPoint(52.50977, 13.371971));
+        ghRequest.addPoint(new GHPoint(52.509842, 13.369761));
+
+        ghRequest.setPointHints(Arrays.asList("Ben-Gurion", ""));
+        GHResponse response = gh.route(ghRequest);
+        assertTrue(response.getBest().getDistance() + "m", response.getBest().getDistance() < 500);
+    }
 }