A custom param map is added in the request

Author: IvanDanSantos

src/main/java/com/osrm/client/OSRMClient.java

@@ -4,6 +4,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
 import com.osrm.client.exception.EmptyUrlException;
@@ -57,7 +58,10 @@ public CostMatrices getCostMatrices(CostMatricesRequest request) {
     final String metricsParam = request.isReturnDistanceMatrix() ? "time,distance" : "time";
 
     paramsString = addParamString(paramsString, "metrics", metricsParam);
-    //TODO:423 pending implement vehicular restriction
+
+    for (Map.Entry<String, Object> paramEntry : request.getCustomParameters().entrySet()) {
+      paramsString = addParamString(paramsString, paramEntry.getKey(), paramEntry.getValue().toString());
+    }
 
     RequestBody body = RequestBody.create(mediaType, "loc=" + paramsString);
 

src/main/java/com/osrm/client/request/CostMatricesRequest.java

@@ -4,6 +4,7 @@
 import lombok.Getter;
 
 import java.util.List;
+import java.util.Map;
 
 @Builder
 @Getter
@@ -16,5 +17,6 @@ public class CostMatricesRequest {
   private final String startTime;
   private final String vehicleSubType;
   private final String restrictionOption;
+  private final Map<String, Object> customParameters;
   private final boolean returnDistanceMatrix;
 }