Improved network location providers

1 files changed, 66 insertions, 0 deletions

diff --git a/src/org/traccar/location/UniversalLocationProvider.java b/src/org/traccar/location/UniversalLocationProvider.java
new file mode 100644
index 000000000..624d020a5
--- /dev/null
+++ b/src/org/traccar/location/UniversalLocationProvider.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.location;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.ning.http.client.AsyncCompletionHandler;
+import com.ning.http.client.Response;
+import org.traccar.Context;
+import org.traccar.helper.Log;
+import org.traccar.model.Network;
+
+import javax.json.Json;
+import javax.json.JsonObject;
+import javax.json.JsonReader;
+
+public class UniversalLocationProvider implements LocationProvider {
+
+    private String url;
+
+    public UniversalLocationProvider(String url, String key) {
+        this.url = url + "?key=" + key;
+    }
+
+    @Override
+    public void getLocation(Network network, final LocationProviderCallback callback) {
+        try {
+            String request = Context.getObjectMapper().writeValueAsString(network);
+            Context.getAsyncHttpClient().preparePost(url).setBody(request).execute(new AsyncCompletionHandler() {
+                @Override
+                public Object onCompleted(Response response) throws Exception {
+                    try (JsonReader reader = Json.createReader(response.getResponseBodyAsStream())) {
+                        JsonObject json = reader.readObject();
+                        JsonObject location = json.getJsonObject("location");
+                        callback.onSuccess(
+                                location.getJsonNumber("lat").doubleValue(),
+                                location.getJsonNumber("lon").doubleValue(),
+                                json.getJsonNumber("accuracy").doubleValue());
+                    }
+                    return null;
+                }
+
+                @Override
+                public void onThrowable(Throwable t) {
+                    callback.onFailure();
+                }
+            });
+        } catch (JsonProcessingException e) {
+            Log.warning(e);
+            callback.onFailure();
+        }
+    }
+
+}