From 6dfee3947ef96e1092b668ecfc7c58037355ffb8 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 20 May 2015 16:57:21 +1200
Subject: Implement position report loading

---
 src/org/traccar/database/DataManager.java | 17 +++++++------
 src/org/traccar/http/BaseServlet.java     |  6 ++++-
 src/org/traccar/http/JsonConverter.java   |  8 ++++--
 src/org/traccar/http/PositionServlet.java | 42 +++++++++++++++++++++++++++++++
 src/org/traccar/http/WebServer.java       |  1 +
 5 files changed, 64 insertions(+), 10 deletions(-)
 create mode 100644 src/org/traccar/http/PositionServlet.java

(limited to 'src/org/traccar')

diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 5e921c0ea..82e312c7e 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -25,13 +25,7 @@ import java.sql.DriverManager;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
-import java.util.Calendar;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
+import java.util.*;
 import javax.sql.DataSource;
 import org.traccar.helper.DriverDelegate;
 import org.traccar.model.Device;
@@ -381,4 +375,13 @@ public class DataManager {
                 .executeUpdate();
     }
 
+    public Collection<Position> getPositions(long userId, long deviceId, Date from, Date to) throws SQLException {
+        return QueryBuilder.create(dataSource,
+                "SELECT * FROM position WHERE deviceId = :deviceId AND fixTime BETWEEN :from AND :to;")
+                .setLong("deviceId", deviceId)
+                .setDate("from", from)
+                .setDate("to", to)
+                .executeQuery(new Position());
+    }
+
 }
diff --git a/src/org/traccar/http/BaseServlet.java b/src/org/traccar/http/BaseServlet.java
index 122dbe70b..be4b41631 100644
--- a/src/org/traccar/http/BaseServlet.java
+++ b/src/org/traccar/http/BaseServlet.java
@@ -70,7 +70,11 @@ public abstract class BaseServlet extends HttpServlet {
     public void sendResponse(Writer writer, Exception error) throws IOException {
         JsonObjectBuilder result = Json.createObjectBuilder();
         result.add("success", false);
-        result.add("error", error.getMessage());
+        if (error.getMessage() != null) {
+            result.add("error", error.getMessage());
+        } else {
+            result.add("error", error.getClass().getSimpleName());
+        }
         writer.write(result.build().toString());
     }
     
diff --git a/src/org/traccar/http/JsonConverter.java b/src/org/traccar/http/JsonConverter.java
index f7c5a5622..6cdba5492 100644
--- a/src/org/traccar/http/JsonConverter.java
+++ b/src/org/traccar/http/JsonConverter.java
@@ -34,8 +34,12 @@ import org.traccar.model.Factory;
 
 public class JsonConverter {
         
-    public static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ssZ");
-    
+    private static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
+
+    public static Date parseDate(String value) throws ParseException {
+        return dateFormat.parse(value);
+    }
+
     public static <T extends Factory> T objectFromJson(Reader reader, T prototype) throws ParseException {
         return objectFromJson(Json.createReader(reader).readObject(), prototype);
     }
diff --git a/src/org/traccar/http/PositionServlet.java b/src/org/traccar/http/PositionServlet.java
new file mode 100644
index 000000000..e6348ec54
--- /dev/null
+++ b/src/org/traccar/http/PositionServlet.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.http;
+
+import org.traccar.Context;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class PositionServlet extends BaseServlet {
+
+    @Override
+    protected boolean handle(String command, HttpServletRequest req, HttpServletResponse resp) throws Exception {
+        if (command.equals("/get")) {
+            get(req, resp);
+        }
+        return true;
+    }
+    
+    private void get(HttpServletRequest req, HttpServletResponse resp) throws Exception {
+        sendResponse(resp.getWriter(), JsonConverter.arrayToJson(
+                    Context.getDataManager().getPositions(
+                            getUserId(req.getSession()),
+                            Long.valueOf(req.getParameter("deviceId")),
+                            JsonConverter.parseDate(req.getParameter("from")),
+                            JsonConverter.parseDate(req.getParameter("to")))));
+    }
+
+}
diff --git a/src/org/traccar/http/WebServer.java b/src/org/traccar/http/WebServer.java
index 268b53856..4a7b029e1 100644
--- a/src/org/traccar/http/WebServer.java
+++ b/src/org/traccar/http/WebServer.java
@@ -54,6 +54,7 @@ public class WebServer {
             servletHandler.setContextPath("/api");
             servletHandler.addServlet(new ServletHolder(new AsyncServlet()), "/async/*");
             servletHandler.addServlet(new ServletHolder(new DeviceServlet()), "/device/*");
+            servletHandler.addServlet(new ServletHolder(new PositionServlet()), "/position/*");
             servletHandler.addServlet(new ServletHolder(new MainServlet()), "/*");
 
             ResourceHandler mobileResourceHandler = new ResourceHandler();
-- 
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