5 files changed, 85 insertions, 5 deletions
diff --git a/src/org/traccar/BaseProtocol.java b/src/org/traccar/BaseProtocol.java
index 3af39a07c..58ca837ce 100644
--- a/src/org/traccar/BaseProtocol.java
+++ b/src/org/traccar/BaseProtocol.java
@@ -16,6 +16,7 @@
 package org.traccar;
 
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 import org.traccar.database.ActiveDevice;
@@ -39,6 +40,10 @@ public abstract class BaseProtocol implements Protocol {
         supportedCommands.addAll(Arrays.asList(commands));
     }
 
+    public Collection<String> getSupportedCommands() {
+        return supportedCommands;
+    }
+
     @Override
     public void sendCommand(ActiveDevice activeDevice, Command command) {
         if (!supportedCommands.contains(command.getType())) {
diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java
index cd6a071db..dae693080 100644
--- a/src/org/traccar/ServerManager.java
+++ b/src/org/traccar/ServerManager.java
@@ -15,19 +15,20 @@
  */
 package org.traccar;
 
+import org.traccar.model.SupportedCommand;
+
 import java.io.File;
 import java.net.URI;
 import java.net.URL;
 import java.net.URLDecoder;
 import java.nio.charset.StandardCharsets;
-import java.util.Enumeration;
-import java.util.LinkedList;
-import java.util.List;
+import java.util.*;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
 public class ServerManager {
 
+    private final Map<String, BaseProtocol> protocols = new HashMap<>();
     private final List<TrackerServer> serverList = new LinkedList<>();
 
     public ServerManager() throws Exception {
@@ -62,7 +63,9 @@ public class ServerManager {
         for (String name : names) {
             Class protocolClass = Class.forName(packageName + '.' + name);
             if (BaseProtocol.class.isAssignableFrom(protocolClass)) {
-                initProtocolServer((BaseProtocol) protocolClass.newInstance());
+                BaseProtocol baseProtocol = (BaseProtocol) protocolClass.newInstance();
+                protocols.put(baseProtocol.getName(), baseProtocol);
+                initProtocolServer(baseProtocol);
             }
         }
     }
@@ -89,4 +92,19 @@ public class ServerManager {
         }
     }
 
+    public Collection<SupportedCommand> getProtocolSuppportedCommands(String protocol) {
+        ArrayList<SupportedCommand> result = new ArrayList<>();
+
+        if (protocol != null) {
+            BaseProtocol baseProtocol = protocols.get(protocol);
+            for (String commandKey : baseProtocol.getSupportedCommands()) {
+                SupportedCommand supportedCommand = new SupportedCommand();
+                supportedCommand.setKey(commandKey);
+                supportedCommand.setName(commandKey);
+                result.add(supportedCommand);
+            }
+        }
+
+        return result;
+    }
 }
diff --git a/src/org/traccar/api/resource/DeviceResource.java b/src/org/traccar/api/resource/DeviceResource.java
index a4bfc1030..90d3ef675 100644
--- a/src/org/traccar/api/resource/DeviceResource.java
+++ b/src/org/traccar/api/resource/DeviceResource.java
@@ -19,6 +19,7 @@ import org.traccar.Context;
 import org.traccar.api.BaseResource;
 
 import java.sql.SQLException;
+import java.util.ArrayList;
 import java.util.Collection;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.DELETE;
@@ -31,7 +32,12 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
 import org.traccar.model.Device;
+import org.traccar.model.Position;
+import org.traccar.model.SupportedCommand;
 
 @Path("devices")
 @Produces(MediaType.APPLICATION_JSON)
@@ -81,4 +87,11 @@ public class DeviceResource extends BaseResource {
         return Response.noContent().build();
     }
 
+    @Path("{id}/supportedcommands")
+    @GET
+    public Collection<SupportedCommand> get(@PathParam("id") long id) throws SQLException {
+        Context.getPermissionsManager().checkDevice(getUserId(), id);
+        Position latestPosition = Context.getDataManager().getLatestPosition(id);
+        return Context.getServerManager().getProtocolSuppportedCommands(latestPosition.getProtocol());
+    }
 }
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index eb0be9274..3dba215f6 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -472,6 +472,12 @@ public class DataManager implements IdentityManager {
                 .executeQuery(Position.class);
     }
 
+    public Position getLatestPosition(long deviceId) throws SQLException {
+        return QueryBuilder.create(dataSource, getQuery("database.selectLatestPosition"))
+                .setLong("deviceId", deviceId)
+                .executeQuerySingle(Position.class);
+    }
+
     public Server getServer() throws SQLException {
         return QueryBuilder.create(dataSource, getQuery("database.selectServers"))
                 .executeQuerySingle(Server.class);
@@ -482,5 +488,4 @@ public class DataManager implements IdentityManager {
                 .setObject(server)
                 .executeUpdate();
     }
-
 }
diff --git a/src/org/traccar/model/SupportedCommand.java b/src/org/traccar/model/SupportedCommand.java
new file mode 100644
index 000000000..a8f31ab30
--- /dev/null
+++ b/src/org/traccar/model/SupportedCommand.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2016 Gabor Somogyi (gabor.g.somogyi@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.model;
+
+public class SupportedCommand {
+
+    private String key;
+
+    public String getKey() {
+        return key;
+    }
+
+    public void setKey(String key) {
+        this.key = key;
+    }
+
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}