9 files changed, 111 insertions, 11 deletions
diff --git a/src/org/traccar/BaseProtocol.java b/src/org/traccar/BaseProtocol.java
index 826a290d0..446f57d65 100644
--- a/src/org/traccar/BaseProtocol.java
+++ b/src/org/traccar/BaseProtocol.java
@@ -22,6 +22,7 @@ import org.traccar.model.Command;
 
 import javax.xml.bind.DatatypeConverter;
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -44,6 +45,11 @@ public abstract class BaseProtocol implements Protocol {
     }
 
     @Override
+    public Collection<String> getSupportedCommands() {
+        return supportedCommands;
+    }
+
+    @Override
     public void sendCommand(ActiveDevice activeDevice, Command command) {
         if (command.getType().equals(Command.TYPE_CUSTOM)) {
             String data = (String) command.getAttributes().get(Command.KEY_DATA);
diff --git a/src/org/traccar/Protocol.java b/src/org/traccar/Protocol.java
index edf9bfb36..c99fd8ecb 100644
--- a/src/org/traccar/Protocol.java
+++ b/src/org/traccar/Protocol.java
@@ -3,12 +3,15 @@ package org.traccar;
 import org.traccar.database.ActiveDevice;
 import org.traccar.model.Command;
 
+import java.util.Collection;
 import java.util.List;
 
 public interface Protocol {
 
     String getName();
 
+    Collection<String> getSupportedCommands();
+
     void sendCommand(ActiveDevice activeDevice, Command command);
 
     void initTrackerServers(List<TrackerServer> serverList);
diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java
index cd6a071db..010438a44 100644
--- a/src/org/traccar/ServerManager.java
+++ b/src/org/traccar/ServerManager.java
@@ -62,20 +62,21 @@ 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();
+                initProtocolServer(baseProtocol);
             }
         }
     }
 
     public void start() {
-        for (Object server: serverList) {
-            ((TrackerServer) server).start();
+        for (TrackerServer server: serverList) {
+            server.start();
         }
     }
 
     public void stop() {
-        for (Object server: serverList) {
-            ((TrackerServer) server).stop();
+        for (TrackerServer server: serverList) {
+            server.stop();
         }
 
         // Release resources
diff --git a/src/org/traccar/api/resource/CommandTypeResource.java b/src/org/traccar/api/resource/CommandTypeResource.java
new file mode 100644
index 000000000..ce27f5241
--- /dev/null
+++ b/src/org/traccar/api/resource/CommandTypeResource.java
@@ -0,0 +1,42 @@
+/*
+ * 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.api.resource;
+
+import org.traccar.Context;
+import org.traccar.api.BaseResource;
+import org.traccar.model.CommandType;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import java.sql.SQLException;
+import java.util.Collection;
+
+@Path("commandtypes")
+@Produces(MediaType.APPLICATION_JSON)
+@Consumes(MediaType.APPLICATION_JSON)
+public class CommandTypeResource extends BaseResource {
+
+    @GET
+    public Collection<CommandType> get(@QueryParam("deviceId") long deviceId) throws SQLException {
+        Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
+        return Context.getConnectionManager().getActiveDevice(deviceId).getCommandTypes();
+    }
+
+}
diff --git a/src/org/traccar/api/resource/DeviceResource.java b/src/org/traccar/api/resource/DeviceResource.java
index 0017f13ee..6c0ef32ca 100644
--- a/src/org/traccar/api/resource/DeviceResource.java
+++ b/src/org/traccar/api/resource/DeviceResource.java
@@ -30,6 +30,7 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
+
 import java.sql.SQLException;
 import java.util.Collection;
 
diff --git a/src/org/traccar/database/ActiveDevice.java b/src/org/traccar/database/ActiveDevice.java
index 746d3b393..3f2510af1 100644
--- a/src/org/traccar/database/ActiveDevice.java
+++ b/src/org/traccar/database/ActiveDevice.java
@@ -18,8 +18,12 @@ package org.traccar.database;
 import org.jboss.netty.channel.Channel;
 import org.traccar.Protocol;
 import org.traccar.model.Command;
+import org.traccar.model.CommandType;
 
 import java.net.SocketAddress;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
 
 public class ActiveDevice {
 
@@ -43,6 +47,16 @@ public class ActiveDevice {
         return deviceId;
     }
 
+    public Collection<CommandType> getCommandTypes() {
+        List<CommandType> result = new ArrayList<>();
+
+        for (String commandKey : protocol.getSupportedCommands()) {
+            result.add(new CommandType(commandKey));
+        }
+
+        return result;
+    }
+
     public void sendCommand(Command command) {
         protocol.sendCommand(this, command);
     }
diff --git a/src/org/traccar/database/DataManager.java b/src/org/traccar/database/DataManager.java
index 5a233411b..ac3be45ac 100644
--- a/src/org/traccar/database/DataManager.java
+++ b/src/org/traccar/database/DataManager.java
@@ -482,5 +482,4 @@ public class DataManager implements IdentityManager {
                 .setObject(server)
                 .executeUpdate();
     }
-
 }
diff --git a/src/org/traccar/model/CommandType.java b/src/org/traccar/model/CommandType.java
new file mode 100644
index 000000000..210316f71
--- /dev/null
+++ b/src/org/traccar/model/CommandType.java
@@ -0,0 +1,33 @@
+/*
+ * 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 CommandType {
+
+    private String type;
+
+    public CommandType(String type) {
+        this.type = type;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+}
diff --git a/src/org/traccar/web/WebServer.java b/src/org/traccar/web/WebServer.java
index fc78dce65..8144af0b6 100644
--- a/src/org/traccar/web/WebServer.java
+++ b/src/org/traccar/web/WebServer.java
@@ -35,14 +35,15 @@ import org.traccar.api.ObjectMapperProvider;
 import org.traccar.api.ResourceErrorHandler;
 import org.traccar.api.SecurityRequestFilter;
 import org.traccar.api.resource.CommandResource;
-import org.traccar.api.resource.DevicePermissionResource;
-import org.traccar.api.resource.DeviceResource;
 import org.traccar.api.resource.GroupPermissionResource;
-import org.traccar.api.resource.GroupResource;
-import org.traccar.api.resource.PositionResource;
 import org.traccar.api.resource.ServerResource;
 import org.traccar.api.resource.SessionResource;
+import org.traccar.api.resource.DevicePermissionResource;
 import org.traccar.api.resource.UserResource;
+import org.traccar.api.resource.GroupResource;
+import org.traccar.api.resource.DeviceResource;
+import org.traccar.api.resource.PositionResource;
+import org.traccar.api.resource.CommandTypeResource;
 import org.traccar.helper.Log;
 
 import javax.naming.InitialContext;
@@ -147,7 +148,7 @@ public class WebServer {
         resourceConfig.register(CorsResponseFilter.class);
         resourceConfig.registerClasses(ServerResource.class, SessionResource.class, CommandResource.class,
                 GroupPermissionResource.class, DevicePermissionResource.class, UserResource.class,
-                GroupResource.class, DeviceResource.class, PositionResource.class);
+                GroupResource.class, DeviceResource.class, PositionResource.class, CommandTypeResource.class);
         servletHandler.addServlet(new ServletHolder(new ServletContainer(resourceConfig)), "/*");
 
         handlers.addHandler(servletHandler);