From 8098c2ba47e36b1aa7293a5e3987fd24e94fecf4 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 30 Apr 2019 23:20:06 -0700
Subject: Add API to get command types by protocol

---
 .../org/traccar/api/resource/CommandResource.java   | 11 +++++++----
 .../java/org/traccar/database/CommandsManager.java  | 21 +++++++++++++--------
 2 files changed, 20 insertions(+), 12 deletions(-)

(limited to 'src/main')

diff --git a/src/main/java/org/traccar/api/resource/CommandResource.java b/src/main/java/org/traccar/api/resource/CommandResource.java
index 703638701..a31345246 100644
--- a/src/main/java/org/traccar/api/resource/CommandResource.java
+++ b/src/main/java/org/traccar/api/resource/CommandResource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2019 Anton Tananaev (anton@traccar.org)
  * Copyright 2016 Gabor Somogyi (gabor.g.somogyi@gmail.com)
  * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
  *
@@ -23,7 +23,6 @@ import org.traccar.database.CommandsManager;
 import org.traccar.model.Command;
 import org.traccar.model.Typed;
 
-import java.sql.SQLException;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
@@ -48,7 +47,7 @@ public class CommandResource extends ExtendedObjectResource<Command> {
 
     @GET
     @Path("send")
-    public Collection<Command> get(@QueryParam("deviceId") long deviceId) throws SQLException {
+    public Collection<Command> get(@QueryParam("deviceId") long deviceId) {
         Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
         CommandsManager commandsManager = Context.getCommandsManager();
         Set<Long> result = new HashSet<>(commandsManager.getUserItems(getUserId()));
@@ -77,11 +76,15 @@ public class CommandResource extends ExtendedObjectResource<Command> {
 
     @GET
     @Path("types")
-    public Collection<Typed> get(@QueryParam("deviceId") long deviceId,
+    public Collection<Typed> get(
+            @QueryParam("deviceId") long deviceId,
+            @QueryParam("protocol") String protocol,
             @QueryParam("textChannel") boolean textChannel) {
         if (deviceId != 0) {
             Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
             return Context.getCommandsManager().getCommandTypes(deviceId, textChannel);
+        } else if (protocol != null) {
+            return Context.getCommandsManager().getCommandTypes(protocol, textChannel);
         } else {
             return Context.getCommandsManager().getAllCommandTypes();
         }
diff --git a/src/main/java/org/traccar/database/CommandsManager.java b/src/main/java/org/traccar/database/CommandsManager.java
index d6fdd66ca..dc9512d9e 100644
--- a/src/main/java/org/traccar/database/CommandsManager.java
+++ b/src/main/java/org/traccar/database/CommandsManager.java
@@ -20,6 +20,7 @@ import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.Queue;
@@ -106,17 +107,21 @@ public class CommandsManager  extends ExtendedObjectManager<Command> {
     }
 
     public Collection<Typed> getCommandTypes(long deviceId, boolean textChannel) {
-        List<Typed> result = new ArrayList<>();
         Position lastPosition = Context.getIdentityManager().getLastPosition(deviceId);
         if (lastPosition != null) {
-            BaseProtocol protocol = Context.getServerManager().getProtocol(lastPosition.getProtocol());
-            Collection<String> commands;
-            commands = textChannel ? protocol.getSupportedTextCommands() : protocol.getSupportedDataCommands();
-            for (String commandKey : commands) {
-                result.add(new Typed(commandKey));
-            }
+            return getCommandTypes(lastPosition.getProtocol(), textChannel);
         } else {
-            result.add(new Typed(Command.TYPE_CUSTOM));
+            return Collections.singletonList(new Typed(Command.TYPE_CUSTOM));
+        }
+    }
+
+    public Collection<Typed> getCommandTypes(String protocolName, boolean textChannel) {
+        List<Typed> result = new ArrayList<>();
+        BaseProtocol protocol = Context.getServerManager().getProtocol(protocolName);
+        Collection<String> commands;
+        commands = textChannel ? protocol.getSupportedTextCommands() : protocol.getSupportedDataCommands();
+        for (String commandKey : commands) {
+            result.add(new Typed(commandKey));
         }
         return result;
     }
-- 
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