diff --git a/cmds/uinput/src/com/android/commands/uinput/Event.java b/cmds/uinput/src/com/android/commands/uinput/Event.java
index 4b090f5a713cf..a59c7b9befd86 100644
--- a/cmds/uinput/src/com/android/commands/uinput/Event.java
+++ b/cmds/uinput/src/com/android/commands/uinput/Event.java
@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Objects;
 import java.util.stream.IntStream;
 
 import src.com.android.commands.uinput.InputAbsInfo;
@@ -36,11 +37,20 @@ import src.com.android.commands.uinput.InputAbsInfo;
 public class Event {
     private static final String TAG = "UinputEvent";
 
-    public static final String COMMAND_REGISTER = "register";
-    public static final String COMMAND_DELAY = "delay";
-    public static final String COMMAND_INJECT = "inject";
     private static final int ABS_CNT = 64;
 
+    enum Command {
+        REGISTER("register"),
+        DELAY("delay"),
+        INJECT("inject");
+
+        final String mCommandName;
+
+        Command(String command) {
+            mCommandName = command;
+        }
+    }
+
     // These constants come from "include/uapi/linux/input.h" in the kernel
     enum Bus {
         USB(0x03), BLUETOOTH(0x05);
@@ -56,7 +66,7 @@ public class Event {
     }
 
     private int mId;
-    private String mCommand;
+    private Command mCommand;
     private String mName;
     private int mVid;
     private int mPid;
@@ -72,7 +82,7 @@ public class Event {
         return mId;
     }
 
-    public String getCommand() {
+    public Command getCommand() {
         return mCommand;
     }
 
@@ -146,7 +156,14 @@ public class Event {
         }
 
         private void setCommand(String command) {
-            mEvent.mCommand = command;
+            Objects.requireNonNull(command, "Command must not be null");
+            for (Command cmd : Command.values()) {
+                if (cmd.mCommandName.equals(command)) {
+                    mEvent.mCommand = cmd;
+                    return;
+                }
+            }
+            throw new IllegalStateException("Unrecognized command: " + command);
         }
 
         public void setName(String name) {
@@ -195,21 +212,23 @@ public class Event {
             } else if (mEvent.mCommand == null) {
                 throw new IllegalStateException("Event does not contain a command");
             }
-            if (COMMAND_REGISTER.equals(mEvent.mCommand)) {
-                if (mEvent.mConfiguration == null) {
-                    throw new IllegalStateException(
-                            "Device registration is missing configuration");
+            switch (mEvent.mCommand) {
+                case REGISTER -> {
+                    if (mEvent.mConfiguration == null) {
+                        throw new IllegalStateException(
+                                "Device registration is missing configuration");
+                    }
                 }
-            } else if (COMMAND_DELAY.equals(mEvent.mCommand)) {
-                if (mEvent.mDuration <= 0) {
-                    throw new IllegalStateException("Delay has missing or invalid duration");
+                case DELAY -> {
+                    if (mEvent.mDuration <= 0) {
+                        throw new IllegalStateException("Delay has missing or invalid duration");
+                    }
                 }
-            } else if (COMMAND_INJECT.equals(mEvent.mCommand)) {
-                if (mEvent.mInjections  == null) {
-                    throw new IllegalStateException("Inject command is missing injection data");
+                case INJECT -> {
+                    if (mEvent.mInjections  == null) {
+                        throw new IllegalStateException("Inject command is missing injection data");
+                    }
                 }
-            } else {
-                throw new IllegalStateException("Unknown command " + mEvent.mCommand);
             }
             return mEvent;
         }
diff --git a/cmds/uinput/src/com/android/commands/uinput/Uinput.java b/cmds/uinput/src/com/android/commands/uinput/Uinput.java
index 740578e878ac6..16755c2ea9f73 100644
--- a/cmds/uinput/src/com/android/commands/uinput/Uinput.java
+++ b/cmds/uinput/src/com/android/commands/uinput/Uinput.java
@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.UnsupportedEncodingException;
+import java.util.Objects;
 
 /**
  * Uinput class encapsulates execution of "uinput" command. It parses the provided input stream
@@ -96,28 +97,26 @@ public class Uinput {
 
     private void process(Event e) {
         final int index = mDevices.indexOfKey(e.getId());
-        if (index >= 0) {
-            Device d = mDevices.valueAt(index);
-            if (Event.COMMAND_DELAY.equals(e.getCommand())) {
-                d.addDelay(e.getDuration());
-            } else if (Event.COMMAND_INJECT.equals(e.getCommand())) {
-                d.injectEvent(e.getInjections());
-            } else {
-                if (Event.COMMAND_REGISTER.equals(e.getCommand())) {
-                    error("Device id=" + e.getId() + " is already registered. Ignoring event.");
-                } else {
-                    error("Unknown command \"" + e.getCommand() + "\". Ignoring event.");
-                }
+        if (index < 0) {
+            if (e.getCommand() != Event.Command.REGISTER) {
+                Log.e(TAG, "Unknown device id specified. Ignoring event.");
+                return;
             }
-        } else if (Event.COMMAND_REGISTER.equals(e.getCommand())) {
             registerDevice(e);
-        } else {
-            Log.e(TAG, "Unknown device id specified. Ignoring event.");
+            return;
+        }
+
+        final Device d = mDevices.valueAt(index);
+        switch (Objects.requireNonNull(e.getCommand())) {
+            case REGISTER ->
+                    error("Device id=" + e.getId() + " is already registered. Ignoring event.");
+            case INJECT -> d.injectEvent(e.getInjections());
+            case DELAY -> d.addDelay(e.getDuration());
         }
     }
 
     private void registerDevice(Event e) {
-        if (!Event.COMMAND_REGISTER.equals(e.getCommand())) {
+        if (!Event.Command.REGISTER.equals(e.getCommand())) {
             throw new IllegalStateException(
                     "Tried to send command \"" + e.getCommand() + "\" to an unregistered device!");
         }