Add endpoint to convert list of commands

src/main/java/io/papermc/converter/converter/ConversionController.java

@@ -1,8 +1,11 @@
 package io.papermc.converter.converter;
 
 import io.papermc.converter.config.ApplicationConfig;
+import io.papermc.converter.model.CommandList;
 import io.papermc.converter.service.MinecraftService;
 import io.papermc.converter.service.MinecraftServiceWrapper;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.function.Function;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
@@ -27,6 +30,18 @@ public ResponseEntity<String> convertCommand(@RequestBody final String inputText
         return this.convertValidating(inputText, this.minecraftService::upgradeCommand);
     }
 
+    @PostMapping(value = "/convert-commands")
+    public ResponseEntity<List<String>> convertCommands(@RequestBody final CommandList commandList) {
+        final List<String> output = new ArrayList<>(commandList.commands().size());
+        for (final String command : commandList.commands()) {
+            if (command.length() > this.config.maxInputLength()) {
+                return ResponseEntity.badRequest().build();
+            }
+            output.add(this.minecraftService.upgradeCommand(command.trim()));
+        }
+        return ResponseEntity.ok(output);
+    }
+
     @PostMapping(value = "/convert-item-argument", consumes = "text/plain", produces = "text/plain")
     public ResponseEntity<String> convertItemArgument(@RequestBody final String inputText) {
         return this.convertValidating(inputText, this.minecraftService::upgradeItemArgument);

src/main/java/io/papermc/converter/model/CommandList.java

@@ -0,0 +1,7 @@
+package io.papermc.converter.model;
+
+import jakarta.validation.constraints.Size;
+import java.util.List;
+
+public record CommandList(@Size(max = 200) List<String> commands) {
+}