Merge pull request #2 from Azzerial/development

hot-fix: v1.0 - Slash Command callbacks

Author: azzerial

README.md

@@ -38,37 +38,37 @@ A few of the things you can do with Slash Commands:
 ## How to Use
 
 ```java
-@Slash.Tag("slash_cmd")
+@Slash.Tag("ping_command")
 @Slash.Command(
-    name = "slash-command",
-    description = "A proof of concept Slash Command"
+    name = "ping",
+    description = "Check if the application is online"
 )
-public final class SlashCommand {
+public class PingCommand {
 
     public static void main(String[] args) throws LoginException, InterruptedException {
         final JDA jda = JDABuilder.createDefault(...)
             .build()
             .awaitReady();
         final SlashClient slash = SlashClientBuilder.create(jda)
-            .addCommand(new SlashCommand()) // register your commands
+            .addCommand(new PingCommand()) // register the ping command
             .build();
 
-        slash.getCommand("slash_cmd") // get a SlashCommand by it's @Slash.Tag
-            .upsertGuild(...); // upsert as a guild Slash Command
+        slash.getCommand("ping_command") // get the ping command by it's @Slash.Tag
+            .upsertGuild(...); // upsert it as a guild Slash Command
     }
 
-    @Slash.Handler
+    @Slash.Handler()
     public void callback(SlashCommandEvent event) {
         event.deferReply()
-            .setContent("Hello World!")
+            .setContent("pong!")
             .queue();
     }
 }
 ```
 
 *For more examples and usage guides, please refer to the [wiki](https://github.com/Azzerial/slash-commands/wiki) and the [playground module](playground/).*
 
-## Installation 
+## Installation
 
 This project uses [Jitpack](https://jitpack.io/#azzerial/slash-commands).
 
@@ -110,5 +110,5 @@ This project is licensed under the [Apache License 2.0](LICENSE) © 2021 [Robin
 ---
 
 <p align="center">
-  GitHub <a href="https://github.com/azzerial">@Azzerial</a>
+  Slash Commands by <a href="https://github.com/azzerial">@Azzerial</a>
 </p>

api/src/main/java/com/github/azzerial/slash/internal/AnnotationCompiler.java

@@ -75,15 +75,29 @@ public Map<String, Method> compileHandlers(Class<?> cls, CommandData data) {
                     && method.getParameterTypes()[0] == SlashCommandEvent.class
             )
             .collect(Collectors.toList());
-        final Map<String, List<Method>> handlers = buildHandlersMap(methods);
-
-        checkHandlers(data, handlers);
-        return new HashMap<String, Method>() {{
-            handlers.forEach((k, v) -> put(
-                data.getName() + (k.isEmpty() ? "" : "/" + k),
-                v.get(0)
-            ));
-        }};
+        final Map<String, Method> handlers = buildHandlers(cls, methods);
+        final Set<String> paths = buildPaths(data);
+        final Map<String, Method> mappings = new HashMap<>();
+
+        for (String path : paths) {
+            final String commandPath = path.isEmpty() ? data.getName() : data.getName() + "/" + path;
+
+            if (handlers.containsKey(path)) {
+                mappings.put(commandPath, handlers.get(path));
+                continue;
+            }
+
+            final String[] parts = path.split("/");
+
+            if (parts.length == 2 && handlers.containsKey("*/" + parts[1])) {
+                mappings.put(commandPath, handlers.get("*/" + parts[1]));
+            } else if (parts.length == 2 && handlers.containsKey(parts[0])) {
+                mappings.put(commandPath, handlers.get(parts[0]));
+            } else if (handlers.containsKey("")) {
+                mappings.put(commandPath, handlers.get(""));
+            }
+        }
+        return mappings;
     }
 
     /* Internal */
@@ -134,21 +148,22 @@ private SubcommandGroupData compileSubcommandGroup(SubcommandGroup subcommandGro
             );
     }
 
-    private Map<String, List<Method>> buildHandlersMap(List<Method> methods) {
-        final Map<String, List<Method>> handlers = new HashMap<>();
+    private Map<String, Method> buildHandlers(Class<?> cls, List<Method> methods) {
+        final Map<String, Method> handlers = new HashMap<>();
 
         for (Method method : methods) {
             final Slash.Handler handler = method.getAnnotation(Slash.Handler.class);
 
             if (!handlers.containsKey(handler.value())) {
-                handlers.put(handler.value(), new LinkedList<>());
+                handlers.put(handler.value(), method);
+            } else {
+                throw new IllegalArgumentException("Multiple handlers were declared for the '" + handler.value() + "' command path in " + cls.getSimpleName() + ".class!");
             }
-            handlers.get(handler.value()).add(method);
         }
         return handlers;
     }
 
-    private void checkHandlers(CommandData data, Map<String, List<Method>> handlers) {
+    private Set<String> buildPaths(CommandData data) {
         final Set<String> paths = new HashSet<>();
 
         if (!data.getSubcommandGroups().isEmpty()) {
@@ -164,17 +179,6 @@ private void checkHandlers(CommandData data, Map<String, List<Method>> handlers)
         } else {
             paths.add("");
         }
-
-        for (String path : handlers.keySet()) {
-            final List<Method> methods = handlers.get(path);
-
-            if (!paths.contains(path)) {
-                throw new IllegalArgumentException("Could not find the '" + path + "' command path in '" + data.getName() + "'!");
-            }
-            if (methods.size() != 1) {
-                throw new IllegalArgumentException("Multiple handlers were declared for the '" + path + "' command path in '" + data.getName() + "'!");
-            }
-        }
+        return paths;
     }
-
 }