Just NAG once, to be nice

By: Erik Broes <erikbroes@grum.nl>

paper-api/src/main/java/org/bukkit/plugin/Plugin.java

@@ -68,4 +68,16 @@ public interface Plugin extends CommandExecutor {
      * Called when this plugin is enabled
      */
     public void onEnable();
+
+    /**
+     * Simple boolean if we can still nag to the logs about things
+     * @return boolean whether we can nag
+     */
+    public boolean isNaggable();
+
+    /**
+     * Set naggable state
+     * @param canNag is this plugin still naggable?
+     */
+    public void setNaggable(boolean canNag);
 }

paper-api/src/main/java/org/bukkit/plugin/SimplePluginManager.java

@@ -254,12 +254,16 @@ public final class SimplePluginManager implements PluginManager {
                 try {
                     registration.callEvent( event );
                 } catch (AuthorNagException ex) {
-                    server.getLogger().log(Level.SEVERE, String.format(
+                    Plugin plugin = registration.getPlugin();
-                        "Nag author: %s of %s about the following:",
+                    if (plugin.isNaggable()) {
-                        registration.getPlugin().getDescription().getAuthors().get(0),
+                        plugin.setNaggable(false);
-                        registration.getPlugin().getDescription().getName(),
+                        server.getLogger().log(Level.SEVERE, String.format(
-                        ex.getMessage()
+                            "Nag author: %s of %s about the following:",
-                    ));
+                            plugin.getDescription().getAuthors().get(0),
+                            plugin.getDescription().getName(),
+                            ex.getMessage()
+                        ));
+                    }
                 } catch (Throwable ex) {
                     server.getLogger().log(Level.SEVERE, "Could not pass event " + event.getType() + " to " + registration.getPlugin().getDescription().getName(), ex);
                 }

paper-api/src/main/java/org/bukkit/plugin/java/JavaPlugin.java

@@ -24,6 +24,7 @@ public abstract class JavaPlugin implements Plugin {
     private File dataFolder = null;
     private ClassLoader classLoader = null;
     private Configuration config = null;
+    private boolean naggable = true;
 
     public JavaPlugin() {
     }
@@ -189,4 +190,13 @@ public abstract class JavaPlugin implements Plugin {
     public void onLoad() {
         // Empty!
     }
+
+    public final boolean isNaggable() {
+        return naggable;
+    }
+
+    public final void setNaggable(boolean canNag) {
+        this.naggable = canNag;;
+    }
+
 }