Made Hook an abstract class rather than an interface

src/main/java/world/bentobox/bentobox/api/hooks/BaseHook.java

@@ -1,26 +0,0 @@
-package world.bentobox.bentobox.api.hooks;
-
-import org.bukkit.Bukkit;
-import org.bukkit.plugin.Plugin;
-
-/**
- * @author Poslovitch
- */
-public abstract class BaseHook implements Hook {
-
-    private String pluginName;
-
-    public BaseHook(String pluginName) {
-        this.pluginName = pluginName;
-    }
-
-    @Override
-    public Plugin getPlugin() {
-        return Bukkit.getPluginManager().getPlugin(pluginName);
-    }
-
-    @Override
-    public boolean isPluginAvailable() {
-        return getPlugin() != null && getPlugin().isEnabled();
-    }
-}

src/main/java/world/bentobox/bentobox/api/hooks/Hook.java

@@ -1,27 +1,38 @@
 package world.bentobox.bentobox.api.hooks;
 
+import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
 
 /**
  * @author Poslovitch
  */
-public interface Hook {
+public abstract class Hook {
+
+    private String pluginName;
+
+    public Hook(String pluginName) {
+        this.pluginName = pluginName;
+    }
 
     /**
      * Returns the Plugin instance related to this Hook or null if it could not be found.
      * @return the Plugin instance of the plugin this Hook hooks into.
      */
-    Plugin getPlugin();
+    public Plugin getPlugin() {
+        return Bukkit.getPluginManager().getPlugin(pluginName);
+    }
 
     /**
      * Returns whether the plugin is available or not.
      * @return true if the plugin is available, false otherwise.
      */
-    boolean isPluginAvailable();
+    public boolean isPluginAvailable() {
+        return getPlugin() != null && getPlugin().isEnabled();
+    }
 
     /**
      * Tries to hook into the plugin and returns whether it succeeded or not.
      * @return true if it successfully hooked into the plugin, false otherwise.
      */
-    boolean hook();
+    public abstract boolean hook();
 }