Added method for evaluating code

src/main/java/netneutrality/command/specific/EvalMethod.java

@@ -0,0 +1,79 @@
+package netneutrality.command.specific;
+
+/*
+ * Copyright (c) anthorob
+ *
+ * This file is closed-source. It should not be distributed or copied in any way or form
+ */
+
+import net.dv8tion.jda.core.events.message.MessageReceivedEvent;
+import netneutrality.command.AbstractCommand;
+import netneutrality.command.Visibility;
+import netneutrality.music.MusicManager;
+import netneutrality.utils.Settings;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+
+public class EvalMethod extends AbstractCommand {
+
+    @Override
+    public boolean needAdmin() {
+        return true;
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return true;
+    }
+
+    @Override
+    public String getCommand() {
+        return "evaluate";
+    }
+
+    @Override
+    public String[] getAlias() {
+        return new String[] {"eval"};
+    }
+
+    @Override
+    public String getUsage() {
+        return null;
+    }
+
+    @Override
+    public Visibility getVisibility() {
+        return Visibility.BOTH;
+    }
+
+    @Override
+    public String execute(MessageReceivedEvent event, String args) {
+
+        if (event.getAuthor().getId().equals(Settings.getCreator().getId())) {
+            ScriptEngine se = new ScriptEngineManager().getEngineByName("Nashorn");
+            try {
+                se.eval("var imports = new JavaImporter(java.io, java.lang, java.util);");
+            } catch (ScriptException e) {
+                e.printStackTrace();
+            }
+
+            se.put("event", event);
+            se.put("jda", event.getJDA());
+            se.put("guild", event.getGuild());
+            se.put("channel", event.getChannel());
+            se.put("member", event.getMember());
+            se.put("music", MusicManager.get(event.getGuild()));
+
+            try {
+                event.getTextChannel().sendMessage(" Evaluated Successfully:\n```\n"+se.eval("(function() {with (imports) {\nreturn " + args + "\n}})();") + " ```").queue();
+            }
+            catch(Exception e) {
+                event.getTextChannel().sendMessage(" An exception was thrown:\n```\n"+e+" ```").queue();
+            }
+        }
+
+        return null;
+    }
+}