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src/main/java/scripting/portal/PortalScriptManager.java

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+/*
+This file is part of the OdinMS Maple Story Server
+Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
+Matthias Butz <matze@odinms.de>
+Jan Christian Meyer <vimes@odinms.de>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation version 3 as published by
+the Free Software Foundation. You may not use, modify or distribute
+this program under any other version of the GNU Affero General Public
+License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package scripting.portal;
+
+import client.MapleClient;
+import java.lang.reflect.UndeclaredThrowableException;
+import java.util.HashMap;
+import java.util.Map;
+import javax.script.ScriptEngineFactory;
+import javax.script.ScriptEngineManager;
+import jdk.nashorn.api.scripting.NashornScriptEngine;
+import scripting.AbstractScriptManager;
+import server.maps.MaplePortal;
+import tools.FilePrinter;
+
+public class PortalScriptManager extends AbstractScriptManager {
+
+    private static PortalScriptManager instance = new PortalScriptManager();
+    
+    public static PortalScriptManager getInstance() {
+        return instance;
+    }
+    
+    private Map<String, NashornScriptEngine> scripts = new HashMap<>();
+    private ScriptEngineFactory sef;
+
+    private PortalScriptManager() {
+        ScriptEngineManager sem = new ScriptEngineManager();
+        sef = sem.getEngineByName("javascript").getFactory();
+    }
+
+    private NashornScriptEngine getPortalScript(String scriptName) {
+        String scriptPath = "portal/" + scriptName + ".js";
+        NashornScriptEngine iv = scripts.get(scriptPath);
+        if (iv != null) {
+            return iv;
+        }
+        
+        iv = getScriptEngine(scriptPath);
+        if (iv == null) {
+            return null;
+        }
+        
+        scripts.put(scriptPath, iv);
+        return iv;
+    }
+
+    public boolean executePortalScript(MaplePortal portal, MapleClient c) {
+        try {
+            NashornScriptEngine iv = getPortalScript(portal.getScriptName());
+            if (iv != null) {
+                boolean couldWarp = (boolean) iv.invokeFunction("enter", new PortalPlayerInteraction(c, portal));
+                return couldWarp;
+            }
+        } catch (UndeclaredThrowableException ute) {
+            FilePrinter.printError(FilePrinter.PORTAL + portal.getScriptName() + ".txt", ute);
+        } catch (final Exception e) {
+            FilePrinter.printError(FilePrinter.PORTAL + portal.getScriptName() + ".txt", e);
+        }
+        return false;
+    }
+
+    public void reloadPortalScripts() {
+        scripts.clear();
+    }
+}