source

Source for my MapleSolaxiaV2 (v83 MapleStory).

src/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.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.lang.reflect.UndeclaredThrowableException;
+import java.util.HashMap;
+import java.util.Map;
+import javax.script.Compilable;
+import javax.script.Invocable;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineFactory;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+import server.MaplePortal;
+import tools.FilePrinter;
+
+public class PortalScriptManager {
+
+    private static PortalScriptManager instance = new PortalScriptManager();
+    private Map<String, PortalScript> scripts = new HashMap<>();
+    private ScriptEngineFactory sef;
+
+    private PortalScriptManager() {
+        ScriptEngineManager sem = new ScriptEngineManager();
+        sef = sem.getEngineByName("javascript").getFactory();
+    }
+
+    public static PortalScriptManager getInstance() {
+        return instance;
+    }
+
+    private PortalScript getPortalScript(String scriptName) {
+        if (scripts.containsKey(scriptName)) {
+            return scripts.get(scriptName);
+        }
+        File scriptFile = new File("scripts/portal/" + scriptName + ".js");
+        if (!scriptFile.exists()) {
+            scripts.put(scriptName, null);
+            return null;
+        }
+        FileReader fr = null;
+        ScriptEngine portal = sef.getScriptEngine();
+        try {
+            fr = new FileReader(scriptFile);
+            ((Compilable) portal).compile(fr).eval();
+        } catch (ScriptException | IOException | UndeclaredThrowableException e) {
+            FilePrinter.printError(FilePrinter.PORTAL + scriptName + ".txt", e);
+        } finally {
+            if (fr != null) {
+                try {
+                    fr.close();
+                } catch (IOException e) {
+                    System.out.println("ERROR CLOSING " + e);
+                }
+            }
+        }
+        PortalScript script = ((Invocable) portal).getInterface(PortalScript.class);
+        scripts.put(scriptName, script);
+        return script;
+    }
+
+    public boolean executePortalScript(MaplePortal portal, MapleClient c) {
+        try {
+            PortalScript script = getPortalScript(portal.getScriptName());
+            if (script != null) {
+                return script.enter(new PortalPlayerInteraction(c, portal));
+            }
+        } 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();
+    }
+}