84 lines
2.5 KiB
Java
84 lines
2.5 KiB
Java
/*
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This file is part of the OdinMS Maple Story Server
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Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
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Matthias Butz <matze@odinms.de>
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Jan Christian Meyer <vimes@odinms.de>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation version 3 as published by
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the Free Software Foundation. You may not use, modify or distribute
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this program under any other version of the GNU Affero General Public
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License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package scripting;
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import client.MapleClient;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import javax.script.Invocable;
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import javax.script.ScriptEngine;
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import javax.script.ScriptEngineManager;
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import javax.script.ScriptException;
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import constants.ServerConstants;
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import tools.FilePrinter;
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/**
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*
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* @author Matze
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*/
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public abstract class AbstractScriptManager {
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protected ScriptEngine engine;
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private ScriptEngineManager sem;
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protected AbstractScriptManager() {
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sem = new ScriptEngineManager();
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}
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protected Invocable getInvocable(String path, MapleClient c) {
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path = "scripts/" + path;
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engine = null;
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if (c != null) {
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engine = c.getScriptEngine(path);
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}
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if (engine == null) {
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File scriptFile = new File(path);
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if (!scriptFile.exists()) {
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return null;
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}
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engine = sem.getEngineByName("javascript");
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if (c != null) {
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c.setScriptEngine(path, engine);
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}
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try (FileReader fr = new FileReader(scriptFile)) {
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if (ServerConstants.JAVA_8){
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engine.eval("load('nashorn:mozilla_compat.js');");
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}
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engine.eval(fr);
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} catch (final ScriptException | IOException t) {
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FilePrinter.printError(FilePrinter.INVOCABLE + path.substring(12, path.length()), t, path);
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return null;
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}
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}
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return (Invocable) engine;
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}
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protected void resetContext(String path, MapleClient c) {
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c.removeScriptEngine("scripts/" + path);
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}
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}
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