98 lines
2.3 KiB
Java
98 lines
2.3 KiB
Java
/*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jserver.gameserver.script;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.script.ScriptContext;
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import com.l2jserver.gameserver.scripting.L2ScriptEngineManager;
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public class Expression
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{
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protected static final Logger _log = Logger.getLogger(Expression.class.getName());
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private final ScriptContext _context;
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public static Object eval(String lang, String code)
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{
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try
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{
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return L2ScriptEngineManager.getInstance().eval(lang, code);
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}
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catch (Exception e)
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{
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_log.log(Level.WARNING, "", e);
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return null;
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}
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}
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public static Object eval(ScriptContext context, String lang, String code)
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{
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try
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{
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return L2ScriptEngineManager.getInstance().eval(lang, code, context);
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}
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catch (Exception e)
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{
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_log.log(Level.WARNING, "", e);
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return null;
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}
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}
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public static Expression create(ScriptContext context, String lang, String code)
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{
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try
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{
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return new Expression(context, lang, code);
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}
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catch (Exception e)
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{
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_log.log(Level.WARNING, "", e);
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return null;
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}
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}
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private Expression(ScriptContext pContext, String pLang, String pCode)
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{
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_context = pContext;
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}
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public <T> void addDynamicVariable(String name, T value)
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{
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try
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{
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_context.setAttribute(name, value, ScriptContext.ENGINE_SCOPE);
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}
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catch (Exception e)
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{
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_log.log(Level.WARNING, "", e);
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}
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}
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public void removeDynamicVariable(String name)
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{
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try
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{
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_context.removeAttribute(name, ScriptContext.ENGINE_SCOPE);
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}
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catch (Exception e)
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{
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_log.log(Level.WARNING, "", e);
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}
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}
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}
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