Java tutorial
/* * Copyright (C) 2007-2013 Crafter Software Corporation. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.craftercms.engine.scripting.impl; import org.apache.commons.collections.MapUtils; import org.craftercms.core.util.cache.impl.CachingAwareObjectBase; import org.craftercms.engine.exception.ScriptException; import org.craftercms.engine.scripting.Script; import javax.script.Bindings; import javax.script.CompiledScript; import javax.script.SimpleBindings; import java.util.Map; /** * A JSR 233 compiled script. * * @author Alfonso Vsquez */ public class Jsr233CompiledScript extends CachingAwareObjectBase implements Script { protected CompiledScript script; protected Map<String, Object> globalVariables; public Jsr233CompiledScript(CompiledScript script, Map<String, Object> globalVariables) { this.script = script; this.globalVariables = globalVariables; } @Override public Object execute(Map<String, Object> variables) throws ScriptException { Bindings bindings = new SimpleBindings(); if (MapUtils.isNotEmpty(globalVariables)) { bindings.putAll(globalVariables); } if (MapUtils.isNotEmpty(variables)) { bindings.putAll(variables); } try { return script.eval(bindings); } catch (Exception e) { throw new ScriptException(e.getMessage(), e); } } }