Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.commons.scxml.env.jexl; import java.util.Map; import org.apache.commons.scxml.Builtin; import org.apache.commons.scxml.Context; import org.apache.commons.scxml.env.SimpleContext; /** * JEXL Context implementation for Commons SCXML. * */ public class JexlContext extends SimpleContext implements org.apache.commons.jexl2.JexlContext { /** Serial version UID. */ private static final long serialVersionUID = 1L; /** * Constructor. */ public JexlContext() { super(); getVars().put("_builtin", new Builtin()); } /** * Constructor with initial vars. * * @param initialVars * The initial set of variables. */ public JexlContext(final Map<String, Object> initialVars) { super(initialVars); getVars().put("_builtin", new Builtin()); } /** * Constructor with parent context. * * @param parent * The parent context. */ public JexlContext(final Context parent) { super(parent); getVars().put("_builtin", new Builtin()); } /** * Set the variables map. * * @param vars * The new variables map. * * @see org.apache.commons.jexl.JexlContext#setVars(Map) * @see org.apache.commons.scxml.env.SimpleContext#setVars(Map) */ @Override @SuppressWarnings("unchecked") // Accomodate legacy signature // org.apache.commons.jexl.JexlContext#setVars(Map) public void setVars(final Map vars) { super.setVars(vars); getVars().put("_builtin", new Builtin()); } /** * Clear this Context. * * @see org.apache.commons.scxml.Context#reset() */ @Override public void reset() { super.reset(); getVars().put("_builtin", new Builtin()); } }