001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.scxml.env.jexl; 018 019 import java.util.Map; 020 021 import org.apache.commons.scxml.Builtin; 022 import org.apache.commons.scxml.Context; 023 import org.apache.commons.scxml.env.SimpleContext; 024 025 /** 026 * JEXL Context implementation for Commons SCXML. 027 * 028 */ 029 public class JexlContext extends SimpleContext 030 implements org.apache.commons.jexl.JexlContext { 031 032 /** Serial version UID. */ 033 private static final long serialVersionUID = 1L; 034 035 /** 036 * Constructor. 037 */ 038 public JexlContext() { 039 super(); 040 getVars().put("_builtin", new Builtin()); 041 } 042 043 /** 044 * Constructor with initial vars. 045 * 046 * @param initialVars The initial set of variables. 047 */ 048 public JexlContext(final Map initialVars) { 049 super(initialVars); 050 getVars().put("_builtin", new Builtin()); 051 } 052 053 /** 054 * Constructor with parent context. 055 * 056 * @param parent The parent context. 057 */ 058 public JexlContext(final Context parent) { 059 super(parent); 060 getVars().put("_builtin", new Builtin()); 061 } 062 063 /** 064 * Set the variables map. 065 * 066 * @param vars The new variables map. 067 * 068 * @see org.apache.commons.jexl.JexlContext#setVars(Map) 069 * @see org.apache.commons.scxml.env.SimpleContext#setVars(Map) 070 */ 071 public void setVars(final Map vars) { 072 super.setVars(vars); 073 getVars().put("_builtin", new Builtin()); 074 } 075 076 /** 077 * Get the variables map. 078 * 079 * @return Map The variables map. 080 * 081 * @see org.apache.commons.jexl.JexlContext#getVars() 082 * @see org.apache.commons.scxml.env.SimpleContext#getVars() 083 */ 084 public Map getVars() { 085 return super.getVars(); 086 } 087 088 /** 089 * Clear this Context. 090 * 091 * @see org.apache.commons.scxml.Context#reset() 092 */ 093 public void reset() { 094 super.reset(); 095 getVars().put("_builtin", new Builtin()); 096 } 097 098 } 099