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    1   /*
    2    *
    3    *   Copyright 2006 The Apache Software Foundation.
    4    *
    5    *  Licensed under the Apache License, Version 2.0 (the "License");
    6    *  you may not use this file except in compliance with the License.
    7    *  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   *  Unless required by applicable law or agreed to in writing, software
    12   *  distributed under the License is distributed on an "AS IS" BASIS,
    13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   *  See the License for the specific language governing permissions and
    15   *  limitations under the License.
    16   *
    17   */
    18  package org.apache.commons.scxml.env.jexl;
    19
    20  import java.util.Map;
    21
    22  import org.apache.commons.scxml.Builtin;
    23  import org.apache.commons.scxml.Context;
    24  import org.apache.commons.scxml.env.SimpleContext;
    25
    26  /***
    27   * JEXL Context implementation for Commons SCXML.
    28   *
    29   */
    30  public class JexlContext extends SimpleContext
    31      implements org.apache.commons.jexl.JexlContext {
    32
    33      /***
    34       * Constructor.
    35       */
    36      public JexlContext() {
    37          super();
    38          getVars().put("_builtin", new Builtin());
    39      }
    40
    41      /***
    42       * Constructor with initial vars.
    43       *
    44       * @param initialVars The initial set of variables.
    45       */
    46      public JexlContext(final Map initialVars) {
    47          super(initialVars);
    48          getVars().put("_builtin", new Builtin());
    49      }
    50
    51      /***
    52       * Constructor with parent context.
    53       *
    54       * @param parent The parent context.
    55       */
    56      public JexlContext(final Context parent) {
    57          super(parent);
    58          getVars().put("_builtin", new Builtin());
    59      }
    60
    61      /***
    62       * Set the variables map.
    63       *
    64       * @param vars The new variables map.
    65       *
    66       * @see org.apache.commons.jexl.JexlContext#setVars(Map)
    67       * @see org.apache.commons.scxml.env.SimpleContext#setVars(Map)
    68       */
    69      public void setVars(final Map vars) {
    70          super.setVars(vars);
    71          getVars().put("_builtin", new Builtin());
    72      }
    73
    74      /***
    75       * Get the variables map.
    76       *
    77       * @return Map The variables map.
    78       *
    79       * @see org.apache.commons.jexl.JexlContext#getVars()
    80       * @see org.apache.commons.scxml.env.SimpleContext#getVars()
    81       */
    82      public Map getVars() {
    83          return super.getVars();
    84      }
    85
    86      /***
    87       * Clear this Context.
    88       *
    89       * @see org.apache.commons.scxml.Context#reset()
    90       */
    91      public void reset() {
    92          super.reset();
    93          getVars().put("_builtin", new Builtin());
    94      }
    95
    96  }
    97