1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.commons.jexl;
18  
19  import java.util.Map;
20  
21  /***
22   * @author Dion Gillard
23   * Command line interface for Jexl for use in testing
24   */
25  public class Jexl {
26  
27      public static void main(String[] args) {
28          // dummy context to get variables
29          JexlContext context = new JexlContext() {
30              public Map getVars() { return System.getProperties(); }
31              public void setVars(Map map) { }
32          };
33          try {
34              for (int i = 0; i < args.length; i++) {
35                  Expression e = ExpressionFactory.createExpression(args[i]);
36                  System.out.println("evaluate(" + args[i] + ") = '" + e.evaluate(context) + "'");
37              }
38          } catch (Exception e) {
39              e.printStackTrace();
40          }
41      }
42  }