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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://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.jexl3;
19  
20  import java.util.Map;
21  
22  import org.apache.commons.jexl3.internal.Engine;
23  
24  /**
25   * Command line interface for JEXL for use in testing
26   *
27   * @since 1.0
28   */
29  public class Jexl {
30  
31      public static void main(final String[] args) {
32          final JexlEngine JEXL = new Engine();
33          final Map<Object, Object> m = System.getProperties();
34          // dummy context to get variables
35          final JexlContext context = new MapContext();
36          for (final Map.Entry<Object, Object> e : m.entrySet()) {
37              context.set(e.getKey().toString(), e.getValue());
38          }
39          try {
40              for (final String arg : args) {
41                  final JexlExpression e = JEXL.createExpression(arg);
42                  System.out.println("evaluate(" + arg + ") = '" + e.evaluate(context) + "'");
43              }
44          } catch (final Exception e) {
45              e.printStackTrace();
46          }
47      }
48  
49      private Jexl() {
50      }
51  }