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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    *      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.jexl3;
19  
20  import org.apache.commons.jexl3.internal.Engine;
21  import java.util.Map;
22  
23  /**
24   * Command line interface for JEXL for use in testing
25   * @since 1.0
26   */
27  public class Jexl {
28      private Jexl() {}
29  
30      public static void main(final String[] args) {
31          final JexlEngine JEXL = new Engine();
32          final Map<Object,Object> m = System.getProperties();
33          // dummy context to get variables
34          final JexlContext context = new MapContext();
35          for(final Map.Entry<Object,Object> e : m.entrySet()) {
36              context.set(e.getKey().toString(), e.getValue());
37          }
38          try {
39              for (final String arg : args) {
40                  final JexlExpression e = JEXL.createExpression(arg);
41                  System.out.println("evaluate(" + arg + ") = '" + e.evaluate(context) + "'");
42              }
43          } catch (final Exception e) {
44              e.printStackTrace();
45          }
46      }
47  }