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1   /*
2    * $Id: ExpressionFactoryFactory.java 816924 2009-09-19 13:45:40Z apetrelli $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   * http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  package org.apache.tiles.el;
23  
24  import javax.el.ExpressionFactory;
25  
26  /**
27   * Interface to define a factory of {@link ExpressionFactory}.
28   *
29   * @version $Rev: 816924 $ $Date: 2009-09-19 23:45:40 +1000 (Sat, 19 Sep 2009) $
30   * @since 2.2.1
31   */
32  public interface ExpressionFactoryFactory {
33  
34      /**
35       * Returns the expression factory to use.
36       *
37       * @return The expression factory.
38       * @since 2.2.1
39       */
40      ExpressionFactory getExpressionFactory();
41  }