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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.compat;
21  
22  import javax.el.MethodExpression;
23  import javax.faces.context.FacesContext;
24  import javax.faces.event.AbortProcessingException;
25  import javax.faces.event.FacesEvent;
26  
27  public final class FacesUtilsEL {
28  
29    private FacesUtilsEL() {
30      // prevent object creation
31    }
32  
33    public static void invokeMethodExpression(
34        final FacesContext facesContext, final MethodExpression methodExpression, final FacesEvent event) {
35  
36      if (methodExpression != null && event != null) {
37        try {
38          methodExpression.invoke(facesContext.getELContext(), new Object[]{event});
39        } catch (final Exception e) {
40          throw new AbortProcessingException(e);
41        }
42      }
43    }
44  
45  }