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.util;
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 FacesELUtils {
28
29 private FacesELUtils() {
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 }