01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
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: package org.apache.myfaces.el;
20:
21: import javax.el.ELException;
22: import javax.faces.context.FacesContext;
23: import javax.faces.el.EvaluationException;
24: import javax.faces.el.VariableResolver;
25:
26: import org.apache.myfaces.shared_impl.util.Assert;
27:
28: /**
29: * This class is used to delegate {@link #resolveVariable(FacesContext, String)} to the el resolver of the application.
30: *
31: * @author Mathias Broekelmann (latest modification by $Author: mbr $)
32: * @version $Revision: 524598 $ $Date: 2007-04-01 16:19:55 +0200 (So, 01 Apr 2007) $
33: */
34: @SuppressWarnings("deprecation")
35: public class VariableResolverToApplicationELResolverAdapter extends
36: VariableResolver {
37: @Override
38: public Object resolveVariable(FacesContext facesContext, String name)
39: throws EvaluationException {
40: Assert.notNull(facesContext, "facesContext");
41: Assert.notNull(name, "name");
42:
43: try {
44: return facesContext.getApplication().getELResolver()
45: .getValue(facesContext.getELContext(), null, name);
46: } catch (ELException e) {
47: throw new EvaluationException(e);
48: }
49: }
50:
51: }
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