org.apache.myfaces.trinidadinternal.facelets.LegacyMethodBinding Maven / Gradle / Ivy

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Private implementation of the Apache MyFaces Trinidad project
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 /*
  *  Licensed to the Apache Software Foundation (ASF) under one
  *  or more contributor license agreements.  See the NOTICE file
  *  distributed with this work for additional information
  *  regarding copyright ownership.  The ASF licenses this file
  *  to you under the Apache License, Version 2.0 (the
  *  "License"); you may not use this file except in compliance
  *  with the License.  You may obtain a copy of the License at
  * 
  *  http://www.apache.org/licenses/LICENSE-2.0
  * 
  *  Unless required by applicable law or agreed to in writing,
  *  software distributed under the License is distributed on an
  *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  *  KIND, either express or implied.  See the License for the
  *  specific language governing permissions and limitations
  *  under the License.
  */
 package org.apache.myfaces.trinidadinternal.facelets;

import java.io.Serializable;

import javax.el.ELException;
import javax.el.MethodExpression;
import javax.faces.context.FacesContext;
import javax.faces.el.EvaluationException;
import javax.faces.el.MethodBinding;
import javax.faces.el.MethodNotFoundException;

/**
 * For legacy ActionSources
 * 
 * Implementation copied from Facelets 1.1.14, as it got hidden by JSF 2.0
 * @deprecated
 */
public final class LegacyMethodBinding extends
        MethodBinding implements Serializable {

    private static final long serialVersionUID = 1L;

    private final MethodExpression m;

    public LegacyMethodBinding(MethodExpression m) {
        this.m = m;
    }

    /*
     * (non-Javadoc)
     * 
     * @see javax.faces.el.MethodBinding#getType(javax.faces.context.FacesContext)
     */
    public Class getType(FacesContext context)
            throws MethodNotFoundException {
        try {
            return m.getMethodInfo(context.getELContext()).getReturnType();
        } catch (javax.el.MethodNotFoundException e) {
            throw new MethodNotFoundException(e.getMessage(), e.getCause());
        } catch (ELException e) {
            throw new EvaluationException(e.getMessage(), e.getCause());
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see javax.faces.el.MethodBinding#invoke(javax.faces.context.FacesContext,
     *      java.lang.Object[])
     */
    public Object invoke(FacesContext context, Object[] params)
            throws EvaluationException, MethodNotFoundException {
        try {
            return m.invoke(context.getELContext(), params);
        } catch (javax.el.MethodNotFoundException e) {
            throw new MethodNotFoundException(e.getMessage(), e.getCause());
        } catch (ELException e) {
            throw new EvaluationException(e.getMessage(), e.getCause());
        }
    }

    public String getExpressionString() {
        return m.getExpressionString();
    }
}