elvariableresolver.java

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/*
 * Copyright 2002-2004 the original author or authors.
 *
 * Licensed 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 de.mindmatters.faces.el;

import javax.faces.context.FacesContext;
import javax.servlet.jsp.el.ELException;
import javax.servlet.jsp.el.VariableResolver;

import org.springframework.util.Assert;

/**
 * <strong>Servlet-API VariableResolver</strong> implementation based upon the
 * original {@link javax.faces.el.VariableResolver} of the underlying JSF
 * implementation.
 * 
 * @author Andreas Kuhrwahl
 * 
 */
public final class ELVariableResolver implements VariableResolver {

    /**
     * {@inheritDoc}
     */
    public Object resolveVariable(final String name) throws ELException {
        FacesContext context = FacesContext.getCurrentInstance();
        Assert.notNull(context);
        return context.getApplication().getVariableResolver().resolveVariable(
                context, name);
    }

}