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JSF 2.2+ utility library
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/*
 * Copyright OmniFaces
 *
 * 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
 *
 *     https://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.omnifaces.el;

import jakarta.el.ELContext;
import jakarta.el.ELResolver;
import jakarta.faces.FacesWrapper;

/**
 * Provides a simple implementation of {@link ELResolver} that can
 * be sub-classed by developers wishing to provide specialized behavior
 * to an existing {@link ELResolver} instance. The default
 * implementation of all methods is to call through to the wrapped
 * {@link ELResolver}.
 *
 * Usage: extend this class and provide the instance we are wrapping to the overloaded constructor.
 *
 * @author Arjan Tijms
 */
public class ELResolverWrapper extends ELResolver implements FacesWrapper {

    private ELResolver wrapped;

    /**
     * Construct EL resolver wrapper.
     * @param wrapped The EL resolver to be wrapped.
     */
    public ELResolverWrapper(ELResolver wrapped) {
        this.wrapped = wrapped;
    }

    @Override
    public ELResolver getWrapped() {
        return wrapped;
    }

    @Override
    public Object getValue(ELContext context, Object base, Object property) {
        return getWrapped().getValue(context, base, property);
    }

    @Override
    public Object invoke(ELContext context, Object base, Object method, Class[] paramTypes, Object[] params) {
        return getWrapped().invoke(context, base, method, paramTypes, params);
    }

    @Override
    public Class getType(ELContext context, Object base, Object property) {
        return getWrapped().getType(context, base, property);
    }

    @Override
    public void setValue(ELContext context, Object base, Object property, Object value) {
        getWrapped().setValue(context, base, property, value);
    }

    @Override
    public boolean isReadOnly(ELContext context, Object base, Object property) {
        return getWrapped().isReadOnly(context, base, property);
    }

    @Override
    public Class getCommonPropertyType(ELContext context, Object base) {
        return getWrapped().getCommonPropertyType(context, base);
    }

}