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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc., and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.weld.util.el;

import javax.el.ELContext;
import javax.el.ValueExpression;
import javax.el.ValueReference;

/**
 * @author pmuir
 */
public abstract class ForwardingValueExpression extends ValueExpression {

    private static final long serialVersionUID = -2318681808639242038L;

    protected abstract ValueExpression delegate();

    @SuppressWarnings({"rawtypes", "unchecked"})
    @Override
    public Class getExpectedType() {
        return delegate().getExpectedType();
    }

    @SuppressWarnings({"rawtypes", "unchecked"})
    @Override
    public Class getType(ELContext context) {
        return delegate().getType(context);
    }

    @Override
    public Object getValue(ELContext context) {
        return delegate().getValue(context);
    }

    @Override
    public boolean isReadOnly(ELContext context) {
        return delegate().isReadOnly(context);
    }

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

    @Override
    public String getExpressionString() {
        return delegate().getExpressionString();
    }

    @Override
    public boolean isLiteralText() {
        return delegate().isLiteralText();
    }

    @Override
    public boolean equals(Object obj) {
        return this == obj || delegate().equals(obj);
    }

    @Override
    public int hashCode() {
        return delegate().hashCode();
    }

    @Override
    public String toString() {
        return delegate().toString();
    }

    @Override
    public ValueReference getValueReference(ELContext context) {
        return delegate().getValueReference(context);
    }
}