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package org.jboss.resteasy.links.impl;

import java.beans.FeatureDescriptor;
import java.util.Iterator;

import jakarta.el.BeanELResolver;
import jakarta.el.ELContext;
import jakarta.el.ELResolver;

public class BaseELResolver extends ELResolver {

    private final ELResolver delegateResolver;
    private final Object base;

    public BaseELResolver(final Object base) {
        this.base = base;
        this.delegateResolver = new BeanELResolver(true);
    }

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

    @Override
    public Iterator getFeatureDescriptors(ELContext context,
            Object base) {
        return null;
    }

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

    @Override
    public Object getValue(ELContext context, Object base, Object property) {
        if (base == null) {
            if ("this".equals(property)) {
                context.setPropertyResolved(true);
                return this.base;
            }
            return delegateResolver.getValue(context, this.base, property);
        }
        return null;
    }

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

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