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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.sun.xml.internal.ws.api.server;

import com.sun.xml.internal.ws.api.addressing.WSEndpointReference;
import com.sun.xml.internal.ws.api.pipe.ServerTubeAssemblerContext;
import com.sun.istack.internal.Nullable;

import javax.xml.namespace.QName;

/**
 * Implementations of this class can contribute properties associated with an Endpoint. The properties appear as
 * extensibility elements inside the EndpointReference of the endpoint. If any EPR extensibility elements are configured
 * for an endpoint, the EndpointReference is published inside the WSDL.
 * 
 * @since JAX-WS 2.2
 * @author Rama Pulavarthi
 */
public abstract class EndpointReferenceExtensionContributor {
    /**
     *
     * @param extension EPRExtension is passed if an extension with same QName is already configured on the endpoint
     *      via other means (one possible way is by embedding EndpointReference in WSDL).
     *
     * @return  EPRExtension that should be finally configured on an Endpoint.
     */
    public abstract WSEndpointReference.EPRExtension getEPRExtension(WSEndpoint endpoint, @Nullable WSEndpointReference.EPRExtension extension );

    /**
     *
     * @return QName of the extensibility element that is contributed by this extension.
     */
    public abstract QName getQName();
}
