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/*
* Copyright (c) 1997, 2019 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.api.server;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
/**
* Provides a way to filter {@link SDDocument} infoset while writing it. These
* filter objects can be added to {@link ServiceDefinition} using
* {@link ServiceDefinition#addFilter(SDDocumentFilter)}
*
* @author Kohsuke Kawaguchi
* @author Jitendra Kotamraju
*/
public interface SDDocumentFilter {
/**
* Returns a wrapped XMLStreamWriter on top of passed-in XMLStreamWriter.
* It works like any filtering API for e.g. {@link java.io.FilterOutputStream}.
* The method returns a XMLStreamWriter that calls the same methods on original
* XMLStreamWriter with some modified events. The end result is some infoset
* is filtered before it reaches the original writer and the infoset writer
* doesn't have to change any code to incorporate this filter.
*
* @param doc gives context for the filter. This should only be used to query
* read-only information. Calling doc.writeTo() may result in infinite loop.
* @param w Original XMLStreamWriter
* @return Filtering {@link XMLStreamWriter}
*/
XMLStreamWriter filter(SDDocument doc, XMLStreamWriter w) throws XMLStreamException, IOException;
}