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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* 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.
*/
/* $Id$ */
package org.apache.fop.fo;
/**
* Class for handling an unknown element, for example one from an unsupported
* namespace.
* This prevents any further problems arising from the unknown
* data.
*/
public class Unknown extends FONode {
/**
* Inner class for handling the creation of Unknown objects
*/
public static class Maker extends ElementMapping.Maker {
/**
* @param parent the FONode that is the parent of the object to be
* created
* @return the created Unknown object
*/
public FONode make(FONode parent) {
return new Unknown(parent);
}
}
/**
* @param parent FONode that is the parent of this object
*/
public Unknown(FONode parent) {
super(parent);
}
private void setup() {
getLogger().debug("Layout Unknown element");
}
/**
* This is a hook for an FOTreeVisitor subclass to be able to access
* this object.
* @param fotv the FOTreeVisitor subclass that can access this object.
* @see org.apache.fop.fo.FOTreeVisitor
*/
public void acceptVisitor(FOTreeVisitor fotv) {
fotv.serveUnknown(this);
}
}
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