com.sun.tools.xjc.reader.internalizer.InternalizationLogic Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2021 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.tools.xjc.reader.internalizer;
import org.w3c.dom.Element;
import org.xml.sax.helpers.XMLFilterImpl;
/**
* Encapsulates schema-language dependent internalization logic.
*
* {@link Internalizer} and {@link DOMForest} are responsible for
* doing schema language independent part, and this object is responsible
* for schema language dependent part.
*
* @author
* Kohsuke Kawaguchi ([email protected])
*/
public interface InternalizationLogic {
/**
* Creates a new instance of XMLFilter that can be used to
* find references to external schemas.
*
*
* Schemas that are included/imported need to be a part of
* {@link DOMForest}, and this filter will be expected to
* find such references.
*
*
* Once such a reference is found, the filter is expected to
* call the parse method of DOMForest.
*
*
* {@link DOMForest} will register ErrorHandler to the returned
* object, so any error should be sent to that error handler.
*
* @return
* This method returns {@link XMLFilterImpl} because
* the filter has to be usable for two directions
* (wrapping a reader and wrapping a ContentHandler)
*/
XMLFilterImpl createExternalReferenceFinder( DOMForest parent );
/**
* Checks if the specified element is a valid target node
* to attach a customization.
*
* @param parent
* The owner DOMForest object. Probably useful only
* to obtain context information, such as error handler.
* @param bindings
* {@code } element or a customization element.
* @return
* true if it's OK, false if not.
*/
boolean checkIfValidTargetNode( DOMForest parent, Element bindings, Element target );
/**
* Prepares an element that actually receives customizations.
*
*
* For example, in XML Schema, target nodes can be any schema
* element but it is always the {@code } element that
* receives customization.
*
* @param target
* The target node designated by the customization.
* @return
* Always return non-null valid object
*/
Element refineTarget( Element target );
}