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package com.sun.tools.internal.xjc.reader.internalizer;

import org.w3c.dom.Element;
import org.xml.sax.helpers.XMLFilterImpl;


Encapsulates schema-language dependent internalization logic. Internalizer and DOMForest are responsible for doing schema language independent part, and this object is responsible for schema language dependent part. 
Author:
    Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
/**
 * 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 (kohsuke.kawaguchi@sun.com)
 */
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 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.

 DOMForest will register ErrorHandler to the returned object, so any error should be sent to that error handler. 
Returns: This method returns XMLFilterImpl because the filter has to be usable for two directions (wrapping a reader and wrapping a ContentHandler)
/**
     * Creates a new instance of XMLFilter that can be used to
     * find references to external schemas.
     *
     * <p>
     * Schemas that are included/imported need to be a part of
     * {@link DOMForest}, and this filter will be expected to
     * find such references.
     *
     * <p>
     * Once such a reference is found, the filter is expected to
     * call the parse method of DOMForest.
     *
     * <p>
     * {@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.

Params:
  • parent – 
     The owner DOMForest object. Probably useful only
     to obtain context information, such as error handler.
  • bindings –  <jaxb:bindings> element or a customization element.
Returns:
     true if it's OK, false if not.
/**
     * 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 <jaxb:bindings>} 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 <xsd:appinfo> element that receives customization. 
Params:
  • target – 
     The target node designated by the customization.
Returns:
     Always return non-null valid object
/**
     * Prepares an element that actually receives customizations.
     *
     * <p>
     * For example, in XML Schema, target nodes can be any schema
     * element but it is always the {@code <xsd:appinfo>} element that
     * receives customization.
     *
     * @param target
     *      The target node designated by the customization.
     * @return
     *      Always return non-null valid object
     */
    Element refineTarget( Element target );
}