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package javax.xml.bind;

import javax.xml.transform.Result;
import java.io.IOException;


Controls where a JAXB implementation puts the generates
schema files.


An implementation of this abstract class has to be provided by the calling
application to generate schemas.


This is a class, not an interface so as to allow future versions to evolve
without breaking the compatibility.

Author:
    Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
Since:1.6
/**
 * Controls where a JAXB implementation puts the generates
 * schema files.
 *
 * <p>
 * An implementation of this abstract class has to be provided by the calling
 * application to generate schemas.
 *
 * <p>
 * This is a class, not an interface so as to allow future versions to evolve
 * without breaking the compatibility.
 *
 * @author
 *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
 * @since 1.6
 */
public abstract class SchemaOutputResolver {
    
Decides where the schema file (of the given namespace URI) will be written, and return it as a Result object. 

This method is called only once for any given namespace.
IOW, all the components in one namespace is always written
into the same schema document.

Params:
  • namespaceUri – 
     The namespace URI that the schema declares.
     Can be the empty string, but never be null.
  • suggestedFileName – 
     A JAXB implementation generates an unique file name (like "schema1.xsd")
     for the convenience of the callee. This name can be
     used for the file name of the schema, or the callee can just
     ignore this name and come up with its own name.
     This is just a hint.
Returns: a Result object that encapsulates the actual destination of the schema. If the Result object has a system ID, it must be an absolute system ID. Those system IDs are relativized by the caller and used for <xs:import> statements. If the Result object does not have a system ID, a schema for the namespace URI is generated but it won't be explicitly <xs:import>ed from other schemas. If null is returned, the schema generation for this namespace URI will be skipped.
/**
     * Decides where the schema file (of the given namespace URI)
     * will be written, and return it as a {@link Result} object.
     *
     * <p>
     * This method is called only once for any given namespace.
     * IOW, all the components in one namespace is always written
     * into the same schema document.
     *
     * @param namespaceUri
     *      The namespace URI that the schema declares.
     *      Can be the empty string, but never be null.
     * @param suggestedFileName
     *      A JAXB implementation generates an unique file name (like "schema1.xsd")
     *      for the convenience of the callee. This name can be
     *      used for the file name of the schema, or the callee can just
     *      ignore this name and come up with its own name.
     *      This is just a hint.
     *
     * @return
     *      a {@link Result} object that encapsulates the actual destination
     *      of the schema.
     *
     *      If the {@link Result} object has a system ID, it must be an
     *      absolute system ID. Those system IDs are relativized by the caller and used
     *      for {@literal <xs:import>} statements.
     *
     *      If the {@link Result} object does not have a system ID, a schema
     *      for the namespace URI is generated but it won't be explicitly
     *      {@literal <xs:import>}ed from other schemas.
     *
     *      If {@code null} is returned, the schema generation for this
     *      namespace URI will be skipped.
     */
    public abstract Result createOutput( String namespaceUri, String suggestedFileName ) throws IOException;
}