Package org.eclipse.persistence.internal.jpa.metadata.xml

Source Code of org.eclipse.persistence.internal.jpa.metadata.xml.XMLEntityMappingsWriter

/*******************************************************************************
* Copyright (c) 1998, 2008 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
*     Oracle - initial API and implementation from Oracle TopLink
*     05/16/2008-1.0M8 Guy Pelletier
*       - 218084: Implement metadata merging functionality between mapping file
******************************************************************************/ 
package org.eclipse.persistence.internal.jpa.metadata.xml;

import java.io.*;
import java.net.URI;

import org.eclipse.persistence.oxm.XMLContext;
import org.eclipse.persistence.oxm.XMLMarshaller;
import org.eclipse.persistence.exceptions.ValidationException;

/**
* ORM.xml reader.
*
* @author Guy Pelletier
* @since EclipseLink 1.0
*/
public class XMLEntityMappingsWriter {
    public XMLEntityMappingsWriter() {}

    /**
     * INTERNAL:
     */
    public static void write(XMLEntityMappings entityMappings, URI uri) {
        Writer writer;
        try {
            FileOutputStream outputStream = new FileOutputStream(new File(uri));
            writer = new OutputStreamWriter(outputStream, "UTF-8");
            write(entityMappings, writer);
            writer.close();
        } catch (IOException exception) {
            throw ValidationException.fileError(exception);
        }
    }

    /**
     * INTENAL:
     */
    public static void write(XMLEntityMappings entityMappings, Writer writer) {
      entityMappings.setVersion(XMLEntityMappingsReader.ECLIPSELINK_ORM_XSD_VERSION);
        XMLContext context = new XMLContext(new XMLEntityMappingsMappingProject(XMLEntityMappingsReader.ECLIPSELINK_ORM_NAMESPACE, XMLEntityMappingsReader.ECLIPSELINK_ORM_XSD_NAME));
        XMLMarshaller marshaller = context.createMarshaller();
        marshaller.setSchemaLocation(XMLEntityMappingsReader.ECLIPSELINK_ORM_NAMESPACE + " " + XMLEntityMappingsReader.ECLIPSELINK_ORM_XSD);
        marshaller.marshal(entityMappings, writer);
       
        try {
            writer.flush();
        } catch (IOException exception) {
            throw ValidationException.fileError(exception);
        }
    }
}
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