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The core XML data binding framework with support for marshalling Java objects to
and unmarshalling from XML documents.
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/**
* Redistribution and use of this software and associated documentation ("Software"), with or
* without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and notices. Redistributions
* must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials provided with
* the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
* without prior written permission of Intalio, Inc. For written permission, please contact
* [email protected].
*
* 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
* their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
* Intalio, Inc.
*
* 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.dsml;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.Enumeration;
import java.util.TooManyListenersException;
import javax.naming.directory.SearchResult;
import org.castor.core.util.Messages;
import org.castor.xml.BackwardCompatibilityContext;
import org.castor.xml.InternalContext;
import org.xml.sax.InputSource;
import org.xml.sax.Parser;
import org.xml.sax.SAXException;
/**
*
*
* @author Assaf Arkin
* @version $Revision$ $Date: 2006-04-10 16:39:24 -0600 (Mon, 10 Apr 2006) $
*/
public abstract class Importer {
private InternalContext _xmlContext = new BackwardCompatibilityContext();
private ImportDescriptor _importDesc;
private ImportEventListener _listener;
public void setImportDescriptor(ImportDescriptor importDesc) {
_importDesc = importDesc;
}
public ImportDescriptor getImportDescriptor() {
if (_importDesc == null)
_importDesc = new ImportDescriptor();
return _importDesc;
}
public void setImportEventListener(ImportEventListener listener)
throws TooManyListenersException {
if (_listener != null)
throw new TooManyListenersException(Messages.message("dsml.onlyOneListener"));
_listener = listener;
}
public ImportEventListener getImportEventListener() {
return _listener;
}
public void importDocument(InputStream stream) throws ImportExportException {
importDocument(_xmlContext.getParser(), new InputSource(stream));
}
public void importDocument(Reader reader) throws ImportExportException {
importDocument(_xmlContext.getParser(), new InputSource(reader));
}
public void importDocument(Parser parser, InputSource input) throws ImportExportException {
Consumer consumer;
consumer = createConsumer();
parser.setDocumentHandler(consumer);
try {
parser.parse(input);
} catch (SAXException except) {
throw new ImportExportException(except);
} catch (IOException except) {
throw new ImportExportException(except);
}
if (consumer.getResults() != null) {
importEntries(consumer.getResults());
}
}
public void readImportDescriptor(InputStream input) throws IOException, SAXException {
readImportDescriptor(_xmlContext.getParser(), new InputSource(input));
}
public void readImportDescriptor(Reader input) throws IOException, SAXException {
readImportDescriptor(_xmlContext.getParser(), new InputSource(input));
}
protected void readImportDescriptor(Parser parser, InputSource input)
throws IOException, SAXException {
ImportDescriptor desc;
desc = new ImportDescriptor();
parser.setDocumentHandler(desc);
parser.parse(input);
setImportDescriptor(desc);
}
protected void notify(String name, int flag) {
if (_listener != null) {
_listener.processedEntry(name, flag);
}
}
protected abstract Consumer createConsumer();
public abstract void importEntries(Enumeration enumeration)
throws ImportExportException;
}