/**
* 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 info@exolab.org.
*
* 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 2001-2002 (C) Intalio, Inc. All Rights Reserved.
*
* $Id: XMLInstance2Schema.java,v 1.1.1.1 2003/03/03 07:09:45 kvisco Exp $
*/
package org.exolab.castor.xml.schema.util;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.Writer;
import org.exolab.castor.util.Configuration;
import org.exolab.castor.util.LocalConfiguration;
import org.exolab.castor.xml.schema.*;
import org.exolab.castor.xml.schema.writer.SchemaWriter;
import org.exolab.castor.util.NestedIOException;
import org.xml.sax.SAXException;
import org.xml.sax.InputSource;
import org.xml.sax.Parser;
import org.apache.xml.serialize.Serializer;
/**
* A class for reading XML Schemas
*
* @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
* @version $Revision: 1.1.1.1 $ $Date: 2003/03/03 07:09:45 $
**/
public class XMLInstance2Schema {
private InputSource _source = null;
private Schema _schema = null;
private Order _defaultGroup = Order.seq;
/**
* Creates a new XMLInstance2Schema
*
**/
public XMLInstance2Schema() {
super();
} //-- XMLInstance2Schema
/**
* Creates an XML Schema using the given XML instance filename.
* The XML Schema created will be based on the specific XML
* instance document.
*
* @param filename the filename for the XML document
**/
public Schema createSchema(String filename)
throws IOException
{
return createSchema(new InputSource(filename));
} //-- createSchema
/**
* Creates an XML Schema using the given Reader. The reader
* must be for an XML instance document. The XML Schema
* created will be based on the specific XML instance document.
*
* @param reader the Reader for the XML document
**/
public Schema createSchema(Reader reader)
throws IOException
{
return createSchema(new InputSource(reader));
} //-- createSchema
/**
* Creates an XML Schema using the given InputSource. The InputSource
* must be for an XML instance document. The XML Schema created will
* be based on the specific XML instance document.
*
* @param source the InputSource for the XML document
**/
public Schema createSchema(InputSource source)
throws IOException
{
XMLInstance2SchemaHandler handler = new XMLInstance2SchemaHandler();
handler.setDefaultGroupOrder(_defaultGroup);
try {
Configuration config = LocalConfiguration.getInstance();
Parser parser = config.getParser();
if (parser == null) {
throw new IOException("fatal error: unable to create SAX parser.");
}
parser.setDocumentHandler(handler);
parser.setErrorHandler(handler);
parser.parse(source);
}
catch(org.xml.sax.SAXException sx) {
throw new NestedIOException(sx);
}
return handler.getSchema();
} //-- createSchema
/**
* Sets the default grouping as "all". By default groups
* will be treated as "sequence".
**/
public void setDefaultGroupingAsAll() {
_defaultGroup = Order.all;
} //-- method: setDefaultGroupAsAll
/**
* For testing purposes only
**/
public static void main(String args[]) {
if (args.length == 0) {
System.out.println("Missing filename");
System.out.println();
System.out.println("usage: java XMLInstance2Schema <input-file> [<output-file> (optional)]");
return;
}
try {
XMLInstance2Schema xi2s = new XMLInstance2Schema();
Schema schema = xi2s.createSchema(args[0]);
Writer dstWriter = null;
SchemaWriter schemaWriter = null;
if (args.length > 1) {
dstWriter = new FileWriter(args[1]);
}
else {
dstWriter = new PrintWriter(System.out, true);
}
schemaWriter = new SchemaWriter(dstWriter);
schemaWriter.write(schema);
dstWriter.flush();
}
catch(Exception ex) {
ex.printStackTrace();
}
} //-- method: main
/* */
} //-- XMLInstance2Schema