/**
* 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 1999-2002 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.schema.reader;
//-- imported classes and packages
import org.exolab.castor.xml.AttributeSet;
import org.exolab.castor.xml.Namespaces;
import org.exolab.castor.xml.XMLException;
import org.exolab.castor.xml.schema.Annotation;
import org.exolab.castor.xml.schema.Facet;
import org.exolab.castor.xml.schema.FacetFactory;
import org.exolab.castor.xml.schema.SchemaContext;
import org.exolab.castor.xml.schema.SchemaException;
import org.exolab.castor.xml.schema.SchemaNames;
/**
* A class for Unmarshalling facets
* @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
* @version $Revision$ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
**/
public class FacetUnmarshaller extends ComponentReader {
//--------------------/
//- Member Variables -/
//--------------------/
/**
* The current ComponentReader.
**/
private ComponentReader unmarshaller = null;
/**
* The current branch depth
**/
private int depth = 0;
/**
* The Facet we are constructing
**/
private Facet _facet = null;
/**
* The element name of the Facet currently being unmarshalled
**/
private String _elementName = null;
//----------------/
//- Constructors -/
//----------------/
/**
* Creates a new FacetUnmarshaller.
* @param schemaContext the {@link SchemaContext} to get some configuration settings from
* @param name the name of the Facet
* @param atts the AttributeList
**/
public FacetUnmarshaller (
final SchemaContext schemaContext,
final String name,
final AttributeSet atts)
throws XMLException {
super(schemaContext);
_elementName = name;
if (!isFacet(name)) {
String err = "'" + name + "' is not a valid or supported facet.";
throw new IllegalArgumentException(err);
}
_facet = FacetFactory.getInstance().createFacet(
name, atts.getValue(SchemaNames.VALUE_ATTR));
} //-- FacetUnmarshaller
//-----------/
//- Methods -/
//-----------/
/**
* Returns the name of the element that this ComponentReader
* handles
* @return the name of the element that this ComponentReader
* handles
**/
public String elementName() {
return _elementName;
} //-- elementName
/**
*
**/
public Facet getFacet() {
return _facet;
} //-- getArchetype
/**
* Returns the Object created by this ComponentReader
* @return the Object created by this ComponentReader
**/
public Object getObject() {
return getFacet();
} //-- getObject
/**
* Signals the start of an element with the given name.
*
* @param name the NCName of the element. It is an error
* if the name is a QName (ie. contains a prefix).
* @param namespace the namespace of the element. This may be null.
* Note: A null namespace is not the same as the default namespace unless
* the default namespace is also null.
* @param atts the AttributeSet containing the attributes associated
* with the element.
* @param nsDecls the namespace declarations being declared for this
* element. This may be null.
**/
public void startElement(String name, String namespace, AttributeSet atts,
Namespaces nsDecls)
throws XMLException
{
//-- Do delagation if necessary
if (unmarshaller != null) {
unmarshaller.startElement(name, namespace, atts, nsDecls);
++depth;
return;
}
if (SchemaNames.ANNOTATION.equals(name)) {
unmarshaller = new AnnotationUnmarshaller(getSchemaContext(), atts);
}
else illegalElement(name);
} //-- startElement
/**
* Signals to end of the element with the given name.
*
* @param name the NCName of the element. It is an error
* if the name is a QName (ie. contains a prefix).
* @param namespace the namespace of the element.
**/
public void endElement(String name, String namespace)
throws XMLException
{
//-- Do delagation if necessary
if ((unmarshaller != null) && (depth > 0)) {
unmarshaller.endElement(name, namespace);
--depth;
return;
}
if (unmarshaller == null)
throw new SchemaException("missing start element: " + name);
else if (SchemaNames.ANNOTATION.equals(name)) {
Annotation annotation = (Annotation)unmarshaller.getObject();
_facet.addAnnotation(annotation);
}
} //-- endElement
public void characters(char[] ch, int start, int length)
throws XMLException
{
//-- Do delagation if necessary
if (unmarshaller != null) {
unmarshaller.characters(ch, start, length);
}
} //-- characters
protected static boolean isFacet(String name) {
if (Facet.ENUMERATION.equals(name)) return true;
if (Facet.LENGTH.equals(name)) return true;
if (Facet.PATTERN.equals(name)) return true;
if (Facet.MAX_EXCLUSIVE.equals(name)) return true;
if (Facet.MIN_EXCLUSIVE.equals(name)) return true;
if (Facet.MAX_INCLUSIVE.equals(name)) return true;
if (Facet.MIN_INCLUSIVE.equals(name)) return true;
if (Facet.MAX_LENGTH.equals(name)) return true;
if (Facet.MIN_LENGTH.equals(name)) return true;
if (Facet.WHITESPACE.equals(name)) return true;
if (Facet.TOTALDIGITS.equals(name)) return true;
if (Facet.FRACTIONDIGITS.equals(name))return true;
return false;
} //-- isFacet
} //-- FacetUnmarshaller