/**
* 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
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* 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
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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.Schema;
import org.exolab.castor.xml.schema.SchemaContext;
import org.exolab.castor.xml.schema.SchemaNames;
import org.exolab.castor.xml.schema.SimpleType;
/**
* A class for Unmarshalling SimpleTypes
* @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
* @version $Revision$ $Date: 2006-04-14 04:14:43 -0600 (Fri, 14 Apr 2006) $
**/
public class SimpleTypeUnmarshaller extends ComponentReader {
//--------------------/
//- Member Variables -/
//--------------------/
/**
* The current ComponentReader
**/
private ComponentReader unmarshaller;
/**
* The current branch depth
**/
private int depth = 0;
/**
* The SimpleTypeDefinition we are unmarshalling
**/
private SimpleTypeDefinition _simpleTypeDef = null;
/**
* A reference to the SimpleType we are unmarshalling
**/
private SimpleType _simpleType = null;
private boolean foundAnnotation = false;
private boolean foundList = false;
private boolean foundRestriction = false;
private boolean foundUnion = false;
//----------------/
//- Constructors -/
//----------------/
/**
* Creates a new SimpleTypeUnmarshaller.
* @param schemaContext the {@link SchemaContext} to get some configuration settings from
* @param schema the Schema to which the SimpleType belongs
* @param atts the AttributeList
**/
public SimpleTypeUnmarshaller(
final SchemaContext schemaContext,
final Schema schema,
final AttributeSet atts)
throws XMLException
{
super(schemaContext);
String name = atts.getValue(SchemaNames.NAME_ATTR);
//-- strip off prefix if necessary
if (name != null) {
int idx = name.indexOf(':');
if (idx >= 0) {
String prefix = name.substring(0, idx);
String ns = schema.getNamespace(prefix);
if (ns == null) {
//-- should report an error here
}
else {
if (ns.equals(schema.getTargetNamespace())) {
name = name.substring(idx+1);
}
else {
//-- should report an error here
}
}
}
}
String id = atts.getValue(SchemaNames.ID_ATTR);
_simpleTypeDef = new SimpleTypeDefinition(schema, name, id);
//-- @final
_simpleTypeDef.setFinal(atts.getValue(SchemaNames.FINAL_ATTR));
} //-- SimpleTypeUnmarshaller
//-----------/
//- 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 SchemaNames.SIMPLE_TYPE;
} //-- elementName
/**
* Returns the SimpleType created
* @return the SimpleType created
**/
public SimpleType getSimpleType() {
if (_simpleType == null) {
_simpleType = _simpleTypeDef.createSimpleType();
}
return _simpleType;
} //-- getSimpletype
/**
* Returns the Object created by this ComponentReader
* @return the Object created by this ComponentReader
**/
public Object getObject() {
return getSimpleType();
} //-- getObject
public void finish() throws XMLException {
if (!(foundList || foundUnion || foundRestriction))
error ("Invalid 'simpleType'; missing 'restriction' "+
"| 'union' | 'list'.");
} //-- finish
/**
* 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)) {
if (foundAnnotation)
error("Only one (1) annotation may appear as a child of "+
"'simpleType'.");
if (foundList || foundUnion || foundRestriction)
error("An annotation may only appear as the first child "+
"of 'simpleType'.");
foundAnnotation = true;
unmarshaller = new AnnotationUnmarshaller(getSchemaContext(), atts);
}
else if (SchemaNames.RESTRICTION.equals(name)) {
if (foundList)
error("A 'simpleType' cannot have both a 'list' and a "+
"'restriction' in the same definition.");
if (foundUnion)
error("A 'simpleType' cannot have both a 'union' and a "+
"'restriction' in the same definition.");
foundRestriction = true;
unmarshaller
= new SimpleTypeRestrictionUnmarshaller(getSchemaContext(), _simpleTypeDef, atts);
}
else if (SchemaNames.LIST.equals(name)) {
foundList = true;
Schema schema = _simpleTypeDef.getSchema();
unmarshaller = new SimpleTypeListUnmarshaller(getSchemaContext(), schema, atts);
}
else if (SchemaNames.UNION.equals(name)) {
foundUnion = true;
Schema schema = _simpleTypeDef.getSchema();
unmarshaller = new UnionUnmarshaller(getSchemaContext(), schema, 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;
}
//-- have unmarshaller perform any necessary clean up
unmarshaller.finish();
if (SchemaNames.ANNOTATION.equals(name)) {
Annotation annotation = (Annotation)unmarshaller.getObject();
_simpleTypeDef.setAnnotation(annotation);
}
else if (SchemaNames.LIST.equals(name)) {
_simpleType = (SimpleType)unmarshaller.getObject();
_simpleTypeDef.copyInto(_simpleType);
}
else if (SchemaNames.UNION.equals(name)) {
_simpleType = (SimpleType)unmarshaller.getObject();
_simpleTypeDef.copyInto(_simpleType);
}
unmarshaller = null;
} //-- 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
} //-- SimpleTypeUnmarshaller