/**
* 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: SimpleTypeListUnmarshaller.java,v 1.1.1.1 2003/03/03 07:09:42 kvisco Exp $
*/
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.*;
import org.exolab.castor.xml.schema.simpletypes.ListType;
/**
* A class for unmarshalling list elements of a simpleType.
* Thanks to <a href="mailto:cdchudasama@yahoo.com">Chetan Chudasama</a>
* for his help.
* @author <a href="mailto:blandin@intalio.com">Arnaud Blandin</a>
* @author <a href="mailto:kvsico@intalio.com">Keith Visco</a>
* @version $Revision: 1.1.1.1 $
**/
public class SimpleTypeListUnmarshaller extends ComponentReader {
//--------------------/
//- Member Variables -/
//--------------------/
/**
* The current ComponentReader
**/
private ComponentReader unmarshaller;
/**
* The current branch depth
**/
private int depth = 0;
/**
* The simpleType we are unmarshalling
**/
private ListType _list = null;
private Schema _schema = null;
private boolean foundAnnotation = false;
private boolean foundSimpleType = false;
private boolean foundItemType = false;
//----------------/
//- Constructors -/
//----------------/
/**
* Creates a new ListUnmarshaller
* @param simpleType, the SimpleType being unmarshalled
* @param atts the AttributeList
* @param resolver the resolver being used for reference resolving
**/
SimpleTypeListUnmarshaller(Schema schema, AttributeSet atts)
throws XMLException
{
super();
_schema = schema;
_list = new ListType(schema);
//-- itemType
String itemTypeName = atts.getValue(SchemaNames.ITEM_TYPE_ATTR);
if ((itemTypeName != null) && (itemTypeName.length() > 0)) {
foundItemType = true;
XMLType itemType= _schema.getType(itemTypeName);
if (itemType == null) {
_list.setItemType(itemTypeName);
}
else if (itemType.getStructureType() == Structure.COMPLEX_TYPE) {
String err = "The item type of a list cannot "+
"be a complexType.";
throw new IllegalStateException(err);
}
else _list.setItemType((SimpleType)itemType);
}
//-- @id
_list.setId(atts.getValue(SchemaNames.ID_ATTR));
} //-- SimpleTypeListUnmarshaller
//-----------/
//- 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.LIST;
} //-- elementName
/**
* Called to signal an end of unmarshalling. This method should
* be overridden to perform any necessary clean up by an unmarshaller
**/
public void finish()
throws XMLException
{
if ((!foundItemType) && (!foundSimpleType)) {
String err = "Missing sub-component of <list>, either use "+
" the 'itemType' attribute, or an anonymous simpleType.";
error(err);
}
} //-- finish
/**
* Returns the Object created by this ComponentReader
* @return the Object created by this ComponentReader
**/
public Object getObject() {
if ((!foundItemType) && (!foundSimpleType)) {
String err = "Missing sub-component of <list>, either use "+
" the 'itemType' attribute, or an anonymous simpleType.";
throw new IllegalStateException(err);
}
return _list;
} //-- 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;
}
//-- annotation
if (name.equals(SchemaNames.ANNOTATION)) {
if (foundSimpleType)
error("An annotation must appear as the first child " +
"of 'list' elements.");
if (foundAnnotation)
error("Only one (1) annotation may appear as a child of "+
"'list' elements.");
foundAnnotation = true;
unmarshaller = new AnnotationUnmarshaller(atts);
}
else if (SchemaNames.SIMPLE_TYPE.equals(name)) {
if (foundItemType)
error("A 'list' element can have either an 'itemType' or " +
" 'simpleType'.");
if (foundSimpleType)
error("Only one (1) 'simpleType' may appear as a child of "+
"'list' elements.");
foundSimpleType = true;
unmarshaller = new SimpleTypeUnmarshaller(_schema, atts);
}
else illegalElement(name);
unmarshaller.setDocumentLocator(getDocumentLocator());
} //-- 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();
//-- annotation
if (SchemaNames.ANNOTATION.equals(name)) {
Annotation ann = ((AnnotationUnmarshaller)unmarshaller).getAnnotation();
_list.setLocalAnnotation(ann);
}
else if (SchemaNames.SIMPLE_TYPE.equals(name)) {
SimpleType type = (SimpleType) unmarshaller.getObject();
_list.setItemType(type);
}
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
} //-- SimpleTypeListUnmarshaller