/*
* @(#)$Id: UnionState.java 1566 2003-06-09 20:37:49Z kk122374 $
*
* Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the proprietary information of Sun Microsystems, Inc.
* Use is subject to license terms.
*
*/
package com.sun.msv.reader.datatype.xsd;
import java.util.ArrayList;
import java.util.StringTokenizer;
import org.relaxng.datatype.DatatypeException;
import com.sun.msv.reader.IgnoreState;
import com.sun.msv.reader.State;
import com.sun.msv.util.StartTagInfo;
/**
* State that parses <union> element and its children.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class UnionState extends TypeState implements XSTypeOwner {
protected final String newTypeUri;
protected final String newTypeName;
protected UnionState( String newTypeUri, String newTypeName ) {
this.newTypeUri = newTypeUri;
this.newTypeName = newTypeName;
}
private final ArrayList memberTypes = new ArrayList();
protected State createChildState( StartTagInfo tag ) {
// accepts elements from the same namespace only.
if( !startTag.namespaceURI.equals(tag.namespaceURI) ) return null;
if( tag.localName.equals("annotation") ) return new IgnoreState();
if( tag.localName.equals("simpleType") ) return new SimpleTypeState();
return null; // unrecognized
}
protected void startSelf() {
super.startSelf();
// if memberTypes attribute is used, load it.
String memberTypes = startTag.getAttribute("memberTypes");
if(memberTypes!=null) {
StringTokenizer tokens = new StringTokenizer(memberTypes);
while( tokens.hasMoreTokens() )
onEndChild( ((XSDatatypeResolver)reader)
.resolveXSDatatype(tokens.nextToken()) );
}
}
public void onEndChild( XSDatatypeExp type ) {
memberTypes.add(type);
}
protected final XSDatatypeExp makeType() throws DatatypeException {
return XSDatatypeExp.makeUnion( newTypeUri, newTypeName, memberTypes, reader );
}
}