/*
* @(#)$Id: RestrictionState.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 org.relaxng.datatype.DatatypeException;
import com.sun.msv.datatype.xsd.StringType;
import com.sun.msv.reader.GrammarReader;
import com.sun.msv.reader.IgnoreState;
import com.sun.msv.reader.State;
import com.sun.msv.util.StartTagInfo;
/**
* state that parses <restriction> element.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class RestrictionState extends TypeWithOneChildState implements FacetStateParent {
protected final String newTypeUri;
protected final String newTypeName;
protected RestrictionState( String newTypeUri, String newTypeName ) {
this.newTypeUri = newTypeUri;
this.newTypeName = newTypeName;
}
protected XSTypeIncubator incubator;
public final XSTypeIncubator getIncubator() {
return incubator;
}
protected XSDatatypeExp annealType( XSDatatypeExp baseType ) throws DatatypeException {
return incubator.derive(newTypeUri,newTypeName);
}
public void onEndChild( XSDatatypeExp child ) {
super.onEndChild(child);
createTypeIncubator();
}
private void createTypeIncubator() {
incubator = type.createIncubator();
}
protected void startSelf() {
super.startSelf();
// if the base attribute is used, try to load it.
String base = startTag.getAttribute("base");
if(base!=null)
onEndChild( ((XSDatatypeResolver)reader).resolveXSDatatype(base) );
}
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();
if( FacetState.facetNames.contains(tag.localName) ) {
if( incubator==null ) {
reader.reportError( GrammarReader.ERR_MISSING_ATTRIBUTE, "restriction", "base" );
onEndChild(new XSDatatypeExp(StringType.theInstance,reader.pool));
}
return new FacetState();
}
return null; // unrecognized
}
}