/*
* @(#)$Id: RELAXCoreIslandSchemaReader.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.relaxns.reader.relax;
import java.util.Map;
import java.util.Set;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import org.iso_relax.dispatcher.IslandSchema;
import org.iso_relax.dispatcher.IslandSchemaReader;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.LocatorImpl;
import com.sun.msv.grammar.Expression;
import com.sun.msv.grammar.ExpressionPool;
import com.sun.msv.grammar.relax.RELAXModule;
import com.sun.msv.reader.ExpressionState;
import com.sun.msv.reader.GrammarReaderController;
import com.sun.msv.reader.State;
import com.sun.msv.reader.relax.core.RELAXCoreReader;
import com.sun.msv.relaxns.grammar.ExternalAttributeExp;
import com.sun.msv.relaxns.grammar.ExternalElementExp;
import com.sun.msv.relaxns.grammar.relax.RELAXIslandSchema;
import com.sun.msv.util.StartTagInfo;
import com.sun.msv.util.StringPair;
/**
* reads RELAX-Namespace-extended RELAX Core.
*
* @author <a href="mailto:kohsuke.kawaguchi@eng.sun.com">Kohsuke KAWAGUCHI</a>
*/
public class RELAXCoreIslandSchemaReader extends RELAXCoreReader
implements IslandSchemaReader {
public RELAXCoreIslandSchemaReader(
GrammarReaderController controller,
SAXParserFactory parserFactory,
ExpressionPool pool,
String expectedTargetnamespace )
throws SAXException,ParserConfigurationException
{
super(controller,parserFactory,new StateFactory(),pool,expectedTargetnamespace);
}
private static class StateFactory extends RELAXCoreReader.StateFactory {
public State interface_(State parent,StartTagInfo tag) { return new InterfaceStateEx(); }
}
// to allow access within this package.
protected RELAXModule getModule() { return super.module; }
/** returns true if the given state can have "occurs" attribute. */
protected boolean canHaveOccurs( ExpressionState state )
{
return super.canHaveOccurs(state) || state instanceof AnyOtherElementState;
}
public final IslandSchema getSchema() {
RELAXModule m = getResult();
if(m==null) return null;
else return new RELAXIslandSchema( m, pendingAnyOtherElements );
}
public State createExpressionChildState( State parent,StartTagInfo tag )
{
if(! RELAXCoreNamespace.equals(tag.namespaceURI) ) return null;
if(tag.localName.equals("anyOtherElement")) return new AnyOtherElementState();
return super.createExpressionChildState(parent,tag);
}
/** map from StringPair(namespace,label) to ExternalElementExp. */
private final Map externalElementExps = new java.util.HashMap();
private ExternalElementExp getExtElementExp( String namespace, String label )
{
StringPair name = new StringPair(namespace,label);
ExternalElementExp exp = (ExternalElementExp)externalElementExps.get(name);
if( exp!=null ) return exp;
exp = new ExternalElementExp( pool, namespace, label, new LocatorImpl(locator) );
externalElementExps.put( name, exp );
return exp;
}
protected Expression resolveElementRef( String namespace, String label )
{
if( namespace!=null )
return getExtElementExp( namespace, label );
else
return super.resolveElementRef(namespace,label);
}
protected Expression resolveHedgeRef( String namespace, String label )
{
if( namespace!=null )
return getExtElementExp( namespace, label );
else
return super.resolveHedgeRef(namespace,label);
}
protected Expression resolveAttPoolRef( String namespace, String label )
{
if( namespace!=null )
return new ExternalAttributeExp(pool,namespace,label,new LocatorImpl(locator));
else
return super.resolveAttPoolRef(namespace,label);
}
/**
* set of AnyOtherElementExp object.
*
* each object will be invoked to do a wrap up by bind method of IslandSchema.
*/
protected final Set pendingAnyOtherElements = new java.util.HashSet();
}