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JAXB (JSR 222) reference implementation - JAXB1 build

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/*
 * @(#)$Id: SchemaState.java,v 1.8 2003/06/09 20:37:35 kk122374 Exp $
 *
 * 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.xmlschema;

import com.sun.msv.grammar.xmlschema.XMLSchemaSchema;

/**
 * used to parse <schema> element.
 * 
 * @author Kohsuke KAWAGUCHI
 */
public class SchemaState extends SchemaIncludedState {

    protected SchemaState( String expectedTargetNamespace ) {
        super(expectedTargetNamespace);
    }
    
    private XMLSchemaSchema old;
    
    protected void onTargetNamespaceResolved( String targetNs ) {
        super.onTargetNamespaceResolved(targetNs);
        
        final XMLSchemaReader reader = (XMLSchemaReader)this.reader;
        
        // sets new XMLSchemaGrammar object.
        old = reader.currentSchema;
        reader.currentSchema = reader.getOrCreateSchema(targetNs);
        
        if( reader.isSchemaDefined(reader.currentSchema) )  {
            reader.reportError( XMLSchemaReader.ERR_DUPLICATE_SCHEMA_DEFINITION, targetNs );
            // recover by providing dummy grammar object.
            // this object is not registered to the map,
            // so it cannot be referenced.
            reader.currentSchema = new XMLSchemaSchema(targetNs,reader.grammar);
        }
        
        reader.markSchemaAsDefined(reader.currentSchema);
    }
    
    protected void endSelf() {
        final XMLSchemaReader reader = (XMLSchemaReader)this.reader;
        reader.currentSchema = old;
        super.endSelf();
    }
}