/**
* 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,
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2002 (C) Intalio, Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.schema.reader;
import java.util.Hashtable;
import org.exolab.castor.xml.schema.Schema;
/**
* A class used to save State information for the SchemaUnmarshaller
* Roughly speaking it keeps track of all the schemas read.
* This is used to prevent infinite loops when importing or including schema.
* @author <a href="mailto:blandin@intalio.com">Arnaud Blandin</a>
* @version $Revision$ $Date: 2004-09-21 08:09:24 -0600 (Tue, 21 Sep 2004) $
*/
class SchemaUnmarshallerState {
private Hashtable _processed = null;
/**
* A boolean that indicates whether or not to
* cache included XML Schemas
*/
boolean cacheIncludedSchemas = false;
/**
* Creates a new SchemaUnmarshallerState
*/
protected SchemaUnmarshallerState() {
_processed = new Hashtable();
} //-- SchemaUnmarshallerState
/**
* Marks the given schema as having been processed.
* @param schemaLocation the key identifying the physical location
* of the schema to mark.
* @param schema the Schema to mark as having
* been processed.
*/
void markAsProcessed(String schemaLocation, Schema schema) {
_processed.put(schemaLocation,schema);
} //-- markAsProcessed
/**
* Returns true if the given Schema has been marked as processed
* @param schema the Schema to check for being marked as processed
* @return true if the given Schema has been marked as processed
*/
boolean processed(Schema schema) {
return _processed.contains(schema);
} //-- processed
/**
* Returns true if the given schema location has been marked as processed
*
* @param schemaLocation location the schema location to check for being
* marked as processed
* @return true if the given schema location has been marked as processed
*/
boolean processed(String schemaLocation) {
return _processed.containsKey(schemaLocation);
} //-- processed
/**
* Returns the Configuration to use during reading of the schema, this
* is primarily for obtaining a parser instance.
*
* @return the Configuration.
*
* @see #setConfiguration
*/
// Configuration getConfiguration() {
// if (_config == null) {
// _config = LocalConfiguration.getInstance();
// }
// return _config;
// } //-- setConfiguraiton
/**
* Returns the schema corresponding to the given schemaLocation
*
* @param schemaLocation the schema location of the schema
* @return the schema corresponding to the given schemaLocation
*/
Schema getSchema(String schemaLocation) {
return (Schema)_processed.get(schemaLocation);
}
/**
* Sets the Configuration to use during reading of the schema, this
* is primarily for obtaining a parser instance.
*
* @param config the Configuration to set
*/
// void setConfiguration(Configuration config) {
// _config = config;
// } //-- setConfiguraiton
} //-- SchemaUnmarshallerState