/**
* 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,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 1999-2001 (C) Intalio Inc. All Rights Reserved.
*
* $Id$
*/
package org.exolab.castor.xml.schema;
/**
* Package private class to handles simple-type references.
*
* @author <a href="mailto:berry@intalio.com">Arnaud Berry</a>
* @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
* @version $Revision$ $Date: 2005-12-13 14:58:48 -0700 (Tue, 13 Dec 2005) $
**/
class SimpleTypeReference extends SimpleType {
/** SerialVersionUID */
private static final long serialVersionUID = 1020507618887404978L;
/**
* The referred type (stored in the schema)
*/
private SimpleType referredType= null;
/**
* Creates a new SimpleTypeReference.
*
* @param name the name of the simple type being referenced,
* must not be null.
* @param schema the parent Schema of the simple type being referenced,
* must not be null.
**/
SimpleTypeReference(Schema schema, String name) {
if (schema == null) {
String err = "The schema argument to the constructor of " +
"SimpleTypeReference is not allowed to be null.";
throw new IllegalArgumentException(err);
}
if (name == null) {
String err = "The name argument to the constructor of " +
"SimpleTypeReference is not allowed to be null.";
throw new IllegalArgumentException(err);
}
super.setName(name);
super.setSchema(schema);
} //-- SimpleTypeReference
/**
* Returns the referred type
*/
XMLType getType()
{
if (referredType == null)
resolveTypeReference();
return referredType;
}
/**
* Resolves the type reference.
*/
void resolveTypeReference()
{
referredType= getSchema().getSimpleType(getName());
}
/**
* Returns Structure.UNKNOWN
* (This class should not be seen outside AttributeDecl (and ElementDecl ?) anyway)
**/
public short getStructureType() {
return Structure.UNKNOWN;
} //-- getStructureType
/**
* Sets the Schema for this Union. This method overloads the
* SimpleType#setSchema method to prevent the Schema from being
* changed.
*
* @param name the schema that this Union belongs to.
**/
public void setName(String name) {
if (name != getName()) {
String err = "The name of a SimpleTypeReference cannot be changed.";
throw new IllegalStateException(err);
}
} //-- void setName
/**
* Sets the Schema for this SimpleTypeReference. This method overloads the
* SimpleType#setSchema method to prevent the Schema from being
* changed.
*
* @param schema the schema that this SimpleType that is being referenced
* belongs to.
**/
public void setSchema(Schema schema) {
if (schema != getSchema()) {
String err = "The Schema of a SimpleTypeReference cannot be changed.";
throw new IllegalStateException(err);
}
} //-- void setSchema
}