/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999-2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 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 end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
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* 5. Products derived from this software may not be called "Apache",
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* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.impl.dtd;
import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarDescription;
import java.util.Hashtable;
/**
* This very simple class is the skeleton of what the DTDValidator could use
* to store various grammars that it gets from the GrammarPool. As in the
* case of XSGrammarBucket, one thinks of this object as being closely
* associated with its validator; when fully mature, this class will be
* filled from the GrammarPool when the DTDValidator is invoked on a
* document, and, if a new DTD grammar is parsed, the new set will be
* offered back to the GrammarPool for possible inclusion.
*
* @xerces.internal
*
* @author Neil Graham, IBM
*
*/
public class DTDGrammarBucket {
// REVISIT: make this class smarter and *way* more complete!
//
// Data
//
/** Grammars associated with element root name. */
protected Hashtable fGrammars;
// the unique grammar from fGrammars (or that we're
// building) that is used in validation.
protected DTDGrammar fActiveGrammar;
// is the "active" grammar standalone?
protected boolean fIsStandalone;
//
// Constructors
//
/** Default constructor. */
public DTDGrammarBucket() {
fGrammars = new Hashtable();
} // <init>()
//
// Public methods
//
/**
* Puts the specified grammar into the grammar pool and associate it to
* a root element name (this being internal, the lack of generality is irrelevant).
*
* @param grammar The grammar.
*/
public void putGrammar(DTDGrammar grammar) {
XMLDTDDescription desc = (XMLDTDDescription)grammar.getGrammarDescription();
fGrammars.put(desc, grammar);
} // putGrammar(DTDGrammar)
// retrieve a DTDGrammar given an XMLDTDDescription
public DTDGrammar getGrammar(XMLGrammarDescription desc) {
return (DTDGrammar)(fGrammars.get((XMLDTDDescription)desc));
} // putGrammar(DTDGrammar)
public void clear() {
fGrammars.clear();
fActiveGrammar = null;
fIsStandalone = false;
} // clear()
// is the active grammar standalone? This must live here because
// at the time the validator discovers this we don't yet know
// what the active grammar should be (no info about root)
void setStandalone(boolean standalone) {
fIsStandalone = standalone;
}
boolean getStandalone() {
return fIsStandalone;
}
// set the "active" grammar:
void setActiveGrammar (DTDGrammar grammar) {
fActiveGrammar = grammar;
}
DTDGrammar getActiveGrammar () {
return fActiveGrammar;
}
} // class DTDGrammarBucket