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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.xerces.jaxp.validation;

import org.apache.xerces.xni.grammars.Grammar;
import org.apache.xerces.xni.grammars.XMLGrammarDescription;
import org.apache.xerces.xni.grammars.XMLGrammarPool;

/**
 * 

Implementation of Schema for W3C XML Schemas * which contains no schema components.

* * @author Michael Glavassevich, IBM * @version $Id: EmptyXMLSchema.java 447235 2006-09-18 05:01:44Z mrglavas $ */ final class EmptyXMLSchema extends AbstractXMLSchema implements XMLGrammarPool { /** Zero length grammar array. */ private static final Grammar [] ZERO_LENGTH_GRAMMAR_ARRAY = new Grammar [0]; public EmptyXMLSchema() {} /* * XMLGrammarPool methods */ public Grammar[] retrieveInitialGrammarSet(String grammarType) { return ZERO_LENGTH_GRAMMAR_ARRAY; } public void cacheGrammars(String grammarType, Grammar[] grammars) {} public Grammar retrieveGrammar(XMLGrammarDescription desc) { return null; } public void lockPool() {} public void unlockPool() {} public void clear() {} /* * XSGrammarPoolContainer methods */ public XMLGrammarPool getGrammarPool() { return this; } public boolean isFullyComposed() { return true; } } // EmptyXMLSchema




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