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/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 2005 The Apache Software Foundation.
*
* Licensed 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.sun.org.apache.xerces.internal.jaxp.validation;
import com.sun.org.apache.xerces.internal.xni.grammars.Grammar;
import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarDescription;
import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarPool;
/**
* <p>Filter {@link XMLGrammarPool} that exposes a
* read-only view of the underlying pool.</p>
*
* @author Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
*/
final class ReadOnlyGrammarPool implements XMLGrammarPool {
private final XMLGrammarPool core;
public ReadOnlyGrammarPool( XMLGrammarPool pool ) {
this.core = pool;
}
public void cacheGrammars(String grammarType, Grammar[] grammars) {
// noop. don't let caching to happen
}
public void clear() {
// noop. cache is read-only.
}
public void lockPool() {
// noop. this pool is always read-only
}
public Grammar retrieveGrammar(XMLGrammarDescription desc) {
return core.retrieveGrammar(desc);
}
public Grammar[] retrieveInitialGrammarSet(String grammarType) {
return core.retrieveInitialGrammarSet(grammarType);
}
public void unlockPool() {
// noop. this pool is always read-only.
}
} // ReadOnlyGrammarPool
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