org.apache.xerces.jaxp.validation.ReadOnlyGrammarPool Maven / Gradle / Ivy
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* 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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* See the License for the specific language governing permissions and
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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;
/**
* Filter {@link XMLGrammarPool} that exposes a
* read-only view of the underlying pool.
*
* @author Kohsuke Kawaguchi ([email protected])
* @version $Id: ReadOnlyGrammarPool.java 447235 2006-09-18 05:01:44Z mrglavas $
*/
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