1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.xerces.internal.jaxp.validation; 23 24 import com.sun.org.apache.xerces.internal.xni.grammars.Grammar; 25 import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarDescription; 26 import com.sun.org.apache.xerces.internal.xni.grammars.XMLGrammarPool; 27 28 /** 29 * <p>Filter {@link XMLGrammarPool} that exposes a 30 * read-only view of the underlying pool.</p> 31 * 32 * @author Kohsuke Kawaguchi 33 */ 34 final class ReadOnlyGrammarPool implements XMLGrammarPool { 35 36 private final XMLGrammarPool core; 37 38 public ReadOnlyGrammarPool( XMLGrammarPool pool ) { 39 this.core = pool; 40 } 41 42 public void cacheGrammars(String grammarType, Grammar[] grammars) { 43 // noop. don't let caching to happen 44 } 45 46 public void clear() { 47 // noop. cache is read-only. 48 } 49 50 public void lockPool() { 51 // noop. this pool is always read-only 52 } 53 54 public Grammar retrieveGrammar(XMLGrammarDescription desc) { 55 return core.retrieveGrammar(desc); 56 } 57 58 public Grammar[] retrieveInitialGrammarSet(String grammarType) { 59 return core.retrieveInitialGrammarSet(grammarType); 60 } 61 62 public void unlockPool() { 63 // noop. this pool is always read-only. 64 } 65 66 } // ReadOnlyGrammarPool