1/* 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.xml.internal.ws.encoding.fastinfoset; 27 28import com.sun.xml.internal.fastinfoset.stax.StAXDocumentParser; 29import com.sun.xml.internal.ws.api.streaming.XMLStreamReaderFactory; 30import java.io.InputStream; 31import java.io.Reader; 32import javax.xml.stream.XMLStreamReader; 33 34/** 35 * @author Alexey Stashok 36 */ 37public final class FastInfosetStreamReaderFactory extends XMLStreamReaderFactory { 38 private static final FastInfosetStreamReaderFactory factory = new FastInfosetStreamReaderFactory(); 39 40 private ThreadLocal<StAXDocumentParser> pool = new ThreadLocal<StAXDocumentParser>(); 41 42 public static FastInfosetStreamReaderFactory getInstance() { 43 return factory; 44 } 45 46 public XMLStreamReader doCreate(String systemId, InputStream in, boolean rejectDTDs) { 47 StAXDocumentParser parser = fetch(); 48 if (parser == null) { 49 return FastInfosetCodec.createNewStreamReaderRecyclable(in, false); 50 } 51 52 parser.setInputStream(in); 53 return parser; 54 } 55 56 public XMLStreamReader doCreate(String systemId, Reader reader, boolean rejectDTDs) { 57 throw new UnsupportedOperationException(); 58 } 59 60 private StAXDocumentParser fetch() { 61 StAXDocumentParser parser = pool.get(); 62 pool.set(null); 63 return parser; 64 } 65 66 public void doRecycle(XMLStreamReader r) { 67 if (r instanceof StAXDocumentParser) { 68 pool.set((StAXDocumentParser) r); 69 } 70 } 71} 72