1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/ParserPool.java Wed Apr 27 01:27:09 2016 +0800 1.3 @@ -0,0 +1,110 @@ 1.4 +/* 1.5 + * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +package com.sun.xml.internal.messaging.saaj.util; 1.30 + 1.31 + 1.32 +import org.xml.sax.SAXException; 1.33 +import java.util.concurrent.ArrayBlockingQueue; 1.34 +import java.util.concurrent.BlockingQueue; 1.35 +import javax.xml.parsers.ParserConfigurationException; 1.36 +import javax.xml.parsers.SAXParser; 1.37 +import javax.xml.parsers.SAXParserFactory; 1.38 +import org.xml.sax.SAXNotRecognizedException; 1.39 +import org.xml.sax.SAXNotSupportedException; 1.40 + 1.41 + 1.42 +/** 1.43 + * Pool of SAXParser objects 1.44 + */ 1.45 +public class ParserPool { 1.46 + private final BlockingQueue queue; 1.47 + private SAXParserFactory factory; 1.48 + private int capacity; 1.49 + 1.50 + public ParserPool(int capacity) { 1.51 + this.capacity = capacity; 1.52 + queue = new ArrayBlockingQueue(capacity); 1.53 + //factory = SAXParserFactory.newInstance(); 1.54 + factory = new com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl(); 1.55 + factory.setNamespaceAware(true); 1.56 + for (int i=0; i < capacity; i++) { 1.57 + try { 1.58 + queue.put(factory.newSAXParser()); 1.59 + } catch (InterruptedException ex) { 1.60 + Thread.currentThread().interrupt(); 1.61 + throw new RuntimeException(ex); 1.62 + } catch (ParserConfigurationException ex) { 1.63 + throw new RuntimeException(ex); 1.64 + } catch (SAXException ex) { 1.65 + throw new RuntimeException(ex); 1.66 + } 1.67 + } 1.68 + } 1.69 + 1.70 + public SAXParser get() throws ParserConfigurationException, 1.71 + SAXException { 1.72 + 1.73 + try { 1.74 + return (SAXParser) queue.take(); 1.75 + } catch (InterruptedException ex) { 1.76 + throw new SAXException(ex); 1.77 + } 1.78 + 1.79 + } 1.80 + 1.81 + public void put(SAXParser parser) { 1.82 + queue.offer(parser); 1.83 + } 1.84 + 1.85 + public void returnParser(SAXParser saxParser) { 1.86 + saxParser.reset(); 1.87 + resetSaxParser(saxParser); 1.88 + put(saxParser); 1.89 + } 1.90 + 1.91 + 1.92 + /** 1.93 + * SAAJ Issue 46 :https://saaj.dev.java.net/issues/show_bug.cgi?id=46 1.94 + * Xerces does not provide a way to reset the SymbolTable 1.95 + * So we are trying to reset it using the proprietary code below. 1.96 + * Temporary Until the bug : https://jaxp.dev.java.net/issues/show_bug.cgi?id=59 1.97 + * is fixed. 1.98 + * @param parser the parser from the pool whose Symbol Table needs to be reset. 1.99 + */ 1.100 + private void resetSaxParser(SAXParser parser) { 1.101 + try { 1.102 + //Object obj = parser.getProperty("http://apache.org/xml/properties/internal/symbol-table"); 1.103 + com.sun.org.apache.xerces.internal.util.SymbolTable table = new com.sun.org.apache.xerces.internal.util.SymbolTable(); 1.104 + parser.setProperty("http://apache.org/xml/properties/internal/symbol-table", table); 1.105 + //obj = parser.getProperty("http://apache.org/xml/properties/internal/symbol-table"); 1.106 + } catch (SAXNotRecognizedException ex) { 1.107 + //nothing to do 1.108 + } catch (SAXNotSupportedException ex) { 1.109 + //nothing to do 1.110 + } 1.111 + } 1.112 + 1.113 +}