src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/ParserPool.java

Thu, 31 Aug 2017 15:18:52 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:18:52 +0800
changeset 637
9c07ef4934dd
parent 368
0989ad8c0860
parent 0
373ffda63c9a
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.xml.internal.messaging.saaj.util;
aoqi@0 27
aoqi@0 28
aoqi@0 29 import org.xml.sax.SAXException;
aoqi@0 30 import java.util.concurrent.ArrayBlockingQueue;
aoqi@0 31 import java.util.concurrent.BlockingQueue;
aoqi@0 32 import javax.xml.parsers.ParserConfigurationException;
aoqi@0 33 import javax.xml.parsers.SAXParser;
aoqi@0 34 import javax.xml.parsers.SAXParserFactory;
aoqi@0 35 import org.xml.sax.SAXNotRecognizedException;
aoqi@0 36 import org.xml.sax.SAXNotSupportedException;
aoqi@0 37
aoqi@0 38
aoqi@0 39 /**
aoqi@0 40 * Pool of SAXParser objects
aoqi@0 41 */
aoqi@0 42 public class ParserPool {
aoqi@0 43 private final BlockingQueue queue;
aoqi@0 44 private SAXParserFactory factory;
aoqi@0 45 private int capacity;
aoqi@0 46
aoqi@0 47 public ParserPool(int capacity) {
aoqi@0 48 this.capacity = capacity;
aoqi@0 49 queue = new ArrayBlockingQueue(capacity);
aoqi@0 50 //factory = SAXParserFactory.newInstance();
aoqi@0 51 factory = new com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl();
aoqi@0 52 factory.setNamespaceAware(true);
aoqi@0 53 for (int i=0; i < capacity; i++) {
aoqi@0 54 try {
aoqi@0 55 queue.put(factory.newSAXParser());
aoqi@0 56 } catch (InterruptedException ex) {
aoqi@0 57 Thread.currentThread().interrupt();
aoqi@0 58 throw new RuntimeException(ex);
aoqi@0 59 } catch (ParserConfigurationException ex) {
aoqi@0 60 throw new RuntimeException(ex);
aoqi@0 61 } catch (SAXException ex) {
aoqi@0 62 throw new RuntimeException(ex);
aoqi@0 63 }
aoqi@0 64 }
aoqi@0 65 }
aoqi@0 66
aoqi@0 67 public SAXParser get() throws ParserConfigurationException,
aoqi@0 68 SAXException {
aoqi@0 69
aoqi@0 70 try {
aoqi@0 71 return (SAXParser) queue.take();
aoqi@0 72 } catch (InterruptedException ex) {
aoqi@0 73 throw new SAXException(ex);
aoqi@0 74 }
aoqi@0 75
aoqi@0 76 }
aoqi@0 77
aoqi@0 78 public void put(SAXParser parser) {
aoqi@0 79 queue.offer(parser);
aoqi@0 80 }
aoqi@0 81
aoqi@0 82 public void returnParser(SAXParser saxParser) {
aoqi@0 83 saxParser.reset();
aoqi@0 84 resetSaxParser(saxParser);
aoqi@0 85 put(saxParser);
aoqi@0 86 }
aoqi@0 87
aoqi@0 88
aoqi@0 89 /**
aoqi@0 90 * SAAJ Issue 46 :https://saaj.dev.java.net/issues/show_bug.cgi?id=46
aoqi@0 91 * Xerces does not provide a way to reset the SymbolTable
aoqi@0 92 * So we are trying to reset it using the proprietary code below.
aoqi@0 93 * Temporary Until the bug : https://jaxp.dev.java.net/issues/show_bug.cgi?id=59
aoqi@0 94 * is fixed.
aoqi@0 95 * @param parser the parser from the pool whose Symbol Table needs to be reset.
aoqi@0 96 */
aoqi@0 97 private void resetSaxParser(SAXParser parser) {
aoqi@0 98 try {
aoqi@0 99 //Object obj = parser.getProperty("http://apache.org/xml/properties/internal/symbol-table");
aoqi@0 100 com.sun.org.apache.xerces.internal.util.SymbolTable table = new com.sun.org.apache.xerces.internal.util.SymbolTable();
aoqi@0 101 parser.setProperty("http://apache.org/xml/properties/internal/symbol-table", table);
aoqi@0 102 //obj = parser.getProperty("http://apache.org/xml/properties/internal/symbol-table");
aoqi@0 103 } catch (SAXNotRecognizedException ex) {
aoqi@0 104 //nothing to do
aoqi@0 105 } catch (SAXNotSupportedException ex) {
aoqi@0 106 //nothing to do
aoqi@0 107 }
aoqi@0 108 }
aoqi@0 109
aoqi@0 110 }

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