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

changeset 0
373ffda63c9a
child 637
9c07ef4934dd
     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 +}

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