1 /*
   2  * Copyright (c) 2017, 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 
  26 package com.sun.xml.internal.ws.util;
  27 
  28 import java.security.AccessController;
  29 import java.security.PrivilegedAction;
  30 
  31 /**
  32  * Utility class used as a JEP 238 multi release jar versioned class.
  33  *
  34  * Version for {@code runtime >= 9}.
  35  */
  36 public class MrJarUtil {
  37 
  38     /**
  39      * Get property used for disabling instance pooling of xml readers / writers.
  40      *
  41      * @param baseName Name of a {@linkplain com.sun.xml.internal.ws.api.streaming.XMLStreamReaderFactory} class or
  42      *                 {@linkplain com.sun.xml.internal.ws.api.streaming.XMLStreamWriterFactory} class.
  43      *
  44      * @return true if *.noPool system property is not set or is set to true.
  45      */
  46     public static boolean getNoPoolProperty(String baseName) {
  47         return AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
  48             @Override
  49             public Boolean run() {
  50                 String noPool = System.getProperty(baseName + ".noPool");
  51                 return noPool == null || Boolean.parseBoolean(noPool);
  52             }
  53         });
  54     }
  55 }