jdk/src/share/classes/com/sun/jmx/event/EventParams.java
changeset 4156 acaa49a2768a
parent 4155 460e37d40f12
child 4159 9e3aae7675f1
equal deleted inserted replaced
4155:460e37d40f12 4156:acaa49a2768a
     1 /*
       
     2  * Copyright 2007-2008 Sun Microsystems, Inc.  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.  Sun designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    22  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    23  * have any questions.
       
    24  */
       
    25 
       
    26 package com.sun.jmx.event;
       
    27 
       
    28 import com.sun.jmx.mbeanserver.GetPropertyAction;
       
    29 import com.sun.jmx.remote.util.ClassLogger;
       
    30 import java.security.AccessController;
       
    31 import javax.management.event.EventClient;
       
    32 
       
    33 /**
       
    34  *
       
    35  * @author sjiang
       
    36  */
       
    37 public class EventParams {
       
    38     public static final String DEFAULT_LEASE_TIMEOUT =
       
    39             "com.sun.event.lease.time";
       
    40 
       
    41 
       
    42     @SuppressWarnings("cast") // cast for jdk 1.5
       
    43     public static long getLeaseTimeout() {
       
    44         long timeout = EventClient.DEFAULT_REQUESTED_LEASE_TIME;
       
    45         try {
       
    46             final GetPropertyAction act =
       
    47                   new GetPropertyAction(DEFAULT_LEASE_TIMEOUT);
       
    48             final String s = (String)AccessController.doPrivileged(act);
       
    49             if (s != null) {
       
    50                 timeout = Long.parseLong(s);
       
    51             }
       
    52         } catch (RuntimeException e) {
       
    53             logger.fine("getLeaseTimeout", "exception getting property", e);
       
    54         }
       
    55 
       
    56         return timeout;
       
    57     }
       
    58 
       
    59     /** Creates a new instance of EventParams */
       
    60     private EventParams() {
       
    61     }
       
    62 
       
    63     private static final ClassLogger logger =
       
    64             new ClassLogger("javax.management.event", "EventParams");
       
    65 }