1 /*
   2  * Copyright (c) 1998, 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

  35 
  36 import com.sun.jdi.JDIPermission;
  37 import com.sun.jdi.VMDisconnectedException;
  38 import com.sun.jdi.VirtualMachine;
  39 import com.sun.jdi.VirtualMachineManager;
  40 import com.sun.jdi.connect.AttachingConnector;
  41 import com.sun.jdi.connect.Connector;
  42 import com.sun.jdi.connect.LaunchingConnector;
  43 import com.sun.jdi.connect.ListeningConnector;
  44 import com.sun.jdi.connect.spi.Connection;
  45 import com.sun.jdi.connect.spi.TransportService;
  46 
  47 /* Public for use by com.sun.jdi.Bootstrap */
  48 public class VirtualMachineManagerImpl implements VirtualMachineManagerService {
  49     private List<Connector> connectors = new ArrayList<>();
  50     private LaunchingConnector defaultConnector = null;
  51     private List<VirtualMachine> targets = new ArrayList<>();
  52     private final ThreadGroup mainGroupForJDI;
  53     private ResourceBundle messages = null;
  54     private int vmSequenceNumber = 0;
  55     private static final int majorVersion = 9;
  56     private static final int minorVersion = 0;
  57 
  58     private static final Object lock = new Object();
  59     private static VirtualMachineManagerImpl vmm;
  60 
  61     public static VirtualMachineManager virtualMachineManager() {
  62         SecurityManager sm = System.getSecurityManager();
  63         if (sm != null) {
  64             JDIPermission vmmPermission =
  65                 new JDIPermission("virtualMachineManager");
  66             sm.checkPermission(vmmPermission);
  67         }
  68         synchronized (lock) {
  69             if (vmm == null) {
  70                 vmm = new VirtualMachineManagerImpl();
  71             }
  72         }
  73         return vmm;
  74     }
  75 

   1 /*
   2  * Copyright (c) 1998, 2018, 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

  35 
  36 import com.sun.jdi.JDIPermission;
  37 import com.sun.jdi.VMDisconnectedException;
  38 import com.sun.jdi.VirtualMachine;
  39 import com.sun.jdi.VirtualMachineManager;
  40 import com.sun.jdi.connect.AttachingConnector;
  41 import com.sun.jdi.connect.Connector;
  42 import com.sun.jdi.connect.LaunchingConnector;
  43 import com.sun.jdi.connect.ListeningConnector;
  44 import com.sun.jdi.connect.spi.Connection;
  45 import com.sun.jdi.connect.spi.TransportService;
  46 
  47 /* Public for use by com.sun.jdi.Bootstrap */
  48 public class VirtualMachineManagerImpl implements VirtualMachineManagerService {
  49     private List<Connector> connectors = new ArrayList<>();
  50     private LaunchingConnector defaultConnector = null;
  51     private List<VirtualMachine> targets = new ArrayList<>();
  52     private final ThreadGroup mainGroupForJDI;
  53     private ResourceBundle messages = null;
  54     private int vmSequenceNumber = 0;
  55     private static final int majorVersion = 11;
  56     private static final int minorVersion = 0;
  57 
  58     private static final Object lock = new Object();
  59     private static VirtualMachineManagerImpl vmm;
  60 
  61     public static VirtualMachineManager virtualMachineManager() {
  62         SecurityManager sm = System.getSecurityManager();
  63         if (sm != null) {
  64             JDIPermission vmmPermission =
  65                 new JDIPermission("virtualMachineManager");
  66             sm.checkPermission(vmmPermission);
  67         }
  68         synchronized (lock) {
  69             if (vmm == null) {
  70                 vmm = new VirtualMachineManagerImpl();
  71             }
  72         }
  73         return vmm;
  74     }
  75