src/jdk.jdi/share/classes/com/sun/tools/jdi/VirtualMachineManagerImpl.java

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   1 /*
   2  * Copyright (c) 1998, 2008, 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


  31 import java.lang.reflect.Constructor;
  32 import java.lang.reflect.InvocationTargetException;
  33 import java.util.List;
  34 import java.util.ArrayList;
  35 import java.util.Collections;
  36 import java.util.Iterator;
  37 import java.util.ResourceBundle;
  38 import java.io.IOException;
  39 
  40 import java.util.ServiceLoader;
  41 
  42 /* Public for use by com.sun.jdi.Bootstrap */
  43 public class VirtualMachineManagerImpl implements VirtualMachineManagerService {
  44     private List<Connector> connectors = new ArrayList<Connector>();
  45     private LaunchingConnector defaultConnector = null;
  46     private List<VirtualMachine> targets = new ArrayList<VirtualMachine>();
  47     private final ThreadGroup mainGroupForJDI;
  48     private ResourceBundle messages = null;
  49     private int vmSequenceNumber = 0;
  50     private static final int majorVersion = 1;
  51     private static final int minorVersion = 8;
  52 
  53     private static final Object lock = new Object();
  54     private static VirtualMachineManagerImpl vmm;
  55 
  56     public static VirtualMachineManager virtualMachineManager() {
  57         SecurityManager sm = System.getSecurityManager();
  58         if (sm != null) {
  59             JDIPermission vmmPermission =
  60                 new JDIPermission("virtualMachineManager");
  61             sm.checkPermission(vmmPermission);
  62         }
  63         synchronized (lock) {
  64             if (vmm == null) {
  65                 vmm = new VirtualMachineManagerImpl();
  66             }
  67         }
  68         return vmm;
  69     }
  70 
  71     protected VirtualMachineManagerImpl() {


   1 /*
   2  * Copyright (c) 1998, 2015, 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


  31 import java.lang.reflect.Constructor;
  32 import java.lang.reflect.InvocationTargetException;
  33 import java.util.List;
  34 import java.util.ArrayList;
  35 import java.util.Collections;
  36 import java.util.Iterator;
  37 import java.util.ResourceBundle;
  38 import java.io.IOException;
  39 
  40 import java.util.ServiceLoader;
  41 
  42 /* Public for use by com.sun.jdi.Bootstrap */
  43 public class VirtualMachineManagerImpl implements VirtualMachineManagerService {
  44     private List<Connector> connectors = new ArrayList<Connector>();
  45     private LaunchingConnector defaultConnector = null;
  46     private List<VirtualMachine> targets = new ArrayList<VirtualMachine>();
  47     private final ThreadGroup mainGroupForJDI;
  48     private ResourceBundle messages = null;
  49     private int vmSequenceNumber = 0;
  50     private static final int majorVersion = 1;
  51     private static final int minorVersion = 9;
  52 
  53     private static final Object lock = new Object();
  54     private static VirtualMachineManagerImpl vmm;
  55 
  56     public static VirtualMachineManager virtualMachineManager() {
  57         SecurityManager sm = System.getSecurityManager();
  58         if (sm != null) {
  59             JDIPermission vmmPermission =
  60                 new JDIPermission("virtualMachineManager");
  61             sm.checkPermission(vmmPermission);
  62         }
  63         synchronized (lock) {
  64             if (vmm == null) {
  65                 vmm = new VirtualMachineManagerImpl();
  66             }
  67         }
  68         return vmm;
  69     }
  70 
  71     protected VirtualMachineManagerImpl() {