How to use provider method of com.sun.tools.attach.VirtualMachineDescriptor class

Best Powermock code snippet using com.sun.tools.attach.VirtualMachineDescriptor.provider

Source:VirtualMachineDescriptor.java

...47 * <p> <code>VirtualMachineDescriptor</code> instances are typically created by48 * invoking the {@link VirtualMachine#list VirtualMachine.list()}49 * method. This returns the complete list of descriptors to describe the50 * Java virtual machines known to all installed {@link51 * com.sun.tools.attach.spi.AttachProvider attach providers}.52 *53 * @since 1.654 */55public final class VirtualMachineDescriptor56{57   private AttachProvider provider;58   private String id;59   private String displayName;60   private volatile int hash;        // 0 => not computed61   /**62    * Creates a virtual machine descriptor from the given components.63    *64    * @param provider    The AttachProvider to attach to the Java virtual machine.65    * @param id          The virtual machine identifier.66    * @param displayName The display name.67    * @throws NullPointerException If any of the arguments are <code>null</code>68    */69   public VirtualMachineDescriptor(AttachProvider provider, String id, String displayName)70   {71      if (provider == null) {72         throw new NullPointerException("provider cannot be null");73      }74      if (id == null) {75         throw new NullPointerException("identifier cannot be null");76      }77      if (displayName == null) {78         throw new NullPointerException("display name cannot be null");79      }80      this.provider = provider;81      this.id = id;82      this.displayName = displayName;83   }84   /**85    * Creates a virtual machine descriptor from the given components.86    * <p/>87    * <p> This convenience constructor works as if by invoking the88    * three-argument constructor as follows:89    * <p/>90    * <blockquote><tt>91    * new&nbsp;{@link #VirtualMachineDescriptor(com.sun.tools.attach.spi.AttachProvider, String, String)92    * VirtualMachineDescriptor}(provider, &nbsp;id, &nbsp;id);93    * </tt></blockquote>94    * <p/>95    * <p> That is, it creates a virtual machine descriptor such that96    * the <i>display name</i> is the same as the virtual machine97    * identifier.98    *99    * @param provider The AttachProvider to attach to the Java virtual machine.100    * @param id       The virtual machine identifier.101    * @throws NullPointerException If <tt>provider</tt> or <tt>id</tt> is <tt>null</tt>.102    */103   public VirtualMachineDescriptor(AttachProvider provider, String id)104   {105      this(provider, id, id);106   }107   /**108    * Return the <code>AttachProvider</code> that this descriptor references.109    *110    * @return The <code>AttachProvider</code> that this descriptor references.111    */112   public AttachProvider provider()113   {114      return provider;115   }116   /**117    * Return the identifier component of this descriptor.118    *119    * @return The identifier component of this descriptor.120    */121   public String id()122   {123      return id;124   }125   /**126    * Return the <i>display name</i> component of this descriptor.127    *128    * @return The display name component of this descriptor.129    */130   public String displayName()131   {132      return displayName;133   }134   /**135    * Returns a hash-code value for this VirtualMachineDescriptor. The hash136    * code is based upon the descriptor's components, and satisfies137    * the general contract of the Object.hashCode method.138    *139    * @return A hash-code value for this descriptor.140    */141   public int hashCode()142   {143      if (hash != 0) {144         return hash;145      }146      hash = provider.hashCode() * 127 + id.hashCode();147      return hash;148   }149   /**150    * Tests this VirtualMachineDescriptor for equality with another object.151    * <p/>152    * <p> If the given object is not a VirtualMachineDescriptor then this153    * method returns <tt>false</tt>. For two VirtualMachineDescriptors to154    * be considered equal requires that they both reference the same155    * provider, and their {@link #id() identifiers} are equal. </p>156    * <p/>157    * <p> This method satisfies the general contract of the {@link158    * Object#equals(Object) Object.equals} method. </p>159    *160    * @param ob The object to which this object is to be compared161    * @return <tt>true</tt> if, and only if, the given object is162    *         a VirtualMachineDescriptor that is equal to this163    *         VirtualMachineDescriptor.164    */165   public boolean equals(Object ob)166   {167      if (ob == this)168         return true;169      if (!(ob instanceof VirtualMachineDescriptor))170         return false;171      VirtualMachineDescriptor other = (VirtualMachineDescriptor) ob;172      if (other.provider() != this.provider()) {173         return false;174      }175      if (!other.id().equals(this.id())) {176         return false;177      }178      return true;179   }180   /**181    * Returns the string representation of the <code>VirtualMachineDescriptor</code>.182    */183   public String toString()184   {185      String s = provider.toString() + ": " + id;186      if (displayName != id) {187         s += " " + displayName;188      }189      return s;190   }191}...

Source:ListAttachProvider.java

...7import java.lang.management.ManagementFactory;8import java.util.List;9public class ListAttachProvider {10    public static void main(String[] args) throws IOException, AttachNotSupportedException {11        List<AttachProvider> attachProviderList = AttachProvider.providers();12        for(AttachProvider attachProvider : attachProviderList) {13            System.out.println(attachProvider);14            try {15                // this process should not access able16                attachProvider.attachVirtualMachine("100");17                VirtualMachine virtualMachine = attachProvider.attachVirtualMachine("17104");18                System.out.println(virtualMachine);19            } catch(IOException | AttachNotSupportedException e) {20                e.printStackTrace();21            }22            List<VirtualMachineDescriptor> virtualMachineDescriptorList = attachProvider.listVirtualMachines();23            for(VirtualMachineDescriptor virtualMachineDescriptor : virtualMachineDescriptorList) {24                System.out.println(virtualMachineDescriptor.toString());25            }...

provider

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.*;3import java.io.*;4public class 4 {5    public static void main(String[] args) throws Exception {6        List<VirtualMachineDescriptor> list = VirtualMachine.list();7        for (VirtualMachineDescriptor vmd : list) {8            System.out.println(vmd.displayName());9            System.out.println(vmd.id());10            System.out.println(vmd.provider());11            System.out.println(vmd.toString());12        }13    }14}

provider

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.List;3public class 4 {4    public static void main(String[] args) {5        List<VirtualMachineDescriptor> list = VirtualMachine.list();6        for (VirtualMachineDescriptor vmd : list) {7            System.out.println(vmd.displayName());8        }9    }10}11import com.sun.tools.attach.*;12import java.io.IOException;13public class 5 {14    public static void main(String[] args) throws IOException {15        VirtualMachine vm = VirtualMachine.attach("1836");16        vm.detach();17    }18}19import com.sun.tools.attach.*;20import java.io.IOException;21import java.util.Properties;22public class 6 {

provider

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.*;3import java.util.List;4public class AttachTest {5    public static void main(String[] args) throws Exception {6        List l = VirtualMachine.list();7        for (Iterator i = l.iterator(); i.hasNext(); ) {8            VirtualMachineDescriptor vmd = (VirtualMachineDescriptor) i.next();9            System.out.println("pid: " + vmd.id() + " display name: " + vmd.displayName());10        }11    }12}13import com.sun.tools.attach.*;14import java.util.*;15import java.util.List;16public class AttachTest {17    public static void main(String[] args) throws Exception {18        List l = VirtualMachine.list();19        for (Iterator i = l.iterator(); i.hasNext(); ) {20            VirtualMachineDescriptor vmd = (VirtualMachineDescriptor) i.next();21            System.out.println("pid: " + vmd.id() + " display name: " + vmd.displayName());22        }23    }24}25import com.sun.tools.attach.*;26import java.util.*;27import java.util.List;28public class AttachTest {29    public static void main(String[] args) throws Exception {30        List l = VirtualMachine.list();31        for (Iterator i = l.iterator(); i.hasNext(); ) {32            VirtualMachineDescriptor vmd = (VirtualMachineDescriptor) i.next();33            System.out.println("pid: " + vmd.id() + " display name: " + vmd.displayName());34        }35    }36}37import com.sun.tools.attach.*;38import java.util.*;39import java.util.List;40public class AttachTest {41    public static void main(String[] args) throws Exception {42        List l = VirtualMachine.list();43        for (Iterator i = l.iterator(); i.hasNext(); ) {44            VirtualMachineDescriptor vmd = (VirtualMachineDescriptor) i.next();45            System.out.println("pid: " + vmd.id() + " display name: " + vmd.displayName());46        }47    }48}49import com.sun.tools.attach.*;50import java.util.*;51import java.util.List

provider

Using AI Code Generation

1import java.util.List;2import com.sun.tools.attach.*;3{4	public static void main(String[] args)5	{6		List<VirtualMachineDescriptor> l = VirtualMachine.list();7		for(VirtualMachineDescriptor vmd: l)8		{9			System.out.println(vmd.id()+" "+vmd.displayName());10		}11	}12}

provider

Using AI Code Generation

1import com.sun.tools.attach.VirtualMachine;2import com.sun.tools.attach.VirtualMachineDescriptor;3import java.util.List;4public class 4 {5public static void main(String[] args) {6List<VirtualMachineDescriptor> vmdList = VirtualMachine.list();7for (VirtualMachineDescriptor vmd : vmdList) {8System.out.println("pid: " + vmd.id());9System.out.println("display name: " + vmd.displayName());10System.out.println("name: " + vmd.name());11System.out.println("provider: " + vmd.provider());12System.out.println("location: " + vmd.location());13System.out.println("

provider

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.*;3public class 4 {4public static void main(String[] args) {5List<VirtualMachineDescriptor> vmds = VirtualMachine.list();6for (VirtualMachineDescriptor vmd : vmds) {7System.out.println(vmd.displayName());8System.out.println(vmd.id());9}10VirtualMachine vm = null;11try {12vm = VirtualMachine.attach("1234");13vm.loadAgent("/home/attacher/agent.jar", "hello");14} catch (Exception e) {15e.printStackTrace();16}17}18}19import java.lang.instrument.Instrumentation;20public class agent {21public static void premain(String agentArgs, Instrumentation inst) {22System.out.println("Hello " + agentArgs);23}24}25package com.attacher;26import java.lang.instrument.Instrumentation;27public class agent {28public static void premain(String agentArgs, Instrumentation inst) {29System.out.println("Hello " + agentArgs);30}31}32package com.sun.tools.attach;33import java.util.*;34public class VirtualMachineDescriptor {35private String id;36private String displayName;37public VirtualMachineDescriptor(String id, String displayName) {38this.id = id;39this.displayName = displayName;40}41public String id() {42return id;43}44public String displayName() {45return displayName;46}47public String toString() {48return displayName;49}50public static List<VirtualMachineDescriptor> list() {51return VirtualMachine.list();52}53}54package com.sun.tools.attach;55import java.io.*;56import java.util.*;57public abstract class VirtualMachine {58public static List<VirtualMachineDescriptor> list() {59String[] ids = listVirtualMachines();60List<VirtualMachineDescriptor> vmds = new ArrayList<VirtualMachineDescriptor>();61for (String id : ids) {

provider

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.*;3import java.io.*;4{5	public static void main(String[] args)6	{7		{8			List<VirtualMachineDescriptor> vmds = VirtualMachine.list();9			for(VirtualMachineDescriptor vmd: vmds)10			{11				System.out.println(vmd.displayName());12			}13		}14		catch(Exception e)15		{16			e.printStackTrace();17		}18	}19}

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