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

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

Source:VirtualMachineDescriptor.java

...35 * implementation-dependent but is typically the process identifier (or pid)36 * environments where each Java virtual machine runs in its own operating system37 * process. </p>38 * <p/>39 * <p> A <code>VirtualMachineDescriptor</code> also has a {@link #displayName() displayName}.40 * The display name is typically a human readable string that a tool might41 * display to a user. For example, a tool that shows a list of Java42 * virtual machines running on a system might use the display name rather43 * than the identifier. A <code>VirtualMachineDescriptor</code> may be44 * created without a <i>display name</i>. In that case the identifier is45 * used as the <i>display name</i>.46 * <p/>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}...

displayName

Using AI Code Generation

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

displayName

Using AI Code Generation

1import java.util.List;2import com.sun.tools.attach.*;3public class ListJvms {4    public static void main(String[] args) throws Exception {5            VirtualMachine.list();6        for (VirtualMachineDescriptor vmd : vmds) {7            System.out.println(vmd.displayName());8        }9    }10}

displayName

Using AI Code Generation

1import com.sun.tools.attach.VirtualMachine;2import com.sun.tools.attach.VirtualMachineDescriptor;3public class JvmDisplayName {4    public static void main(String[] args) throws Exception {5        for (VirtualMachineDescriptor vmd : VirtualMachine.list()) {6            System.out.println(vmd.displayName());7        }8    }9}

displayName

Using AI Code Generation

1import com.sun.tools.attach.*;2List<VirtualMachineDescriptor> vms = VirtualMachine.list();3System.out.println("Running Java processes: " + vms.size());4for (VirtualMachineDescriptor vmd : vms) {5    System.out.println(vmd.displayName());6}7import com.sun.tools.attach.*;8List<VirtualMachineDescriptor> vms = VirtualMachine.list();9System.out.println("Running Java processes: " + vms.size());10for (VirtualMachineDescriptor vmd : vms) {11    System.out.println(vmd.id());12}13import com.sun.tools.attach.*;14List<VirtualMachineDescriptor> vms = VirtualMachine.list();15System.out.println("Running Java processes: " + vms.size());16for (VirtualMachineDescriptor vmd : vms) {17    System.out.println(vmd.provider());18}19import com.sun.tools.attach.*;20List<VirtualMachineDescriptor> vms = VirtualMachine.list();21System.out.println("Running Java processes: " + vms.size());22for (VirtualMachineDescriptor vmd : vms) {23    System.out.println(vmd.location());24}25import com.sun.tools.attach.*;26List<VirtualMachineDescriptor> vms = VirtualMachine.list();27System.out.println("Running Java processes: " + vms.size());28for (VirtualMachineDescriptor vmd : vms) {29    System.out.println(vmd.toString());30}

displayName

Using AI Code Generation

1import com.sun.tools.attach.VirtualMachineDescriptor2import java.util.concurrent.TimeUnit3import java.util.regex.Pattern4def pattern = Pattern.compile("java")5def javaProcesses = VirtualMachine.list().findAll {6    return pattern.matcher(it.displayName()).find()7}8javaProcesses.each {9    println it.displayName()10}11def processId = javaProcesses[0].id()12def processName = javaProcesses[0].displayName()13def pattern = Pattern.compile("java")14def javaProcesses = VirtualMachine.list().findAll {15    return pattern.matcher(it.displayName()).find()16}17javaProcesses.each {18    println it.displayName()19}20def processId = javaProcesses[0].id()21def processName = javaProcesses[0].displayName()22def pattern = Pattern.compile("java")23def javaProcesses = VirtualMachine.list().findAll {24    return pattern.matcher(it.displayName()).find()25}26javaProcesses.each {27    println it.displayName()28}29def processId = javaProcesses[0].id()30def processName = javaProcesses[0].displayName()31def pattern = Pattern.compile("java")32def javaProcesses = VirtualMachine.list().findAll {33    return pattern.matcher(it.displayName()).find()34}35javaProcesses.each {36    println it.displayName()37}

displayName

Using AI Code Generation

1import com.sun.tools.attach.*;2import java.util.List;3public class Test {4    public static void main(String[] args) throws Exception {5        List<VirtualMachineDescriptor> list = VirtualMachine.list();6        for (VirtualMachineDescriptor vmd : list) {7            System.out.println(vmd.displayName());8        }9    }10}11C:\Users\user\Desktop\test>java -cp .;tools.jar Test12The displayName() method returns the display name of the JVM. The display name consists of the command used to start the JVM, followed by the PID of the JVM, and the arguments passed to the JVM. For example:

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