Package ai.libs.jaicore.processes

Class ProcessUtil

  • public class ProcessUtil
extends java.lang.Object
    The process util provides convenient methods for securely killing processes of the operating system. For instance, this is useful whenever sub-processes are spawned and shall be killed reliably.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static EOperatingSystem getOS()
      Retrieves the type of operating system.
      static int getPID​(java.lang.Process process)
      Gets the operating system's process id of the given process.
      static java.lang.Process getProcessListProcess()
      Gets the OS process for the process list.
      static java.util.Collection<ProcessInfo> getRunningJavaProcesses()
      Gets a list of running java processes.
      static void killProcess​(int pid)
      Kills the process with the given process id.
      static void killProcess​(java.lang.Process process)
      Kills the provided process with a operating system's kill command.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • getOS

        public static EOperatingSystem getOS()
        Retrieves the type of operating system.
        Returns:
        Returns the name of the operating system.

      • getProcessListProcess

        public static java.lang.Process getProcessListProcess()
                                               throws java.io.IOException
        Gets the OS process for the process list.
        Returns:
        The process for the process list.
        Throws:
        java.io.IOException - Thrown if a problem occurred while trying to access the process list process.

      • getRunningJavaProcesses

        public static java.util.Collection<ProcessInfo> getRunningJavaProcesses()
                                                                 throws java.io.IOException
        Gets a list of running java processes.
        Returns:
        The list of running Java processes.
        Throws:
        java.io.IOException - Throwsn if there was an issue accessing the OS's process list.

      • getPID

        public static int getPID​(java.lang.Process process)
                  throws ProcessIDNotRetrievableException
        Gets the operating system's process id of the given process.
        Parameters:
        process - The process for which the process id shall be looked up.
        Returns:
        The process id of the given process.
        Throws:
        ProcessIDNotRetrievableException - Thrown if the process id cannot be retrieved.

      • killProcess

        public static void killProcess​(int pid)
                        throws java.io.IOException
        Kills the process with the given process id.
        Parameters:
        pid - The id of the process which is to be killed.
        Throws:
        java.io.IOException - Thrown if the system command could not be issued.

      • killProcess

        public static void killProcess​(java.lang.Process process)
                        throws java.io.IOException
        Kills the provided process with a operating system's kill command.
        Parameters:
        process - The process to be killed.
        Throws:
        java.io.IOException - Thrown if the system command could not be issued.