RuntimeOsUtilities¶

public final class RuntimeOsUtilities¶

Utility class to retrieve OS and process information from a java.lang.management.RuntimeMXBean instance. The dependency to this class is explicitly hidden via reflection to support Android devices, where the management package does not exist.

Author: jwienke

Constructors¶

RuntimeOsUtilities¶

public RuntimeOsUtilities()¶: Creates a new instance.

Methods¶

determineArguments¶

public List<String> determineArguments()¶

Returns the input arguments passed to the Java virtual machine which does not include the arguments to the main method. This method returns an empty list if there is no input argument to the Java virtual machine.

Returns: list of arguments, null if no determinable on current system

determineHostName¶

public String determineHostName()¶

Returns the host name of the computer the JVM designated by the java.lang.management.RuntimeMXBean lives on.

Throws: IllegalArgumentException – in case the host name could not be parsed from the runtime environment
Returns: host name, null if no determinable on current system

determinePid¶

public Integer determinePid()¶

Returns the PID of the java process.

Returns: pid of the process, null if no determinable on current system

determineStartTime¶

public Long determineStartTime()¶

Returns the start time of the process in milliseconds.

Returns: start time in milliseconds unix epoch, null if no determinable on current system