Class NetUtils
- java.lang.Object
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- org.apache.logging.log4j.core.util.NetUtils
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public final class NetUtils extends java.lang.Object
Networking-related convenience methods.
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Field Summary
Fields Modifier and Type Field Description private static Logger
LOGGER
private static java.lang.String
UNKNOWN_LOCALHOST
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Constructor Summary
Constructors Modifier Constructor Description private
NetUtils()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static java.lang.String
getLocalHostname()
This method gets the network name of the machine we are running on.static byte[]
getMacAddress()
Returns the local network interface's MAC address if possible.static java.lang.String
getMacAddressString()
Returns the mac address, if it is available, as a string with each byte separated by a ":" character.private static boolean
isUpAndNotLoopback(java.net.NetworkInterface ni)
static java.net.URI
toURI(java.lang.String path)
Converts a URI string or file path to a URI object.
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Field Detail
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LOGGER
private static final Logger LOGGER
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UNKNOWN_LOCALHOST
private static final java.lang.String UNKNOWN_LOCALHOST
- See Also:
- Constant Field Values
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Method Detail
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getLocalHostname
public static java.lang.String getLocalHostname()
This method gets the network name of the machine we are running on. Returns "UNKNOWN_LOCALHOST" in the unlikely case where the host name cannot be found.- Returns:
- String the name of the local host
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getMacAddress
public static byte[] getMacAddress()
Returns the local network interface's MAC address if possible. The local network interface is defined here as theNetworkInterface
that is both up and not a loopback interface.- Returns:
- the MAC address of the local network interface or
null
if no MAC address could be determined.
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getMacAddressString
public static java.lang.String getMacAddressString()
Returns the mac address, if it is available, as a string with each byte separated by a ":" character.- Returns:
- the mac address String or null.
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isUpAndNotLoopback
private static boolean isUpAndNotLoopback(java.net.NetworkInterface ni) throws java.net.SocketException
- Throws:
java.net.SocketException
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toURI
public static java.net.URI toURI(java.lang.String path)
Converts a URI string or file path to a URI object.- Parameters:
path
- the URI string or path- Returns:
- the URI object
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