org.apache.juli.logging.ch.qos.logback.core.util.NetworkAddressUtil Maven / Gradle / Ivy
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Tomcat85 Slf4j Logback Integration
package org.apache.juli.logging.ch.qos.logback.core.util;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Enumeration;
import org.apache.juli.logging.ch.qos.logback.core.Context;
import org.apache.juli.logging.ch.qos.logback.core.CoreConstants;
import org.apache.juli.logging.ch.qos.logback.core.spi.ContextAwareBase;
public class NetworkAddressUtil extends ContextAwareBase {
public NetworkAddressUtil(Context context) {
setContext(context);
}
public static String getLocalHostName() throws UnknownHostException, SocketException {
try {
InetAddress localhost = InetAddress.getLocalHost();
return localhost.getHostName();
} catch (UnknownHostException e) {
return getLocalAddressAsString();
}
}
public static String getCanonicalLocalHostName() throws UnknownHostException, SocketException {
try {
InetAddress localhost = InetAddress.getLocalHost();
return localhost.getCanonicalHostName();
} catch (UnknownHostException e) {
return getLocalAddressAsString();
}
}
private static String getLocalAddressAsString() throws UnknownHostException, SocketException {
Enumeration interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces != null && interfaces.hasMoreElements()) {
Enumeration addresses = interfaces.nextElement().getInetAddresses();
while (addresses != null && addresses.hasMoreElements()) {
InetAddress address = addresses.nextElement();
if (acceptableAddress(address)) {
return address.getHostAddress();
}
}
}
throw new UnknownHostException();
}
private static boolean acceptableAddress(InetAddress address) {
return address != null && !address.isLoopbackAddress() && !address.isAnyLocalAddress()
&& !address.isLinkLocalAddress();
}
/**
* Add the local host's name as a property
*/
public String safelyGetLocalHostName() {
try {
String localhostName = getLocalHostName();
return localhostName;
} catch (UnknownHostException | SocketException | SecurityException e) {
addError("Failed to get local hostname", e);
}
return CoreConstants.UNKNOWN_LOCALHOST;
}
public String safelyGetCanonicalLocalHostName() {
try {
String localhostName = getCanonicalLocalHostName();
return localhostName;
} catch (UnknownHostException | SocketException | SecurityException e) {
addError("Failed to get canonical local hostname", e);
}
return CoreConstants.UNKNOWN_LOCALHOST;
}
}