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package org.openslx.taskmanager.tasks;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import org.apache.log4j.Logger;
import org.openslx.taskmanager.api.AbstractTask;
public class LocalAddressesList extends AbstractTask
{
private static final Logger LOG = Logger.getLogger( LocalAddressesList.class );
private Output status = new Output();
@Override
protected boolean initTask()
{
return true;
}
@Override
protected boolean execute()
{
this.setStatusObject( status );
List<Output.Entry> list = new ArrayList<>();
try {
for ( Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
NetworkInterface intf = en.nextElement();
for ( Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
InetAddress addr = enumIpAddr.nextElement();
Output.Entry entry = new Output.Entry();
entry.iface = intf.getName();
entry.ip = addr.getHostAddress().replaceFirst( "%\\d+$", "" );
if ( addr instanceof Inet4Address ) {
entry.type = "ipv4";
} else if ( addr instanceof Inet6Address ) {
entry.type = "ipv6";
} else {
entry.type = addr.getClass().getSimpleName();
}
list.add( entry );
}
}
} catch ( SocketException e ) {
LOG.info( " (error retrieving network interface list)" );
this.status.error = "Error retrieving network interface list (" + e.getMessage() + ")";
return false;
}
this.status.addresses = list;
return true;
}
/**
* Output - contains additional status data of this task
*/
@SuppressWarnings( "unused" )
private static class Output
{
protected String error = null;
protected List<Entry> addresses = null;
protected static class Entry
{
protected String ip = null;
protected String iface = null;
protected String type = null;
}
}
}
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