com.metamatrix.common.util
Class NetUtils

java.lang.Object
  com.metamatrix.common.util.NetUtils

public class NetUtils
extends java.lang.Object

Constructor Summary

NetUtils()

Method Summary

java.net.InetAddress	getInetAddress()
static NetUtils	getInstance()
boolean	isPortAvailable(java.lang.String host, int port) Call to determine if a port is available to be opened.
static java.net.InetAddress	resolveHostByName(java.lang.String hostName) Resolves the given host name into InetAddress; if host name can not be resolved then it will throw UnknownHostException

Methods inherited from class java.lang.Object

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

Constructor Detail

NetUtils

public NetUtils()

Method Detail

getInstance

public static NetUtils getInstance()

getInetAddress

public java.net.InetAddress getInetAddress()
                                    throws java.net.UnknownHostException

Throws:

java.net.UnknownHostException

resolveHostByName

public static java.net.InetAddress resolveHostByName(java.lang.String hostName)
                                              throws java.net.UnknownHostException

Resolves the given host name into InetAddress; if host name can not be resolved then it will throw UnknownHostException

Parameters:

hostName -

Returns:

Throws:

java.net.UnknownHostException

isPortAvailable

public boolean isPortAvailable(java.lang.String host,
                               int port)
                        throws java.net.UnknownHostException

Call to determine if a port is available to be opened. This is used to determine if a port is already opened by some other process. If the port is available, then it's not in use.

Parameters:

host -

port -

Returns:

true if the port is not opened.

Throws:

java.net.UnknownHostException

Since:

4.3