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java.lang.Objectorg.apache.commons.net.SocketClient
org.apache.commons.net.finger.FingerClient
org.apache.commons.net.whois.WhoisClient
public final class WhoisClient
The WhoisClient class implements the client side of the Internet Whois Protocol defined in RFC 954. To query a host you create a WhoisClient instance, connect to the host, query the host, and finally disconnect from the host. If the whois service you want to query is on a non-standard port, connect to the host at that port. Here's a sample use:
WhoisClient whois;
whois = new WhoisClient();
try {
whois.connect(WhoisClient.DEFAULT_HOST);
System.out.println(whois.query("foobar"));
whois.disconnect();
} catch(IOException e) {
System.err.println("Error I/O exception: " + e.getMessage());
return;
}
| Field Summary | |
|---|---|
static String |
DEFAULT_HOST
The default whois host to query. |
static int |
DEFAULT_PORT
The default whois port. |
| Fields inherited from class org.apache.commons.net.SocketClient |
|---|
_defaultPort_, _input_, _output_, _serverSocketFactory_, _socket_, _socketFactory_, _timeout_, connectTimeout, NETASCII_EOL |
| Constructor Summary | |
|---|---|
WhoisClient()
The default whois constructor. |
|
| Method Summary | |
|---|---|
InputStream |
getInputStream(String handle)
Queries the connected whois server for information regarding the given handle and returns the InputStream of the network connection. |
String |
query(String handle)
Queries the connected whois server for information regarding the given handle. |
| Methods inherited from class org.apache.commons.net.finger.FingerClient |
|---|
getInputStream, getInputStream, getInputStream, query, query |
| Methods inherited from class org.apache.commons.net.SocketClient |
|---|
_connectAction_, connect, connect, connect, connect, connect, connect, disconnect, getConnectTimeout, getDefaultPort, getDefaultTimeout, getLocalAddress, getLocalPort, getRemoteAddress, getRemotePort, getSoLinger, getSoTimeout, getTcpNoDelay, isConnected, setConnectTimeout, setDefaultPort, setDefaultTimeout, setReceiveBufferSize, setSendBufferSize, setServerSocketFactory, setSocketFactory, setSoLinger, setSoTimeout, setTcpNoDelay, verifyRemote |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final String DEFAULT_HOST
public static final int DEFAULT_PORT
| Constructor Detail |
|---|
public WhoisClient()
DEFAULT_PORT .
| Method Detail |
|---|
public String query(String handle)
throws IOException
handle - The handle to lookup.
IOException - If an I/O error occurs during the operation.
public InputStream getInputStream(String handle)
throws IOException
handle - The handle to lookup.
IOException - If an I/O error occurs during the operation.
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