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java.lang.Object | +--org.apache.commons.net.SocketClient | +--org.apache.commons.net.FingerClient | +--org.apache.commons.net.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 java.lang.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_, _isConnected_, _output_, _socket_, _socketFactory_, _timeout_, NETASCII_EOL |
Constructor Summary | |
WhoisClient()
The default whois constructor. |
Method Summary | |
java.io.InputStream |
getInputStream(java.lang.String handle)
Queries the connected whois server for information regarding the given handle and returns the InputStream of the network connection. |
java.lang.String |
query(java.lang.String handle)
Queries the connected whois server for information regarding the given handle. |
Methods inherited from class org.apache.commons.net.FingerClient |
getInputStream, getInputStream, query, query |
Methods inherited from class org.apache.commons.net.SocketClient |
_connectAction_, connect, connect, connect, connect, connect, connect, disconnect, getDefaultPort, getDefaultTimeout, getLocalAddress, getLocalPort, getRemoteAddress, getRemotePort, getSoLinger, getSoTimeout, getTcpNoDelay, isConnected, setDefaultPort, setDefaultTimeout, 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 java.lang.String DEFAULT_HOST
public static final int DEFAULT_PORT
Constructor Detail |
public WhoisClient()
DEFAULT_PORT
.
Method Detail |
public java.lang.String query(java.lang.String handle) throws java.io.IOException
handle
- The handle to lookup.
java.io.IOException
- If an I/O error occurs during the operation.public java.io.InputStream getInputStream(java.lang.String handle) throws java.io.IOException
handle
- The handle to lookup.
java.io.IOException
- If an I/O error occurs during the operation.
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