Java Doc for WhoisClient.java in  » Net » Apache-commons-net-1.4.1 » org » apache » commons » net » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Apache commons net 1.4.1 » org.apache.commons.net 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.commons.net.SocketClient
      org.apache.commons.net.FingerClient
         org.apache.commons.net.WhoisClient

WhoisClient
final public class WhoisClient extends FingerClient (Code)
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;
 }
 


author:
   Daniel F. Savarese



Field Summary
final public static  StringDEFAULT_HOST
     The default whois host to query.
final public static  intDEFAULT_PORT
     The default whois port.

Constructor Summary
public  WhoisClient()
     The default whois constructor.

Method Summary
public  InputStreamgetInputStream(String handle)
     Queries the connected whois server for information regarding the given handle and returns the InputStream of the network connection. It is up to the programmer to be familiar with the handle syntax of the whois server.
public  Stringquery(String handle)
     Queries the connected whois server for information regarding the given handle.

Field Detail
DEFAULT_HOST
final public static String DEFAULT_HOST(Code)
The default whois host to query. It is set to whois.internic.net.



DEFAULT_PORT
final public static int DEFAULT_PORT(Code)
The default whois port. It is set to 43 according to RFC 954.




Constructor Detail
WhoisClient
public WhoisClient()(Code)
The default whois constructor. Initializes the default port to DEFAULT_PORT .




Method Detail
getInputStream
public InputStream getInputStream(String handle) throws IOException(Code)
Queries the connected whois server for information regarding the given handle and returns the InputStream of the network connection. It is up to the programmer to be familiar with the handle syntax of the whois server. You must first connect to a finger server before calling this method, and you should disconnect after finishing reading the stream.


Parameters:
  handle - The handle to lookup. The InputStream of the network connection of the whois query.Can be read to obtain whois results.
exception:
  IOException - If an I/O error occurs during the operation.




query
public String query(String handle) throws IOException(Code)
Queries the connected whois server for information regarding the given handle. It is up to the programmer to be familiar with the handle syntax of the whois server. You must first connect to a whois server before calling this method, and you should disconnect afterward.


Parameters:
  handle - The handle to lookup. The result of the whois query.
exception:
  IOException - If an I/O error occurs during the operation.




Fields inherited from org.apache.commons.net.FingerClient
final public static int DEFAULT_PORT(Code)(Java Doc)

Methods inherited from org.apache.commons.net.FingerClient
public InputStream getInputStream(boolean longOutput, String username) throws IOException(Code)(Java Doc)
public InputStream getInputStream(boolean longOutput) throws IOException(Code)(Java Doc)
public String query(boolean longOutput, String username) throws IOException(Code)(Java Doc)
public String query(boolean longOutput) throws IOException(Code)(Java Doc)

Fields inherited from org.apache.commons.net.SocketClient
final public static String NETASCII_EOL(Code)(Java Doc)
protected int _defaultPort_(Code)(Java Doc)
protected InputStream _input_(Code)(Java Doc)
protected boolean _isConnected_(Code)(Java Doc)
protected OutputStream _output_(Code)(Java Doc)
protected SocketFactory _socketFactory_(Code)(Java Doc)
protected Socket _socket_(Code)(Java Doc)
protected int _timeout_(Code)(Java Doc)

Methods inherited from org.apache.commons.net.SocketClient
protected void _connectAction_() throws IOException(Code)(Java Doc)
public void connect(InetAddress host, int port) throws SocketException, IOException(Code)(Java Doc)
public void connect(String hostname, int port) throws SocketException, IOException(Code)(Java Doc)
public void connect(InetAddress host, int port, InetAddress localAddr, int localPort) throws SocketException, IOException(Code)(Java Doc)
public void connect(String hostname, int port, InetAddress localAddr, int localPort) throws SocketException, IOException(Code)(Java Doc)
public void connect(InetAddress host) throws SocketException, IOException(Code)(Java Doc)
public void connect(String hostname) throws SocketException, IOException(Code)(Java Doc)
public void disconnect() throws IOException(Code)(Java Doc)
public int getDefaultPort()(Code)(Java Doc)
public int getDefaultTimeout()(Code)(Java Doc)
public InetAddress getLocalAddress()(Code)(Java Doc)
public int getLocalPort()(Code)(Java Doc)
public InetAddress getRemoteAddress()(Code)(Java Doc)
public int getRemotePort()(Code)(Java Doc)
public int getSoLinger() throws SocketException(Code)(Java Doc)
public int getSoTimeout() throws SocketException(Code)(Java Doc)
public boolean getTcpNoDelay() throws SocketException(Code)(Java Doc)
public boolean isConnected()(Code)(Java Doc)
public void setDefaultPort(int port)(Code)(Java Doc)
public void setDefaultTimeout(int timeout)(Code)(Java Doc)
public void setSoLinger(boolean on, int val) throws SocketException(Code)(Java Doc)
public void setSoTimeout(int timeout) throws SocketException(Code)(Java Doc)
public void setSocketFactory(SocketFactory factory)(Code)(Java Doc)
public void setTcpNoDelay(boolean on) throws SocketException(Code)(Java Doc)
public boolean verifyRemote(Socket socket)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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