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WhoisClient (libcommons-net2-java API)
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org.apache.commons.net.whois</FONT>
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Class WhoisClient</H2>
<PRE>
<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net">org.apache.commons.net.SocketClient</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html" title="class in org.apache.commons.net.finger">org.apache.commons.net.finger.FingerClient</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.commons.net.whois.WhoisClient</B>
</PRE>
<HR>
<DL>
<DT><PRE>public final class <B>WhoisClient</B><DT>extends <A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html" title="class in org.apache.commons.net.finger">FingerClient</A></DL>
</PRE>
<P>
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:
<pre>
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;
}
</pre>
<p>
<p>
<P>
<P>
<DL>
<DT><B>Author:</B></DT>
<DD>Daniel F. Savarese</DD>
</DL>
<HR>
<P>
<!-- =========== FIELD SUMMARY =========== -->
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<B>Field Summary</B></FONT></TH>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/whois/WhoisClient.html#DEFAULT_HOST">DEFAULT_HOST</A></B></CODE>
<BR>
The default whois host to query.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/whois/WhoisClient.html#DEFAULT_PORT">DEFAULT_PORT</A></B></CODE>
<BR>
The default whois port.</TD>
</TR>
</TABLE>
<A NAME="fields_inherited_from_class_org.apache.commons.net.SocketClient"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Fields inherited from class org.apache.commons.net.<A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net">SocketClient</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/SocketClient.html#_defaultPort_">_defaultPort_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_input_">_input_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_output_">_output_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_serverSocketFactory_">_serverSocketFactory_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_socket_">_socket_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_socketFactory_">_socketFactory_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#_timeout_">_timeout_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connectTimeout">connectTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#NETASCII_EOL">NETASCII_EOL</A></CODE></TD>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/whois/WhoisClient.html#WhoisClient()">WhoisClient</A></B>()</CODE>
<BR>
The default whois constructor.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/whois/WhoisClient.html#getInputStream(java.lang.String)">getInputStream</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> handle)</CODE>
<BR>
Queries the connected whois server for information regarding
the given handle and returns the InputStream of the network connection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/commons/net/whois/WhoisClient.html#query(java.lang.String)">query</A></B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> handle)</CODE>
<BR>
Queries the connected whois server for information regarding
the given handle.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_org.apache.commons.net.finger.FingerClient"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.commons.net.finger.<A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html" title="class in org.apache.commons.net.finger">FingerClient</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html#getInputStream(boolean)">getInputStream</A>, <A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html#getInputStream(boolean, java.lang.String)">getInputStream</A>, <A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html#getInputStream(boolean, java.lang.String, java.lang.String)">getInputStream</A>, <A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html#query(boolean)">query</A>, <A HREF="../../../../../org/apache/commons/net/finger/FingerClient.html#query(boolean, java.lang.String)">query</A></CODE></TD>
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</TABLE>
<A NAME="methods_inherited_from_class_org.apache.commons.net.SocketClient"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.apache.commons.net.<A HREF="../../../../../org/apache/commons/net/SocketClient.html" title="class in org.apache.commons.net">SocketClient</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../../org/apache/commons/net/SocketClient.html#_connectAction_()">_connectAction_</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.net.InetAddress, int, java.net.InetAddress, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.lang.String)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.lang.String, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#connect(java.lang.String, int, java.net.InetAddress, int)">connect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#disconnect()">disconnect</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getConnectTimeout()">getConnectTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getDefaultPort()">getDefaultPort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getDefaultTimeout()">getDefaultTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getKeepAlive()">getKeepAlive</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getLocalAddress()">getLocalAddress</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getLocalPort()">getLocalPort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getRemoteAddress()">getRemoteAddress</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getRemotePort()">getRemotePort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getServerSocketFactory()">getServerSocketFactory</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getSoLinger()">getSoLinger</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getSoTimeout()">getSoTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#getTcpNoDelay()">getTcpNoDelay</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#isConnected()">isConnected</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setConnectTimeout(int)">setConnectTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setDefaultPort(int)">setDefaultPort</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setDefaultTimeout(int)">setDefaultTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setKeepAlive(boolean)">setKeepAlive</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setReceiveBufferSize(int)">setReceiveBufferSize</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSendBufferSize(int)">setSendBufferSize</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setServerSocketFactory(javax.net.ServerSocketFactory)">setServerSocketFactory</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSocketFactory(javax.net.SocketFactory)">setSocketFactory</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSoLinger(boolean, int)">setSoLinger</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setSoTimeout(int)">setSoTimeout</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#setTcpNoDelay(boolean)">setTcpNoDelay</A>, <A HREF="../../../../../org/apache/commons/net/SocketClient.html#verifyRemote(java.net.Socket)">verifyRemote</A></CODE></TD>
</TR>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
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<TD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
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<A NAME="DEFAULT_HOST"><!-- --></A><H3>
DEFAULT_HOST</H3>
<PRE>
public static final <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>DEFAULT_HOST</B></PRE>
<DL>
<DD>The default whois host to query. It is set to whois.internic.net.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.commons.net.whois.WhoisClient.DEFAULT_HOST">Constant Field Values</A></DL>
</DL>
<HR>
<A NAME="DEFAULT_PORT"><!-- --></A><H3>
DEFAULT_PORT</H3>
<PRE>
public static final int <B>DEFAULT_PORT</B></PRE>
<DL>
<DD>The default whois port. It is set to 43 according to RFC 954.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.commons.net.whois.WhoisClient.DEFAULT_PORT">Constant Field Values</A></DL>
</DL>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<A NAME="WhoisClient()"><!-- --></A><H3>
WhoisClient</H3>
<PRE>
public <B>WhoisClient</B>()</PRE>
<DL>
<DD>The default whois constructor. Initializes the
default port to <code> DEFAULT_PORT </code>.
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
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<A NAME="query(java.lang.String)"><!-- --></A><H3>
query</H3>
<PRE>
public <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>query</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> handle)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>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.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>handle</CODE> - The handle to lookup.
<DT><B>Returns:</B><DD>The result of the whois query.
<DT><B>Throws:</B>
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs during the operation.</DL>
</DD>
</DL>
<HR>
<A NAME="getInputStream(java.lang.String)"><!-- --></A><H3>
getInputStream</H3>
<PRE>
public <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A> <B>getInputStream</B>(<A HREF="file:///usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> handle)
throws <A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>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.
<p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>handle</CODE> - The handle to lookup.
<DT><B>Returns:</B><DD>The InputStream of the network connection of the whois query.
Can be read to obtain whois results.
<DT><B>Throws:</B>
<DD><CODE><A HREF="file:///usr/share/doc/default-jdk-doc/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - If an I/O error occurs during the operation.</DL>
</DD>
</DL>
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