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SystemDefaultDnsResolver (HttpComponents Client 4.2.2 API)
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org.apache.http.impl.conn</FONT>
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Class SystemDefaultDnsResolver</H2>
<PRE>
<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.http.impl.conn.SystemDefaultDnsResolver</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../../org/apache/http/conn/DnsResolver.html" title="interface in org.apache.http.conn">DnsResolver</A></DD>
</DL>
<HR>
<DL>
<DT><PRE>public class <B>SystemDefaultDnsResolver</B><DT>extends <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../../org/apache/http/conn/DnsResolver.html" title="interface in org.apache.http.conn">DnsResolver</A></DL>
</PRE>
<P>
DNS resolver that uses the default OS implementation for resolving host names.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>4.2</DD>
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<TD><CODE><B><A HREF="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html#SystemDefaultDnsResolver()">SystemDefaultDnsResolver</A></B>()</CODE>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/net/InetAddress.html" title="class or interface in java.net">InetAddress</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html#resolve(java.lang.String)">resolve</A></B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;host)</CODE>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the IP address for the specified host name, or null if the given
host is not recognized or the associated IP address cannot be used to
build an InetAddress instance.</TD>
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<TD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<A NAME="SystemDefaultDnsResolver()"><!-- --></A><H3>
SystemDefaultDnsResolver</H3>
<PRE>
public <B>SystemDefaultDnsResolver</B>()</PRE>
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<A NAME="resolve(java.lang.String)"><!-- --></A><H3>
resolve</H3>
<PRE>
public <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/net/InetAddress.html" title="class or interface in java.net">InetAddress</A>[] <B>resolve</B>(<A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;host)
throws <A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/net/UnknownHostException.html" title="class or interface in java.net">UnknownHostException</A></PRE>
<DL>
<DD>Returns the IP address for the specified host name, or null if the given
host is not recognized or the associated IP address cannot be used to
build an InetAddress instance.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/http/conn/DnsResolver.html#resolve(java.lang.String)">resolve</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/http/conn/DnsResolver.html" title="interface in org.apache.http.conn">DnsResolver</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>host</CODE> - The host name to be resolved by this resolver.
<DT><B>Returns:</B><DD>The IP address associated to the given host name, or null if the
host name is not known by the implementation class.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/net/UnknownHostException.html" title="class or interface in java.net">UnknownHostException</A></CODE><DT><B>See Also:</B><DD><A HREF="http://download.oracle.com/javase/1.5.0/docs/api/java/net/InetAddress.html" title="class or interface in java.net"><CODE>InetAddress</CODE></A></DL>
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