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<div class="subTitle">org.apache.http.impl.conn</div>
<h2 title="Class SystemDefaultDnsResolver" class="title">Class SystemDefaultDnsResolver</h2>
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<li>org.apache.http.impl.conn.SystemDefaultDnsResolver</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/http/conn/DnsResolver.html" title="interface in org.apache.http.conn">DnsResolver</a></dd>
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<pre>public class <span class="strong">SystemDefaultDnsResolver</span>
extends <a href="https://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../org/apache/http/conn/DnsResolver.html" title="interface in org.apache.http.conn">DnsResolver</a></pre>
<div class="block">DNS resolver that uses the default OS implementation for resolving host names.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>4.2</dd></dl>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html" title="class in org.apache.http.impl.conn">SystemDefaultDnsResolver</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html#INSTANCE">INSTANCE</a></strong></code>&nbsp;</td>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html#SystemDefaultDnsResolver()">SystemDefaultDnsResolver</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html#resolve(java.lang.String)">resolve</a></strong>(<a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;host)</code>
<div class="block">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.</div>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/http/impl/conn/SystemDefaultDnsResolver.html" title="class in org.apache.http.impl.conn">SystemDefaultDnsResolver</a> INSTANCE</pre>
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<pre>public&nbsp;SystemDefaultDnsResolver()</pre>
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<h4>resolve</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>[]&nbsp;resolve(<a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;host)
                      throws <a href="https://docs.oracle.com/javase/6/docs/api/java/net/UnknownHostException.html?is-external=true" title="class or interface in java.net">UnknownHostException</a></pre>
<div class="block"><strong>Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/http/conn/DnsResolver.html#resolve(java.lang.String)">DnsResolver</a></code></strong></div>
<div class="block">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.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/http/conn/DnsResolver.html#resolve(java.lang.String)">resolve</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/http/conn/DnsResolver.html" title="interface in org.apache.http.conn">DnsResolver</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>host</code> - The host name to be resolved by this resolver.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The IP address associated to the given host name, or null if the
         host name is not known by the implementation class.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/6/docs/api/java/net/UnknownHostException.html?is-external=true" title="class or interface in java.net">UnknownHostException</a></code></dd><dt><span class="strong">See Also:</span></dt><dd><a href="https://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net"><code>InetAddress</code></a></dd></dl>
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