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<li>Summary: </li>
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<div class="subTitle">PIRL.Utilities</div>
<h2 title="Class Host" class="title">Class Host</h2>
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<ul class="inheritance">
<li><a href="/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></li>
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<li>PIRL.Utilities.Host</li>
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<pre>public class <span class="strong">Host</span>
extends <a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">The <i>Host</i> class provides information about the host on
which the process is running.
<p></div>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME">DEFAULT_HOSTNAME</a></strong></code>
<div class="block">The name that will be provided for the hostname or IP address if
they can not be obtained from the host system.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#FULL_HOSTNAME">FULL_HOSTNAME</a></strong></code>
<div class="block">The cannonical, fully qualified name of the host system.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#ID">ID</a></strong></code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#IP_ADDRESS">IP_ADDRESS</a></strong></code>
<div class="block">The Internet Protocol address of the host system.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#SHORT_HOSTNAME">SHORT_HOSTNAME</a></strong></code>
<div class="block">The short, single word name of the host system.</div>
</td>
</tr>
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#Environment()">Environment</a></strong>()</code>
<div class="block">Get all the environment variables from the host.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#Full_Hostname()">Full_Hostname</a></strong>()</code>
<div class="block">Get the fully qualified name of the host system.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#Full_Hostname(java.lang.String)">Full_Hostname</a></strong>(<a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname)</code>
<div class="block">Get the fully qualified name for a hostname.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#Hostname()">Hostname</a></strong>()</code>
<div class="block">Get the name of the host system.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#Hostname(java.lang.String)">Hostname</a></strong>(<a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> address)</code>
<div class="block">Get the name of a host system.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#IP_Address()">IP_Address</a></strong>()</code>
<div class="block">Get the IP address of the host system.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#IP_Address(java.lang.String)">IP_Address</a></strong>(<a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname)</code>
<div class="block">Get the IP address for a hostname.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../PIRL/Utilities/Host.html#OS_Name()">OS_Name</a></strong>()</code>
<div class="block">Get the name of the host operating system.</div>
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<h3>Methods inherited from class java.lang.<a href="/usr/share/doc/default-jdk-doc/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="/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="/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="/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="/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="/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="/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="/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="/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="/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="/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="/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></li>
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<pre>public static final <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> ID</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../constant-values.html#PIRL.Utilities.Host.ID">Constant Field Values</a></dd></dl>
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<pre>public static final <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> FULL_HOSTNAME</pre>
<div class="block">The cannonical, fully qualified name of the host system.
<p>
If the hostname can not be obtained from the host system
the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> will be used.
<p></div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../PIRL/Utilities/Host.html#SHORT_HOSTNAME"><code>SHORT_HOSTNAME</code></a></dd></dl>
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<pre>public static final <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> SHORT_HOSTNAME</pre>
<div class="block">The short, single word name of the host system.
<p>
If the hostname can not be obtained from the host system
the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> will be used.
<p></div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../PIRL/Utilities/Host.html#FULL_HOSTNAME"><code>FULL_HOSTNAME</code></a></dd></dl>
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<pre>public static final <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> IP_ADDRESS</pre>
<div class="block">The Internet Protocol address of the host system.
<p>
If the IP address can not be obtained from the host system
the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> will be used.</div>
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<pre>public static final <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> DEFAULT_HOSTNAME</pre>
<div class="block">The name that will be provided for the hostname or IP address if
they can not be obtained from the host system.</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../constant-values.html#PIRL.Utilities.Host.DEFAULT_HOSTNAME">Constant Field Values</a></dd></dl>
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<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> Hostname()</pre>
<div class="block">Get the name of the host system.
<p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The hostname String of the local system. If the hostname
can not be determined, the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> is returned.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../PIRL/Utilities/Host.html#SHORT_HOSTNAME"><code>SHORT_HOSTNAME</code></a></dd></dl>
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<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> Hostname(<a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> address)</pre>
<div class="block">Get the name of a host system.
<p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>address</code> - The textual representation of a host system IP
address or its hostname. If null, the local host system is
assumed.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The hostname String for the address. This will be null if
hostname lookup failed. <b>N.B.</b>: Unlike for the <a href="../../PIRL/Utilities/Host.html#Hostname()"><code>local system</code></a>, the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> will not
be returned if hostname lookup fails; instead of an ambiguous
name for possibly multiple unknown hostnames, the calling
application is expected to have rules to deal with an unknown
hostname in this case.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">SecurityException</a></code> - If hostname lookup is not allowed.</dd></dl>
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<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> Full_Hostname()</pre>
<div class="block">Get the fully qualified name of the host system.
<p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The fully qualified hostname String of the local system. If
the hostname can not be determined, the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a>
is returned.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../PIRL/Utilities/Host.html#FULL_HOSTNAME"><code>FULL_HOSTNAME</code></a></dd></dl>
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<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> Full_Hostname(<a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname)</pre>
<div class="block">Get the fully qualified name for a hostname.
<p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>hostname</code> - The name host system or the textual
representation of its IP address. If null, the local host system
is assumed.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The fully qualified hostname String for the hostname.
This will be null if hostname lookup failed. <b>N.B.</b>: Unlike
for the <a href="../../PIRL/Utilities/Host.html#Full_Hostname()"><code>local system</code></a>, the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> will not be returned if hostname lookup fails;
instead of an ambiguous name for possibly multiple unknown
hostnames, the calling application is expected to have rules to
deal with an unknown hostname in this case.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">SecurityException</a></code> - If hostname lookup is not allowed.</dd></dl>
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<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> IP_Address()</pre>
<div class="block">Get the IP address of the host system.
<p></div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The String representation of the IP address of the local
system. If the IP address can not be determined, the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> is returned.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../PIRL/Utilities/Host.html#IP_ADDRESS"><code>IP_ADDRESS</code></a></dd></dl>
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<h4>IP_Address</h4>
<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> IP_Address(<a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> hostname)</pre>
<div class="block">Get the IP address for a hostname.
<p></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>hostname</code> - The name host system or the textual
representation of its IP address. If null, the local host system
is assumed.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The String representation of the IP address for the hostname.
This will be null if no IP address for the hostname could be
found. <b>N.B.</b>: Unlike for the <a href="../../PIRL/Utilities/Host.html#IP_Address()"><code>local
system</code></a>, the <a href="../../PIRL/Utilities/Host.html#DEFAULT_HOSTNAME"><code>DEFAULT_HOSTNAME</code></a> will not be returned if
hostname lookup fails; instead of an ambiguous name for possibly
multiple unknown hostnames, the calling application is expected
to have rules to deal with an unknown hostname in this case.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="/usr/share/doc/default-jdk-doc/api/java/lang/SecurityException.html?is-external=true" title="class or interface in java.lang">SecurityException</a></code> - If hostname lookup is not allowed.</dd></dl>
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<h4>OS_Name</h4>
<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> OS_Name()</pre>
<div class="block">Get the name of the host operating system.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The name of the host OS from the os.name system property.</dd></dl>
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<h4>Environment</h4>
<pre>public static <a href="/usr/share/doc/default-jdk-doc/api/java/util/Properties.html?is-external=true" title="class or interface in java.util">Properties</a> Environment()</pre>
<div class="block">Get all the environment variables from the host.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>A Properties object contain all of the environment
variables.</dd></dl>
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