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<div class="subTitle">org.apache.hadoop.security.token.delegation.web</div>
<h2 title="Class DelegationTokenAuthenticator" class="title">Class DelegationTokenAuthenticator</h2>
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<ul class="inheritance">
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<li>org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator</li>
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<dt>All Implemented Interfaces:</dt>
<dd>org.apache.hadoop.security.authentication.client.Authenticator</dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/KerberosDelegationTokenAuthenticator.html" title="class in org.apache.hadoop.security.token.delegation.web">KerberosDelegationTokenAuthenticator</a>, <a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/PseudoDelegationTokenAuthenticator.html" title="class in org.apache.hadoop.security.token.delegation.web">PseudoDelegationTokenAuthenticator</a></dd>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Evolving
public abstract class <span class="typeNameLabel">DelegationTokenAuthenticator</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements org.apache.hadoop.security.authentication.client.Authenticator</pre>
<div class="block"><code>Authenticator</code> wrapper that enhances an <code>Authenticator</code> with
Delegation Token support.</div>
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<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
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<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#DELEGATION_PARAM">DELEGATION_PARAM</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#DELEGATION_TOKEN_HEADER">DELEGATION_TOKEN_HEADER</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#DELEGATION_TOKEN_JSON">DELEGATION_TOKEN_JSON</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#DELEGATION_TOKEN_URL_STRING_JSON">DELEGATION_TOKEN_URL_STRING_JSON</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#OP_PARAM">OP_PARAM</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#RENEW_DELEGATION_TOKEN_JSON">RENEW_DELEGATION_TOKEN_JSON</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#RENEWER_PARAM">RENEWER_PARAM</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#SERVICE_PARAM">SERVICE_PARAM</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#TOKEN_PARAM">TOKEN_PARAM</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#DelegationTokenAuthenticator-org.apache.hadoop.security.authentication.client.Authenticator-">DelegationTokenAuthenticator</a></span>(org.apache.hadoop.security.authentication.client.Authenticator&nbsp;authenticator)</code>&nbsp;</td>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#authenticate-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-">authenticate</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#cancelDelegationToken-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-org.apache.hadoop.security.token.Token-">cancelDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken)</code>
<div class="block">Cancels a delegation token from the server end-point.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#cancelDelegationToken-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-org.apache.hadoop.security.token.Token-java.lang.String-">cancelDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doAsUser)</code>
<div class="block">Cancels a delegation token from the server end-point.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#getDelegationToken-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-java.lang.String-">getDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;renewer)</code>
<div class="block">Requests a delegation token using the configured <code>Authenticator</code>
for authentication.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#getDelegationToken-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-java.lang.String-java.lang.String-">getDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;renewer,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doAsUser)</code>
<div class="block">Requests a delegation token using the configured <code>Authenticator</code>
for authentication.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#renewDelegationToken-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-org.apache.hadoop.security.token.Token-">renewDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken)</code>
<div class="block">Renews a delegation token from the server end-point using the
configured <code>Authenticator</code> for authentication.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#renewDelegationToken-java.net.URL-org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token-org.apache.hadoop.security.token.Token-java.lang.String-">renewDelegationToken</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doAsUser)</code>
<div class="block">Renews a delegation token from the server end-point using the
configured <code>Authenticator</code> for authentication.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticator.html#setConnectionConfigurator-org.apache.hadoop.security.authentication.client.ConnectionConfigurator-">setConnectionConfigurator</a></span>(org.apache.hadoop.security.authentication.client.ConnectionConfigurator&nbsp;configurator)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/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&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> OP_PARAM</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.OP_PARAM">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> DELEGATION_TOKEN_HEADER</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.DELEGATION_TOKEN_HEADER">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> DELEGATION_PARAM</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> TOKEN_PARAM</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> RENEWER_PARAM</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> SERVICE_PARAM</pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> DELEGATION_TOKEN_JSON</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.DELEGATION_TOKEN_JSON">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> DELEGATION_TOKEN_URL_STRING_JSON</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.DELEGATION_TOKEN_URL_STRING_JSON">Constant Field Values</a></dd>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> RENEW_DELEGATION_TOKEN_JSON</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../constant-values.html#org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticator.RENEW_DELEGATION_TOKEN_JSON">Constant Field Values</a></dd>
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<pre>public&nbsp;DelegationTokenAuthenticator(org.apache.hadoop.security.authentication.client.Authenticator&nbsp;authenticator)</pre>
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<pre>public&nbsp;void&nbsp;setConnectionConfigurator(org.apache.hadoop.security.authentication.client.ConnectionConfigurator&nbsp;configurator)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>setConnectionConfigurator</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.security.authentication.client.Authenticator</code></dd>
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<h4>authenticate</h4>
<pre>public&nbsp;void&nbsp;authenticate(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
org.apache.hadoop.security.authentication.client.AuthenticationException</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>authenticate</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.security.authentication.client.Authenticator</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
<dd><code>org.apache.hadoop.security.authentication.client.AuthenticationException</code></dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;getDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;renewer)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
org.apache.hadoop.security.authentication.client.AuthenticationException</pre>
<div class="block">Requests a delegation token using the configured <code>Authenticator</code>
for authentication.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>url</code> - the URL to get the delegation token from. Only HTTP/S URLs are
supported.</dd>
<dd><code>token</code> - the authentication token being used for the user where the
Delegation token will be stored.</dd>
<dd><code>renewer</code> - the renewer user.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an IO error occurred.</dd>
<dd><code>org.apache.hadoop.security.authentication.client.AuthenticationException</code> - if an authentication exception occurred.</dd>
</dl>
</li>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;getDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;renewer,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doAsUser)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
org.apache.hadoop.security.authentication.client.AuthenticationException</pre>
<div class="block">Requests a delegation token using the configured <code>Authenticator</code>
for authentication.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>url</code> - the URL to get the delegation token from. Only HTTP/S URLs are
supported.</dd>
<dd><code>token</code> - the authentication token being used for the user where the
Delegation token will be stored.</dd>
<dd><code>renewer</code> - the renewer user.</dd>
<dd><code>doAsUser</code> - the user to do as, which will be the token owner.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an IO error occurred.</dd>
<dd><code>org.apache.hadoop.security.authentication.client.AuthenticationException</code> - if an authentication exception occurred.</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;long&nbsp;renewDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
org.apache.hadoop.security.authentication.client.AuthenticationException</pre>
<div class="block">Renews a delegation token from the server end-point using the
configured <code>Authenticator</code> for authentication.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>url</code> - the URL to renew the delegation token from. Only HTTP/S URLs are
supported.</dd>
<dd><code>token</code> - the authentication token with the Delegation Token to renew.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an IO error occurred.</dd>
<dd><code>org.apache.hadoop.security.authentication.client.AuthenticationException</code> - if an authentication exception occurred.</dd>
</dl>
</li>
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<pre>public&nbsp;long&nbsp;renewDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doAsUser)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
org.apache.hadoop.security.authentication.client.AuthenticationException</pre>
<div class="block">Renews a delegation token from the server end-point using the
configured <code>Authenticator</code> for authentication.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>url</code> - the URL to renew the delegation token from. Only HTTP/S URLs are
supported.</dd>
<dd><code>token</code> - the authentication token with the Delegation Token to renew.</dd>
<dd><code>doAsUser</code> - the user to do as, which will be the token owner.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an IO error occurred.</dd>
<dd><code>org.apache.hadoop.security.authentication.client.AuthenticationException</code> - if an authentication exception occurred.</dd>
</dl>
</li>
</ul>
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<h4>cancelDelegationToken</h4>
<pre>public&nbsp;void&nbsp;cancelDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Cancels a delegation token from the server end-point. It does not require
being authenticated by the configured <code>Authenticator</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>url</code> - the URL to cancel the delegation token from. Only HTTP/S URLs
are supported.</dd>
<dd><code>token</code> - the authentication token with the Delegation Token to cancel.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an IO error occurred.</dd>
</dl>
</li>
</ul>
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<pre>public&nbsp;void&nbsp;cancelDelegationToken(<a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a>&nbsp;url,
org.apache.hadoop.security.authentication.client.AuthenticatedURL.Token&nbsp;token,
<a href="../../../../../../../org/apache/hadoop/security/token/Token.html" title="class in org.apache.hadoop.security.token">Token</a>&lt;<a href="../../../../../../../org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.html" title="class in org.apache.hadoop.security.token.delegation">AbstractDelegationTokenIdentifier</a>&gt;&nbsp;dToken,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;doAsUser)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Cancels a delegation token from the server end-point. It does not require
being authenticated by the configured <code>Authenticator</code>.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>url</code> - the URL to cancel the delegation token from. Only HTTP/S URLs
are supported.</dd>
<dd><code>token</code> - the authentication token with the Delegation Token to cancel.</dd>
<dd><code>doAsUser</code> - the user to do as, which will be the token owner.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an IO error occurred.</dd>
</dl>
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