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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.eclipse.jetty.client.api</a></div>
<h2 title="Interface Authentication" class="title">Interface Authentication</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><code><a href="../util/AbstractAuthentication.html" title="class in org.eclipse.jetty.client.util">AbstractAuthentication</a></code>, <code><a href="../util/BasicAuthentication.html" title="class in org.eclipse.jetty.client.util">BasicAuthentication</a></code>, <code><a href="../util/DigestAuthentication.html" title="class in org.eclipse.jetty.client.util">DigestAuthentication</a></code>, <code><a href="../util/SPNEGOAuthentication.html" title="class in org.eclipse.jetty.client.util">SPNEGOAuthentication</a></code></dd>
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<pre>public interface <span class="typeNameLabel">Authentication</span></pre>
<div class="block"><a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a> represents a mechanism to authenticate requests for protected resources.
<p>
<a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a>s are added to an <a href="AuthenticationStore.html" title="interface in org.eclipse.jetty.client.api"><code>AuthenticationStore</code></a>, which is then
<a href="#matches(java.lang.String,java.net.URI,java.lang.String)"><code>queried</code></a> to find the right
<a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a> mechanism to use based on its type, URI and realm, as returned by
<code>WWW-Authenticate</code> response headers.
<p>
If an <a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a> mechanism is found, it is then
<a href="#authenticate(org.eclipse.jetty.client.api.Request,org.eclipse.jetty.client.api.ContentResponse,org.eclipse.jetty.client.api.Authentication.HeaderInfo,org.eclipse.jetty.util.Attributes)"><code>executed</code></a> for the given request,
returning an <a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication.Result</code></a>, which is then stored in the <a href="AuthenticationStore.html" title="interface in org.eclipse.jetty.client.api"><code>AuthenticationStore</code></a>
so that subsequent requests can be preemptively authenticated.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Authentication.HeaderInfo.html" title="class in org.eclipse.jetty.client.api">Authentication.HeaderInfo</a></span></code></th>
<td class="colLast">
<div class="block">Structure holding information about the <code>WWW-Authenticate</code> (or <code>Proxy-Authenticate</code>) header.</div>
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<tr class="rowColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api">Authentication.Result</a></span></code></th>
<td class="colLast">
<div class="block"><a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication.Result</code></a> holds the information needed to authenticate a <a href="Request.html" title="interface in org.eclipse.jetty.client.api"><code>Request</code></a> via <a href="Authentication.Result.html#apply(org.eclipse.jetty.client.api.Request)"><code>Authentication.Result.apply(org.eclipse.jetty.client.api.Request)</code></a>.</div>
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<td class="colFirst"><code>static java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ANY_REALM">ANY_REALM</a></span></code></th>
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<div class="block">Constant used to indicate that any realm will match.</div>
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<td class="colFirst"><code><a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api">Authentication.Result</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#authenticate(org.eclipse.jetty.client.api.Request,org.eclipse.jetty.client.api.ContentResponse,org.eclipse.jetty.client.api.Authentication.HeaderInfo,org.eclipse.jetty.util.Attributes)">authenticate</a></span>&#8203;(<a href="Request.html" title="interface in org.eclipse.jetty.client.api">Request</a>&nbsp;request,
<a href="ContentResponse.html" title="interface in org.eclipse.jetty.client.api">ContentResponse</a>&nbsp;response,
<a href="Authentication.HeaderInfo.html" title="class in org.eclipse.jetty.client.api">Authentication.HeaderInfo</a>&nbsp;headerInfo,
<a href="../../util/Attributes.html" title="interface in org.eclipse.jetty.util">Attributes</a>&nbsp;context)</code></th>
<td class="colLast">
<div class="block">Executes the authentication mechanism for the given request, returning a <a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication.Result</code></a> that can be
used to actually authenticate the request via <a href="Authentication.Result.html#apply(org.eclipse.jetty.client.api.Request)"><code>Authentication.Result.apply(Request)</code></a>.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#matches(java.lang.String,java.net.URI,java.lang.String)">matches</a></span>&#8203;(java.lang.String&nbsp;type,
java.net.URI&nbsp;uri,
java.lang.String&nbsp;realm)</code></th>
<td class="colLast">
<div class="block">Matches <a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a>s based on the given parameters</div>
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<h4>ANY_REALM</h4>
<pre>static final&nbsp;java.lang.String ANY_REALM</pre>
<div class="block">Constant used to indicate that any realm will match.</div>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#matches(java.lang.String,java.net.URI,java.lang.String)"><code>matches(String, URI, String)</code></a>,
<a href="../../../../../constant-values.html#org.eclipse.jetty.client.api.Authentication.ANY_REALM">Constant Field Values</a></dd>
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<h4>matches</h4>
<pre class="methodSignature">boolean&nbsp;matches&#8203;(java.lang.String&nbsp;type,
java.net.URI&nbsp;uri,
java.lang.String&nbsp;realm)</pre>
<div class="block">Matches <a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a>s based on the given parameters</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - the <a href="Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a> type such as "Basic" or "Digest"</dd>
<dd><code>uri</code> - the request URI</dd>
<dd><code>realm</code> - the authentication realm as provided in the <code>WWW-Authenticate</code> response header</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if this authentication matches, false otherwise</dd>
</dl>
</li>
</ul>
<a id="authenticate(org.eclipse.jetty.client.api.Request,org.eclipse.jetty.client.api.ContentResponse,org.eclipse.jetty.client.api.Authentication.HeaderInfo,org.eclipse.jetty.util.Attributes)">
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<h4>authenticate</h4>
<pre class="methodSignature"><a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api">Authentication.Result</a>&nbsp;authenticate&#8203;(<a href="Request.html" title="interface in org.eclipse.jetty.client.api">Request</a>&nbsp;request,
<a href="ContentResponse.html" title="interface in org.eclipse.jetty.client.api">ContentResponse</a>&nbsp;response,
<a href="Authentication.HeaderInfo.html" title="class in org.eclipse.jetty.client.api">Authentication.HeaderInfo</a>&nbsp;headerInfo,
<a href="../../util/Attributes.html" title="interface in org.eclipse.jetty.util">Attributes</a>&nbsp;context)</pre>
<div class="block">Executes the authentication mechanism for the given request, returning a <a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication.Result</code></a> that can be
used to actually authenticate the request via <a href="Authentication.Result.html#apply(org.eclipse.jetty.client.api.Request)"><code>Authentication.Result.apply(Request)</code></a>.
<p>
If a request for <code>"/secure"</code> returns a <a href="Authentication.Result.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication.Result</code></a>, then the result may be used for other
requests such as <code>"/secure/foo"</code> or <code>"/secure/bar"</code>, unless those resources are protected
by other realms.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the request to execute the authentication mechanism for</dd>
<dd><code>response</code> - the 401 response obtained in the previous attempt to request the protected resource</dd>
<dd><code>headerInfo</code> - the <code>WWW-Authenticate</code> (or <code>Proxy-Authenticate</code>) header chosen for this
authentication (among the many that the response may contain)</dd>
<dd><code>context</code> - the conversation context in case the authentication needs multiple exchanges
to be completed and information needs to be stored across exchanges</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the authentication result, or null if the authentication could not be performed</dd>
</dl>
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