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<h2 title="Interface Authentication" class="title">Interface Authentication</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../org/eclipse/jetty/client/util/AbstractAuthentication.html" title="class in org.eclipse.jetty.client.util">AbstractAuthentication</a>, <a href="../../../../../org/eclipse/jetty/client/util/BasicAuthentication.html" title="class in org.eclipse.jetty.client.util">BasicAuthentication</a>, <a href="../../../../../org/eclipse/jetty/client/util/DigestAuthentication.html" title="class in org.eclipse.jetty.client.util">DigestAuthentication</a></dd>
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<pre>public interface <span class="strong">Authentication</span></pre>
<div class="block"><a href="../../../../../org/eclipse/jetty/client/api/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="../../../../../org/eclipse/jetty/client/api/Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a>s are added to an <a href="../../../../../org/eclipse/jetty/client/api/AuthenticationStore.html" title="interface in org.eclipse.jetty.client.api"><code>AuthenticationStore</code></a>, which is then
<a href="../../../../../org/eclipse/jetty/client/api/Authentication.html#matches(java.lang.String,%20java.net.URI,%20java.lang.String)"><code>queried</code></a> to find the right
<a href="../../../../../org/eclipse/jetty/client/api/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="../../../../../org/eclipse/jetty/client/api/Authentication.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication</code></a> mechanism is found, it is then
<a href="../../../../../org/eclipse/jetty/client/api/Authentication.html#authenticate(org.eclipse.jetty.client.api.Request,%20org.eclipse.jetty.client.api.ContentResponse,%20org.eclipse.jetty.client.api.Authentication.HeaderInfo,%20org.eclipse.jetty.util.Attributes)"><code>executed</code></a> for the given request,
returning an <a href="../../../../../org/eclipse/jetty/client/api/Authentication.Result.html" title="interface in org.eclipse.jetty.client.api"><code>Authentication.Result</code></a>, which is then stored in the <a href="../../../../../org/eclipse/jetty/client/api/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>
<td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/api/Authentication.HeaderInfo.html" title="class in org.eclipse.jetty.client.api">Authentication.HeaderInfo</a></strong></code>
<div class="block">Structure holding information about the <code>WWW-Authenticate</code> (or <code>Proxy-Authenticate</code>) header.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/api/Authentication.Result.html" title="interface in org.eclipse.jetty.client.api">Authentication.Result</a></strong></code>
<div class="block"><a href="../../../../../org/eclipse/jetty/client/api/Result.html" title="class in org.eclipse.jetty.client.api"><code>Result</code></a> holds the information needed to authenticate a <a href="../../../../../org/eclipse/jetty/client/api/Request.html" title="interface in org.eclipse.jetty.client.api"><code>Request</code></a> via <a href="../../../../../org/eclipse/jetty/client/api/Authentication.Result.html#apply(org.eclipse.jetty.client.api.Request)"><code>Authentication.Result.apply(Request)</code></a>.</div>
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<td class="colFirst"><code><a href="../../../../../org/eclipse/jetty/client/api/Authentication.Result.html" title="interface in org.eclipse.jetty.client.api">Authentication.Result</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/api/Authentication.html#authenticate(org.eclipse.jetty.client.api.Request,%20org.eclipse.jetty.client.api.ContentResponse,%20org.eclipse.jetty.client.api.Authentication.HeaderInfo,%20org.eclipse.jetty.util.Attributes)">authenticate</a></strong>(<a href="../../../../../org/eclipse/jetty/client/api/Request.html" title="interface in org.eclipse.jetty.client.api">Request</a>&nbsp;request,
<a href="../../../../../org/eclipse/jetty/client/api/ContentResponse.html" title="interface in org.eclipse.jetty.client.api">ContentResponse</a>&nbsp;response,
<a href="../../../../../org/eclipse/jetty/client/api/Authentication.HeaderInfo.html" title="class in org.eclipse.jetty.client.api">Authentication.HeaderInfo</a>&nbsp;headerInfo,
<a href="../../../../../org/eclipse/jetty/util/Attributes.html" title="interface in org.eclipse.jetty.util">Attributes</a>&nbsp;context)</code>
<div class="block">Executes the authentication mechanism for the given request, returning a <a href="../../../../../org/eclipse/jetty/client/api/Result.html" title="class in org.eclipse.jetty.client.api"><code>Result</code></a> that can be
used to actually authenticate the request via <code>Result#apply(Request)</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/eclipse/jetty/client/api/Authentication.html#matches(java.lang.String,%20java.net.URI,%20java.lang.String)">matches</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;type,
<a href="http://docs.oracle.com/javase/7/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>&nbsp;uri,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;realm)</code>
<div class="block">Matches <a href="../../../../../org/eclipse/jetty/client/api/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>matches</h4>
<pre>boolean&nbsp;matches(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;type,
<a href="http://docs.oracle.com/javase/7/docs/api/java/net/URI.html?is-external=true" title="class or interface in java.net">URI</a>&nbsp;uri,
<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;realm)</pre>
<div class="block">Matches <a href="../../../../../org/eclipse/jetty/client/api/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="strong">Parameters:</span></dt><dd><code>type</code> - the <a href="../../../../../org/eclipse/jetty/client/api/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="strong">Returns:</span></dt><dd>true if this authentication matches, false otherwise</dd></dl>
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<a name="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><a href="../../../../../org/eclipse/jetty/client/api/Authentication.Result.html" title="interface in org.eclipse.jetty.client.api">Authentication.Result</a>&nbsp;authenticate(<a href="../../../../../org/eclipse/jetty/client/api/Request.html" title="interface in org.eclipse.jetty.client.api">Request</a>&nbsp;request,
<a href="../../../../../org/eclipse/jetty/client/api/ContentResponse.html" title="interface in org.eclipse.jetty.client.api">ContentResponse</a>&nbsp;response,
<a href="../../../../../org/eclipse/jetty/client/api/Authentication.HeaderInfo.html" title="class in org.eclipse.jetty.client.api">Authentication.HeaderInfo</a>&nbsp;headerInfo,
<a href="../../../../../org/eclipse/jetty/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="../../../../../org/eclipse/jetty/client/api/Result.html" title="class in org.eclipse.jetty.client.api"><code>Result</code></a> that can be
used to actually authenticate the request via <code>Result#apply(Request)</code>.
<p />
If a request for <code>"/secure"</code> returns a <a href="../../../../../org/eclipse/jetty/client/api/Result.html" title="class in org.eclipse.jetty.client.api"><code>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="strong">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="strong">Returns:</span></dt><dd>the authentication result, or null if the authentication could not be performed</dd></dl>
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