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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.eclipse.jetty.websocket.api.extensions</a></div>
<h2 title="Interface Extension" class="title">Interface Extension</h2>
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<dt>All Superinterfaces:</dt>
<dd><code><a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a></code>, <code><a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a></code></dd>
</dl>
<dl>
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="../../common/extensions/AbstractExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions">AbstractExtension</a></code>, <code><a href="../../common/extensions/compress/CompressExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.compress">CompressExtension</a></code>, <code><a href="../../common/extensions/compress/DeflateFrameExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.compress">DeflateFrameExtension</a></code>, <code><a href="../../common/extensions/fragment/FragmentExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.fragment">FragmentExtension</a></code>, <code><a href="../../common/extensions/FrameCaptureExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions">FrameCaptureExtension</a></code>, <code><a href="../../common/extensions/identity/IdentityExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.identity">IdentityExtension</a></code>, <code><a href="../../common/extensions/compress/PerMessageDeflateExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.compress">PerMessageDeflateExtension</a></code>, <code><a href="../../common/extensions/compress/XWebkitDeflateFrameExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.compress">XWebkitDeflateFrameExtension</a></code></dd>
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<pre>public interface <span class="typeNameLabel">Extension</span>
extends <a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a>, <a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a></pre>
<div class="block">Interface for WebSocket Extensions.
<p>
That <a href="Frame.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>Frame</code></a>s are passed through the Extension via the <a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>IncomingFrames</code></a> and <a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>OutgoingFrames</code></a> interfaces</div>
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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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="ExtensionConfig.html" title="class in org.eclipse.jetty.websocket.api.extensions">ExtensionConfig</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConfig()">getConfig</a></span>()</code></th>
<td class="colLast">
<div class="block">The active configuration for this extension.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getName()">getName</a></span>()</code></th>
<td class="colLast">
<div class="block">The <code>Sec-WebSocket-Extensions</code> name for this extension.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isRsv1User()">isRsv1User</a></span>()</code></th>
<td class="colLast">
<div class="block">Used to indicate that the extension makes use of the RSV1 bit of the base websocket framing.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isRsv2User()">isRsv2User</a></span>()</code></th>
<td class="colLast">
<div class="block">Used to indicate that the extension makes use of the RSV2 bit of the base websocket framing.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isRsv3User()">isRsv3User</a></span>()</code></th>
<td class="colLast">
<div class="block">Used to indicate that the extension makes use of the RSV3 bit of the base websocket framing.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setNextIncomingFrames(org.eclipse.jetty.websocket.api.extensions.IncomingFrames)">setNextIncomingFrames</a></span>&#8203;(<a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a>&nbsp;nextIncoming)</code></th>
<td class="colLast">
<div class="block">Set the next <a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>IncomingFrames</code></a> to call in the chain.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setNextOutgoingFrames(org.eclipse.jetty.websocket.api.extensions.OutgoingFrames)">setNextOutgoingFrames</a></span>&#8203;(<a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a>&nbsp;nextOutgoing)</code></th>
<td class="colLast">
<div class="block">Set the next <a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>OutgoingFrames</code></a> to call in the chain.</div>
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<h3>Methods inherited from interface&nbsp;org.eclipse.jetty.websocket.api.extensions.<a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a></h3>
<code><a href="IncomingFrames.html#incomingFrame(org.eclipse.jetty.websocket.api.extensions.Frame)">incomingFrame</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.eclipse.jetty.websocket.api.extensions.<a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a></h3>
<code><a href="OutgoingFrames.html#outgoingFrame(org.eclipse.jetty.websocket.api.extensions.Frame,org.eclipse.jetty.websocket.api.WriteCallback,org.eclipse.jetty.websocket.api.BatchMode)">outgoingFrame</a></code></li>
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<h3>Method Detail</h3>
<a id="getConfig()">
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<h4>getConfig</h4>
<pre class="methodSignature"><a href="ExtensionConfig.html" title="class in org.eclipse.jetty.websocket.api.extensions">ExtensionConfig</a>&nbsp;getConfig()</pre>
<div class="block">The active configuration for this extension.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the configuration for this extension. never null.</dd>
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<h4>getName</h4>
<pre class="methodSignature">java.lang.String&nbsp;getName()</pre>
<div class="block">The <code>Sec-WebSocket-Extensions</code> name for this extension.
<p>
Also known as the <a href="https://tools.ietf.org/html/rfc6455#section-9.1"><code>extension-token</code> per Section 9.1. Negotiating Extensions</a>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the name of the extension</dd>
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<h4>isRsv1User</h4>
<pre class="methodSignature">boolean&nbsp;isRsv1User()</pre>
<div class="block">Used to indicate that the extension makes use of the RSV1 bit of the base websocket framing.
<p>
This is used to adjust validation during parsing, as well as a checkpoint against 2 or more extensions all simultaneously claiming ownership of RSV1.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if extension uses RSV1 for its own purposes.</dd>
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<h4>isRsv2User</h4>
<pre class="methodSignature">boolean&nbsp;isRsv2User()</pre>
<div class="block">Used to indicate that the extension makes use of the RSV2 bit of the base websocket framing.
<p>
This is used to adjust validation during parsing, as well as a checkpoint against 2 or more extensions all simultaneously claiming ownership of RSV2.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if extension uses RSV2 for its own purposes.</dd>
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<h4>isRsv3User</h4>
<pre class="methodSignature">boolean&nbsp;isRsv3User()</pre>
<div class="block">Used to indicate that the extension makes use of the RSV3 bit of the base websocket framing.
<p>
This is used to adjust validation during parsing, as well as a checkpoint against 2 or more extensions all simultaneously claiming ownership of RSV3.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if extension uses RSV3 for its own purposes.</dd>
</dl>
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<a id="setNextIncomingFrames(org.eclipse.jetty.websocket.api.extensions.IncomingFrames)">
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<h4>setNextIncomingFrames</h4>
<pre class="methodSignature">void&nbsp;setNextIncomingFrames&#8203;(<a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a>&nbsp;nextIncoming)</pre>
<div class="block">Set the next <a href="IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>IncomingFrames</code></a> to call in the chain.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nextIncoming</code> - the next incoming extension</dd>
</dl>
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<h4>setNextOutgoingFrames</h4>
<pre class="methodSignature">void&nbsp;setNextOutgoingFrames&#8203;(<a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a>&nbsp;nextOutgoing)</pre>
<div class="block">Set the next <a href="OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>OutgoingFrames</code></a> to call in the chain.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nextOutgoing</code> - the next outgoing extension</dd>
</dl>
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