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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.eclipse.jetty.websocket.common.extensions</a></div>
<h2 title="Class AbstractExtension" class="title">Class AbstractExtension</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
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<li><a href="../../../util/component/AbstractLifeCycle.html" title="class in org.eclipse.jetty.util.component">org.eclipse.jetty.util.component.AbstractLifeCycle</a></li>
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<ul class="inheritance">
<li>org.eclipse.jetty.websocket.common.extensions.AbstractExtension</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../../../util/component/LifeCycle.html" title="interface in org.eclipse.jetty.util.component">LifeCycle</a></code>, <code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code>, <code><a href="../../api/extensions/IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a></code>, <code><a href="../../api/extensions/OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a></code></dd>
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<dt>Direct Known Subclasses:</dt>
<dd><code><a href="compress/CompressExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.compress">CompressExtension</a></code>, <code><a href="fragment/FragmentExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.fragment">FragmentExtension</a></code>, <code><a href="FrameCaptureExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions">FrameCaptureExtension</a></code>, <code><a href="identity/IdentityExtension.html" title="class in org.eclipse.jetty.websocket.common.extensions.identity">IdentityExtension</a></code></dd>
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<pre><a href="../../../util/annotation/ManagedObject.html" title="annotation in org.eclipse.jetty.util.annotation">@ManagedObject</a>("Abstract Extension")
public abstract class <span class="typeNameLabel">AbstractExtension</span>
extends <a href="../../../util/component/AbstractLifeCycle.html" title="class in org.eclipse.jetty.util.component">AbstractLifeCycle</a>
implements <a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></pre>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.eclipse.jetty.util.component.<a href="../../../util/component/AbstractLifeCycle.html" title="class in org.eclipse.jetty.util.component">AbstractLifeCycle</a></h3>
<code><a href="../../../util/component/AbstractLifeCycle.AbstractLifeCycleListener.html" title="class in org.eclipse.jetty.util.component">AbstractLifeCycle.AbstractLifeCycleListener</a></code></li>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.eclipse.jetty.util.component.<a href="../../../util/component/LifeCycle.html" title="interface in org.eclipse.jetty.util.component">LifeCycle</a></h3>
<code><a href="../../../util/component/LifeCycle.Listener.html" title="interface in org.eclipse.jetty.util.component">LifeCycle.Listener</a></code></li>
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<h3>Fields inherited from class&nbsp;org.eclipse.jetty.util.component.<a href="../../../util/component/AbstractLifeCycle.html" title="class in org.eclipse.jetty.util.component">AbstractLifeCycle</a></h3>
<code><a href="../../../util/component/AbstractLifeCycle.html#FAILED">FAILED</a>, <a href="../../../util/component/AbstractLifeCycle.html#RUNNING">RUNNING</a>, <a href="../../../util/component/AbstractLifeCycle.html#STARTED">STARTED</a>, <a href="../../../util/component/AbstractLifeCycle.html#STARTING">STARTING</a>, <a href="../../../util/component/AbstractLifeCycle.html#STOPPED">STOPPED</a>, <a href="../../../util/component/AbstractLifeCycle.html#STOPPING">STOPPING</a></code></li>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">AbstractExtension</a></span>()</code></th>
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<h3>Method Summary</h3>
<table class="memberSummary">
<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><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated 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="../../../io/ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getBufferPool()">getBufferPool</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../api/extensions/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="i2" class="altColor">
<td class="colFirst"><code><a href="../LogicalConnection.html" title="interface in org.eclipse.jetty.websocket.common">LogicalConnection</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConnection()">getConnection</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" 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="i4" class="altColor">
<td class="colFirst"><code><a href="../../api/extensions/IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNextIncoming()">getNextIncoming</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../api/extensions/OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNextOutgoing()">getNextOutgoing</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../api/WebSocketPolicy.html" title="class in org.eclipse.jetty.websocket.api">WebSocketPolicy</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPolicy()">getPolicy</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#init(org.eclipse.jetty.websocket.api.WebSocketPolicy,org.eclipse.jetty.io.ByteBufferPool)">init</a></span>&#8203;(<a href="../../api/WebSocketPolicy.html" title="class in org.eclipse.jetty.websocket.api">WebSocketPolicy</a>&nbsp;policy,
<a href="../../../io/ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a>&nbsp;bufferPool)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#init(org.eclipse.jetty.websocket.common.scopes.WebSocketContainerScope)">init</a></span>&#8203;(<a href="../scopes/WebSocketContainerScope.html" title="interface in org.eclipse.jetty.websocket.common.scopes">WebSocketContainerScope</a>&nbsp;container)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
</td>
</tr>
<tr id="i9" class="rowColor">
<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="i10" class="altColor">
<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="i11" class="rowColor">
<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="i12" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextIncomingFrame(org.eclipse.jetty.websocket.api.extensions.Frame)">nextIncomingFrame</a></span>&#8203;(<a href="../../api/extensions/Frame.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Frame</a>&nbsp;frame)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextOutgoingFrame(org.eclipse.jetty.websocket.api.extensions.Frame,org.eclipse.jetty.websocket.api.WriteCallback,org.eclipse.jetty.websocket.api.BatchMode)">nextOutgoingFrame</a></span>&#8203;(<a href="../../api/extensions/Frame.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Frame</a>&nbsp;frame,
<a href="../../api/WriteCallback.html" title="interface in org.eclipse.jetty.websocket.api">WriteCallback</a>&nbsp;callback,
<a href="../../api/BatchMode.html" title="enum in org.eclipse.jetty.websocket.api">BatchMode</a>&nbsp;batchMode)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setBufferPool(org.eclipse.jetty.io.ByteBufferPool)">setBufferPool</a></span>&#8203;(<a href="../../../io/ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a>&nbsp;bufferPool)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setConfig(org.eclipse.jetty.websocket.api.extensions.ExtensionConfig)">setConfig</a></span>&#8203;(<a href="../../api/extensions/ExtensionConfig.html" title="class in org.eclipse.jetty.websocket.api.extensions">ExtensionConfig</a>&nbsp;config)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setConnection(org.eclipse.jetty.websocket.common.LogicalConnection)">setConnection</a></span>&#8203;(<a href="../LogicalConnection.html" title="interface in org.eclipse.jetty.websocket.common">LogicalConnection</a>&nbsp;connection)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i17" 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="../../api/extensions/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="../../api/extensions/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="i18" 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="../../api/extensions/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="../../api/extensions/OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions"><code>OutgoingFrames</code></a> to call in the chain.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setPolicy(org.eclipse.jetty.websocket.api.WebSocketPolicy)">setPolicy</a></span>&#8203;(<a href="../../api/WebSocketPolicy.html" title="class in org.eclipse.jetty.websocket.api">WebSocketPolicy</a>&nbsp;policy)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
</table>
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<h3>Methods inherited from class&nbsp;org.eclipse.jetty.util.component.<a href="../../../util/component/AbstractLifeCycle.html" title="class in org.eclipse.jetty.util.component">AbstractLifeCycle</a></h3>
<code><a href="../../../util/component/AbstractLifeCycle.html#addLifeCycleListener(org.eclipse.jetty.util.component.LifeCycle.Listener)">addLifeCycleListener</a>, <a href="../../../util/component/AbstractLifeCycle.html#doStart()">doStart</a>, <a href="../../../util/component/AbstractLifeCycle.html#doStop()">doStop</a>, <a href="../../../util/component/AbstractLifeCycle.html#getState()">getState</a>, <a href="../../../util/component/AbstractLifeCycle.html#getState(org.eclipse.jetty.util.component.LifeCycle)">getState</a>, <a href="../../../util/component/AbstractLifeCycle.html#getStopTimeout()">getStopTimeout</a>, <a href="../../../util/component/AbstractLifeCycle.html#isFailed()">isFailed</a>, <a href="../../../util/component/AbstractLifeCycle.html#isRunning()">isRunning</a>, <a href="../../../util/component/AbstractLifeCycle.html#isStarted()">isStarted</a>, <a href="../../../util/component/AbstractLifeCycle.html#isStarting()">isStarting</a>, <a href="../../../util/component/AbstractLifeCycle.html#isStopped()">isStopped</a>, <a href="../../../util/component/AbstractLifeCycle.html#isStopping()">isStopping</a>, <a href="../../../util/component/AbstractLifeCycle.html#removeLifeCycleListener(org.eclipse.jetty.util.component.LifeCycle.Listener)">removeLifeCycleListener</a>, <a href="../../../util/component/AbstractLifeCycle.html#setStopTimeout(long)">setStopTimeout</a>, <a href="../../../util/component/AbstractLifeCycle.html#start()">start</a>, <a href="../../../util/component/AbstractLifeCycle.html#stop()">stop</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Methods inherited from interface&nbsp;org.eclipse.jetty.websocket.api.extensions.<a href="../../api/extensions/IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a></h3>
<code><a href="../../api/extensions/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="../../api/extensions/OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a></h3>
<code><a href="../../api/extensions/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>Constructor Detail</h3>
<a id="&lt;init&gt;()">
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<h4>AbstractExtension</h4>
<pre>public&nbsp;AbstractExtension()</pre>
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<pre class="methodSignature">@Deprecated
public&nbsp;void&nbsp;init&#8203;(<a href="../scopes/WebSocketContainerScope.html" title="interface in org.eclipse.jetty.websocket.common.scopes">WebSocketContainerScope</a>&nbsp;container)</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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<pre class="methodSignature">public&nbsp;void&nbsp;init&#8203;(<a href="../../api/WebSocketPolicy.html" title="class in org.eclipse.jetty.websocket.api">WebSocketPolicy</a>&nbsp;policy,
<a href="../../../io/ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a>&nbsp;bufferPool)</pre>
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<pre class="methodSignature">public&nbsp;<a href="../../../io/ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a>&nbsp;getBufferPool()</pre>
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<pre class="methodSignature">public&nbsp;<a href="../../api/extensions/ExtensionConfig.html" title="class in org.eclipse.jetty.websocket.api.extensions">ExtensionConfig</a>&nbsp;getConfig()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../api/extensions/Extension.html#getConfig()">Extension</a></code></span></div>
<div class="block">The active configuration for this extension.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#getConfig()">getConfig</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the configuration for this extension. never null.</dd>
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<h4>getConnection</h4>
<pre class="methodSignature">public&nbsp;<a href="../LogicalConnection.html" title="interface in org.eclipse.jetty.websocket.common">LogicalConnection</a>&nbsp;getConnection()</pre>
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<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getName()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../api/extensions/Extension.html#getName()">Extension</a></code></span></div>
<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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#getName()">getName</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the name of the extension</dd>
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<pre class="methodSignature"><a href="../../../util/annotation/ManagedAttribute.html" title="annotation in org.eclipse.jetty.util.annotation">@ManagedAttribute</a>(<a href="../../../util/annotation/ManagedAttribute.html#name()">name</a>="Next Incoming Frame Handler",
<a href="../../../util/annotation/ManagedAttribute.html#readonly()">readonly</a>=true)
public&nbsp;<a href="../../api/extensions/IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a>&nbsp;getNextIncoming()</pre>
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<pre class="methodSignature"><a href="../../../util/annotation/ManagedAttribute.html" title="annotation in org.eclipse.jetty.util.annotation">@ManagedAttribute</a>(<a href="../../../util/annotation/ManagedAttribute.html#name()">name</a>="Next Outgoing Frame Handler",
<a href="../../../util/annotation/ManagedAttribute.html#readonly()">readonly</a>=true)
public&nbsp;<a href="../../api/extensions/OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a>&nbsp;getNextOutgoing()</pre>
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<pre class="methodSignature">public&nbsp;<a href="../../api/WebSocketPolicy.html" title="class in org.eclipse.jetty.websocket.api">WebSocketPolicy</a>&nbsp;getPolicy()</pre>
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<pre class="methodSignature">public&nbsp;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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#isRsv1User()">isRsv1User</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if extension uses RSV1 for its own purposes.</dd>
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<pre class="methodSignature">public&nbsp;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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#isRsv2User()">isRsv2User</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if extension uses RSV2 for its own purposes.</dd>
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<pre class="methodSignature">public&nbsp;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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#isRsv3User()">isRsv3User</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if extension uses RSV3 for its own purposes.</dd>
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<pre class="methodSignature">protected&nbsp;void&nbsp;nextIncomingFrame&#8203;(<a href="../../api/extensions/Frame.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Frame</a>&nbsp;frame)</pre>
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<pre class="methodSignature">protected&nbsp;void&nbsp;nextOutgoingFrame&#8203;(<a href="../../api/extensions/Frame.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Frame</a>&nbsp;frame,
<a href="../../api/WriteCallback.html" title="interface in org.eclipse.jetty.websocket.api">WriteCallback</a>&nbsp;callback,
<a href="../../api/BatchMode.html" title="enum in org.eclipse.jetty.websocket.api">BatchMode</a>&nbsp;batchMode)</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;setBufferPool&#8203;(<a href="../../../io/ByteBufferPool.html" title="interface in org.eclipse.jetty.io">ByteBufferPool</a>&nbsp;bufferPool)</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;setConfig&#8203;(<a href="../../api/extensions/ExtensionConfig.html" title="class in org.eclipse.jetty.websocket.api.extensions">ExtensionConfig</a>&nbsp;config)</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;setConnection&#8203;(<a href="../LogicalConnection.html" title="interface in org.eclipse.jetty.websocket.common">LogicalConnection</a>&nbsp;connection)</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;setNextIncomingFrames&#8203;(<a href="../../api/extensions/IncomingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">IncomingFrames</a>&nbsp;nextIncoming)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../api/extensions/Extension.html#setNextIncomingFrames(org.eclipse.jetty.websocket.api.extensions.IncomingFrames)">Extension</a></code></span></div>
<div class="block">Set the next <a href="../../api/extensions/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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#setNextIncomingFrames(org.eclipse.jetty.websocket.api.extensions.IncomingFrames)">setNextIncomingFrames</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nextIncoming</code> - the next incoming extension</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;setNextOutgoingFrames&#8203;(<a href="../../api/extensions/OutgoingFrames.html" title="interface in org.eclipse.jetty.websocket.api.extensions">OutgoingFrames</a>&nbsp;nextOutgoing)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../api/extensions/Extension.html#setNextOutgoingFrames(org.eclipse.jetty.websocket.api.extensions.OutgoingFrames)">Extension</a></code></span></div>
<div class="block">Set the next <a href="../../api/extensions/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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../api/extensions/Extension.html#setNextOutgoingFrames(org.eclipse.jetty.websocket.api.extensions.OutgoingFrames)">setNextOutgoingFrames</a></code>&nbsp;in interface&nbsp;<code><a href="../../api/extensions/Extension.html" title="interface in org.eclipse.jetty.websocket.api.extensions">Extension</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nextOutgoing</code> - the next outgoing extension</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;setPolicy&#8203;(<a href="../../api/WebSocketPolicy.html" title="class in org.eclipse.jetty.websocket.api">WebSocketPolicy</a>&nbsp;policy)</pre>
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<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;toString()</pre>
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<dd><code><a href="../../../util/component/AbstractLifeCycle.html#toString()">toString</a></code>&nbsp;in class&nbsp;<code><a href="../../../util/component/AbstractLifeCycle.html" title="class in org.eclipse.jetty.util.component">AbstractLifeCycle</a></code></dd>
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