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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.eclipse.jetty.websocket.servlet</a></div> |
| <h2 title="Class WebSocketServlet" class="title">Class WebSocketServlet</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>javax.servlet.GenericServlet</li> |
| <li> |
| <ul class="inheritance"> |
| <li>javax.servlet.http.HttpServlet</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.eclipse.jetty.websocket.servlet.WebSocketServlet</li> |
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| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="../../embedded/WebSocketServer.EchoServlet.html" title="class in org.eclipse.jetty.embedded">WebSocketServer.EchoServlet</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">WebSocketServlet</span> |
| extends javax.servlet.http.HttpServlet</pre> |
| <div class="block">Abstract Servlet used to bridge the Servlet API to the WebSocket API. |
| <p> |
| To use this servlet, you will be required to register your websockets with the <a href="WebSocketServletFactory.html" title="interface in org.eclipse.jetty.websocket.servlet"><code>WebSocketServletFactory</code></a> so that it can create your websockets under the |
| appropriate conditions. |
| <p> |
| The most basic implementation would be as follows. |
| |
| <pre> |
| package my.example; |
| |
| import org.eclipse.jetty.websocket.servlet.WebSocketServlet; |
| import org.eclipse.jetty.websocket.servlet.WebSocketServletFactory; |
| |
| public class MyEchoServlet extends WebSocketServlet |
| { |
| @Override |
| public void configure(WebSocketServletFactory factory) |
| { |
| // set a 10 second idle timeout |
| factory.getPolicy().setIdleTimeout(10000); |
| // register my socket |
| factory.register(MyEchoSocket.class); |
| } |
| } |
| </pre> |
| |
| Note: that only request that conforms to a "WebSocket: Upgrade" handshake request will trigger the <a href="WebSocketServletFactory.html" title="interface in org.eclipse.jetty.websocket.servlet"><code>WebSocketServletFactory</code></a> handling of creating |
| WebSockets.<br> |
| All other requests are treated as normal servlet requests. |
| |
| <p> |
| <b>Configuration / Init-Parameters:</b><br> |
| Note: If you use the <a href="../api/annotations/WebSocket.html" title="annotation in org.eclipse.jetty.websocket.api.annotations"><code>@WebSocket</code></a> annotation, these configuration settings can be specified on a per WebSocket basis, vs a per Servlet |
| basis. |
| |
| <dl> |
| <dt>maxIdleTime</dt> |
| <dd>set the time in ms that a websocket may be idle before closing<br> |
| |
| <dt>maxTextMessageSize</dt> |
| <dd>set the size in UTF-8 bytes that a websocket may be accept as a Text Message before closing<br> |
| |
| <dt>maxBinaryMessageSize</dt> |
| <dd>set the size in bytes that a websocket may be accept as a Binary Message before closing<br> |
| |
| <dt>inputBufferSize</dt> |
| <dd>set the size in bytes of the buffer used to read raw bytes from the network layer<br> |
| </dl></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.eclipse.jetty.websocket.servlet.WebSocketServlet">Serialized Form</a></dd> |
| </dl> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">WebSocketServlet</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <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>abstract void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#configure(org.eclipse.jetty.websocket.servlet.WebSocketServletFactory)">configure</a></span>​(<a href="WebSocketServletFactory.html" title="interface in org.eclipse.jetty.websocket.servlet">WebSocketServletFactory</a> factory)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#destroy()">destroy</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#init()">init</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#service(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)">service</a></span>​(javax.servlet.http.HttpServletRequest request, |
| javax.servlet.http.HttpServletResponse response)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class javax.servlet.http.HttpServlet</h3> |
| <code>doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service</code></li> |
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| <h3>Methods inherited from class javax.servlet.GenericServlet</h3> |
| <code>getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log</code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
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| <h3>Constructor Detail</h3> |
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| <h4>WebSocketServlet</h4> |
| <pre>public WebSocketServlet()</pre> |
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| <a id="configure(org.eclipse.jetty.websocket.servlet.WebSocketServletFactory)"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>configure</h4> |
| <pre class="methodSignature">public abstract void configure​(<a href="WebSocketServletFactory.html" title="interface in org.eclipse.jetty.websocket.servlet">WebSocketServletFactory</a> factory)</pre> |
| </li> |
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| <h4>destroy</h4> |
| <pre class="methodSignature">public void destroy()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>destroy</code> in interface <code>javax.servlet.Servlet</code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>destroy</code> in class <code>javax.servlet.GenericServlet</code></dd> |
| </dl> |
| </li> |
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| <h4>init</h4> |
| <pre class="methodSignature">public void init() |
| throws javax.servlet.ServletException</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>init</code> in class <code>javax.servlet.GenericServlet</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>javax.servlet.ServletException</code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>GenericServlet.init()</code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <!-- --> |
| </a> |
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| <h4>service</h4> |
| <pre class="methodSignature">protected void service​(javax.servlet.http.HttpServletRequest request, |
| javax.servlet.http.HttpServletResponse response) |
| throws javax.servlet.ServletException, |
| java.io.IOException</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>service</code> in class <code>javax.servlet.http.HttpServlet</code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>javax.servlet.ServletException</code></dd> |
| <dd><code>java.io.IOException</code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><code>HttpServlet.service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)</code></dd> |
| </dl> |
| </li> |
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