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| <div class="subTitle">org.eclipse.jetty.servlets</div> |
| <h2 title="Class ConcatServlet" class="title">Class ConcatServlet</h2> |
| </div> |
| <div class="contentContainer"> |
| <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.servlets.ConcatServlet</li> |
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| <br> |
| <pre>public class <span class="typeNameLabel">ConcatServlet</span> |
| extends javax.servlet.http.HttpServlet</pre> |
| <div class="block"><p>This servlet may be used to concatenate multiple resources into |
| a single response.</p> |
| <p>It is intended to be used to load multiple |
| javascript or css files, but may be used for any content of the |
| same mime type that can be meaningfully concatenated.</p> |
| <p>The servlet uses <code>RequestDispatcher.include(javax.servlet.ServletRequest, javax.servlet.ServletResponse)</code> |
| to combine the requested content, so dynamically generated content |
| may be combined (Eg engine.js for DWR).</p> |
| <p>The servlet uses parameter names of the query string as resource names |
| relative to the context root. So these script tags:</p> |
| <pre> |
| <script type="text/javascript" src="../js/behaviour.js"></script> |
| <script type="text/javascript" src="../js/ajax.js"></script> |
| <script type="text/javascript" src="../chat/chat.js"></script> |
| </pre> |
| <p>can be replaced with the single tag (with the <code>ConcatServlet</code> |
| mapped to <code>/concat</code>):</p> |
| <pre> |
| <script type="text/javascript" src="../concat?/js/behaviour.js&/js/ajax.js&/chat/chat.js"></script> |
| </pre> |
| <p>The <code>ServletContext.getMimeType(String)</code> method is used to determine the |
| mime type of each resource. If the types of all resources do not match, then a 415 |
| UNSUPPORTED_MEDIA_TYPE error is returned.</p> |
| <p>If the init parameter <code>development</code> is set to <code>true</code> then the servlet |
| will run in development mode and the content will be concatenated on every request.</p> |
| <p>Otherwise the init time of the servlet is used as the lastModifiedTime of the combined content |
| and If-Modified-Since requests are handled with 304 NOT Modified responses if |
| appropriate. This means that when not in development mode, the servlet must be |
| restarted before changed content will be served.</p></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../serialized-form.html#org.eclipse.jetty.servlets.ConcatServlet">Serialized Form</a></dd> |
| </dl> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/jetty/servlets/ConcatServlet.html#ConcatServlet--">ConcatServlet</a></span>()</code> </td> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/jetty/servlets/ConcatServlet.html#doGet-javax.servlet.http.HttpServletRequest-javax.servlet.http.HttpServletResponse-">doGet</a></span>(javax.servlet.http.HttpServletRequest request, |
| javax.servlet.http.HttpServletResponse response)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/jetty/servlets/ConcatServlet.html#getLastModified-javax.servlet.http.HttpServletRequest-">getLastModified</a></span>(javax.servlet.http.HttpServletRequest req)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/jetty/servlets/ConcatServlet.html#init--">init</a></span>()</code> </td> |
| </tr> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class javax.servlet.http.HttpServlet</h3> |
| <code>doDelete, doHead, doOptions, doPost, doPut, doTrace, service, service</code></li> |
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| </a> |
| <h3>Methods inherited from class javax.servlet.GenericServlet</h3> |
| <code>destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log</code></li> |
| </ul> |
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| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
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| <h3>Constructor Detail</h3> |
| <a name="ConcatServlet--"> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>ConcatServlet</h4> |
| <pre>public ConcatServlet()</pre> |
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| <h4>init</h4> |
| <pre>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> |
| </dl> |
| </li> |
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| <a name="getLastModified-javax.servlet.http.HttpServletRequest-"> |
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| <h4>getLastModified</h4> |
| <pre>protected long getLastModified(javax.servlet.http.HttpServletRequest req)</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code>getLastModified</code> in class <code>javax.servlet.http.HttpServlet</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="doGet-javax.servlet.http.HttpServletRequest-javax.servlet.http.HttpServletResponse-"> |
| <!-- --> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>doGet</h4> |
| <pre>protected void doGet(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>doGet</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> |
| </dl> |
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