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   <title>Resource Handler</title><link rel="stylesheet" type="text/css" href="css/docbook.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><meta name="keywords" content="jetty, servlet, servlet-api, cometd, http, websocket, eclipse, maven, java, server, software"><link rel="home" href="index.html" title="Jetty"><link rel="up" href="advanced-extras.html" title="Chapter&nbsp;18.&nbsp;Provided Servlets, Filters, and Handlers"><link rel="prev" href="cross-origin-filter.html" title="Cross Origin Filter"><link rel="next" href="debug-handler.html" title="Debug Handler"><link xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" rel="shortcut icon" href="images/favicon.ico"><link rel="stylesheet" href="css/highlighter/foundation.css"><script src="js/highlight.pack.js"></script><script>
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            Version: 9.3.28.v20191105</span></td><td style="width: 50%"></td></tr></table><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Resource Handler</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="cross-origin-filter.html"><i class="fa fa-chevron-left" aria-hidden="true"></i> Previous</a>&nbsp;</td><th width="60%" align="center">Chapter&nbsp;18.&nbsp;Provided Servlets, Filters, and Handlers<br><a accesskey="p" href="index.html"><i class="fa fa-home" aria-hidden="true"></i> Home</a></th><td width="20%" align="right">&nbsp;<a accesskey="n" href="debug-handler.html">Next <i class="fa fa-chevron-right" aria-hidden="true"></i></a></td></tr></table><hr></div><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="jetty-callout"><h5 class="callout"><a href="http://www.webtide.com/">Contact the core Jetty developers at
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      </p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="resource-handler"></a>Resource Handler</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="section"><a href="resource-handler.html#resource-handler-metadata">Info</a></span></dt><dt><span class="section"><a href="resource-handler.html#resource-handler-usage">Usage</a></span></dt><dt><span class="section"><a href="resource-handler.html#_improving_the_look_and_feel">Improving the Look and Feel</a></span></dt><dt><span class="section"><a href="resource-handler.html#_embedded_example">Embedded Example</a></span></dt></dl></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="resource-handler-metadata"></a>Info</h3></div></div></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">Classname: <code class="literal">org.eclipse.jetty.server.handler.ResourceHandler</code></li><li class="listitem">Maven Artifact: org.eclipse.jetty:jetty-server</li><li class="listitem">Javadoc: <a class="link" href="http://www.eclipse.org/jetty/javadoc/9.3.28.v20191105/org/eclipse/jetty/server/handler/ResourceHandler.html" target="_top">http://www.eclipse.org/jetty/javadoc/9.3.28.v20191105/org/eclipse/jetty/server/handler/ResourceHandler.html</a></li></ul></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="resource-handler-usage"></a>Usage</h3></div></div></div><p>This handler will serve static content and handle If-Modified-Since headers and is suitable for simple serving of static content.</p><div class="blockquote"><blockquote class="blockquote"><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="important" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title"><i class="fa fa-plus" aria-hidden="true"></i> Important</h3><p>There is no caching done with this handler, so if you are looking for a more fully featured way of serving static content look to the <a class="xref" href="advanced-extras.html#default-servlet" title="Default Servlet">Default Servlet</a>.</p></div></blockquote></div><div class="blockquote"><blockquote class="blockquote"><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title"><i class="fa fa-asterisk" aria-hidden="true"></i> Note</h3><p>Requests for resources that do not exist are let pass (Eg no 404&#8217;s).</p></div></blockquote></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_improving_the_look_and_feel"></a>Improving the Look and Feel</h3></div></div></div><p>The resource handler has a default stylesheet which you can change by calling <code class="literal">setStyleSheet(String location)</code> with the location of a file on the system that it can locate through the resource loading system.
The default css is called <code class="literal">jetty-dir.css</code> and is located in the <code class="literal">jetty-util</code> package, pulled as a classpath resource from the <code class="literal">jetty-util</code> jar when requested through the <code class="literal">ResourceHandler</code>.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_embedded_example"></a>Embedded Example</h3></div></div></div><p>The following is an example of a split fileserver, able to serve static content from multiple directory locations.
Since this handler does not return 404&#8217;s on content you are able to iteratively try multiple resource handlers to resolve content.</p><pre xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times"><code>//
//  ========================================================================
//  Copyright (c) 1995-2018 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.embedded;

import java.io.File;

import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.server.handler.ContextHandlerCollection;
import org.eclipse.jetty.server.handler.ResourceHandler;
import org.eclipse.jetty.toolchain.test.MavenTestingUtils;
import org.eclipse.jetty.util.resource.Resource;

/**
 * A {@link ContextHandlerCollection} handler may be used to direct a request to
 * a specific Context. The URI path prefix and optional virtual host is used to
 * select the context.
 */
public class SplitFileServer
{
    public static void main( String[] args ) throws Exception
    {
        // Create the Server object and a corresponding ServerConnector and then
        // set the port for the connector. In this example the server will
        // listen on port 8090. If you set this to port 0 then when the server
        // has been started you can called connector.getLocalPort() to
        // programmatically get the port the server started on.
        Server server = new Server();
        ServerConnector connector = new ServerConnector(server);
        connector.setPort(8090);
        server.setConnectors(new Connector[] { connector });

        // Create a Context Handler and ResourceHandler. The ContextHandler is
        // getting set to "/" path but this could be anything you like for
        // builing out your url. Note how we are setting the ResourceBase using
        // our jetty maven testing utilities to get the proper resource
        // directory, you needn't use these, you simply need to supply the paths
        // you are looking to serve content from.
        ResourceHandler rh0 = new ResourceHandler();

        ContextHandler context0 = new ContextHandler();
        context0.setContextPath("/");
        File dir0 = MavenTestingUtils.getTestResourceDir("dir0");
        context0.setBaseResource(Resource.newResource(dir0));
        context0.setHandler(rh0);

        // Rinse and repeat the previous item, only specifying a different
        // resource base.
        ResourceHandler rh1 = new ResourceHandler();

        ContextHandler context1 = new ContextHandler();
        context1.setContextPath("/");
        File dir1 = MavenTestingUtils.getTestResourceDir("dir1");
        context1.setBaseResource(Resource.newResource(dir1));
        context1.setHandler(rh1);

        // Create a ContextHandlerCollection and set the context handlers to it.
        // This will let jetty process urls against the declared contexts in
        // order to match up content.
        ContextHandlerCollection contexts = new ContextHandlerCollection();
        contexts.setHandlers(new Handler[] { context0, context1 });

        server.setHandler(contexts);

        // Start things up!
        server.start();

        // Dump the server state
        System.out.println(server.dump());

        // The use of server.join() the will make the current thread join and
        // wait until the server is done executing.
        // See http://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html#join()
        server.join();
    }
}</code></pre></div></div><script type="text/javascript">
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