simplehttpserver.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="149" href="#149">149</a>         <strong>for</strong> (Iterator i = webapps.iterator(); i.hasNext();) {
<a name="150" href="#150">150</a>             addWebapp((String)i.next(), <strong>null</strong>, expandWebapps);
<a name="151" href="#151">151</a>         }
<a name="152" href="#152">152</a>         <strong>this</strong>.server.setRequestLog(getServerLogging());
<a name="153" href="#153">153</a>     }
<a name="154" href="#154">154</a>     
<a name="155" href="#155">155</a>     <em>/**<em>*</em></em>
<a name="156" href="#156">156</a> <em>     * Add a webapp.</em>
<a name="157" href="#157">157</a> <em>     * @param name Name of webapp to add.</em>
<a name="158" href="#158">158</a> <em>     * @param context Context to add the webapp on.</em>
<a name="159" href="#159">159</a> <em>     * @param expand True if we should expand the webapps.</em>
<a name="160" href="#160">160</a> <em>     * @throws IOException</em>
<a name="161" href="#161">161</a> <em>     */</em>
<a name="162" href="#162">162</a>     <strong>protected</strong> <strong>void</strong> addWebapp(String name, String context, <strong>boolean</strong> expand)
<a name="163" href="#163">163</a>     throws IOException {
<a name="164" href="#164">164</a>         File ptr = <strong>new</strong> File(getWARSPath(), name + <span class="string">".war"</span>);
<a name="165" href="#165">165</a>         <strong>if</strong> (!ptr.exists()) {
<a name="166" href="#166">166</a>             ptr = <strong>new</strong> File(getWARSPath(), name);
<a name="167" href="#167">167</a>             <strong>if</strong> (!ptr.exists()) {
<a name="168" href="#168">168</a>                 <strong>throw</strong> <strong>new</strong> FileNotFoundException(ptr.getAbsolutePath());
<a name="169" href="#169">169</a>             }
<a name="170" href="#170">170</a>         }
<a name="171" href="#171">171</a>         <em class="comment">// If webapp name is for root, mount it on '/', else '/WEBAPP_NAME'.</em>
<a name="172" href="#172">172</a>         <strong>if</strong> (context == <strong>null</strong> || context.length() &lt;= 0) {
<a name="173" href="#173">173</a>             context = <span class="string">"/"</span> + ((name.equals(ROOT_WEBAPP))? <span class="string">""</span>: name);
<a name="174" href="#174">174</a>         }
<a name="175" href="#175">175</a>         WebApplicationContext c =
<a name="176" href="#176">176</a>             <strong>this</strong>.server. addWebApplication(context, ptr.getAbsolutePath());
<a name="177" href="#177">177</a>         <strong>if</strong> (context.equals(<span class="string">"/"</span>)) {
<a name="178" href="#178">178</a>             <em class="comment">// If we've just mounted the root webapp, make it the root.</em>
<a name="179" href="#179">179</a>             <strong>this</strong>.server.setRootWebApp(name);
<a name="180" href="#180">180</a>         }
<a name="181" href="#181">181</a>         <em class="comment">// Selftest depends on finding the extracted WARs. TODO: Fix.</em>
<a name="182" href="#182">182</a>         c.setExtractWAR(expand);
<a name="183" href="#183">183</a>         <em class="comment">// let login sessions last 24 hours</em>
<a name="184" href="#184">184</a>         c.getServletHandler().getSessionManager().setMaxInactiveInterval(86400);
<a name="185" href="#185">185</a>         <strong>this</strong>.contexts.add(c);
<a name="186" href="#186">186</a>     }
<a name="187" href="#187">187</a>     
<a name="188" href="#188">188</a>     <em>/**<em>*</em></em>
<a name="189" href="#189">189</a> <em>     * Initialize the server.</em>
<a name="190" href="#190">190</a> <em>     * Called from constructors.</em>
<a name="191" href="#191">191</a> <em>     * @param port Port to start the server on.</em>
<a name="192" href="#192">192</a> <em>     * @deprecated  Use initialize(Collection&lt;String>, port) instead</em>
<a name="193" href="#193">193</a> <em>     */</em>
<a name="194" href="#194">194</a>     <strong>protected</strong> <strong>void</strong> initialize(<strong>int</strong> port, <strong>boolean</strong> localhostOnly) {
<a name="195" href="#195">195</a>         Collection&lt;String> hosts = determineHosts(localhostOnly);        
<a name="196" href="#196">196</a>         initialize(hosts, port);
<a name="197" href="#197">197</a>     }
<a name="198" href="#198">198</a>     
<a name="199" href="#199">199</a>     
<a name="200" href="#200">200</a>     <em>/**<em>*</em></em>
<a name="201" href="#201">201</a> <em>     * Initialize the server.  Called from constructors.</em>
<a name="202" href="#202">202</a> <em>     * </em>
<a name="203" href="#203">203</a> <em>     * @param hosts   the hostnames to bind to; if empty or null, will bind</em>
<a name="204" href="#204">204</a> <em>     *                  to all interfaces</em>
<a name="205" href="#205">205</a> <em>     * @param port    the port to listen on</em>
<a name="206" href="#206">206</a> <em>     */</em>
<a name="207" href="#207">207</a>     <strong>protected</strong> <strong>void</strong> initialize(Collection&lt;String> hosts, <strong>int</strong> port) {
<a name="208" href="#208">208</a>         <strong>this</strong>.server = <strong>new</strong> Server();
<a name="209" href="#209">209</a>         <strong>this</strong>.port = port;
<a name="210" href="#210">210</a>         <strong>if</strong> (hosts.isEmpty()) {
<a name="211" href="#211">211</a>             SocketListener listener = <strong>new</strong> SocketListener();
<a name="212" href="#212">212</a>             listener.setPort(port);
<a name="213" href="#213">213</a>             <strong>this</strong>.server.addListener(listener);
<a name="214" href="#214">214</a>             <strong>return</strong>;
<a name="215" href="#215">215</a>         }
<a name="216" href="#216">216</a>         
<a name="217" href="#217">217</a>         <strong>for</strong> (String host: hosts) <strong>try</strong> {
<a name="218" href="#218">218</a>             InetAddrPort addr = <strong>new</strong> InetAddrPort(host, port);
<a name="219" href="#219">219</a>             SocketListener listener = <strong>new</strong> SocketListener(addr);
<a name="220" href="#220">220</a>             <strong>this</strong>.server.addListener(listener);
<a name="221" href="#221">221</a>         } <strong>catch</strong> (UnknownHostException e) { 
<a name="222" href="#222">222</a>             e.printStackTrace();
<a name="223" href="#223">223</a>         }
<a name="224" href="#224">224</a>     }
<a name="225" href="#225">225</a>     
<a name="226" href="#226">226</a>     
<a name="227" href="#227">227</a>     <strong>private</strong> <strong>static</strong> Collection&lt;String> determineHosts(<strong>boolean</strong> lho) {
<a name="228" href="#228">228</a>         Collection&lt;String> hosts = <strong>new</strong> ArrayList&lt;String>();
<a name="229" href="#229">229</a>         <strong>if</strong> (lho) {
<a name="230" href="#230">230</a>             hosts.add(<span class="string">"127.0.0.1"</span>);
<a name="231" href="#231">231</a>         }
<a name="232" href="#232">232</a>         <strong>return</strong> hosts;
<a name="233" href="#233">233</a>     }
<a name="234" href="#234">234</a> 
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>     <em>/**<em>*</em></em>
<a name="237" href="#237">237</a> <em>     * Setup log files.</em>
<a name="238" href="#238">238</a> <em>     * @return RequestLog instance to add to a server. </em>
<a name="239" href="#239">239</a> <em>     * @throws Exception</em>
<a name="240" href="#240">240</a> <em>     */</em>
<a name="241" href="#241">241</a>     <strong>protected</strong> RequestLog getServerLogging() throws Exception {
<a name="242" href="#242">242</a>         <em class="comment">// Have accesses go into the stdout/stderr log for now.  Later, if</em>
<a name="243" href="#243">243</a>         <em class="comment">// demand, we'll have accesses go into their own file.</em>
<a name="244" href="#244">244</a>         NCSARequestLog a = <strong>new</strong> NCSARequestLog(Heritrix.getHeritrixOut());
<a name="245" href="#245">245</a>         a.setRetainDays(90);
<a name="246" href="#246">246</a>         a.setAppend(<strong>true</strong>);
<a name="247" href="#247">247</a>         a.setExtended(false);
<a name="248" href="#248">248</a>         a.setBuffered(false);
<a name="249" href="#249">249</a>         a.setLogTimeZone(<span class="string">"GMT"</span>);
<a name="250" href="#250">250</a>         a.start();
<a name="251" href="#251">251</a>         <strong>return</strong> a;
<a name="252" href="#252">252</a>     }
<a name="253" href="#253">253</a> 
<a name="254" href="#254">254</a>     <em>/**<em>*</em></em>
<a name="255" href="#255">255</a> <em>     * Return the directory that holds the WARs we're to deploy.</em>
<a name="256" href="#256">256</a> <em>     *</em>
<a name="257" href="#257">257</a> <em>     * @return Return webapp path (Path returned has a trailing '/').</em>
<a name="258" href="#258">258</a> <em>     * @throws IOException</em>
<a name="259" href="#259">259</a> <em>     */</em>
<a name="260" href="#260">260</a>     <strong>private</strong> <strong>static</strong> String getWARSPath() throws IOException {
<a name="261" href="#261">261</a>         String webappsPath = Heritrix.getWarsdir().getAbsolutePath();
<a name="262" href="#262">262</a>         <strong>if</strong> (!webappsPath.endsWith(File.separator))
<a name="263" href="#263">263</a>         {
<a name="264" href="#264">264</a>             webappsPath = webappsPath + File.separator;
<a name="265" href="#265">265</a>         }
<a name="266" href="#266">266</a>         <strong>return</strong> webappsPath;
<a name="267" href="#267">267</a>     }
<a name="268" href="#268">268</a> 
<a name="269" href="#269">269</a>     <em>/**<em>*</em></em>
<a name="270" href="#270">270</a> <em>     * Start the server.</em>
<a name="271" href="#271">271</a> <em>     *</em>
<a name="272" href="#272">272</a> <em>     * @throws Exception if problem starting server or if server already</em>
<a name="273" href="#273">273</a> <em>     * started.</em>
<a name="274" href="#274">274</a> <em>     */</em>
<a name="275" href="#275">275</a>     <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> startServer()
<a name="276" href="#276">276</a>         throws Exception {
<a name="277" href="#277">277</a> 
<a name="278" href="#278">278</a>         <strong>this</strong>.server.start();
<a name="279" href="#279">279</a>     }
<a name="280" href="#280">280</a> 
<a name="281" href="#281">281</a>     <em>/**<em>*</em></em>
<a name="282" href="#282">282</a> <em>     * Stop the running server.</em>
<a name="283" href="#283">283</a> <em>     *</em>
<a name="284" href="#284">284</a> <em>     * @throws InterruptedException</em>
<a name="285" href="#285">285</a> <em>     */</em>
<a name="286" href="#286">286</a>     <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> stopServer() throws InterruptedException {
<a name="287" href="#287">287</a> 
<a name="288" href="#288">288</a>         <strong>if</strong> (<strong>this</strong>.server != <strong>null</strong>)
<a name="289" href="#289">289</a>         {
<a name="290" href="#290">290</a>             <strong>this</strong>.server.stop();
<a name="291" href="#291">291</a>         }
<a name="292" href="#292">292</a>     }
<a name="293" href="#293">293</a> 
<a name="294" href="#294">294</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="295" href="#295">295</a> <em class="comment">     * @see java.lang.Object#finalize()</em>
<a name="296" href="#296">296</a> <em class="comment">     */</em>
<a name="297" href="#297">297</a>     <strong>protected</strong> <strong>void</strong> finalize()
<a name="298" href="#298">298</a>         throws Throwable {
<a name="299" href="#299">299</a> 
<a name="300" href="#300">300</a>         stopServer();
<a name="301" href="#301">301</a>         <strong>super</strong>.finalize();
<a name="302" href="#302">302</a>     }
<a name="303" href="#303">303</a> 
<a name="304" href="#304">304</a>     <em>/**<em>*</em></em>
<a name="305" href="#305">305</a> <em>     * @return Port server is running on.</em>