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="306" href="#306">306</a> <em>     */</em>
<a name="307" href="#307">307</a>     <strong>public</strong> <strong>int</strong> getPort() {
<a name="308" href="#308">308</a> 
<a name="309" href="#309">309</a>         <strong>return</strong> <strong>this</strong>.port;
<a name="310" href="#310">310</a>     }
<a name="311" href="#311">311</a> 
<a name="312" href="#312">312</a>     <em>/**<em>*</em></em>
<a name="313" href="#313">313</a> <em>     * @return Server reference.</em>
<a name="314" href="#314">314</a> <em>     */</em>
<a name="315" href="#315">315</a>     <strong>public</strong> HttpServer getServer() {
<a name="316" href="#316">316</a> 
<a name="317" href="#317">317</a>         <strong>return</strong> <strong>this</strong>.server;
<a name="318" href="#318">318</a>     }
<a name="319" href="#319">319</a> 
<a name="320" href="#320">320</a>     <em>/**<em>*</em></em>
<a name="321" href="#321">321</a> <em>     * @param contextName Name of context to look for.  Possible names would be</em>
<a name="322" href="#322">322</a> <em>     * '/admin', '/', or '/selftest'.</em>
<a name="323" href="#323">323</a> <em>     *</em>
<a name="324" href="#324">324</a> <em>     * @return named context.</em>
<a name="325" href="#325">325</a> <em>     */</em>
<a name="326" href="#326">326</a>     <strong>private</strong> WebApplicationContext getContext(String contextName) {
<a name="327" href="#327">327</a> 
<a name="328" href="#328">328</a>         WebApplicationContext context = <strong>null</strong>;
<a name="329" href="#329">329</a> 
<a name="330" href="#330">330</a>         <strong>if</strong> (<strong>this</strong>.contexts == <strong>null</strong>)
<a name="331" href="#331">331</a>         {
<a name="332" href="#332">332</a>             <strong>throw</strong> <strong>new</strong> NullPointerException(<span class="string">"No contexts available."</span>);
<a name="333" href="#333">333</a>         }
<a name="334" href="#334">334</a> 
<a name="335" href="#335">335</a>         <strong>if</strong> (!contextName.startsWith(<span class="string">"/"</span>)) {
<a name="336" href="#336">336</a>             contextName = '/' + contextName;
<a name="337" href="#337">337</a>         }
<a name="338" href="#338">338</a>         <strong>for</strong> (Iterator i = <strong>this</strong>.contexts.iterator(); i.hasNext();)
<a name="339" href="#339">339</a>         {
<a name="340" href="#340">340</a>             WebApplicationContext c = (WebApplicationContext)i.next();
<a name="341" href="#341">341</a>             <strong>if</strong> (c.getHttpContextName().equals(contextName))
<a name="342" href="#342">342</a>             {
<a name="343" href="#343">343</a>                 context = c;
<a name="344" href="#344">344</a>                 <strong>break</strong>;
<a name="345" href="#345">345</a>             }
<a name="346" href="#346">346</a>         }
<a name="347" href="#347">347</a> 
<a name="348" href="#348">348</a>         <strong>if</strong> (context == <strong>null</strong>)
<a name="349" href="#349">349</a>         {
<a name="350" href="#350">350</a>             <strong>throw</strong> <strong>new</strong> NoSuchElementException(<span class="string">"Unknown webapp: "</span> + contextName);
<a name="351" href="#351">351</a>         }
<a name="352" href="#352">352</a> 
<a name="353" href="#353">353</a>         <strong>return</strong> context;
<a name="354" href="#354">354</a>     }
<a name="355" href="#355">355</a> 
<a name="356" href="#356">356</a>     <em>/**<em>*</em></em>
<a name="357" href="#357">357</a> <em>     * Setup a realm on the server named for the webapp and add to the</em>
<a name="358" href="#358">358</a> <em>     * passed webapp's context.</em>
<a name="359" href="#359">359</a> <em>     *</em>
<a name="360" href="#360">360</a> <em>     * Used by the selftest to check digest authentication is working.</em>
<a name="361" href="#361">361</a> <em>     * For this all to work, the &lt;code>web.xml&lt;/code> needs to set with</em>
<a name="362" href="#362">362</a> <em>     * a security constraint that points to a realm named for the passed</em>
<a name="363" href="#363">363</a> <em>     * webapp, &lt;code>webappName&lt;/code>.</em>
<a name="364" href="#364">364</a> <em>     *</em>
<a name="365" href="#365">365</a> <em>     * @param realmName Name of realm to configure.</em>
<a name="366" href="#366">366</a> <em>     * @param contextName Name of context we're using with this realm.</em>
<a name="367" href="#367">367</a> <em>     * If null, we'll use the realm name as context name.</em>
<a name="368" href="#368">368</a> <em>     * @param authProperties Path to file that holds the auth login and</em>
<a name="369" href="#369">369</a> <em>     * password.</em>
<a name="370" href="#370">370</a> <em>     * @return Hash of user realms.</em>
<a name="371" href="#371">371</a> <em>     *</em>
<a name="372" href="#372">372</a> <em>     * @throws IOException</em>
<a name="373" href="#373">373</a> <em>     */</em>
<a name="374" href="#374">374</a>     <strong>public</strong> HashUserRealm setAuthentication(String realmName,
<a name="375" href="#375">375</a>         String contextName, String authProperties)
<a name="376" href="#376">376</a>     throws IOException {
<a name="377" href="#377">377</a>         HashUserRealm realm =
<a name="378" href="#378">378</a>             (authProperties != <strong>null</strong> &amp;&amp; authProperties.length() > 0)?
<a name="379" href="#379">379</a>                 <strong>new</strong> HashUserRealm(realmName, authProperties):
<a name="380" href="#380">380</a>                 <strong>new</strong> HashUserRealm(realmName);
<a name="381" href="#381">381</a>         <strong>this</strong>.server.addRealm(realm);
<a name="382" href="#382">382</a>         <strong>if</strong> (contextName == <strong>null</strong> || contextName.length() &lt;= 0) {
<a name="383" href="#383">383</a>             contextName = realmName;
<a name="384" href="#384">384</a>         }
<a name="385" href="#385">385</a>         WebApplicationContext context = getContext(contextName);
<a name="386" href="#386">386</a>         context.setRealmName(realmName);
<a name="387" href="#387">387</a>         <strong>return</strong> realm;
<a name="388" href="#388">388</a>     }
<a name="389" href="#389">389</a>     
<a name="390" href="#390">390</a>     <strong>public</strong> <strong>void</strong> setAuthentication(String realmName, String contextName,
<a name="391" href="#391">391</a>             String username, String password, String role)
<a name="392" href="#392">392</a>     throws IOException {
<a name="393" href="#393">393</a>         HashUserRealm realm = setAuthentication(realmName, contextName,
<a name="394" href="#394">394</a>             <strong>null</strong>);
<a name="395" href="#395">395</a>         realm.put(username, password);
<a name="396" href="#396">396</a>         realm.addUserToRole(username, role);
<a name="397" href="#397">397</a>     }
<a name="398" href="#398">398</a>     
<a name="399" href="#399">399</a> 
<a name="400" href="#400">400</a>     <em>/**<em>*</em></em>
<a name="401" href="#401">401</a> <em>     * Reset the administrator login info. </em>
<a name="402" href="#402">402</a> <em>     * </em>
<a name="403" href="#403">403</a> <em>     * @param realmAndRoleName for our use, always 'admin'</em>
<a name="404" href="#404">404</a> <em>     * @param oldUsername previous username to replace/disable</em>
<a name="405" href="#405">405</a> <em>     * @param newUsername new username (may be same as old)</em>
<a name="406" href="#406">406</a> <em>     * @param newPassword new password</em>
<a name="407" href="#407">407</a> <em>     */</em>
<a name="408" href="#408">408</a>     <strong>public</strong> <strong>void</strong> resetAuthentication(String realmAndRoleName,
<a name="409" href="#409">409</a>         String oldUsername, String newUsername, String newPassword) {
<a name="410" href="#410">410</a>         HashUserRealm realm = (HashUserRealm)<strong>this</strong>.server.
<a name="411" href="#411">411</a>             getRealm(realmAndRoleName);
<a name="412" href="#412">412</a>         realm.remove(oldUsername);
<a name="413" href="#413">413</a>         realm.put(newUsername,newPassword);
<a name="414" href="#414">414</a>         realm.addUserToRole(newUsername, realmAndRoleName);
<a name="415" href="#415">415</a>     }
<a name="416" href="#416">416</a> 
<a name="417" href="#417">417</a>     <em>/**<em>*</em></em>
<a name="418" href="#418">418</a> <em>     * Get path to named webapp.</em>
<a name="419" href="#419">419</a> <em>     *</em>
<a name="420" href="#420">420</a> <em>     * @param name Name of webpp.  Possible names are 'admin' or 'selftest'.</em>
<a name="421" href="#421">421</a> <em>     *</em>
<a name="422" href="#422">422</a> <em>     * @return Path to deployed webapp.</em>
<a name="423" href="#423">423</a> <em>     */</em>
<a name="424" href="#424">424</a>     <strong>public</strong> File getWebappPath(String name) {
<a name="425" href="#425">425</a> 
<a name="426" href="#426">426</a>         <strong>if</strong> (<strong>this</strong>.server == <strong>null</strong>) {
<a name="427" href="#427">427</a>             <strong>throw</strong> <strong>new</strong> NullPointerException(<span class="string">"Server does not exist"</span>);
<a name="428" href="#428">428</a>         }
<a name="429" href="#429">429</a>         String contextName =
<a name="430" href="#430">430</a>             (name.equals(<strong>this</strong>.server.getRootWebApp()))? <span class="string">"/"</span>: <span class="string">"/"</span> + name;
<a name="431" href="#431">431</a>         <strong>return</strong> <strong>new</strong>
<a name="432" href="#432">432</a>             File(getContext(contextName).getServletHandler().getRealPath(<span class="string">"/"</span>));
<a name="433" href="#433">433</a>     }
<a name="434" href="#434">434</a> 
<a name="435" href="#435">435</a>     <em>/**<em>*</em></em>
<a name="436" href="#436">436</a> <em>     * @return Returns the root webapp name.</em>
<a name="437" href="#437">437</a> <em>     */</em>
<a name="438" href="#438">438</a>     <strong>public</strong> <strong>static</strong> String getRootWebappName()
<a name="439" href="#439">439</a>     {
<a name="440" href="#440">440</a>         <strong>return</strong> ROOT_WEBAPP;
<a name="441" href="#441">441</a>     }
<a name="442" href="#442">442</a>     
<a name="443" href="#443">443</a>     
<a name="444" href="#444">444</a>     <em>/**<em>*</em></em>
<a name="445" href="#445">445</a> <em>     * Returns the hosts that the server is listening on.</em>
<a name="446" href="#446">446</a> <em>     * </em>
<a name="447" href="#447">447</a> <em>     * @return  the hosts that the server is listening on.</em>
<a name="448" href="#448">448</a> <em>     */</em>
<a name="449" href="#449">449</a>     <strong>public</strong> Collection&lt;String> getHosts() {
<a name="450" href="#450">450</a>         ArrayList&lt;String> result = <strong>new</strong> ArrayList&lt;String>();
<a name="451" href="#451">451</a>         <strong>for</strong> (HttpListener listener: server.getListeners()) {
<a name="452" href="#452">452</a>             result.add(listener.getHost());
<a name="453" href="#453">453</a>         }
<a name="454" href="#454">454</a>         <strong>return</strong> result;
<a name="455" href="#455">455</a>     }
<a name="456" href="#456">456</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>