jobconfigureutils.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="268" href="#268">268</a> <em>     * @param response Http response.</em>
<a name="269" href="#269">269</a> <em>     * @param redirectBasePath Full path for where to go next if an error.</em>
<a name="270" href="#270">270</a> <em>     * @param currDomain May be null.</em>
<a name="271" href="#271">271</a> <em>     * E.g. "/admin/jobs/per/overview.jsp".</em>
<a name="272" href="#272">272</a> <em>     * @return A job else we've redirected if no job or readonly.</em>
<a name="273" href="#273">273</a> <em>     * @throws IOException</em>
<a name="274" href="#274">274</a> <em>     */</em>
<a name="275" href="#275">275</a>     <strong>public</strong> <strong>static</strong> <a href="../../../../../org/archive/crawler/admin/CrawlJob.html">CrawlJob</a> checkCrawlJob(<a href="../../../../../org/archive/crawler/admin/CrawlJob.html">CrawlJob</a> job,
<a name="276" href="#276">276</a>         HttpServletResponse response, String redirectBasePath,
<a name="277" href="#277">277</a>         String currDomain)
<a name="278" href="#278">278</a>     throws IOException {
<a name="279" href="#279">279</a>         <strong>if</strong> (job == <strong>null</strong>) {
<a name="280" href="#280">280</a>             <em class="comment">// Didn't find any job with the given UID or no UID given.</em>
<a name="281" href="#281">281</a>             response.sendRedirect(redirectBasePath +
<a name="282" href="#282">282</a>                 <span class="string">"?message=No job selected"</span>);
<a name="283" href="#283">283</a>         } <strong>else</strong> <strong>if</strong> (job.isReadOnly()) {
<a name="284" href="#284">284</a>             <em class="comment">// Can't edit this job.</em>
<a name="285" href="#285">285</a>             response.sendRedirect(redirectBasePath +
<a name="286" href="#286">286</a>                 <span class="string">"?job="</span> + job.getUID() +
<a name="287" href="#287">287</a>                 ((currDomain != <strong>null</strong> &amp;&amp; currDomain.length() > 0)?
<a name="288" href="#288">288</a>                     <span class="string">"&amp;currDomain="</span> + currDomain: <span class="string">""</span>) +
<a name="289" href="#289">289</a>                 <span class="string">"&amp;message=Can't edit a read only job"</span>);
<a name="290" href="#290">290</a>         }
<a name="291" href="#291">291</a>         <strong>return</strong> job;
<a name="292" href="#292">292</a>     }
<a name="293" href="#293">293</a> 
<a name="294" href="#294">294</a>     <em>/**<em>*</em></em>
<a name="295" href="#295">295</a> <em>     * Handle job action.</em>
<a name="296" href="#296">296</a> <em>     * @param handler CrawlJobHandler to operate on.</em>
<a name="297" href="#297">297</a> <em>     * @param request Http request.</em>
<a name="298" href="#298">298</a> <em>     * @param response Http response.</em>
<a name="299" href="#299">299</a> <em>     * @param redirectBasePath Full path for where to go next if an error.</em>
<a name="300" href="#300">300</a> <em>     * E.g. "/admin/jobs/per/overview.jsp".</em>
<a name="301" href="#301">301</a> <em>     * @param currDomain Current domain.  Pass null for global domain.</em>
<a name="302" href="#302">302</a> <em>     * @param reference </em>
<a name="303" href="#303">303</a> <em>     * @return The crawljob configured.</em>
<a name="304" href="#304">304</a> <em>     * @throws IOException</em>
<a name="305" href="#305">305</a> <em>     * @throws AttributeNotFoundException</em>
<a name="306" href="#306">306</a> <em>     * @throws InvocationTargetException</em>
<a name="307" href="#307">307</a> <em>     * @throws InvalidAttributeValueException</em>
<a name="308" href="#308">308</a> <em>     */</em>
<a name="309" href="#309">309</a>     <strong>public</strong> <strong>static</strong> <a href="../../../../../org/archive/crawler/admin/CrawlJob.html">CrawlJob</a> handleJobAction(<a href="../../../../../org/archive/crawler/admin/CrawlJobHandler.html">CrawlJobHandler</a> handler,
<a name="310" href="#310">310</a>             HttpServletRequest request, HttpServletResponse response,
<a name="311" href="#311">311</a>             String redirectBasePath, String currDomain, String reference)
<a name="312" href="#312">312</a>     throws IOException, AttributeNotFoundException, InvocationTargetException,
<a name="313" href="#313">313</a>         InvalidAttributeValueException {
<a name="314" href="#314">314</a> 
<a name="315" href="#315">315</a>         <em class="comment">// Load the job to manipulate</em>
<a name="316" href="#316">316</a>         <a href="../../../../../org/archive/crawler/admin/CrawlJob.html">CrawlJob</a> theJob =
<a name="317" href="#317">317</a>             checkCrawlJob(handler.getJob(request.getParameter(<span class="string">"job"</span>)),
<a name="318" href="#318">318</a>                 response, redirectBasePath, currDomain);
<a name="319" href="#319">319</a> 
<a name="320" href="#320">320</a>         <a href="../../../../../org/archive/crawler/settings/XMLSettingsHandler.html">XMLSettingsHandler</a> settingsHandler = theJob.getSettingsHandler();
<a name="321" href="#321">321</a>         <em class="comment">// If currDomain is null, then we're at top-level.</em>
<a name="322" href="#322">322</a>         <a href="../../../../../org/archive/crawler/settings/CrawlerSettings.html">CrawlerSettings</a> settings = settingsHandler
<a name="323" href="#323">323</a>             .getSettingsObject(currDomain);
<a name="324" href="#324">324</a>         
<a name="325" href="#325">325</a>         <strong>if</strong>(reference != <strong>null</strong>) {
<a name="326" href="#326">326</a>             <em class="comment">// refinement</em>
<a name="327" href="#327">327</a>             <a href="../../../../../org/archive/crawler/settings/refinements/Refinement.html">Refinement</a> refinement = settings.getRefinement(reference);
<a name="328" href="#328">328</a>             settings = refinement.getSettings();
<a name="329" href="#329">329</a>         }
<a name="330" href="#330">330</a> 
<a name="331" href="#331">331</a>         <em class="comment">// See if we need to take any action</em>
<a name="332" href="#332">332</a>         <strong>if</strong> (request.getParameter(ACTION) != <strong>null</strong>) {
<a name="333" href="#333">333</a>             <em class="comment">// Need to take some action.</em>
<a name="334" href="#334">334</a>             String action = request.getParameter(ACTION);
<a name="335" href="#335">335</a>             String subaction = request.getParameter(SUBACTION);
<a name="336" href="#336">336</a>             <strong>if</strong> (action.equals(FILTERS)) {
<a name="337" href="#337">337</a>                 <em class="comment">// Doing something with the filters.</em>
<a name="338" href="#338">338</a>                 String map = request.getParameter(MAP);
<a name="339" href="#339">339</a>                 <strong>if</strong> (map != <strong>null</strong> &amp;&amp; map.length() > 0) {
<a name="340" href="#340">340</a>                     String filter = request.getParameter(FILTER);
<a name="341" href="#341">341</a>                     <a href="../../../../../org/archive/crawler/settings/MapType.html">MapType</a> filterMap = (MapType) settingsHandler
<a name="342" href="#342">342</a>                         .getComplexTypeByAbsoluteName(settings, map);
<a name="343" href="#343">343</a>                     <strong>if</strong> (subaction.equals(ADD)) {
<a name="344" href="#344">344</a>                         <em class="comment">// Add filter</em>
<a name="345" href="#345">345</a>                         String className = request.getParameter(map + <span class="string">".class"</span>);
<a name="346" href="#346">346</a>                         String typeName = request.getParameter(map + <span class="string">".name"</span>);
<a name="347" href="#347">347</a>                         <strong>if</strong> (typeName != <strong>null</strong> &amp;&amp; typeName.length() > 0 &amp;&amp;
<a name="348" href="#348">348</a>                                 className != <strong>null</strong> &amp;&amp; className.length() > 0) {
<a name="349" href="#349">349</a>                             <a href="../../../../../org/archive/crawler/settings/ModuleType.html">ModuleType</a> tmp = <a href="../../../../../org/archive/crawler/settings/SettingsHandler.html">SettingsHandler</a>
<a name="350" href="#350">350</a>                                 .instantiateModuleTypeFromClassName(
<a name="351" href="#351">351</a>                                     typeName, className);
<a name="352" href="#352">352</a>                             filterMap.addElement(settings, tmp);
<a name="353" href="#353">353</a>                         }
<a name="354" href="#354">354</a>                     } <strong>else</strong> <strong>if</strong> (subaction.equals(MOVEUP)) {
<a name="355" href="#355">355</a>                         <em class="comment">// Move a filter down in a map</em>
<a name="356" href="#356">356</a>                         <strong>if</strong> (filter != <strong>null</strong> &amp;&amp; filter.length() > 0) {
<a name="357" href="#357">357</a>                             filterMap.moveElementUp(settings, filter);
<a name="358" href="#358">358</a>                         }
<a name="359" href="#359">359</a>                     } <strong>else</strong> <strong>if</strong> (subaction.equals(MOVEDOWN)) {
<a name="360" href="#360">360</a>                         <em class="comment">// Move a filter up in a map</em>
<a name="361" href="#361">361</a>                         <strong>if</strong> (filter != <strong>null</strong> &amp;&amp; filter.length() > 0) {
<a name="362" href="#362">362</a>                             filterMap.moveElementDown(settings, filter);
<a name="363" href="#363">363</a>                         }
<a name="364" href="#364">364</a>                     } <strong>else</strong> <strong>if</strong> (subaction.equals(REMOVE)) {
<a name="365" href="#365">365</a>                         <em class="comment">// Remove a filter from a map</em>
<a name="366" href="#366">366</a>                         <strong>if</strong> (filter != <strong>null</strong> &amp;&amp; filter.length() > 0) {
<a name="367" href="#367">367</a>                             filterMap.removeElement(settings, filter);
<a name="368" href="#368">368</a>                         }
<a name="369" href="#369">369</a>                     }
<a name="370" href="#370">370</a>                 }
<a name="371" href="#371">371</a>                 <em class="comment">// Finally save the changes to disk</em>
<a name="372" href="#372">372</a>                 settingsHandler.writeSettingsObject(settings);
<a name="373" href="#373">373</a>             } <strong>else</strong> <strong>if</strong> (action.equals(DONE)) {
<a name="374" href="#374">374</a>                 <em class="comment">// Ok, done editing.</em>
<a name="375" href="#375">375</a>                 <strong>if</strong>(subaction.equals(CONTINUE)) {
<a name="376" href="#376">376</a>                     <em class="comment">// was editting an override/refinement, simply continue</em>
<a name="377" href="#377">377</a>                     <strong>if</strong> (theJob.isRunning()) {
<a name="378" href="#378">378</a>                         handler.kickUpdate(); <em class="comment">//Just to make sure.</em>
<a name="379" href="#379">379</a>                     }
<a name="380" href="#380">380</a>                     String overParam = ((currDomain != <strong>null</strong> &amp;&amp; currDomain
<a name="381" href="#381">381</a>                             .length() > 0) ? <span class="string">"&amp;currDomain="</span> + currDomain : <span class="string">""</span>);
<a name="382" href="#382">382</a>                     String refParam = 
<a name="383" href="#383">383</a>                         ((reference != <strong>null</strong> &amp;&amp; reference.length() > 0) 
<a name="384" href="#384">384</a>                                 ? <span class="string">"&amp;reference="</span> + reference
<a name="385" href="#385">385</a>                                 : <span class="string">""</span>);
<a name="386" href="#386">386</a>                     String messageParam = (refParam.length() > 0) 
<a name="387" href="#387">387</a>                          ? <span class="string">"&amp;message=Refinement changes saved"</span>
<a name="388" href="#388">388</a>                          : <span class="string">"&amp;message=Override changes saved"</span>;
<a name="389" href="#389">389</a>                     response.sendRedirect(redirectBasePath +
<a name="390" href="#390">390</a>                         <span class="string">"?job="</span> + theJob.getUID() +
<a name="391" href="#391">391</a>                          overParam +
<a name="392" href="#392">392</a>                          refParam + 
<a name="393" href="#393">393</a>                          messageParam);
<a name="394" href="#394">394</a>                 } <strong>else</strong> {
<a name="395" href="#395">395</a>                     <em class="comment">// on main, truly 'done'</em>
<a name="396" href="#396">396</a>                     <strong>if</strong> (theJob.isNew()) {
<a name="397" href="#397">397</a>                         handler.addJob(theJob);
<a name="398" href="#398">398</a>                         response.sendRedirect(redirectBasePath
<a name="399" href="#399">399</a>                                 + <span class="string">"?message=Job created"</span>);
<a name="400" href="#400">400</a>                     } <strong>else</strong> {
<a name="401" href="#401">401</a>                         <strong>if</strong> (theJob.isRunning()) {
<a name="402" href="#402">402</a>                             handler.kickUpdate();
<a name="403" href="#403">403</a>                         }
<a name="404" href="#404">404</a>                         <strong>if</strong> (theJob.isProfile()) {
<a name="405" href="#405">405</a>                             response.sendRedirect(redirectBasePath