heritrix.html

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<a name="290" href="#290">290</a>     
<a name="291" href="#291">291</a>     <em class="comment">// OpenMBean support.</em>
<a name="292" href="#292">292</a>     <em>/**<em>*</em></em>
<a name="293" href="#293">293</a> <em>     * The MBean server we're registered with (May be null).</em>
<a name="294" href="#294">294</a> <em>     */</em>
<a name="295" href="#295">295</a>     <strong>private</strong> MBeanServer mbeanServer = <strong>null</strong>;
<a name="296" href="#296">296</a>     
<a name="297" href="#297">297</a>     <em>/**<em>*</em></em>
<a name="298" href="#298">298</a> <em>     * MBean name we were registered as.</em>
<a name="299" href="#299">299</a> <em>     */</em>
<a name="300" href="#300">300</a>     <strong>private</strong> ObjectName mbeanName = <strong>null</strong>;
<a name="301" href="#301">301</a>     
<a name="302" href="#302">302</a>     <em>/**<em>*</em></em>
<a name="303" href="#303">303</a> <em>     * Keep reference to all instances of Heritrix.</em>
<a name="304" href="#304">304</a> <em>     * Used by the UI to figure which of the local Heritrice it should</em>
<a name="305" href="#305">305</a> <em>     * be going against and to figure what to shutdown on the way out (If</em>
<a name="306" href="#306">306</a> <em>     * there was always a JMX Agent, we wouldn't need to keep this list.  We</em>
<a name="307" href="#307">307</a> <em>     * could always ask the JMX Agent for all instances. UPDATE: True we could</em>
<a name="308" href="#308">308</a> <em>     * always ask the JMX Agent but we might keep around this local reference</em>
<a name="309" href="#309">309</a> <em>     * because it will allow faster, less awkward -- think of marshalling the args</em>
<a name="310" href="#310">310</a> <em>     * for JMX invoke operation -- access to local Heritrix instances.  A new</em>
<a name="311" href="#311">311</a> <em>     * usage for this instances Map is in CrawlJob#preRegister to find the hosting</em>
<a name="312" href="#312">312</a> <em>     * Heritrix instance).</em>
<a name="313" href="#313">313</a> <em>     */</em>
<a name="314" href="#314">314</a>     <strong>private</strong> <strong>static</strong> Map instances = <strong>new</strong> Hashtable();
<a name="315" href="#315">315</a>     
<a name="316" href="#316">316</a>     <strong>private</strong> OpenMBeanInfoSupport openMBeanInfo;
<a name="317" href="#317">317</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String STATUS_ATTR = <span class="string">"Status"</span>;
<a name="318" href="#318">318</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String VERSION_ATTR = <span class="string">"Version"</span>;
<a name="319" href="#319">319</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> List ATTRIBUTE_LIST;
<a name="320" href="#320">320</a>     <strong>static</strong> {
<a name="321" href="#321">321</a>         ATTRIBUTE_LIST = Arrays.asList(<strong>new</strong> String [] {STATUS_ATTR,
<a name="322" href="#322">322</a>             VERSION_ATTR});
<a name="323" href="#323">323</a>     }
<a name="324" href="#324">324</a>     
<a name="325" href="#325">325</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String START_OPER = <span class="string">"start"</span>;
<a name="326" href="#326">326</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String STOP_OPER = <span class="string">"stop"</span>;
<a name="327" href="#327">327</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String DESTROY_OPER = <span class="string">"destroy"</span>;
<a name="328" href="#328">328</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String INTERRUPT_OPER = <span class="string">"interrupt"</span>;
<a name="329" href="#329">329</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String START_CRAWLING_OPER = <span class="string">"startCrawling"</span>;
<a name="330" href="#330">330</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String STOP_CRAWLING_OPER = <span class="string">"stopCrawling"</span>;
<a name="331" href="#331">331</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String ADD_CRAWL_JOB_OPER = <span class="string">"addJob"</span>;
<a name="332" href="#332">332</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String TERMINATE_CRAWL_JOB_OPER =
<a name="333" href="#333">333</a>         <span class="string">"terminateCurrentJob"</span>;
<a name="334" href="#334">334</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String DELETE_CRAWL_JOB_OPER = <span class="string">"deleteJob"</span>;
<a name="335" href="#335">335</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String ALERT_OPER = <span class="string">"alert"</span>;
<a name="336" href="#336">336</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String ADD_CRAWL_JOB_BASEDON_OPER = <span class="string">"addJobBasedon"</span>;
<a name="337" href="#337">337</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String PENDING_JOBS_OPER = <span class="string">"pendingJobs"</span>;
<a name="338" href="#338">338</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String COMPLETED_JOBS_OPER = <span class="string">"completedJobs"</span>;
<a name="339" href="#339">339</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String CRAWLEND_REPORT_OPER = <span class="string">"crawlendReport"</span>;
<a name="340" href="#340">340</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String SHUTDOWN_OPER = <span class="string">"shutdown"</span>;
<a name="341" href="#341">341</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String LOG_OPER = <span class="string">"log"</span>;
<a name="342" href="#342">342</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> String REBIND_JNDI_OPER = <span class="string">"rebindJNDI"</span>;
<a name="343" href="#343">343</a>     <strong>private</strong> <strong>final</strong> <strong>static</strong> List OPERATION_LIST;
<a name="344" href="#344">344</a>     <strong>static</strong> {
<a name="345" href="#345">345</a>         OPERATION_LIST = Arrays.asList(<strong>new</strong> String [] {START_OPER, STOP_OPER,
<a name="346" href="#346">346</a>             INTERRUPT_OPER, START_CRAWLING_OPER, STOP_CRAWLING_OPER,
<a name="347" href="#347">347</a>             ADD_CRAWL_JOB_OPER, ADD_CRAWL_JOB_BASEDON_OPER,
<a name="348" href="#348">348</a>             DELETE_CRAWL_JOB_OPER, ALERT_OPER, PENDING_JOBS_OPER,
<a name="349" href="#349">349</a>             COMPLETED_JOBS_OPER, CRAWLEND_REPORT_OPER, SHUTDOWN_OPER,
<a name="350" href="#350">350</a>             LOG_OPER, DESTROY_OPER, TERMINATE_CRAWL_JOB_OPER,
<a name="351" href="#351">351</a>             REBIND_JNDI_OPER});
<a name="352" href="#352">352</a>     }
<a name="353" href="#353">353</a>     <strong>private</strong> CompositeType jobCompositeType = <strong>null</strong>;
<a name="354" href="#354">354</a>     <strong>private</strong> TabularType jobsTabularType = <strong>null</strong>;
<a name="355" href="#355">355</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> String [] JOB_KEYS =
<a name="356" href="#356">356</a>         <strong>new</strong> String [] {<span class="string">"uid"</span>, <span class="string">"name"</span>, <span class="string">"status"</span>};
<a name="357" href="#357">357</a> 
<a name="358" href="#358">358</a>     <strong>private</strong> <strong>static</strong> String adminUsername;
<a name="359" href="#359">359</a> 
<a name="360" href="#360">360</a>     <strong>private</strong> <strong>static</strong> String adminPassword;
<a name="361" href="#361">361</a>     
<a name="362" href="#362">362</a>     <em>/**<em>*</em></em>
<a name="363" href="#363">363</a> <em>     * Constructor.</em>
<a name="364" href="#364">364</a> <em>     * Does not register the created instance with JMX.  Assumed this</em>
<a name="365" href="#365">365</a> <em>     * constructor is used by such as JMX agent creating an instance of</em>
<a name="366" href="#366">366</a> <em>     * Heritrix at the commmand of a remote client (In this case Heritrix will</em>
<a name="367" href="#367">367</a> <em>     * be registered by the invoking agent).</em>
<a name="368" href="#368">368</a> <em>     * @throws IOException</em>
<a name="369" href="#369">369</a> <em>     */</em>
<a name="370" href="#370">370</a>     <strong>public</strong> <a href="../../../org/archive/crawler/Heritrix.html">Heritrix</a>() throws IOException {
<a name="371" href="#371">371</a>         <strong>this</strong>(<strong>null</strong>, false);
<a name="372" href="#372">372</a>     }
<a name="373" href="#373">373</a>     
<a name="374" href="#374">374</a>     <strong>public</strong> <a href="../../../org/archive/crawler/Heritrix.html">Heritrix</a>(<strong>final</strong> <strong>boolean</strong> jmxregister) throws IOException {
<a name="375" href="#375">375</a>         <strong>this</strong>(<strong>null</strong>, jmxregister);
<a name="376" href="#376">376</a>     }
<a name="377" href="#377">377</a>     
<a name="378" href="#378">378</a>     <em>/**<em>*</em></em>
<a name="379" href="#379">379</a> <em>     * Constructor.</em>
<a name="380" href="#380">380</a> <em>     * @param name If null, we bring up the default Heritrix instance.</em>
<a name="381" href="#381">381</a> <em>     * @param jmxregister True if we are to register this instance with JMX</em>
<a name="382" href="#382">382</a> <em>     * agent.</em>
<a name="383" href="#383">383</a> <em>     * @throws IOException</em>
<a name="384" href="#384">384</a> <em>     */</em>
<a name="385" href="#385">385</a>     <strong>public</strong> <a href="../../../org/archive/crawler/Heritrix.html">Heritrix</a>(<strong>final</strong> String name, <strong>final</strong> <strong>boolean</strong> jmxregister)
<a name="386" href="#386">386</a>     throws IOException {
<a name="387" href="#387">387</a>         <strong>this</strong>(name, jmxregister, <strong>new</strong> <a href="../../../org/archive/crawler/admin/CrawlJobHandler.html">CrawlJobHandler</a>(getJobsdir()));
<a name="388" href="#388">388</a>     }
<a name="389" href="#389">389</a>     
<a name="390" href="#390">390</a>     <em>/**<em>*</em></em>
<a name="391" href="#391">391</a> <em>     * Constructor.</em>
<a name="392" href="#392">392</a> <em>     * @param name If null, we bring up the default Heritrix instance.</em>
<a name="393" href="#393">393</a> <em>     * @param jmxregister True if we are to register this instance with JMX</em>
<a name="394" href="#394">394</a> <em>     * agent.</em>
<a name="395" href="#395">395</a> <em>     * @param cjh CrawlJobHandler to use.</em>
<a name="396" href="#396">396</a> <em>     * @throws IOException</em>
<a name="397" href="#397">397</a> <em>     */</em>
<a name="398" href="#398">398</a>     <strong>public</strong> <a href="../../../org/archive/crawler/Heritrix.html">Heritrix</a>(<strong>final</strong> String name, <strong>final</strong> <strong>boolean</strong> jmxregister,
<a name="399" href="#399">399</a>             <strong>final</strong> <a href="../../../org/archive/crawler/admin/CrawlJobHandler.html">CrawlJobHandler</a> cjh)
<a name="400" href="#400">400</a>     throws IOException {
<a name="401" href="#401">401</a>         <strong>super</strong>();
<a name="402" href="#402">402</a>         containerInitialization();
<a name="403" href="#403">403</a>         <strong>this</strong>.jobHandler = cjh;
<a name="404" href="#404">404</a>         <strong>this</strong>.openMBeanInfo = buildMBeanInfo();
<a name="405" href="#405">405</a>         <em class="comment">// Set up the alerting system.  SinkHandler is also a global so will</em>
<a name="406" href="#406">406</a>         <em class="comment">// catch alerts for all running Heritrix instances.  Will need to</em>
<a name="407" href="#407">407</a>         <em class="comment">// address (Add name of instance that threw the alert to SinkRecord?).</em>
<a name="408" href="#408">408</a>         <strong>final</strong> <a href="../../../org/archive/io/SinkHandler.html">SinkHandler</a> sinkHandler = SinkHandler.getInstance();
<a name="409" href="#409">409</a>         <strong>if</strong> (sinkHandler == <strong>null</strong>) {
<a name="410" href="#410">410</a>             <strong>throw</strong> <strong>new</strong> NullPointerException(<span class="string">"SinkHandler not found."</span>);
<a name="411" href="#411">411</a>         }
<a name="412" href="#412">412</a>         <em class="comment">// Adapt the alerting system to use SinkHandler.</em>
<a name="413" href="#413">413</a>         <strong>this</strong>.alertManager = <strong>new</strong> <a href="../../../org/archive/crawler/framework/AlertManager.html">AlertManager</a>() {
<a name="414" href="#414">414</a>             <strong>public</strong> <strong>void</strong> add(<a href="../../../org/archive/io/SinkHandlerLogRecord.html">SinkHandlerLogRecord</a> record) {
<a name="415" href="#415">415</a>                 sinkHandler.publish(record);
<a name="416" href="#416">416</a>             }
<a name="417" href="#417">417</a> 
<a name="418" href="#418">418</a>             <strong>public</strong> Vector getAll() {
<a name="419" href="#419">419</a>                 <strong>return</strong> sinkHandler.getAll();
<a name="420" href="#420">420</a>             }
<a name="421" href="#421">421</a> 
<a name="422" href="#422">422</a>             <strong>public</strong> Vector getNewAll() {
<a name="423" href="#423">423</a>                 <strong>return</strong> sinkHandler.getAllUnread();
<a name="424" href="#424">424</a>             }
<a name="425" href="#425">425</a> 
<a name="426" href="#426">426</a>             <strong>public</strong> <a href="../../../org/archive/io/SinkHandlerLogRecord.html">SinkHandlerLogRecord</a> get(String alertID) {
<a name="427" href="#427">427</a>                 <strong>return</strong> sinkHandler.get(Long.parseLong(alertID));
<a name="428" href="#428">428</a>             }
<a name="429" href="#429">429</a>             
<a name="430" href="#430">430</a>             <strong>public</strong> <strong>int</strong> getCount() {
<a name="431" href="#431">431</a>                 <strong>return</strong> sinkHandler.getCount();
<a name="432" href="#432">432</a>             }
<a name="433" href="#433">433</a> 
<a name="434" href="#434">434</a>             <strong>public</strong> <strong>int</strong> getNewCount() {
<a name="435" href="#435">435</a>                 <strong>return</strong> sinkHandler.getUnreadCount();
<a name="436" href="#436">436</a>             }
<a name="437" href="#437">437</a> 
<a name="438" href="#438">438</a>             <strong>public</strong> <strong>void</strong> remove(String alertID) {