heritrix.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="439" href="#439">439</a>                 sinkHandler.remove(Long.parseLong(alertID));
<a name="440" href="#440">440</a>             }
<a name="441" href="#441">441</a> 
<a name="442" href="#442">442</a>             <strong>public</strong> <strong>void</strong> read(String alertID) {
<a name="443" href="#443">443</a>                 sinkHandler.read(Long.parseLong(alertID));
<a name="444" href="#444">444</a>             }
<a name="445" href="#445">445</a>         };
<a name="446" href="#446">446</a>         
<a name="447" href="#447">447</a>         <strong>try</strong> {
<a name="448" href="#448">448</a>             Heritrix.registerHeritrix(<strong>this</strong>, name, jmxregister);
<a name="449" href="#449">449</a>         } <strong>catch</strong> (InstanceAlreadyExistsException e) {
<a name="450" href="#450">450</a>             <strong>throw</strong> <strong>new</strong> RuntimeException(e);
<a name="451" href="#451">451</a>         } <strong>catch</strong> (MBeanRegistrationException e) {
<a name="452" href="#452">452</a>             <strong>throw</strong> <strong>new</strong> RuntimeException(e);
<a name="453" href="#453">453</a>         } <strong>catch</strong> (NotCompliantMBeanException e) {
<a name="454" href="#454">454</a>             <strong>throw</strong> <strong>new</strong> RuntimeException(e);
<a name="455" href="#455">455</a>         } <strong>catch</strong> (MalformedObjectNameException e) {
<a name="456" href="#456">456</a>             <strong>throw</strong> <strong>new</strong> RuntimeException(e);
<a name="457" href="#457">457</a>         }
<a name="458" href="#458">458</a>     }
<a name="459" href="#459">459</a>     
<a name="460" href="#460">460</a>     <em>/**<em>*</em></em>
<a name="461" href="#461">461</a> <em>     * Run setup tasks for this 'container'. Idempotent.</em>
<a name="462" href="#462">462</a> <em>     * </em>
<a name="463" href="#463">463</a> <em>     * @throws IOException</em>
<a name="464" href="#464">464</a> <em>     */</em>
<a name="465" href="#465">465</a>     <strong>protected</strong> <strong>static</strong> <strong>void</strong> containerInitialization() throws IOException {
<a name="466" href="#466">466</a>         <strong>if</strong> (Heritrix.containerInitialized) {
<a name="467" href="#467">467</a>             <strong>return</strong>;
<a name="468" href="#468">468</a>         }
<a name="469" href="#469">469</a>         Heritrix.containerInitialized = <strong>true</strong>;
<a name="470" href="#470">470</a>         <em class="comment">// Load up the properties.  This invocation adds heritrix properties</em>
<a name="471" href="#471">471</a>         <em class="comment">// to system properties so all available via System.getProperty.</em>
<a name="472" href="#472">472</a>         <em class="comment">// Note, loadProperties and patchLogging have global effects.  May be an</em>
<a name="473" href="#473">473</a>         <em class="comment">// issue if we're running inside a container such as tomcat or jboss.</em>
<a name="474" href="#474">474</a>         Heritrix.loadProperties();
<a name="475" href="#475">475</a>         Heritrix.patchLogging();
<a name="476" href="#476">476</a>         Heritrix.configureTrustStore();
<a name="477" href="#477">477</a>         <em class="comment">// Will run on SIGTERM but not on SIGKILL, unfortunately.</em>
<a name="478" href="#478">478</a>         <em class="comment">// Otherwise, ensures we cleanup after ourselves (Deregister from</em>
<a name="479" href="#479">479</a>         <em class="comment">// JMX and JNDI).</em>
<a name="480" href="#480">480</a>         Runtime.getRuntime().addShutdownHook(
<a name="481" href="#481">481</a>             Heritrix.getShutdownThread(false, 0, <span class="string">"Heritrix shutdown hook"</span>));
<a name="482" href="#482">482</a>         <em class="comment">// Register this heritrix 'container' though we may be inside another</em>
<a name="483" href="#483">483</a>         <em class="comment">// tomcat or jboss container.</em>
<a name="484" href="#484">484</a>         <strong>try</strong> {
<a name="485" href="#485">485</a>             registerContainerJndi();
<a name="486" href="#486">486</a>         } <strong>catch</strong> (Exception e) {
<a name="487" href="#487">487</a>             logger.log(Level.WARNING, <span class="string">"Failed jndi container registration."</span>, e);
<a name="488" href="#488">488</a>         }
<a name="489" href="#489">489</a>     }
<a name="490" href="#490">490</a>     
<a name="491" href="#491">491</a>     <em>/**<em>*</em></em>
<a name="492" href="#492">492</a> <em>     * Do inverse of construction. Used by anyone who does a 'new Heritrix' when</em>
<a name="493" href="#493">493</a> <em>     * they want to cleanup the instance.</em>
<a name="494" href="#494">494</a> <em>     * Of note, there may be Heritrix threads still hanging around after the</em>
<a name="495" href="#495">495</a> <em>     * call to destroy completes.  They'll eventually go down after they've</em>
<a name="496" href="#496">496</a> <em>     * finished their cleanup routines.  In particular, if you are watching</em>
<a name="497" href="#497">497</a> <em>     * Heritrix via JMX, you can see the Heritrix instance JMX bean unregister</em>
<a name="498" href="#498">498</a> <em>     * ahead of the CrawlJob JMX bean that its hosting.</em>
<a name="499" href="#499">499</a> <em>     */</em>
<a name="500" href="#500">500</a>     <strong>public</strong> <strong>void</strong> destroy() {
<a name="501" href="#501">501</a>         stop();
<a name="502" href="#502">502</a>         <strong>try</strong> {
<a name="503" href="#503">503</a>             Heritrix.unregisterHeritrix(<strong>this</strong>);
<a name="504" href="#504">504</a>         } <strong>catch</strong> (InstanceNotFoundException e) {
<a name="505" href="#505">505</a>             e.printStackTrace();
<a name="506" href="#506">506</a>         } <strong>catch</strong> (MBeanRegistrationException e) {
<a name="507" href="#507">507</a>             e.printStackTrace();
<a name="508" href="#508">508</a>         } <strong>catch</strong> (NullPointerException e) {
<a name="509" href="#509">509</a>             e.printStackTrace();
<a name="510" href="#510">510</a>         }
<a name="511" href="#511">511</a>         <strong>this</strong>.jobHandler = <strong>null</strong>;
<a name="512" href="#512">512</a>         <strong>this</strong>.openMBeanInfo = <strong>null</strong>;
<a name="513" href="#513">513</a>     }
<a name="514" href="#514">514</a>     
<a name="515" href="#515">515</a>     <em>/**<em>*</em></em>
<a name="516" href="#516">516</a> <em>     * Launch program.</em>
<a name="517" href="#517">517</a> <em>     * Optionally will launch a web server to host UI.  Will also register</em>
<a name="518" href="#518">518</a> <em>     * Heritrix MBean with first found JMX Agent (Usually the 1.5.0 JVM</em>
<a name="519" href="#519">519</a> <em>     * Agent).</em>
<a name="520" href="#520">520</a> <em>     * </em>
<a name="521" href="#521">521</a> <em>     * @param args Command line arguments.</em>
<a name="522" href="#522">522</a> <em>     * @throws Exception</em>
<a name="523" href="#523">523</a> <em>     */</em>
<a name="524" href="#524">524</a>     <strong>public</strong> <strong>static</strong> <strong>void</strong> main(String[] args)
<a name="525" href="#525">525</a>     throws Exception {
<a name="526" href="#526">526</a>         Heritrix.commandLine = <strong>true</strong>;
<a name="527" href="#527">527</a>         
<a name="528" href="#528">528</a>         <em class="comment">// Set timezone here.  Would be problematic doing it if we're running</em>
<a name="529" href="#529">529</a>         <em class="comment">// inside in a container.</em>
<a name="530" href="#530">530</a>         TimeZone.setDefault(TimeZone.getTimeZone(<span class="string">"GMT"</span>));
<a name="531" href="#531">531</a>         
<a name="532" href="#532">532</a>         File startLog = <strong>new</strong> File(getHeritrixHome(), STARTLOG);
<a name="533" href="#533">533</a>         Heritrix.out = <strong>new</strong> PrintWriter(isDevelopment()? 
<a name="534" href="#534">534</a>             System.out: <strong>new</strong> PrintStream(<strong>new</strong> FileOutputStream(startLog)));
<a name="535" href="#535">535</a>         
<a name="536" href="#536">536</a>         <strong>try</strong> {
<a name="537" href="#537">537</a>             containerInitialization();
<a name="538" href="#538">538</a>             String status = doCmdLineArgs(args);
<a name="539" href="#539">539</a>             <strong>if</strong> (status != <strong>null</strong>) {
<a name="540" href="#540">540</a>                 Heritrix.out.println(status);
<a name="541" href="#541">541</a>             }
<a name="542" href="#542">542</a>         }
<a name="543" href="#543">543</a> 
<a name="544" href="#544">544</a>         <strong>catch</strong>(Exception e) {
<a name="545" href="#545">545</a>             <em class="comment">// Show any exceptions in STARTLOG.</em>
<a name="546" href="#546">546</a>             e.printStackTrace(Heritrix.out);
<a name="547" href="#547">547</a>             <strong>throw</strong> e;
<a name="548" href="#548">548</a>         }
<a name="549" href="#549">549</a> 
<a name="550" href="#550">550</a>         <strong>finally</strong> {
<a name="551" href="#551">551</a>             <em class="comment">// If not development, close the file that signals the wrapper</em>
<a name="552" href="#552">552</a>             <em class="comment">// script that we've started.  Otherwise, just flush it; if in</em>
<a name="553" href="#553">553</a>             <em class="comment">// development, the output is probably a console.</em>
<a name="554" href="#554">554</a>             <strong>if</strong> (!isDevelopment()) {
<a name="555" href="#555">555</a>                 <strong>if</strong> (Heritrix.out != <strong>null</strong>) {
<a name="556" href="#556">556</a>                     Heritrix.out.close();
<a name="557" href="#557">557</a>                 }
<a name="558" href="#558">558</a>                 System.out.println(<span class="string">"Heritrix version: "</span> +
<a name="559" href="#559">559</a>                         Heritrix.getVersion());
<a name="560" href="#560">560</a>             } <strong>else</strong> {
<a name="561" href="#561">561</a>                 <strong>if</strong> (Heritrix.out != <strong>null</strong>) {
<a name="562" href="#562">562</a>                     Heritrix.out.flush();
<a name="563" href="#563">563</a>                 }
<a name="564" href="#564">564</a>             }
<a name="565" href="#565">565</a>         }
<a name="566" href="#566">566</a>     }
<a name="567" href="#567">567</a>     
<a name="568" href="#568">568</a>     <strong>protected</strong> <strong>static</strong> String doCmdLineArgs(<strong>final</strong> String [] args)
<a name="569" href="#569">569</a>     throws Exception {
<a name="570" href="#570">570</a>         <em class="comment">// Get defaults for commandline arguments from the properties file.</em>
<a name="571" href="#571">571</a>         String tmpStr = PropertyUtils.
<a name="572" href="#572">572</a>             getPropertyOrNull(<span class="string">"heritrix.context"</span>);
<a name="573" href="#573">573</a>         <strong>if</strong> (tmpStr != <strong>null</strong>)  {
<a name="574" href="#574">574</a>             Heritrix.adminContext = tmpStr;
<a name="575" href="#575">575</a>         }
<a name="576" href="#576">576</a>         tmpStr = PropertyUtils.getPropertyOrNull(<span class="string">"heritrix.cmdline.port"</span>);
<a name="577" href="#577">577</a>         <strong>if</strong> (tmpStr != <strong>null</strong>) {
<a name="578" href="#578">578</a>             Heritrix.guiPort = Integer.parseInt(tmpStr);
<a name="579" href="#579">579</a>         }
<a name="580" href="#580">580</a>         tmpStr = PropertyUtils.getPropertyOrNull(<span class="string">"heritrix.cmdline.admin"</span>);
<a name="581" href="#581">581</a>         String adminLoginPassword = (tmpStr == <strong>null</strong>)? <span class="string">""</span>: tmpStr;
<a name="582" href="#582">582</a>         String crawlOrderFile =
<a name="583" href="#583">583</a>             PropertyUtils.getPropertyOrNull(<span class="string">"heritrix.cmdline.order"</span>);
<a name="584" href="#584">584</a>         tmpStr = PropertyUtils.getPropertyOrNull(<span class="string">"heritrix.cmdline.run"</span>);
<a name="585" href="#585">585</a>         <strong>boolean</strong> runMode =
<a name="586" href="#586">586</a>             PropertyUtils.getBooleanProperty(<span class="string">"heritrix.cmdline.run"</span>);
<a name="587" href="#587">587</a>         <strong>boolean</strong> selfTest = false;