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230 lines
10 KiB
230 lines
10 KiB
//CrawlService.java
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//------------------------
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//part of YaCy
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//(C) by Michael Peter Christen; mc@anomic.de
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//first published on http://www.anomic.de
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//Frankfurt, Germany, 2005
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//
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//this file was contributed by Martin Thelian
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//last major change: $LastChangedDate$ by $LastChangedBy$
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//Revision: $LastChangedRevision$
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//
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//This program is free software; you can redistribute it and/or modify
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//it under the terms of the GNU General Public License as published by
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//the Free Software Foundation; either version 2 of the License, or
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//(at your option) any later version.
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//
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//This program is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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//GNU General Public License for more details.
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//
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//You should have received a copy of the GNU General Public License
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//along with this program; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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//Using this software in any meaning (reading, learning, copying, compiling,
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//running) means that you agree that the Author(s) is (are) not responsible
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//for cost, loss of data or any harm that may be caused directly or indirectly
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//by usage of this softare or this documentation. The usage of this software
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//is on your own risk. The installation and usage (starting/running) of this
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//software may allow other people or application to access your computer and
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//any attached devices and is highly dependent on the configuration of the
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//software which must be done by the user of the software; the author(s) is
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//(are) also not responsible for proper configuration and usage of the
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//software, even if provoked by documentation provided together with
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//the software.
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//
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//Any changes to this file according to the GPL as documented in the file
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//gpl.txt aside this file in the shipment you received can be done to the
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//lines that follows this copyright notice here, but changes must not be
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//done inside the copyright notive above. A re-distribution must contain
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//the intact and unchanged copyright notice.
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//Contributions and changes to the program code must be marked as such.
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package de.anomic.soap.services;
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import javax.xml.parsers.ParserConfigurationException;
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import org.apache.axis.AxisFault;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.soap.AbstractService;
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public class CrawlService extends AbstractService {
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private static final String GLOBALCRAWLTRIGGER = "globalcrawltrigger";
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private static final String REMOTETRIGGEREDCRAWL = "remotetriggeredcrawl";
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private static final String LOCAL_CRAWL = "localCrawl";
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private static final String CRAWL_STATE = "crawlState";
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/**
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* Constant: template for crawling
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*/
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private static final String TEMPLATE_CRAWLING = "QuickCrawlLink_p.xml";
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/**
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* Function to crawl a single link with depth <code>0</code>
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*/
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public Document crawlSingleUrl(String crawlingURL) throws AxisFault {
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return this.crawling(crawlingURL, "CRAWLING-ROOT", new Integer(0), ".*", Boolean.TRUE, Boolean.TRUE, Boolean.TRUE, Boolean.TRUE, Boolean.FALSE, null, Boolean.TRUE);
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}
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public Document crawling(
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String crawlingURL,
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String crawljobTitel,
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Integer crawlingDepth,
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String crawlingFilter,
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Boolean indexText,
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Boolean indexMedia,
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Boolean crawlingQ,
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Boolean storeHTCache,
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Boolean crawlOrder,
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String crawlOrderIntention,
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Boolean xsstopw
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) throws AxisFault {
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try {
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// extracting the message context
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extractMessageContext(true);
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// setting the crawling properties
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serverObjects args = new serverObjects();
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args.put("url",crawlingURL);
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if (crawljobTitel != null && crawljobTitel.length() > 0)
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args.put("title",crawljobTitel);
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if (crawlingFilter != null && crawlingFilter.length() > 0)
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args.put("crawlingFilter",crawlingFilter);
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if (crawlingDepth != null && crawlingDepth.intValue() > 0)
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args.put("crawlingDepth",crawlingDepth.toString());
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if (indexText != null)
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args.put("indexText",indexText.booleanValue()?"on":"off");
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if (indexMedia != null)
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args.put("indexMedia",indexMedia.booleanValue()?"on":"off");
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if (crawlingQ != null)
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args.put("crawlingQ",crawlingQ.booleanValue()?"on":"off");
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if (storeHTCache != null)
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args.put("storeHTCache",storeHTCache.booleanValue()?"on":"off");
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if (crawlOrder != null)
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args.put("crawlOrder",crawlOrder.booleanValue()?"on":"off");
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if (crawlOrderIntention != null)
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args.put("intention",crawlOrderIntention);
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if (xsstopw != null)
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args.put("xsstopw",xsstopw.booleanValue()?"on":"off");
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// triggering the crawling
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byte[] result = this.serverContext.writeTemplate(TEMPLATE_CRAWLING, args, this.requestHeader);
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// sending back the result to the client
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return this.convertContentToXML(result);
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} catch (Exception e) {
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throw new AxisFault(e.getMessage());
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}
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}
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/**
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* Function to pause crawling of local crawl jobs, remote crawl jobs and sending of remote crawl job triggers
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* @throws AxisFault
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*/
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public void pauseCrawling() throws AxisFault {
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this.pauseResumeCrawling(Boolean.TRUE, Boolean.TRUE, Boolean.TRUE);
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}
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/**
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* Function to resume crawling of local crawl jobs, remote crawl jobs and sending of remote crawl job triggers
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* @throws AxisFault
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*/
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public void resumeCrawling() throws AxisFault {
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this.pauseResumeCrawling(Boolean.FALSE, Boolean.FALSE, Boolean.FALSE);
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}
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/**
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* Function to pause or resume crawling of local crawl jobs, remote crawl jobs and sending of remote crawl job triggers
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* @param localCrawl if <code>null</code> current status is not changed. pause local crawls if <code>true</code> or
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* resumes local crawls if <code>false</code>
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* @param remoteTriggeredCrawl if <code>null</code> current status is not changed. pause remote crawls if <code>true</code> or
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* resumes remote crawls if <code>false</code>
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* @param globalCrawlTrigger if <code>null</code> current status is not changed. stops sending of global crawl triggers to other peers if <code>true</code> or
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* resumes sending of global crawl triggers if <code>false</code>
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* @throws AxisFault
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*/
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public void pauseResumeCrawling(Boolean localCrawl, Boolean remoteTriggeredCrawl, Boolean globalCrawlTrigger) throws AxisFault {
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// extracting the message context
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extractMessageContext(true);
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if (localCrawl != null) {
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if (localCrawl.booleanValue()) {
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((plasmaSwitchboard)this.switchboard).pauseCrawlJob(plasmaSwitchboard.CRAWLJOB_LOCAL_CRAWL);
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} else {
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((plasmaSwitchboard)this.switchboard).continueCrawlJob(plasmaSwitchboard.CRAWLJOB_LOCAL_CRAWL);
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}
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}
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if (remoteTriggeredCrawl != null) {
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if (remoteTriggeredCrawl.booleanValue()) {
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((plasmaSwitchboard)this.switchboard).pauseCrawlJob(plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL);
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} else {
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((plasmaSwitchboard)this.switchboard).continueCrawlJob(plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL);
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}
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}
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if (globalCrawlTrigger != null) {
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if (globalCrawlTrigger.booleanValue()) {
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((plasmaSwitchboard)this.switchboard).pauseCrawlJob(plasmaSwitchboard.CRAWLJOB_GLOBAL_CRAWL_TRIGGER);
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} else {
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((plasmaSwitchboard)this.switchboard).continueCrawlJob(plasmaSwitchboard.CRAWLJOB_GLOBAL_CRAWL_TRIGGER);
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}
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}
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}
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/**
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* Function to query the current state of the following crawling queues:
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* <ul>
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* <li>local crawl jobs</li>
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* <li>remote crawl jobs</li>
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* <li>of remote crawl job triggers</li>
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* </ul>
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* @return returns a XML document in the following format
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* <pre>
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* <?xml version="1.0" encoding="UTF-8"?>
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* <crawlState>
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* <localCrawl>true</localCrawl>
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* <remotetriggeredcrawl>false</remotetriggeredcrawl>
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* <globalcrawltrigger>false</globalcrawltrigger>
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* </crawlState>
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* </pre>
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* @throws AxisFault if authentication failed
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* @throws ParserConfigurationException if xml generation failed
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*/
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public Document getCrawlPauseResumeState() throws AxisFault, ParserConfigurationException {
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// extracting the message context
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extractMessageContext(AUTHENTICATION_NEEDED);
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plasmaSwitchboard sb = (plasmaSwitchboard)this.switchboard;
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// creating XML document
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Element xmlElement = null;
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Document xmlDoc = createNewXMLDocument(CRAWL_STATE);
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Element xmlRoot = xmlDoc.getDocumentElement();
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xmlElement = xmlDoc.createElement(LOCAL_CRAWL);
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xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(sb.crawlJobIsPaused(plasmaSwitchboard.CRAWLJOB_LOCAL_CRAWL))));
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xmlRoot.appendChild(xmlElement);
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xmlElement = xmlDoc.createElement(REMOTETRIGGEREDCRAWL);
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xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(sb.crawlJobIsPaused(plasmaSwitchboard.CRAWLJOB_REMOTE_TRIGGERED_CRAWL))));
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xmlRoot.appendChild(xmlElement);
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xmlElement = xmlDoc.createElement(GLOBALCRAWLTRIGGER);
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xmlElement.appendChild(xmlDoc.createTextNode(Boolean.toString(sb.crawlJobIsPaused(plasmaSwitchboard.CRAWLJOB_GLOBAL_CRAWL_TRIGGER))));
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xmlRoot.appendChild(xmlElement);
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return xmlDoc;
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}
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}
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