📄 crawlstateupdater.html
字号:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>CrawlStateUpdater xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/archive/crawler/postprocessor/CrawlStateUpdater.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> CrawlStateUpdater</em></em><a name="2" href="#2">2</a> <em class="comment"> *</em><a name="3" href="#3">3</a> <em class="comment"> * Created on Jun 5, 2003</em><a name="4" href="#4">4</a> <em class="comment"> *</em><a name="5" href="#5">5</a> <em class="comment"> * Copyright (C) 2003 Internet Archive.</em><a name="6" href="#6">6</a> <em class="comment"> *</em><a name="7" href="#7">7</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="8" href="#8">8</a> <em class="comment"> *</em><a name="9" href="#9">9</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="10" href="#10">10</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="11" href="#11">11</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="12" href="#12">12</a> <em class="comment"> * any later version.</em><a name="13" href="#13">13</a> <em class="comment"> *</em><a name="14" href="#14">14</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="15" href="#15">15</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="16" href="#16">16</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="17" href="#17">17</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="18" href="#18">18</a> <em class="comment"> *</em><a name="19" href="#19">19</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="20" href="#20">20</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="21" href="#21">21</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="22" href="#22">22</a> <em class="comment"> */</em><a name="23" href="#23">23</a> <strong>package</strong> <a href="../../../../org/archive/crawler/postprocessor/package-summary.html">org.archive.crawler.postprocessor</a>;<a name="24" href="#24">24</a> <a name="25" href="#25">25</a> <strong>import</strong> java.io.IOException;<a name="26" href="#26">26</a> <strong>import</strong> java.util.logging.Logger;<a name="27" href="#27">27</a> <a name="28" href="#28">28</a> <strong>import</strong> org.apache.commons.httpclient.URIException;<a name="29" href="#29">29</a> <strong>import</strong> org.archive.crawler.datamodel.CoreAttributeConstants;<a name="30" href="#30">30</a> <strong>import</strong> org.archive.crawler.datamodel.CrawlHost;<a name="31" href="#31">31</a> <strong>import</strong> org.archive.crawler.datamodel.CrawlServer;<a name="32" href="#32">32</a> <strong>import</strong> org.archive.crawler.datamodel.CrawlURI;<a name="33" href="#33">33</a> <strong>import</strong> org.archive.crawler.datamodel.FetchStatusCodes;<a name="34" href="#34">34</a> <strong>import</strong> org.archive.crawler.framework.Processor;<a name="35" href="#35">35</a> <strong>import</strong> org.archive.crawler.framework.Frontier.FrontierGroup;<a name="36" href="#36">36</a> <a name="37" href="#37">37</a> <a name="38" href="#38">38</a> <em>/**<em>*</em></em><a name="39" href="#39">39</a> <em> * A step, late in the processing of a CrawlURI, for updating the per-host</em><a name="40" href="#40">40</a> <em> * information that may have been affected by the fetch. This will initially</em><a name="41" href="#41">41</a> <em> * be robots and ip address info; it could include other per-host stats that</em><a name="42" href="#42">42</a> <em> * would affect the crawl (like total pages visited at the site) as well.</em><a name="43" href="#43">43</a> <em> *</em><a name="44" href="#44">44</a> <em> * @author gojomo</em><a name="45" href="#45">45</a> <em> * @version $Date: 2006/08/04 01:40:32 $, $Revision: 1.11 $</em><a name="46" href="#46">46</a> <em> */</em><a name="47" href="#47">47</a> <strong>public</strong> <strong>class</strong> <a href="../../../../org/archive/crawler/postprocessor/CrawlStateUpdater.html">CrawlStateUpdater</a> <strong>extends</strong> <a href="../../../../org/archive/crawler/framework/Processor.html">Processor</a> implements<a name="48" href="#48">48</a> CoreAttributeConstants, <a href="../../../../org/archive/crawler/datamodel/FetchStatusCodes.html">FetchStatusCodes</a> {<a name="49" href="#49">49</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> Logger logger =<a name="50" href="#50">50</a> Logger.getLogger(CrawlStateUpdater.<strong>class</strong>.getName());<a name="51" href="#51">51</a> <a name="52" href="#52">52</a> <strong>public</strong> <a href="../../../../org/archive/crawler/postprocessor/CrawlStateUpdater.html">CrawlStateUpdater</a>(String name) {<a name="53" href="#53">53</a> <strong>super</strong>(name, <span class="string">"Crawl state updater"</span>);<a name="54" href="#54">54</a> }<a name="55" href="#55">55</a> <a name="56" href="#56">56</a> <strong>protected</strong> <strong>void</strong> innerProcess(<a href="../../../../org/archive/crawler/datamodel/CrawlURI.html">CrawlURI</a> curi) {<a name="57" href="#57">57</a> <em class="comment">// Tally per-server, per-host, per-frontier-class running totals</em><a name="58" href="#58">58</a> <a href="../../../../org/archive/crawler/datamodel/CrawlServer.html">CrawlServer</a> server =<a name="59" href="#59">59</a> getController().getServerCache().getServerFor(curi);<a name="60" href="#60">60</a> <strong>if</strong> (server != <strong>null</strong>) {<a name="61" href="#61">61</a> server.getSubstats().tally(curi);<a name="62" href="#62">62</a> }<a name="63" href="#63">63</a> <a href="../../../../org/archive/crawler/datamodel/CrawlHost.html">CrawlHost</a> host = <a name="64" href="#64">64</a> getController().getServerCache().getHostFor(curi);<a name="65" href="#65">65</a> <strong>if</strong> (host != <strong>null</strong>) {<a name="66" href="#66">66</a> host.getSubstats().tally(curi);<a name="67" href="#67">67</a> } <a name="68" href="#68">68</a> FrontierGroup group = <a name="69" href="#69">69</a> getController().getFrontier().getGroup(curi);<a name="70" href="#70">70</a> group.getSubstats().tally(curi);<a name="71" href="#71">71</a> <a name="72" href="#72">72</a> String scheme = curi.getUURI().getScheme().toLowerCase();<a name="73" href="#73">73</a> <strong>if</strong> (scheme.equals(<span class="string">"http"</span>) || scheme.equals(<span class="string">"https"</span>) &&<a name="74" href="#74">74</a> server != <strong>null</strong>) {<a name="75" href="#75">75</a> <em class="comment">// Update connection problems counter</em><a name="76" href="#76">76</a> <strong>if</strong>(curi.getFetchStatus() == S_CONNECT_FAILED) {<a name="77" href="#77">77</a> server.incrementConsecutiveConnectionErrors();<a name="78" href="#78">78</a> } <strong>else</strong> <strong>if</strong> (curi.getFetchStatus() > 0){<a name="79" href="#79">79</a> server.resetConsecutiveConnectionErrors();<a name="80" href="#80">80</a> }<a name="81" href="#81">81</a> <a name="82" href="#82">82</a> <em class="comment">// Update robots info</em><a name="83" href="#83">83</a> <strong>try</strong> {<a name="84" href="#84">84</a> <strong>if</strong> (curi.getUURI().getPath() != <strong>null</strong> &&<a name="85" href="#85">85</a> curi.getUURI().getPath().equals(<span class="string">"/robots.txt"</span>)) {<a name="86" href="#86">86</a> <em class="comment">// Update server with robots info</em><a name="87" href="#87">87</a> server.updateRobots(curi);<a name="88" href="#88">88</a> }<a name="89" href="#89">89</a> }<a name="90" href="#90">90</a> <strong>catch</strong> (URIException e) {<a name="91" href="#91">91</a> logger.severe(<span class="string">"Failed get path on "</span> + curi.getUURI());<a name="92" href="#92">92</a> }<a name="93" href="#93">93</a> }<a name="94" href="#94">94</a> }<a name="95" href="#95">95</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -