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<!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>CoreAttributeConstants xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/archive/crawler/datamodel/CoreAttributeConstants.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> Copyright (C) 2003 Internet Archive.</em></em><a name="2" href="#2">2</a> <em class="comment"> *</em><a name="3" href="#3">3</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="4" href="#4">4</a> <em class="comment"> *</em><a name="5" href="#5">5</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="6" href="#6">6</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="7" href="#7">7</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="8" href="#8">8</a> <em class="comment"> * any later version.</em><a name="9" href="#9">9</a> <em class="comment"> *</em><a name="10" href="#10">10</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="11" href="#11">11</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="12" href="#12">12</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="13" href="#13">13</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="14" href="#14">14</a> <em class="comment"> *</em><a name="15" href="#15">15</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="16" href="#16">16</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="17" href="#17">17</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="18" href="#18">18</a> <em class="comment"> *</em><a name="19" href="#19">19</a> <em class="comment"> * CoreAttributeConstants.java</em><a name="20" href="#20">20</a> <em class="comment"> * Created on Jun 17, 2003</em><a name="21" href="#21">21</a> <em class="comment"> *</em><a name="22" href="#22">22</a> <em class="comment"> * $Header: /cvsroot/archive-crawler/ArchiveOpenCrawler/src//**</em><a name="23" href="#23">23</a> <em class="comment"> * @author gojomo</em><a name="24" href="#24">24</a> <em class="comment"> *</em><a name="25" href="#25">25</a> <em class="comment"> */</em><a name="26" href="#26">26</a> <strong>package</strong> <a href="../../../../org/archive/crawler/datamodel/package-summary.html">org.archive.crawler.datamodel</a>;<a name="27" href="#27">27</a> <a name="28" href="#28">28</a> <em>/**<em>*</em></em><a name="29" href="#29">29</a> <em> * CrawlURI attribute keys used by the core crawler</em><a name="30" href="#30">30</a> <em> * classes.</em><a name="31" href="#31">31</a> <em> *</em><a name="32" href="#32">32</a> <em> * @author gojomo</em><a name="33" href="#33">33</a> <em> *</em><a name="34" href="#34">34</a> <em> */</em><a name="35" href="#35">35</a> <strong>public</strong> <strong>interface</strong> <a href="../../../../org/archive/crawler/datamodel/CoreAttributeConstants.html">CoreAttributeConstants</a> {<a name="36" href="#36">36</a> <a name="37" href="#37">37</a> <em>/**<em>*</em></em><a name="38" href="#38">38</a> <em> * Extracted MIME type of fetched content; should be</em><a name="39" href="#39">39</a> <em> * set immediately by fetching module if possible</em><a name="40" href="#40">40</a> <em> * (rather than waiting for a later analyzer)</em><a name="41" href="#41">41</a> <em> */</em><a name="42" href="#42">42</a> <strong>public</strong> <strong>static</strong> String A_CONTENT_TYPE = <span class="string">"content-type"</span>;<a name="43" href="#43">43</a> <a name="44" href="#44">44</a> <em>/**<em>*</em></em><a name="45" href="#45">45</a> <em> * Multiplier of last fetch duration to wait before</em><a name="46" href="#46">46</a> <em> * fetching another item of the same class (eg host)</em><a name="47" href="#47">47</a> <em> */</em><a name="48" href="#48">48</a> <strong>public</strong> <strong>static</strong> String A_DELAY_FACTOR = <span class="string">"delay-factor"</span>;<a name="49" href="#49">49</a> <em>/**<em>*</em></em><a name="50" href="#50">50</a> <em> * Minimum delay before fetching another item of th</em><a name="51" href="#51">51</a> <em> * same class (eg host). Even if lastFetchTime*delayFactor</em><a name="52" href="#52">52</a> <em> * is less than this, this period will be waited.</em><a name="53" href="#53">53</a> <em> */</em><a name="54" href="#54">54</a> <strong>public</strong> <strong>static</strong> String A_MINIMUM_DELAY = <span class="string">"minimum-delay"</span>;<a name="55" href="#55">55</a> <a name="56" href="#56">56</a> <strong>public</strong> <strong>static</strong> String A_RRECORD_SET_LABEL = <span class="string">"dns-records"</span>;<a name="57" href="#57">57</a> <strong>public</strong> <strong>static</strong> String A_DNS_FETCH_TIME = <span class="string">"dns-fetch-time"</span>;<a name="58" href="#58">58</a> <strong>public</strong> <strong>static</strong> String A_DNS_SERVER_IP_LABEL = <span class="string">"dns-server-ip"</span>;<a name="59" href="#59">59</a> <strong>public</strong> <strong>static</strong> String A_FETCH_BEGAN_TIME= <span class="string">"fetch-began-time"</span>;<a name="60" href="#60">60</a> <strong>public</strong> <strong>static</strong> String A_FETCH_COMPLETED_TIME = <span class="string">"fetch-completed-time"</span>;<a name="61" href="#61">61</a> <strong>public</strong> <strong>static</strong> String A_HTTP_TRANSACTION = <span class="string">"http-transaction"</span>;<a name="62" href="#62">62</a> <a name="63" href="#63">63</a> <strong>public</strong> <strong>static</strong> String A_RUNTIME_EXCEPTION = <span class="string">"runtime-exception"</span>;<a name="64" href="#64">64</a> <strong>public</strong> <strong>static</strong> String A_LOCALIZED_ERRORS = <span class="string">"localized-errors"</span>;<a name="65" href="#65">65</a> <a name="66" href="#66">66</a> <em>/**<em>* shorthand string tokens indicating notable occurences,</em></em><a name="67" href="#67">67</a> <em> * separated by commas */</em><a name="68" href="#68">68</a> <strong>public</strong> <strong>static</strong> String A_ANNOTATIONS = <span class="string">"annotations"</span>;<a name="69" href="#69">69</a> <a name="70" href="#70">70</a> <strong>public</strong> <strong>static</strong> String A_PREREQUISITE_URI = <span class="string">"prerequisite-uri"</span>;<a name="71" href="#71">71</a> <strong>public</strong> <strong>static</strong> String A_DISTANCE_FROM_SEED = <span class="string">"distance-from-seed"</span>;<a name="72" href="#72">72</a> <strong>public</strong> <strong>static</strong> String A_HTML_BASE = <span class="string">"html-base-href"</span>;<a name="73" href="#73">73</a> <strong>public</strong> <strong>static</strong> String A_RETRY_DELAY = <span class="string">"retry-delay"</span>;<a name="74" href="#74">74</a> <a name="75" href="#75">75</a> <strong>public</strong> <strong>static</strong> String A_META_ROBOTS = <span class="string">"meta-robots"</span>;<a name="76" href="#76">76</a> <em>/**<em>* </em></em><a name="77" href="#77">77</a> <em> * Define for org.archive.crawler.writer.MirrorWriterProcessor.</em><a name="78" href="#78">78</a> <em> */</em><a name="79" href="#79">79</a> <strong>public</strong> <strong>static</strong> String A_MIRROR_PATH = <span class="string">"mirror-path"</span>;<a name="80" href="#80">80</a> <a name="81" href="#81">81</a> <em>/**<em>*</em></em><a name="82" href="#82">82</a> <em> * Key to get credential avatars from A_LIST.</em><a name="83" href="#83">83</a> <em> */</em><a name="84" href="#84">84</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_CREDENTIAL_AVATARS_KEY =<a name="85" href="#85">85</a> <span class="string">"credential-avatars"</span>;<a name="86" href="#86">86</a> <a name="87" href="#87">87</a> <em>/**<em>* a 'source' (usu. URI) that's inherited by discovered URIs */</em></em><a name="88" href="#88">88</a> <strong>public</strong> <strong>static</strong> String A_SOURCE_TAG = <span class="string">"source"</span>;<a name="89" href="#89">89</a> <a name="90" href="#90">90</a> <em>/**<em>*</em></em><a name="91" href="#91">91</a> <em> * Key to (optional) attribute specifying a list of keys that</em><a name="92" href="#92">92</a> <em> * are passed to CandidateURIs that 'descend' (are discovered </em><a name="93" href="#93">93</a> <em> * via) this URI. </em><a name="94" href="#94">94</a> <em> */</em><a name="95" href="#95">95</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_HERITABLE_KEYS = <span class="string">"heritable"</span>;<a name="96" href="#96">96</a> <a name="97" href="#97">97</a> <em>/**<em>* flag indicating the containing queue should be retired */</em> </em><a name="98" href="#98">98</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_FORCE_RETIRE = <span class="string">"force-retire"</span>;<a name="99" href="#99">99</a> <a name="100" href="#100">100</a> <em>/**<em>* local override of proxy host */</em> </em><a name="101" href="#101">101</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_HTTP_PROXY_HOST = <span class="string">"http-proxy-host"</span>;<a name="102" href="#102">102</a> <em>/**<em>* local override of proxy port */</em> </em><a name="103" href="#103">103</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_HTTP_PROXY_PORT = <span class="string">"http-proxy-port"</span>;<a name="104" href="#104">104</a> <a name="105" href="#105">105</a> <a name="106" href="#106">106</a> <em>/**<em>*</em></em><a name="107" href="#107">107</a> <em> * Fetch truncation codes present in {@link CrawlURI} annotations.</em><a name="108" href="#108">108</a> <em> * All truncation annotations have a <code>TRUNC_SUFFIX</code> suffix (TODO:</em><a name="109" href="#109">109</a> <em> * Make for-sure unique or redo truncation so definitive flag marked</em><a name="110" href="#110">110</a> <em> * against {@link CrawlURI}).</em><a name="111" href="#111">111</a> <em> */</em><a name="112" href="#112">112</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String TRUNC_SUFFIX = <span class="string">"Trunc"</span>;<a name="113" href="#113">113</a> <em class="comment">// headerTrunc</em><a name="114" href="#114">114</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String HEADER_TRUNC = <span class="string">"header"</span> + TRUNC_SUFFIX; <a name="115" href="#115">115</a> <em class="comment">// timeTrunc</em><a name="116" href="#116">116</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String TIMER_TRUNC = <span class="string">"time"</span> + TRUNC_SUFFIX;<a name="117" href="#117">117</a> <em class="comment">// lenTrunc</em><a name="118" href="#118">118</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String LENGTH_TRUNC = <span class="string">"len"</span> + TRUNC_SUFFIX;<a name="119" href="#119">119</a> <a name="120" href="#120">120</a> <em class="comment">/*<em class="comment"> Duplication-reduction / recrawl / history constants */</em></em><a name="121" href="#121">121</a> <a name="122" href="#122">122</a> <em>/**<em>* fetch history array */</em> </em><a name="123" href="#123">123</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_FETCH_HISTORY = <span class="string">"fetch-history"</span>;<a name="124" href="#124">124</a> <em>/**<em>* content digest */</em></em><a name="125" href="#125">125</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_CONTENT_DIGEST = <span class="string">"content-digest"</span>;<a name="126" href="#126">126</a> <em>/**<em>* header name (and AList key) for last-modified timestamp */</em></em><a name="127" href="#127">127</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_LAST_MODIFIED_HEADER = <span class="string">"last-modified"</span>;<a name="128" href="#128">128</a> <em>/**<em>* header name (and AList key) for ETag */</em></em><a name="129" href="#129">129</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_ETAG_HEADER = <span class="string">"etag"</span>; <a name="130" href="#130">130</a> <em>/**<em>* key for status (when in history) */</em></em><a name="131" href="#131">131</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_STATUS = <span class="string">"status"</span>; <a name="132" href="#132">132</a> <em>/**<em>* reference length (content length or virtual length */</em></em><a name="133" href="#133">133</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String A_REFERENCE_LENGTH = <span class="string">"reference-length"</span>;<a name="134" href="#134">134</a> <a name="135" href="#135">135</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>?? 快捷鍵說明
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