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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>SettingsHandler xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/archive/crawler/settings/SettingsHandler.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> SettingsHandler</em></em><a name="2" href="#2">2</a> <em class="comment"> *</em><a name="3" href="#3">3</a> <em class="comment"> * $Id: SettingsHandler.java,v 1.11 2006/08/07 06:29:13 gojomo Exp $</em><a name="4" href="#4">4</a> <em class="comment"> *</em><a name="5" href="#5">5</a> <em class="comment"> * Created on Dec 16, 2003</em><a name="6" href="#6">6</a> <em class="comment"> *</em><a name="7" href="#7">7</a> <em class="comment"> * Copyright (C) 2004 Internet Archive.</em><a name="8" href="#8">8</a> <em class="comment"> *</em><a name="9" href="#9">9</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="10" href="#10">10</a> <em class="comment"> *</em><a name="11" href="#11">11</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="12" href="#12">12</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="13" href="#13">13</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="14" href="#14">14</a> <em class="comment"> * any later version.</em><a name="15" href="#15">15</a> <em class="comment"> *</em><a name="16" href="#16">16</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="17" href="#17">17</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="18" href="#18">18</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="19" href="#19">19</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="20" href="#20">20</a> <em class="comment"> *</em><a name="21" href="#21">21</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="22" href="#22">22</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="23" href="#23">23</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="24" href="#24">24</a> <em class="comment"> */</em><a name="25" href="#25">25</a> <strong>package</strong> <a href="../../../../org/archive/crawler/settings/package-summary.html">org.archive.crawler.settings</a>;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <strong>import</strong> java.io.File;<a name="28" href="#28">28</a> <strong>import</strong> java.lang.reflect.Constructor;<a name="29" href="#29">29</a> <strong>import</strong> java.lang.reflect.InvocationTargetException;<a name="30" href="#30">30</a> <strong>import</strong> java.text.ParseException;<a name="31" href="#31">31</a> <strong>import</strong> java.util.Collection;<a name="32" href="#32">32</a> <strong>import</strong> java.util.Collections;<a name="33" href="#33">33</a> <strong>import</strong> java.util.HashMap;<a name="34" href="#34">34</a> <strong>import</strong> java.util.HashSet;<a name="35" href="#35">35</a> <strong>import</strong> java.util.Iterator;<a name="36" href="#36">36</a> <strong>import</strong> java.util.List;<a name="37" href="#37">37</a> <strong>import</strong> java.util.Map;<a name="38" href="#38">38</a> <strong>import</strong> java.util.Set;<a name="39" href="#39">39</a> <strong>import</strong> java.util.logging.Level;<a name="40" href="#40">40</a> <a name="41" href="#41">41</a> <strong>import</strong> javax.management.AttributeNotFoundException;<a name="42" href="#42">42</a> <strong>import</strong> javax.management.InvalidAttributeValueException;<a name="43" href="#43">43</a> <a name="44" href="#44">44</a> <strong>import</strong> org.archive.crawler.datamodel.CrawlOrder;<a name="45" href="#45">45</a> <strong>import</strong> org.archive.crawler.settings.refinements.Refinement;<a name="46" href="#46">46</a> <strong>import</strong> org.archive.net.UURI;<a name="47" href="#47">47</a> <strong>import</strong> org.archive.util.ArchiveUtils;<a name="48" href="#48">48</a> <a name="49" href="#49">49</a> <em>/**<em>* An instance of this class holds a hierarchy of settings.</em></em><a name="50" href="#50">50</a> <em> *</em><a name="51" href="#51">51</a> <em> * More than one instance in memory is allowed so that a new CrawlJob could</em><a name="52" href="#52">52</a> <em> * be configured while another job is running.</em><a name="53" href="#53">53</a> <em> *</em><a name="54" href="#54">54</a> <em> * This class should be subclassed to adapt to a persistent storage.</em><a name="55" href="#55">55</a> <em> *</em><a name="56" href="#56">56</a> <em> * @author John Erik Halse</em><a name="57" href="#57">57</a> <em> */</em><a name="58" href="#58">58</a> <strong>public</strong> <strong>abstract</strong> <strong>class</strong> <a href="../../../../org/archive/crawler/settings/SettingsHandler.html">SettingsHandler</a> {<a name="59" href="#59">59</a> <em>/**<em>* Cached <a href="../../../../org/archive/crawler/settings/CrawlerSettings.html">CrawlerSettings</a> objects */</em></em><a name="60" href="#60">60</a> <strong>private</strong> <a href="../../../../org/archive/crawler/settings/SettingsCache.html">SettingsCache</a> settingsCache =<a name="61" href="#61">61</a> <strong>new</strong> <a href="../../../../org/archive/crawler/settings/SettingsCache.html">SettingsCache</a>(<strong>new</strong> <a href="../../../../org/archive/crawler/settings/CrawlerSettings.html">CrawlerSettings</a>(<strong>this</strong>, <strong>null</strong>));<a name="62" href="#62">62</a> <a name="63" href="#63">63</a> <em>/**<em>* Reference to the order module */</em></em><a name="64" href="#64">64</a> <strong>private</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlOrder.html">CrawlOrder</a> order;<a name="65" href="#65">65</a> <a name="66" href="#66">66</a> <strong>private</strong> Set valueErrorHandlers = Collections.synchronizedSet(<strong>new</strong> HashSet());<a name="67" href="#67">67</a> <strong>private</strong> <strong>int</strong> errorReportingLevel = Level.ALL.<strong>int</strong>Value();<a name="68" href="#68">68</a> <a name="69" href="#69">69</a> <em>/**<em>* Datatypes supported by the settings framwork */</em></em><a name="70" href="#70">70</a> <strong>final</strong> <strong>static</strong> String INTEGER = <span class="string">"integer"</span>;<a name="71" href="#71">71</a> <strong>final</strong> <strong>static</strong> String LONG = <span class="string">"long"</span>;<a name="72" href="#72">72</a> <strong>final</strong> <strong>static</strong> String FLOAT = <span class="string">"float"</span>;<a name="73" href="#73">73</a> <strong>final</strong> <strong>static</strong> String DOUBLE = <span class="string">"double"</span>;<a name="74" href="#74">74</a> <strong>final</strong> <strong>static</strong> String BOOLEAN = <span class="string">"boolean"</span>;<a name="75" href="#75">75</a> <strong>final</strong> <strong>static</strong> String STRING = <span class="string">"string"</span>;<a name="76" href="#76">76</a> <strong>final</strong> <strong>static</strong> String TEXT = <span class="string">"text"</span>;<a name="77" href="#77">77</a> <strong>final</strong> <strong>static</strong> String OBJECT = <span class="string">"object"</span>;<a name="78" href="#78">78</a> <strong>final</strong> <strong>static</strong> String TIMESTAMP = <span class="string">"timestamp"</span>;<a name="79" href="#79">79</a> <strong>final</strong> <strong>static</strong> String MAP = <span class="string">"map"</span>;<a name="80" href="#80">80</a> <strong>final</strong> <strong>static</strong> String INTEGER_LIST = <span class="string">"integerList"</span>;<a name="81" href="#81">81</a> <strong>final</strong> <strong>static</strong> String LONG_LIST = <span class="string">"longList"</span>;<a name="82" href="#82">82</a> <strong>final</strong> <strong>static</strong> String FLOAT_LIST = <span class="string">"floatList"</span>;<a name="83" href="#83">83</a> <strong>final</strong> <strong>static</strong> String DOUBLE_LIST = <span class="string">"doubleList"</span>;<a name="84" href="#84">84</a> <strong>final</strong> <strong>static</strong> String STRING_LIST = <span class="string">"stringList"</span>;<a name="85" href="#85">85</a> <strong>private</strong> <strong>final</strong> <strong>static</strong> String names[][] = <strong>new</strong> String[][] {<a name="86" href="#86">86</a> { INTEGER, <span class="string">"java.lang.Integer"</span>},<a name="87" href="#87">87</a> { LONG, <span class="string">"java.lang.Long"</span>},<a name="88" href="#88">88</a> { FLOAT, <span class="string">"java.lang.Float"</span>},<a name="89" href="#89">89</a> { DOUBLE, <span class="string">"java.lang.Double"</span>},<a name="90" href="#90">90</a> { BOOLEAN, <span class="string">"java.lang.Boolean"</span>},<a name="91" href="#91">91</a> { STRING, <span class="string">"java.lang.String"</span>},<a name="92" href="#92">92</a> { TEXT, <span class="string">"org.archive.crawler.settings.TextField"</span>},<a name="93" href="#93">93</a> { OBJECT, <span class="string">"org.archive.crawler.settings.ModuleType"</span>},<a name="94" href="#94">94</a> { TIMESTAMP, <span class="string">"java.util.Date"</span>},<a name="95" href="#95">95</a> { MAP, <span class="string">"org.archive.crawler.settings.MapType"</span>},<a name="96" href="#96">96</a> { INTEGER_LIST,<a name="97" href="#97">97</a> <span class="string">"org.archive.crawler.settings.IntegerList"</span>},<a name="98" href="#98">98</a> { LONG_LIST, <span class="string">"org.archive.crawler.settings.LongList"</span>},<a name="99" href="#99">99</a> { FLOAT_LIST, <span class="string">"org.archive.crawler.settings.FloatList"</span>},<a name="100" href="#100">100</a> { DOUBLE_LIST, <span class="string">"org.archive.crawler.settings.DoubleList"</span>},<a name="101" href="#101">101</a> { STRING_LIST, <span class="string">"org.archive.crawler.settings.StringList"</span>}};<a name="102" href="#102">102</a> <strong>private</strong> <strong>final</strong> <strong>static</strong> Map name2<strong>class</strong> = <strong>new</strong> HashMap();<a name="103" href="#103">103</a> <strong>private</strong> <strong>final</strong> <strong>static</strong> Map <strong>class</strong>2name = <strong>new</strong> HashMap();<a name="104" href="#104">104</a> <strong>static</strong> {<a name="105" href="#105">105</a> <strong>for</strong> (<strong>int</strong> i = 0; i < names.length; i++) {<a name="106" href="#106">106</a> name2<strong>class</strong>.put(names[i][0], names[i][1]);<a name="107" href="#107">107</a> <strong>class</strong>2name.put(names[i][1], names[i][0]);<a name="108" href="#108">108</a> }<a name="109" href="#109">109</a> }<a name="110" href="#110">110</a> <a name="111" href="#111">111</a> <em>/**<em>* Create a new SettingsHandler object.</em></em><a name="112" href="#112">112</a> <em> *</em><a name="113" href="#113">113</a> <em> * @throws InvalidAttributeValueException</em><a name="114" href="#114">114</a> <em> */</em><a name="115" href="#115">115</a> <strong>public</strong> <a href="../../../../org/archive/crawler/settings/SettingsHandler.html">SettingsHandler</a>() throws InvalidAttributeValueException {<a name="116" href="#116">116</a> order = <strong>new</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlOrder.html">CrawlOrder</a>();<a name="117" href="#117">117</a> order.setAsOrder(<strong>this</strong>);<a name="118" href="#118">118</a> }<a name="119" href="#119">119</a> <a name="120" href="#120">120</a> <em>/**<em>* Initialize the SettingsHandler.</em></em><a name="121" href="#121">121</a> <em> *</em><a name="122" href="#122">122</a> <em> * This method reads the default settings from the persistent storage.</em><a name="123" href="#123">123</a> <em> */</em><a name="124" href="#124">124</a> <strong>public</strong> <strong>void</strong> initialize() {<a name="125" href="#125">125</a> readSettingsObject(settingsCache.getGlobalSettings());<a name="126" href="#126">126</a> }<a name="127" href="#127">127</a> <a name="128" href="#128">128</a> <strong>public</strong> <strong>void</strong> cleanup() {<a name="129" href="#129">129</a> <strong>this</strong>.settingsCache = <strong>null</strong>;<a name="130" href="#130">130</a> <strong>if</strong> (<strong>this</strong>.order != <strong>null</strong>) {<a name="131" href="#131">131</a> <strong>this</strong>.order.setController(<strong>null</strong>);<a name="132" href="#132">132</a> }<a name="133" href="#133">133</a> <strong>this</strong>.order = <strong>null</strong>;⌨️ 快捷键说明
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