externalgeolocationdeciderule.html

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<a name="77" href="#77">77</a>              <span class="string">"Name of implementation of ExternalGeoLookupInterface class to "</span> +
<a name="78" href="#78">78</a>              <span class="string">"instantiate."</span>, <span class="string">""</span>));
<a name="79" href="#79">79</a>          addElementToDefinition(<strong>new</strong> <a href="../../../../org/archive/crawler/settings/SimpleType.html">SimpleType</a>(ATTR_COUNTRY_CODE,
<a name="80" href="#80">80</a>                  <span class="string">"Country code name."</span>, <span class="string">""</span>));
<a name="81" href="#81">81</a>  
<a name="82" href="#82">82</a>      }
<a name="83" href="#83">83</a>      
<a name="84" href="#84">84</a>      <strong>protected</strong> <strong>boolean</strong> evaluate(Object obj) {
<a name="85" href="#85">85</a>          <a href="../../../../org/archive/crawler/deciderules/ExternalGeoLookupInterface.html">ExternalGeoLookupInterface</a> impl = getConfiguredImplementation(obj);
<a name="86" href="#86">86</a>          <strong>if</strong> (impl == <strong>null</strong>) {
<a name="87" href="#87">87</a>              <strong>return</strong> false;
<a name="88" href="#88">88</a>          }
<a name="89" href="#89">89</a>          <a href="../../../../org/archive/crawler/datamodel/CrawlHost.html">CrawlHost</a> crawlHost = <strong>null</strong>;
<a name="90" href="#90">90</a>          String host;
<a name="91" href="#91">91</a>          InetAddress address;
<a name="92" href="#92">92</a>          <strong>try</strong> {
<a name="93" href="#93">93</a>  			<strong>if</strong> (obj instanceof CandidateURI) {
<a name="94" href="#94">94</a>  				host = ((CandidateURI) obj).getUURI().getHost();
<a name="95" href="#95">95</a>  				crawlHost = getSettingsHandler().getOrder()
<a name="96" href="#96">96</a>  				   .getController().getServerCache().getHostFor(host);
<a name="97" href="#97">97</a>  				<strong>if</strong> (crawlHost.getCountryCode() != <strong>null</strong>){
<a name="98" href="#98">98</a>  				   <strong>return</strong> (crawlHost.getCountryCode().equals(countryCode))
<a name="99" href="#99">99</a>  				   				? <strong>true</strong> : false;
<a name="100" href="#100">100</a> 				}
<a name="101" href="#101">101</a> 				address = crawlHost.getIP();
<a name="102" href="#102">102</a> 				<strong>if</strong> (address == <strong>null</strong>) {
<a name="103" href="#103">103</a> 					address = Address.getByName(host); 
<a name="104" href="#104">104</a> 				}
<a name="105" href="#105">105</a> 				crawlHost.setCountryCode((String)impl.lookup(address));
<a name="106" href="#106">106</a> 				<strong>if</strong> (crawlHost.getCountryCode().equals(countryCode)){
<a name="107" href="#107">107</a> 					LOGGER.fine(<span class="string">"Country Code Lookup: "</span> + <span class="string">" "</span> + host +
<a name="108" href="#108">108</a> 							crawlHost.getCountryCode());
<a name="109" href="#109">109</a> 					<strong>return</strong> <strong>true</strong>;
<a name="110" href="#110">110</a> 				}
<a name="111" href="#111">111</a> 			}
<a name="112" href="#112">112</a> 		} <strong>catch</strong> (UnknownHostException e) {
<a name="113" href="#113">113</a> 			LOGGER.log(Level.FINE, <span class="string">"Failed dns lookup "</span> + obj, e);
<a name="114" href="#114">114</a> 			<strong>if</strong> (crawlHost != <strong>null</strong>){
<a name="115" href="#115">115</a> 				crawlHost.setCountryCode(DEFAULT_COUNTRY_CODE);
<a name="116" href="#116">116</a> 			}
<a name="117" href="#117">117</a> 		} <strong>catch</strong> (URIException e) {
<a name="118" href="#118">118</a> 			LOGGER.log(Level.FINE, <span class="string">"Failed to parse hostname "</span> + obj, e);
<a name="119" href="#119">119</a> 		}
<a name="120" href="#120">120</a> 		
<a name="121" href="#121">121</a> 		<strong>return</strong> false;
<a name="122" href="#122">122</a>     }
<a name="123" href="#123">123</a>     
<a name="124" href="#124">124</a>     <em>/**<em>*</em></em>
<a name="125" href="#125">125</a> <em>	 * Get implementation, if one specified. If none specified, will keep trying</em>
<a name="126" href="#126">126</a> <em>	 * to find one. Will be messy if the provided class is not-instantiable</em>
<a name="127" href="#127">127</a> <em>	 * </em>
<a name="128" href="#128">128</a> <em>	 * @param o A context object.</em>
<a name="129" href="#129">129</a> <em>	 * @return Instance of &lt;code>ExternalGeoLookupInterface&lt;/code> or null.</em>
<a name="130" href="#130">130</a> <em>	 */</em>
<a name="131" href="#131">131</a>     <strong>protected</strong> <strong>synchronized</strong> <a href="../../../../org/archive/crawler/deciderules/ExternalGeoLookupInterface.html">ExternalGeoLookupInterface</a>
<a name="132" href="#132">132</a>             getConfiguredImplementation(Object o) {
<a name="133" href="#133">133</a>         <strong>if</strong> (<strong>this</strong>.implementation != <strong>null</strong>) {
<a name="134" href="#134">134</a>             <strong>return</strong> <strong>this</strong>.implementation;
<a name="135" href="#135">135</a>         }
<a name="136" href="#136">136</a>         <a href="../../../../org/archive/crawler/deciderules/ExternalGeoLookupInterface.html">ExternalGeoLookupInterface</a> result = <strong>null</strong>;
<a name="137" href="#137">137</a>         <strong>try</strong> {
<a name="138" href="#138">138</a>         	String className =
<a name="139" href="#139">139</a>                 (String)getAttribute(o, ATTR_IMPLEMENTATION);
<a name="140" href="#140">140</a>             countryCode = (String)getAttribute(o, ATTR_COUNTRY_CODE);
<a name="141" href="#141">141</a>             <strong>if</strong> (className != <strong>null</strong> &amp;&amp; className.length() != 0) {
<a name="142" href="#142">142</a>                 Object obj = Class.forName(className).getConstructor(<strong>new</strong> Class[]
<a name="143" href="#143">143</a>                       {String.<strong>class</strong>}).<strong>new</strong>Instance(<strong>new</strong> Object[] {countryCode});
<a name="144" href="#144">144</a>                 <strong>if</strong> (!(obj instanceof ExternalGeoLookupInterface)) {
<a name="145" href="#145">145</a>                     LOGGER.severe(<span class="string">"Implementation "</span> + className + 
<a name="146" href="#146">146</a>                         <span class="string">" does not implement ExternalGeoLookupInterface"</span>);
<a name="147" href="#147">147</a>                 }
<a name="148" href="#148">148</a>                 result = (ExternalGeoLookupInterface)obj;
<a name="149" href="#149">149</a>                 <strong>this</strong>.implementation = result;
<a name="150" href="#150">150</a>             }
<a name="151" href="#151">151</a>         } <strong>catch</strong> (Exception e) {
<a name="152" href="#152">152</a>             LOGGER.severe(e.getMessage());
<a name="153" href="#153">153</a>         } 
<a name="154" href="#154">154</a>         <strong>return</strong> result;
<a name="155" href="#155">155</a>     }
<a name="156" href="#156">156</a> }
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