jobconfigureutils.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="130" href="#130">130</a>         <strong>if</strong> (mbean.isTransient() || (mbean.isExpertSetting() &amp;&amp; expert == false)) {
<a name="131" href="#131">131</a>             <strong>return</strong>;
<a name="132" href="#132">132</a>         }
<a name="133" href="#133">133</a> 
<a name="134" href="#134">134</a>         MBeanAttributeInfo a[] = mbean.getMBeanInfo(settings).getAttributes();
<a name="135" href="#135">135</a>         <strong>for</strong> (<strong>int</strong> n = 0; n &lt; a.length; n++) {
<a name="136" href="#136">136</a>             checkAttribute((ModuleAttributeInfo) a[n], mbean, settings,
<a name="137" href="#137">137</a>                     request, expert);
<a name="138" href="#138">138</a>         }
<a name="139" href="#139">139</a>     }
<a name="140" href="#140">140</a> 
<a name="141" href="#141">141</a>     <em>/**<em>*</em></em>
<a name="142" href="#142">142</a> <em>     * Process passed attribute. Check if needs to be written and if so, write</em>
<a name="143" href="#143">143</a> <em>     * it.</em>
<a name="144" href="#144">144</a> <em>     * </em>
<a name="145" href="#145">145</a> <em>     * @param att</em>
<a name="146" href="#146">146</a> <em>     *            Attribute to process.</em>
<a name="147" href="#147">147</a> <em>     * @param mbean</em>
<a name="148" href="#148">148</a> <em>     *            The ComplexType to update</em>
<a name="149" href="#149">149</a> <em>     * @param settings</em>
<a name="150" href="#150">150</a> <em>     *            CrawlerSettings for the domain to override setting for. null</em>
<a name="151" href="#151">151</a> <em>     *            denotes the global settings.</em>
<a name="152" href="#152">152</a> <em>     * @param request</em>
<a name="153" href="#153">153</a> <em>     *            The HttpServletRequest to use to update the ComplexType</em>
<a name="154" href="#154">154</a> <em>     * @param expert</em>
<a name="155" href="#155">155</a> <em>     *            if true expert settings will be updated, otherwise they will</em>
<a name="156" href="#156">156</a> <em>     *            be ignored.</em>
<a name="157" href="#157">157</a> <em>     */</em>
<a name="158" href="#158">158</a>     <strong>protected</strong> <strong>static</strong> <strong>void</strong> checkAttribute(<a href="../../../../../org/archive/crawler/settings/ModuleAttributeInfo.html">ModuleAttributeInfo</a> att,
<a name="159" href="#159">159</a>             <a href="../../../../../org/archive/crawler/settings/ComplexType.html">ComplexType</a> mbean, <a href="../../../../../org/archive/crawler/settings/CrawlerSettings.html">CrawlerSettings</a> settings,
<a name="160" href="#160">160</a>             HttpServletRequest request, <strong>boolean</strong> expert) {
<a name="161" href="#161">161</a>         <em class="comment">// The attributes of the current attribute.</em>
<a name="162" href="#162">162</a>         Object currentAttribute = <strong>null</strong>;
<a name="163" href="#163">163</a>         <strong>try</strong> {
<a name="164" href="#164">164</a>             currentAttribute = mbean.getAttribute(settings, att.getName());
<a name="165" href="#165">165</a>         } <strong>catch</strong> (Exception e) {
<a name="166" href="#166">166</a>             logger.severe(<span class="string">"Failed getting "</span> + mbean.getAbsoluteName()
<a name="167" href="#167">167</a>                     + <span class="string">" attribute "</span> + att.getName() + <span class="string">": "</span> + e.getMessage());
<a name="168" href="#168">168</a>             <strong>return</strong>;
<a name="169" href="#169">169</a>         }
<a name="170" href="#170">170</a> 
<a name="171" href="#171">171</a>         <strong>if</strong> (logger.isLoggable(Level.FINE)) {
<a name="172" href="#172">172</a>             logger.fine(<span class="string">"MBEAN: "</span> + mbean.getAbsoluteName() + <span class="string">" "</span>
<a name="173" href="#173">173</a>                     + att.getName() + <span class="string">" TRANSIENT "</span> + att.isTransient() + <span class="string">" "</span>
<a name="174" href="#174">174</a>                     + att.isExpertSetting() + <span class="string">" "</span> + expert);
<a name="175" href="#175">175</a>         }
<a name="176" href="#176">176</a> 
<a name="177" href="#177">177</a>         <strong>if</strong> (att.isTransient() == false
<a name="178" href="#178">178</a>                 &amp;&amp; (att.isExpertSetting() == false || expert)) {
<a name="179" href="#179">179</a>             <strong>if</strong> (currentAttribute instanceof ComplexType) {
<a name="180" href="#180">180</a>                 writeNewOrderFile((ComplexType) currentAttribute, settings,
<a name="181" href="#181">181</a>                         request, expert);
<a name="182" href="#182">182</a>             } <strong>else</strong> {
<a name="183" href="#183">183</a>                 String attName = att.getName();
<a name="184" href="#184">184</a>                 <em class="comment">// Have a 'setting'. Let's see if we need to update it (if</em>
<a name="185" href="#185">185</a>                 <em class="comment">// settings == null update all, otherwise only if override</em>
<a name="186" href="#186">186</a>                 <em class="comment">// is set.</em>
<a name="187" href="#187">187</a>                 String attAbsoluteName = mbean.getAbsoluteName() + <span class="string">"/"</span>
<a name="188" href="#188">188</a>                         + attName;
<a name="189" href="#189">189</a>                 <strong>boolean</strong> override = (request.getParameter(attAbsoluteName
<a name="190" href="#190">190</a>                         + <span class="string">".override"</span>) != <strong>null</strong>)
<a name="191" href="#191">191</a>                         &amp;&amp; (request.getParameter(attAbsoluteName + <span class="string">".override"</span>)
<a name="192" href="#192">192</a>                                 .equals(<span class="string">"true"</span>));
<a name="193" href="#193">193</a>                 <strong>if</strong> (settings == <strong>null</strong> || override) {
<a name="194" href="#194">194</a>                     <strong>if</strong> (currentAttribute instanceof ListType) {
<a name="195" href="#195">195</a>                         <strong>try</strong> {
<a name="196" href="#196">196</a>                             <a href="../../../../../org/archive/crawler/settings/ListType.html">ListType</a> list = (ListType)currentAttribute;
<a name="197" href="#197">197</a>                             Class cls = list.getClass();
<a name="198" href="#198">198</a>                             Constructor constructor = cls.getConstructor(String.<strong>class</strong>, String.<strong>class</strong>);
<a name="199" href="#199">199</a>                             list = (ListType) constructor.newInstance(list.getName(), list.getDescription());
<a name="200" href="#200">200</a>                             String[] elems = request
<a name="201" href="#201">201</a>                                     .getParameterValues(attAbsoluteName);
<a name="202" href="#202">202</a>                             <strong>for</strong> (<strong>int</strong> i = 0; elems != <strong>null</strong> &amp;&amp; i &lt; elems.length; i++) {
<a name="203" href="#203">203</a>                                 list.add(elems[i]);
<a name="204" href="#204">204</a>                             }
<a name="205" href="#205">205</a>                             writeAttribute(attName, attAbsoluteName, mbean,
<a name="206" href="#206">206</a>                                     settings, list);
<a name="207" href="#207">207</a>                         } <strong>catch</strong> (Exception e) {
<a name="208" href="#208">208</a>                             e.printStackTrace();
<a name="209" href="#209">209</a>                             logger.severe(<span class="string">"Setting new list values on "</span>
<a name="210" href="#210">210</a>                                     + attAbsoluteName + <span class="string">": "</span> + e.getMessage());
<a name="211" href="#211">211</a>                             <strong>return</strong>;
<a name="212" href="#212">212</a>                         }
<a name="213" href="#213">213</a>                     } <strong>else</strong> {
<a name="214" href="#214">214</a>                         writeAttribute(attName, attAbsoluteName, mbean,
<a name="215" href="#215">215</a>                                 settings, request.getParameter(attAbsoluteName));
<a name="216" href="#216">216</a>                     }
<a name="217" href="#217">217</a> 
<a name="218" href="#218">218</a>                 } <strong>else</strong> <strong>if</strong> (settings != <strong>null</strong> &amp;&amp; override == false) {
<a name="219" href="#219">219</a>                     <em class="comment">// Is not being overridden. Need to remove possible</em>
<a name="220" href="#220">220</a>                     <em class="comment">// previous overrides.</em>
<a name="221" href="#221">221</a>                     <strong>try</strong> {
<a name="222" href="#222">222</a>                         mbean.unsetAttribute(settings, attName);
<a name="223" href="#223">223</a>                     } <strong>catch</strong> (Exception e) {
<a name="224" href="#224">224</a>                         e.printStackTrace();
<a name="225" href="#225">225</a>                         logger.severe(<span class="string">"Unsetting attribute on "</span>
<a name="226" href="#226">226</a>                                 + attAbsoluteName + <span class="string">": "</span> + e.getMessage());
<a name="227" href="#227">227</a>                         <strong>return</strong>;
<a name="228" href="#228">228</a>                     }
<a name="229" href="#229">229</a>                 }
<a name="230" href="#230">230</a>             }
<a name="231" href="#231">231</a>         }
<a name="232" href="#232">232</a>     }
<a name="233" href="#233">233</a> 
<a name="234" href="#234">234</a>     <em>/**<em>*</em></em>
<a name="235" href="#235">235</a> <em>     * Write out attribute.</em>
<a name="236" href="#236">236</a> <em>     * </em>
<a name="237" href="#237">237</a> <em>     * @param attName</em>
<a name="238" href="#238">238</a> <em>     *            Attribute short name.</em>
<a name="239" href="#239">239</a> <em>     * @param attAbsoluteName</em>
<a name="240" href="#240">240</a> <em>     *            Attribute full name.</em>
<a name="241" href="#241">241</a> <em>     * @param mbean</em>
<a name="242" href="#242">242</a> <em>     *            The ComplexType to update</em>
<a name="243" href="#243">243</a> <em>     * @param settings</em>
<a name="244" href="#244">244</a> <em>     *            CrawlerSettings for the domain to override setting for. null</em>
<a name="245" href="#245">245</a> <em>     *            denotes the global settings.</em>
<a name="246" href="#246">246</a> <em>     * @param value</em>
<a name="247" href="#247">247</a> <em>     *            Value to set into the attribute.</em>
<a name="248" href="#248">248</a> <em>     */</em>
<a name="249" href="#249">249</a>     <strong>protected</strong> <strong>static</strong> <strong>void</strong> writeAttribute(String attName,
<a name="250" href="#250">250</a>             String attAbsoluteName, <a href="../../../../../org/archive/crawler/settings/ComplexType.html">ComplexType</a> mbean,
<a name="251" href="#251">251</a>             <a href="../../../../../org/archive/crawler/settings/CrawlerSettings.html">CrawlerSettings</a> settings, Object value) {
<a name="252" href="#252">252</a>         <strong>try</strong> {
<a name="253" href="#253">253</a>             <strong>if</strong> (logger.isLoggable(Level.FINE)) {
<a name="254" href="#254">254</a>                 logger.fine(<span class="string">"MBEAN SET: "</span> + attAbsoluteName + <span class="string">" "</span> + value);
<a name="255" href="#255">255</a>             }
<a name="256" href="#256">256</a>             mbean.setAttribute(settings, <strong>new</strong> Attribute(attName, value));
<a name="257" href="#257">257</a>         } <strong>catch</strong> (Exception e) {
<a name="258" href="#258">258</a>             e.printStackTrace();
<a name="259" href="#259">259</a>             logger.severe(<span class="string">"Setting attribute value "</span> + value + <span class="string">" on "</span>
<a name="260" href="#260">260</a>                     + attAbsoluteName + <span class="string">": "</span> + e.getMessage());
<a name="261" href="#261">261</a>             <strong>return</strong>;
<a name="262" href="#262">262</a>         }
<a name="263" href="#263">263</a>     }
<a name="264" href="#264">264</a> 
<a name="265" href="#265">265</a>     <em>/**<em>*</em></em>
<a name="266" href="#266">266</a> <em>     * Check passed job is not null and not readonly.</em>
<a name="267" href="#267">267</a> <em>     * @param job Job to check.</em>