datacontainer.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="139" href="#139">139</a>         <strong>return</strong> (MBeanAttributeInfo) attributeNames.get(name);
<a name="140" href="#140">140</a>     }
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>     <strong>protected</strong> <strong>void</strong> copyAttributeInfo(String name, <a href="../../../../org/archive/crawler/settings/DataContainer.html">DataContainer</a> destination) {
<a name="143" href="#143">143</a>         <strong>if</strong> (<strong>this</strong> != destination) {
<a name="144" href="#144">144</a>             <a href="../../../../org/archive/crawler/settings/ModuleAttributeInfo.html">ModuleAttributeInfo</a> attribute = (ModuleAttributeInfo) attributeNames.get(name);
<a name="145" href="#145">145</a>             destination.attributeNames.put(name, <strong>new</strong> <a href="../../../../org/archive/crawler/settings/ModuleAttributeInfo.html">ModuleAttributeInfo</a>(attribute));
<a name="146" href="#146">146</a>         }
<a name="147" href="#147">147</a>     }
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>     <strong>protected</strong> <strong>boolean</strong> copyAttribute(String name, <a href="../../../../org/archive/crawler/settings/DataContainer.html">DataContainer</a> destination)
<a name="150" href="#150">150</a>             throws InvalidAttributeValueException, AttributeNotFoundException {
<a name="151" href="#151">151</a>         <strong>if</strong> (<strong>this</strong> != destination) {
<a name="152" href="#152">152</a>             <a href="../../../../org/archive/crawler/settings/ModuleAttributeInfo.html">ModuleAttributeInfo</a> attribute = (ModuleAttributeInfo) attributeNames
<a name="153" href="#153">153</a>                     .get(name);
<a name="154" href="#154">154</a> 
<a name="155" href="#155">155</a>             <strong>if</strong> (attribute == <strong>null</strong>) {
<a name="156" href="#156">156</a>                 <strong>return</strong> false;
<a name="157" href="#157">157</a>             } <strong>else</strong> {
<a name="158" href="#158">158</a>                 <strong>int</strong> index = attributes.indexOf(attribute);
<a name="159" href="#159">159</a>                 <strong>if</strong> (index != -1 &amp;&amp; !destination.attributes.contains(attribute)) {
<a name="160" href="#160">160</a>                     destination.attributes.add(index, attribute);
<a name="161" href="#161">161</a>                 }
<a name="162" href="#162">162</a>                 destination.put(attribute.getName(), attribute, get(attribute
<a name="163" href="#163">163</a>                         .getName()));
<a name="164" href="#164">164</a>             }
<a name="165" href="#165">165</a>         }
<a name="166" href="#166">166</a>         <strong>return</strong> <strong>true</strong>;
<a name="167" href="#167">167</a>     }
<a name="168" href="#168">168</a> 
<a name="169" href="#169">169</a>     <strong>public</strong> Object put(Object key, Object value) {
<a name="170" href="#170">170</a>         <strong>throw</strong> <strong>new</strong> UnsupportedOperationException();
<a name="171" href="#171">171</a>     }
<a name="172" href="#172">172</a> 
<a name="173" href="#173">173</a>     <strong>public</strong> Object get(Object key) {
<a name="174" href="#174">174</a>         <strong>throw</strong> <strong>new</strong> UnsupportedOperationException();
<a name="175" href="#175">175</a>     }
<a name="176" href="#176">176</a> 
<a name="177" href="#177">177</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="178" href="#178">178</a> <em class="comment">     * @see java.util.Map#put(java.lang.Object, java.lang.Object)</em>
<a name="179" href="#179">179</a> <em class="comment">     */</em>
<a name="180" href="#180">180</a>     <strong>protected</strong> Object put(String key, MBeanAttributeInfo info, Object value)
<a name="181" href="#181">181</a>         throws InvalidAttributeValueException, AttributeNotFoundException {
<a name="182" href="#182">182</a>         attributeNames.put(key, info);
<a name="183" href="#183">183</a>         <strong>return</strong> <strong>super</strong>.put(key, value);
<a name="184" href="#184">184</a>     }
<a name="185" href="#185">185</a> 
<a name="186" href="#186">186</a>     <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="187" href="#187">187</a> <em class="comment">     * @see java.util.Map#get(java.lang.Object)</em>
<a name="188" href="#188">188</a> <em class="comment">     */</em>
<a name="189" href="#189">189</a>     <strong>public</strong> Object get(String key) throws AttributeNotFoundException {
<a name="190" href="#190">190</a>         Object res = <strong>super</strong>.get(key);
<a name="191" href="#191">191</a>         <strong>if</strong> (res == <strong>null</strong> &amp;&amp; complexType.definitionMap.get(key) == <strong>null</strong>) {
<a name="192" href="#192">192</a>             <strong>throw</strong> <strong>new</strong> AttributeNotFoundException(key);
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a>         <strong>return</strong> res;
<a name="195" href="#195">195</a>     }
<a name="196" href="#196">196</a> 
<a name="197" href="#197">197</a>     <em>/**<em>* Move an attribute up one place in the list.</em></em>
<a name="198" href="#198">198</a> <em>     *</em>
<a name="199" href="#199">199</a> <em>     * @param key name of attribute to move.</em>
<a name="200" href="#200">200</a> <em>     * @return true if attribute was moved, false if attribute was already</em>
<a name="201" href="#201">201</a> <em>     *              at the top.</em>
<a name="202" href="#202">202</a> <em>     * @throws AttributeNotFoundException is thrown if there is no attribute</em>
<a name="203" href="#203">203</a> <em>     *         with the submitted key.</em>
<a name="204" href="#204">204</a> <em>     */</em>
<a name="205" href="#205">205</a>     <strong>protected</strong> <strong>boolean</strong> moveElementUp(String key)
<a name="206" href="#206">206</a>             throws AttributeNotFoundException {
<a name="207" href="#207">207</a>         MBeanAttributeInfo element = getAttributeInfo(key);
<a name="208" href="#208">208</a>         <strong>if</strong> (element == <strong>null</strong>) {
<a name="209" href="#209">209</a>             <strong>throw</strong> <strong>new</strong> AttributeNotFoundException(key);
<a name="210" href="#210">210</a>         }
<a name="211" href="#211">211</a> 
<a name="212" href="#212">212</a>         <strong>int</strong> prevIndex = attributes.indexOf(element);
<a name="213" href="#213">213</a>         <strong>if</strong> (prevIndex == 0) {
<a name="214" href="#214">214</a>             <strong>return</strong> false;
<a name="215" href="#215">215</a>         }
<a name="216" href="#216">216</a> 
<a name="217" href="#217">217</a>         attributes.remove(prevIndex);
<a name="218" href="#218">218</a>         attributes.add(prevIndex-1, element);
<a name="219" href="#219">219</a> 
<a name="220" href="#220">220</a>         <strong>return</strong> <strong>true</strong>;
<a name="221" href="#221">221</a>     }
<a name="222" href="#222">222</a> 
<a name="223" href="#223">223</a>     <em>/**<em>* Move an attribute down one place in the list.</em></em>
<a name="224" href="#224">224</a> <em>     *</em>
<a name="225" href="#225">225</a> <em>     * @param key name of attribute to move.</em>
<a name="226" href="#226">226</a> <em>     * @return true if attribute was moved, false if attribute was already</em>
<a name="227" href="#227">227</a> <em>     *              at bottom.</em>
<a name="228" href="#228">228</a> <em>     * @throws AttributeNotFoundException is thrown if there is no attribute</em>
<a name="229" href="#229">229</a> <em>     *         with the submitted key.</em>
<a name="230" href="#230">230</a> <em>     */</em>
<a name="231" href="#231">231</a>     <strong>protected</strong> <strong>boolean</strong> moveElementDown(String key)
<a name="232" href="#232">232</a>             throws AttributeNotFoundException {
<a name="233" href="#233">233</a>         MBeanAttributeInfo element = getAttributeInfo(key);
<a name="234" href="#234">234</a>         <strong>if</strong> (element == <strong>null</strong>) { <strong>throw</strong> <strong>new</strong> AttributeNotFoundException(key); }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a>         <strong>int</strong> prevIndex = attributes.indexOf(element);
<a name="237" href="#237">237</a>         <strong>if</strong> (prevIndex == attributes.size() - 1) { <strong>return</strong> false; }
<a name="238" href="#238">238</a> 
<a name="239" href="#239">239</a>         attributes.remove(prevIndex);
<a name="240" href="#240">240</a>         attributes.add(prevIndex + 1, element);
<a name="241" href="#241">241</a> 
<a name="242" href="#242">242</a>         <strong>return</strong> <strong>true</strong>;
<a name="243" href="#243">243</a>     }
<a name="244" href="#244">244</a> 
<a name="245" href="#245">245</a>     <em>/**<em>*</em></em>
<a name="246" href="#246">246</a> <em>     * Remove an attribute from the DataContainer.</em>
<a name="247" href="#247">247</a> <em>     *</em>
<a name="248" href="#248">248</a> <em>     * @param key name of the attribute to remove.</em>
<a name="249" href="#249">249</a> <em>     * @return the element that was removed.</em>
<a name="250" href="#250">250</a> <em>     * @throws AttributeNotFoundException is thrown if there is no attribute</em>
<a name="251" href="#251">251</a> <em>     *             with the submitted key.</em>
<a name="252" href="#252">252</a> <em>     */</em>
<a name="253" href="#253">253</a>     <strong>protected</strong> Object removeElement(String key) throws AttributeNotFoundException {
<a name="254" href="#254">254</a>         MBeanAttributeInfo element = getAttributeInfo(key);
<a name="255" href="#255">255</a>         <strong>if</strong> (element == <strong>null</strong>) {
<a name="256" href="#256">256</a>             <strong>throw</strong> <strong>new</strong> AttributeNotFoundException(key);
<a name="257" href="#257">257</a>         }
<a name="258" href="#258">258</a> 
<a name="259" href="#259">259</a>         attributes.remove(element);
<a name="260" href="#260">260</a>         attributeNames.remove(element.getName());
<a name="261" href="#261">261</a>         <strong>return</strong> <strong>super</strong>.remove(element.getName());
<a name="262" href="#262">262</a>     }
<a name="263" href="#263">263</a> 
<a name="264" href="#264">264</a>     <em>/**<em>* Get the ComplexType for which this DataContainer keeps data.</em></em>
<a name="265" href="#265">265</a> <em>     *</em>
<a name="266" href="#266">266</a> <em>     * @return the ComplexType for which this DataContainer keeps data.</em>
<a name="267" href="#267">267</a> <em>     */</em>
<a name="268" href="#268">268</a>     <strong>protected</strong> <a href="../../../../org/archive/crawler/settings/ComplexType.html">ComplexType</a> getComplexType() {
<a name="269" href="#269">269</a>         <strong>return</strong> complexType;
<a name="270" href="#270">270</a>     }
<a name="271" href="#271">271</a> 
<a name="272" href="#272">272</a>     <em>/**<em>* Get the settings object for which this DataContainers data are valid.</em></em>
<a name="273" href="#273">273</a> <em>     *</em>
<a name="274" href="#274">274</a> <em>     * @return the settings object for which this DataContainers data are valid.</em>
<a name="275" href="#275">275</a> <em>     */</em>
<a name="276" href="#276">276</a>     <strong>protected</strong> <a href="../../../../org/archive/crawler/settings/CrawlerSettings.html">CrawlerSettings</a> getSettings() {
<a name="277" href="#277">277</a>         <strong>return</strong> (CrawlerSettings) settings.get();
<a name="278" href="#278">278</a>     }
<a name="279" href="#279">279</a> 
<a name="280" href="#280">280</a> }
</pre>
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