syndcategoryimpl.html

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<a name="137" href="#137">137</a> <em>     */</em>
<a name="138" href="#138">138</a>     <strong>public</strong> String getTaxonomyUri() {
<a name="139" href="#139">139</a>         <strong>return</strong> _subject.getTaxonomyUri();
<a name="140" href="#140">140</a>     }
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>     <em>/**<em>*</em></em>
<a name="143" href="#143">143</a> <em>     * Sets the category taxonomy URI.</em>
<a name="144" href="#144">144</a> <em>     * &lt;p></em>
<a name="145" href="#145">145</a> <em>     * @param taxonomyUri the category taxonomy URI to set, &lt;b>null&lt;/b> if none.</em>
<a name="146" href="#146">146</a> <em>     *</em>
<a name="147" href="#147">147</a> <em>     */</em>
<a name="148" href="#148">148</a>     <strong>public</strong> <strong>void</strong> setTaxonomyUri(String taxonomyUri) {
<a name="149" href="#149">149</a>         _subject.setTaxonomyUri(taxonomyUri);
<a name="150" href="#150">150</a>     }
<a name="151" href="#151">151</a> 
<a name="152" href="#152">152</a> }
<a name="153" href="#153">153</a> 
<a name="154" href="#154">154</a> 
<a name="155" href="#155">155</a> <em>/**<em>*</em></em>
<a name="156" href="#156">156</a> <em> * List implementation for SyndCategoryImpl elements. To be directly used by the SyndFeedImpl</em>
<a name="157" href="#157">157</a> <em> * and SyndEntryImpl classes only.</em>
<a name="158" href="#158">158</a> <em> * &lt;p></em>
<a name="159" href="#159">159</a> <em> * It acts as a facade on top of the DCSubjectImpl elements of the underlying list</em>
<a name="160" href="#160">160</a> <em> * and remains in synch with it. It is possible to work on either list, the categories</em>
<a name="161" href="#161">161</a> <em> * one or the subjects one and they remain in synch.</em>
<a name="162" href="#162">162</a> <em> * &lt;p></em>
<a name="163" href="#163">163</a> <em> * This is necessary because the SyndFeedImpl categories are just a convenience to access</em>
<a name="164" href="#164">164</a> <em> * the DublinCore subjects.</em>
<a name="165" href="#165">165</a> <em> * &lt;P></em>
<a name="166" href="#166">166</a> <em> * All this mess to avoid making DCSubjectImpl implement SyndCategory (which it would be odd).</em>
<a name="167" href="#167">167</a> <em> * &lt;p></em>
<a name="168" href="#168">168</a> <em> * @author Alejandro Abdelnur</em>
<a name="169" href="#169">169</a> <em> *</em>
<a name="170" href="#170">170</a> <em> */</em>
<a name="171" href="#171">171</a> <strong>class</strong> SyndCategoryListFacade <strong>extends</strong> AbstractList {
<a name="172" href="#172">172</a>     <strong>private</strong> List _subjects;
<a name="173" href="#173">173</a> 
<a name="174" href="#174">174</a>     <em>/**<em>*</em></em>
<a name="175" href="#175">175</a> <em>     * Default constructor. Creates and empty list.</em>
<a name="176" href="#176">176</a> <em>     */</em>
<a name="177" href="#177">177</a>     <strong>public</strong> SyndCategoryListFacade() {
<a name="178" href="#178">178</a>         <strong>this</strong>(<strong>new</strong> ArrayList());
<a name="179" href="#179">179</a>     }
<a name="180" href="#180">180</a> 
<a name="181" href="#181">181</a>     <em>/**<em>*</em></em>
<a name="182" href="#182">182</a> <em>     * Creates a facade list of categories on top the given subject list.</em>
<a name="183" href="#183">183</a> <em>     * &lt;P></em>
<a name="184" href="#184">184</a> <em>     * @param subjects the list of subjects to create the facade.</em>
<a name="185" href="#185">185</a> <em>     *</em>
<a name="186" href="#186">186</a> <em>     */</em>
<a name="187" href="#187">187</a>     <strong>public</strong> SyndCategoryListFacade(List subjects) {
<a name="188" href="#188">188</a>         _subjects = subjects;
<a name="189" href="#189">189</a>     }
<a name="190" href="#190">190</a> 
<a name="191" href="#191">191</a>     <em>/**<em>*</em></em>
<a name="192" href="#192">192</a> <em>     * Gets the category by index.</em>
<a name="193" href="#193">193</a> <em>     * &lt;p></em>
<a name="194" href="#194">194</a> <em>     * @param index the index position to retrieve the category.</em>
<a name="195" href="#195">195</a> <em>     * @return the SyndCategoryImpl in position index, &lt;b>null&lt;/b> if none.</em>
<a name="196" href="#196">196</a> <em>     *</em>
<a name="197" href="#197">197</a> <em>     */</em>
<a name="198" href="#198">198</a>     <strong>public</strong> Object get(<strong>int</strong> index) {
<a name="199" href="#199">199</a>         <strong>return</strong> <strong>new</strong> <a href="../../../../../com/sun/syndication/feed/synd/SyndCategoryImpl.html">SyndCategoryImpl</a>((DCSubject) _subjects.get(index));
<a name="200" href="#200">200</a>     }
<a name="201" href="#201">201</a> 
<a name="202" href="#202">202</a>     <em>/**<em>*</em></em>
<a name="203" href="#203">203</a> <em>     * Returns the size of the list.</em>
<a name="204" href="#204">204</a> <em>     * &lt;p></em>
<a name="205" href="#205">205</a> <em>     * @return the size of the list.</em>
<a name="206" href="#206">206</a> <em>     *</em>
<a name="207" href="#207">207</a> <em>     */</em>
<a name="208" href="#208">208</a>     <strong>public</strong> <strong>int</strong> size() {
<a name="209" href="#209">209</a>         <strong>return</strong> _subjects.size();
<a name="210" href="#210">210</a>     }
<a name="211" href="#211">211</a> 
<a name="212" href="#212">212</a>     <em>/**<em>*</em></em>
<a name="213" href="#213">213</a> <em>     * Sets a category in an existing position in the list.</em>
<a name="214" href="#214">214</a> <em>     * &lt;p></em>
<a name="215" href="#215">215</a> <em>     * @param index position to set the category.</em>
<a name="216" href="#216">216</a> <em>     * @param obj the SyndCategoryImpl object to set.</em>
<a name="217" href="#217">217</a> <em>     * @return the SyndCategoryImpl object that is being replaced, &lt;b>null&lt;/b> if none.</em>
<a name="218" href="#218">218</a> <em>     *</em>
<a name="219" href="#219">219</a> <em>     */</em>
<a name="220" href="#220">220</a>     <strong>public</strong> Object set(<strong>int</strong> index,Object obj) {
<a name="221" href="#221">221</a>         <a href="../../../../../com/sun/syndication/feed/synd/SyndCategoryImpl.html">SyndCategoryImpl</a> sCat = (SyndCategoryImpl) obj;
<a name="222" href="#222">222</a>         <a href="../../../../../com/sun/syndication/feed/module/DCSubject.html">DCSubject</a> subject = (sCat!=<strong>null</strong>) ? sCat.getSubject() : <strong>null</strong>;
<a name="223" href="#223">223</a>         subject = (DCSubject) _subjects.set(index,subject);
<a name="224" href="#224">224</a>         <strong>return</strong> (subject!=<strong>null</strong>) ? <strong>new</strong> SyndCategoryImpl(subject) : <strong>null</strong>;
<a name="225" href="#225">225</a>     }
<a name="226" href="#226">226</a> 
<a name="227" href="#227">227</a>     <em>/**<em>*</em></em>
<a name="228" href="#228">228</a> <em>    * Adds a category to the list.</em>
<a name="229" href="#229">229</a> <em>    * &lt;p></em>
<a name="230" href="#230">230</a> <em>    * @param index position to add the category.</em>
<a name="231" href="#231">231</a> <em>    * @param obj the SyndCategoryImpl object to add.</em>
<a name="232" href="#232">232</a> <em>     *</em>
<a name="233" href="#233">233</a> <em>     */</em>
<a name="234" href="#234">234</a>     <strong>public</strong> <strong>void</strong> add(<strong>int</strong> index,Object obj) {
<a name="235" href="#235">235</a>         <a href="../../../../../com/sun/syndication/feed/synd/SyndCategoryImpl.html">SyndCategoryImpl</a> sCat = (SyndCategoryImpl) obj;
<a name="236" href="#236">236</a>         <a href="../../../../../com/sun/syndication/feed/module/DCSubject.html">DCSubject</a> subject = (sCat!=<strong>null</strong>) ? sCat.getSubject() : <strong>null</strong>;
<a name="237" href="#237">237</a>         _subjects.add(index,subject);
<a name="238" href="#238">238</a>     }
<a name="239" href="#239">239</a> 
<a name="240" href="#240">240</a>     <em>/**<em>*</em></em>
<a name="241" href="#241">241</a> <em>     * Removes a category element from a specific position.</em>
<a name="242" href="#242">242</a> <em>     * &lt;p></em>
<a name="243" href="#243">243</a> <em>     * @param index position to remove the category from.</em>
<a name="244" href="#244">244</a> <em>     * @return the SyndCategoryImpl being removed from position index, &lt;b>null&lt;/b> if none.</em>
<a name="245" href="#245">245</a> <em>     *</em>
<a name="246" href="#246">246</a> <em>     */</em>
<a name="247" href="#247">247</a>     <strong>public</strong> Object remove(<strong>int</strong> index) {
<a name="248" href="#248">248</a>         <a href="../../../../../com/sun/syndication/feed/module/DCSubject.html">DCSubject</a> subject = (DCSubject) _subjects.remove(index);
<a name="249" href="#249">249</a>         <strong>return</strong> (subject!=<strong>null</strong>) ? <strong>new</strong> SyndCategoryImpl(subject) : <strong>null</strong>;
<a name="250" href="#250">250</a>     }
<a name="251" href="#251">251</a> 
<a name="252" href="#252">252</a>     <em>/**<em>*</em></em>
<a name="253" href="#253">253</a> <em>     * Returns a list with the DCSubject elements of the SyndCategoryImpl list facade.</em>
<a name="254" href="#254">254</a> <em>     * To be used by the SyndFeedImpl class only.</em>
<a name="255" href="#255">255</a> <em>     * &lt;p></em>
<a name="256" href="#256">256</a> <em>     * @param cList the list with SyndCategoryImpl elements to convert to subject list.</em>
<a name="257" href="#257">257</a> <em>     * @return a list with DCSubject elements corresponding to the categories in the given list.</em>
<a name="258" href="#258">258</a> <em>     *</em>
<a name="259" href="#259">259</a> <em>     */</em>
<a name="260" href="#260">260</a>     <strong>public</strong> <strong>static</strong> List convertElementsSyndCategoryToSubject(List cList) {
<a name="261" href="#261">261</a>         List sList = <strong>null</strong>;
<a name="262" href="#262">262</a>         <strong>if</strong> (cList!=<strong>null</strong>) {
<a name="263" href="#263">263</a>             sList = <strong>new</strong> ArrayList();
<a name="264" href="#264">264</a>             <strong>for</strong> (<strong>int</strong> i=0;i&lt;cList.size();i++) {
<a name="265" href="#265">265</a>                 <a href="../../../../../com/sun/syndication/feed/synd/SyndCategoryImpl.html">SyndCategoryImpl</a> sCat = (SyndCategoryImpl) cList.get(i);
<a name="266" href="#266">266</a>                 <a href="../../../../../com/sun/syndication/feed/module/DCSubject.html">DCSubject</a> subject = <strong>null</strong>;
<a name="267" href="#267">267</a>                 <strong>if</strong> (sCat!=<strong>null</strong>) {
<a name="268" href="#268">268</a>                     subject = sCat.getSubject();
<a name="269" href="#269">269</a>                 }
<a name="270" href="#270">270</a>                 sList.add(subject);
<a name="271" href="#271">271</a>             }
<a name="272" href="#272">272</a>         }
<a name="273" href="#273">273</a>         <strong>return</strong> sList;
<a name="274" href="#274">274</a>     }
<a name="275" href="#275">275</a> 
<a name="276" href="#276">276</a> }
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