atom10generator.html

解析RSS工具源码

<a name="278" href="#278">278</a>         <strong>if</strong> (cat.getLabel() != <strong>null</strong>) {
<a name="279" href="#279">279</a>             Attribute labelAttribute = <strong>new</strong> Attribute(<span class="string">"label"</span>, cat.getLabel());
<a name="280" href="#280">280</a>             catElement.setAttribute(labelAttribute);
<a name="281" href="#281">281</a>         }
<a name="282" href="#282">282</a> 
<a name="283" href="#283">283</a>         <strong>if</strong> (cat.getScheme() != <strong>null</strong>) {
<a name="284" href="#284">284</a>             Attribute schemeAttribute = <strong>new</strong> Attribute(<span class="string">"scheme"</span>, cat.getScheme());
<a name="285" href="#285">285</a>             catElement.setAttribute(schemeAttribute);
<a name="286" href="#286">286</a>         }
<a name="287" href="#287">287</a>         <strong>return</strong> catElement;
<a name="288" href="#288">288</a>     }
<a name="289" href="#289">289</a> 
<a name="290" href="#290">290</a>     <strong>protected</strong> Element generateLinkElement(<a href="../../../../../com/sun/syndication/feed/atom/Link.html">Link</a> link) {
<a name="291" href="#291">291</a>         Element linkElement = <strong>new</strong> Element(<span class="string">"link"</span>, getFeedNamespace());
<a name="292" href="#292">292</a> 
<a name="293" href="#293">293</a>         <strong>if</strong> (link.getRel() != <strong>null</strong>) {
<a name="294" href="#294">294</a>             Attribute relAttribute = <strong>new</strong> Attribute(<span class="string">"rel"</span>, link.getRel().toString());
<a name="295" href="#295">295</a>             linkElement.setAttribute(relAttribute);
<a name="296" href="#296">296</a>         }
<a name="297" href="#297">297</a> 
<a name="298" href="#298">298</a>         <strong>if</strong> (link.getType() != <strong>null</strong>) {
<a name="299" href="#299">299</a>             Attribute typeAttribute = <strong>new</strong> Attribute(<span class="string">"type"</span>, link.getType());
<a name="300" href="#300">300</a>             linkElement.setAttribute(typeAttribute);
<a name="301" href="#301">301</a>         }
<a name="302" href="#302">302</a> 
<a name="303" href="#303">303</a>         <strong>if</strong> (link.getHref() != <strong>null</strong>) {
<a name="304" href="#304">304</a>             Attribute hrefAttribute = <strong>new</strong> Attribute(<span class="string">"href"</span>, link.getHref());
<a name="305" href="#305">305</a>             linkElement.setAttribute(hrefAttribute);
<a name="306" href="#306">306</a>         }
<a name="307" href="#307">307</a>         
<a name="308" href="#308">308</a>         <strong>if</strong> (link.getHreflang() != <strong>null</strong>) {
<a name="309" href="#309">309</a>             Attribute hreflangAttribute = <strong>new</strong> Attribute(<span class="string">"hreflang"</span>, link.getHreflang());
<a name="310" href="#310">310</a>             linkElement.setAttribute(hreflangAttribute);
<a name="311" href="#311">311</a>         }
<a name="312" href="#312">312</a>         <strong>return</strong> linkElement;
<a name="313" href="#313">313</a>     }
<a name="314" href="#314">314</a> 
<a name="315" href="#315">315</a> 
<a name="316" href="#316">316</a>     <strong>protected</strong> <strong>void</strong> fillPersonElement(Element element, <a href="../../../../../com/sun/syndication/feed/atom/Person.html">Person</a> person) {
<a name="317" href="#317">317</a>         <strong>if</strong> (person.getName() != <strong>null</strong>) {
<a name="318" href="#318">318</a>             element.addContent(generateSimpleElement(<span class="string">"name"</span>, person.getName()));
<a name="319" href="#319">319</a>         }
<a name="320" href="#320">320</a>         <strong>if</strong> (person.getUri() != <strong>null</strong>) {
<a name="321" href="#321">321</a>             element.addContent(generateSimpleElement(<span class="string">"uri"</span>, person.getUri()));
<a name="322" href="#322">322</a>         }
<a name="323" href="#323">323</a> 
<a name="324" href="#324">324</a>         <strong>if</strong> (person.getEmail() != <strong>null</strong>) {
<a name="325" href="#325">325</a>             element.addContent(generateSimpleElement(<span class="string">"email"</span>, person.getEmail()));
<a name="326" href="#326">326</a>         }
<a name="327" href="#327">327</a>     }
<a name="328" href="#328">328</a> 
<a name="329" href="#329">329</a>     <strong>protected</strong> Element generateTagLineElement(<a href="../../../../../com/sun/syndication/feed/atom/Content.html">Content</a> tagline) {
<a name="330" href="#330">330</a>         Element taglineElement = <strong>new</strong> Element(<span class="string">"subtitle"</span>, getFeedNamespace());
<a name="331" href="#331">331</a> 
<a name="332" href="#332">332</a>         <strong>if</strong> (tagline.getType() != <strong>null</strong>) {
<a name="333" href="#333">333</a>             Attribute typeAttribute = <strong>new</strong> Attribute(<span class="string">"type"</span>, tagline.getType());
<a name="334" href="#334">334</a>             taglineElement.setAttribute(typeAttribute);
<a name="335" href="#335">335</a>         }
<a name="336" href="#336">336</a> 
<a name="337" href="#337">337</a>         <strong>if</strong> (tagline.getValue() != <strong>null</strong>) {
<a name="338" href="#338">338</a>             taglineElement.addContent(tagline.getValue());
<a name="339" href="#339">339</a>         }
<a name="340" href="#340">340</a>         <strong>return</strong> taglineElement;
<a name="341" href="#341">341</a>     }
<a name="342" href="#342">342</a> 
<a name="343" href="#343">343</a>     <strong>protected</strong> <strong>void</strong> fillContentElement(Element contentElement, <a href="../../../../../com/sun/syndication/feed/atom/Content.html">Content</a> content)
<a name="344" href="#344">344</a>         throws <a href="../../../../../com/sun/syndication/io/FeedException.html">FeedException</a> {
<a name="345" href="#345">345</a> 
<a name="346" href="#346">346</a>         String type = content.getType();
<a name="347" href="#347">347</a>         <strong>if</strong> (type != <strong>null</strong>) {
<a name="348" href="#348">348</a>             String atomType = type;
<a name="349" href="#349">349</a>             
<a name="350" href="#350">350</a>             <em class="comment">// Fix for issue #39 "Atom 1.0 Text Types Not Set Correctly"</em>
<a name="351" href="#351">351</a>             <em class="comment">// we're not sure who set this value, so ensure Atom types are used</em>
<a name="352" href="#352">352</a>             <strong>if</strong> (<span class="string">"text/plain"</span>.equals(type)) atomType = <span class="string">"TEXT"</span>;
<a name="353" href="#353">353</a>             <strong>else</strong> <strong>if</strong> (<span class="string">"text/html"</span>.equals(type)) atomType = <span class="string">"HTML"</span>;
<a name="354" href="#354">354</a>             <strong>else</strong> <strong>if</strong> (<span class="string">"application/xhtml+xml"</span>.equals(type)) atomType = <span class="string">"XHTML"</span>;
<a name="355" href="#355">355</a>             
<a name="356" href="#356">356</a>             Attribute typeAttribute = <strong>new</strong> Attribute(<span class="string">"type"</span>, atomType);
<a name="357" href="#357">357</a>             contentElement.setAttribute(typeAttribute);
<a name="358" href="#358">358</a>         }
<a name="359" href="#359">359</a>         String href = content.getSrc();
<a name="360" href="#360">360</a>         <strong>if</strong> (href != <strong>null</strong>) {
<a name="361" href="#361">361</a>             Attribute srcAttribute = <strong>new</strong> Attribute(<span class="string">"src"</span>, href);
<a name="362" href="#362">362</a>             contentElement.setAttribute(srcAttribute);
<a name="363" href="#363">363</a>         }
<a name="364" href="#364">364</a>         <strong>if</strong> (content.getValue() != <strong>null</strong>) {
<a name="365" href="#365">365</a>             <strong>if</strong> (type != <strong>null</strong> &amp;&amp; (type.equals(Content.XHTML) || (type.indexOf(<span class="string">"/xml"</span>)) != -1)) {
<a name="366" href="#366">366</a>                 StringBuffer tmpDocString = <strong>new</strong> StringBuffer(<span class="string">"&lt;tmpdoc>"</span>);
<a name="367" href="#367">367</a>                 tmpDocString.append(content.getValue());
<a name="368" href="#368">368</a>                 tmpDocString.append(<span class="string">"&lt;/tmpdoc>"</span>);
<a name="369" href="#369">369</a>                 StringReader tmpDocReader = <strong>new</strong> StringReader(tmpDocString.toString());
<a name="370" href="#370">370</a>                 Document tmpDoc;
<a name="371" href="#371">371</a>                 <strong>try</strong> {
<a name="372" href="#372">372</a>                     <a href="../../../../../com/sun/syndication/io/SAXBuilder.html">SAXBuilder</a> saxBuilder = <strong>new</strong> <a href="../../../../../com/sun/syndication/io/SAXBuilder.html">SAXBuilder</a>();
<a name="373" href="#373">373</a>                     tmpDoc = saxBuilder.build(tmpDocReader);
<a name="374" href="#374">374</a>                 }
<a name="375" href="#375">375</a>                 <strong>catch</strong> (Exception ex) {
<a name="376" href="#376">376</a>                     <strong>throw</strong> <strong>new</strong> <a href="../../../../../com/sun/syndication/io/FeedException.html">FeedException</a>(<span class="string">"Invalid XML"</span>,ex);
<a name="377" href="#377">377</a>                 }
<a name="378" href="#378">378</a>                 List children = tmpDoc.getRootElement().removeContent();
<a name="379" href="#379">379</a>                 contentElement.addContent(children);
<a name="380" href="#380">380</a>             } <strong>else</strong> { 
<a name="381" href="#381">381</a>                 <em class="comment">// must be type html, text or some other non-XML format</em>
<a name="382" href="#382">382</a>                 <em class="comment">// JDOM will escape property for XML</em>
<a name="383" href="#383">383</a>                 contentElement.addContent(content.getValue());
<a name="384" href="#384">384</a>             }
<a name="385" href="#385">385</a>         }
<a name="386" href="#386">386</a>     }
<a name="387" href="#387">387</a> 
<a name="388" href="#388">388</a>     <strong>protected</strong> Element generateGeneratorElement(<a href="../../../../../com/sun/syndication/feed/atom/Generator.html">Generator</a> generator) {
<a name="389" href="#389">389</a>         Element generatorElement = <strong>new</strong> Element(<span class="string">"generator"</span>, getFeedNamespace());
<a name="390" href="#390">390</a> 
<a name="391" href="#391">391</a>         <strong>if</strong> (generator.getUrl() != <strong>null</strong>) {
<a name="392" href="#392">392</a>             Attribute urlAttribute = <strong>new</strong> Attribute(<span class="string">"uri"</span>, generator.getUrl());
<a name="393" href="#393">393</a>             generatorElement.setAttribute(urlAttribute);
<a name="394" href="#394">394</a>         }
<a name="395" href="#395">395</a> 
<a name="396" href="#396">396</a>         <strong>if</strong> (generator.getVersion() != <strong>null</strong>) {
<a name="397" href="#397">397</a>             Attribute versionAttribute = <strong>new</strong> Attribute(<span class="string">"version"</span>, generator.getVersion());
<a name="398" href="#398">398</a>             generatorElement.setAttribute(versionAttribute);
<a name="399" href="#399">399</a>         }
<a name="400" href="#400">400</a> 
<a name="401" href="#401">401</a>         <strong>if</strong> (generator.getValue() != <strong>null</strong>) {
<a name="402" href="#402">402</a>             generatorElement.addContent(generator.getValue());
<a name="403" href="#403">403</a>         }
<a name="404" href="#404">404</a> 
<a name="405" href="#405">405</a>         <strong>return</strong> generatorElement;
<a name="406" href="#406">406</a> 
<a name="407" href="#407">407</a>     }
<a name="408" href="#408">408</a> 
<a name="409" href="#409">409</a>     <strong>protected</strong> Element generateSimpleElement(String name, String value) {
<a name="410" href="#410">410</a>         Element element = <strong>new</strong> Element(name, getFeedNamespace());
<a name="411" href="#411">411</a>         element.addContent(value);
<a name="412" href="#412">412</a>         <strong>return</strong> element;
<a name="413" href="#413">413</a>     }
<a name="414" href="#414">414</a> 
<a name="415" href="#415">415</a> }
</pre>
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