rss091userlandgenerator.html

解析RSS工具源码

<a name="125" href="#125">125</a>         }
<a name="126" href="#126">126</a> 
<a name="127" href="#127">127</a>         List skipHours = channel.getSkipHours();
<a name="128" href="#128">128</a>         <strong>if</strong> (skipHours != <strong>null</strong> &amp;&amp; skipHours.size()>0) {
<a name="129" href="#129">129</a>             eChannel.addContent(generateSkipHoursElement(skipHours));
<a name="130" href="#130">130</a>         }
<a name="131" href="#131">131</a> 
<a name="132" href="#132">132</a>         List skipDays = channel.getSkipDays();
<a name="133" href="#133">133</a>         <strong>if</strong> (skipDays != <strong>null</strong> &amp;&amp; skipDays.size()>0) {
<a name="134" href="#134">134</a>             eChannel.addContent(generateSkipDaysElement(skipDays));
<a name="135" href="#135">135</a>         }
<a name="136" href="#136">136</a>     }
<a name="137" href="#137">137</a> 
<a name="138" href="#138">138</a>     <strong>protected</strong> Element generateSkipHoursElement(List hours) {
<a name="139" href="#139">139</a>         Element skipHoursElement = <strong>new</strong> Element(<span class="string">"skipHours"</span>,getFeedNamespace());
<a name="140" href="#140">140</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; hours.size(); i++) {
<a name="141" href="#141">141</a>             skipHoursElement.addContent(generateSimpleElement(<span class="string">"hour"</span>, hours.get(i).toString()));
<a name="142" href="#142">142</a>         }
<a name="143" href="#143">143</a>         <strong>return</strong> skipHoursElement;
<a name="144" href="#144">144</a>     }
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>     <strong>protected</strong> Element generateSkipDaysElement(List days) {
<a name="147" href="#147">147</a>         Element skipDaysElement = <strong>new</strong> Element(<span class="string">"skipDays"</span>);
<a name="148" href="#148">148</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; days.size(); i++) {
<a name="149" href="#149">149</a>             skipDaysElement.addContent(generateSimpleElement(<span class="string">"day"</span>, days.get(i).toString()));
<a name="150" href="#150">150</a>         }
<a name="151" href="#151">151</a>         <strong>return</strong> skipDaysElement;
<a name="152" href="#152">152</a>     }
<a name="153" href="#153">153</a> 
<a name="154" href="#154">154</a>     <strong>protected</strong> <strong>void</strong> populateImage(<a href="../../../../../com/sun/syndication/feed/rss/Image.html">Image</a> image,Element eImage) {
<a name="155" href="#155">155</a>         <strong>super</strong>.populateImage(image,eImage);
<a name="156" href="#156">156</a> 
<a name="157" href="#157">157</a>         <strong>int</strong> width = image.getWidth();
<a name="158" href="#158">158</a>         <strong>if</strong> (width>-1) {
<a name="159" href="#159">159</a>             eImage.addContent(generateSimpleElement(<span class="string">"width"</span>,String.valueOf(width)));
<a name="160" href="#160">160</a>         }
<a name="161" href="#161">161</a>         <strong>int</strong> height = image.getHeight();
<a name="162" href="#162">162</a>         <strong>if</strong> (height>-1) {
<a name="163" href="#163">163</a>             eImage.addContent(generateSimpleElement(<span class="string">"height"</span>,String.valueOf(height)));
<a name="164" href="#164">164</a>         }
<a name="165" href="#165">165</a> 
<a name="166" href="#166">166</a>         String description = image.getDescription();
<a name="167" href="#167">167</a>         <strong>if</strong> (description!=<strong>null</strong>) {
<a name="168" href="#168">168</a>             eImage.addContent(generateSimpleElement(<span class="string">"description"</span>,description));
<a name="169" href="#169">169</a>         }
<a name="170" href="#170">170</a>     }
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>     <strong>protected</strong> <strong>void</strong> populateItem(<a href="../../../../../com/sun/syndication/feed/rss/Item.html">Item</a> item, Element eItem, <strong>int</strong> index) {
<a name="173" href="#173">173</a>         <strong>super</strong>.populateItem(item,eItem, index);
<a name="174" href="#174">174</a>         <a href="../../../../../com/sun/syndication/feed/rss/Description.html">Description</a> description = item.getDescription();
<a name="175" href="#175">175</a>         <strong>if</strong> (description!=<strong>null</strong>) {
<a name="176" href="#176">176</a>             eItem.addContent(generateSimpleElement(<span class="string">"description"</span>,description.getValue()));
<a name="177" href="#177">177</a>         }
<a name="178" href="#178">178</a>         <strong>if</strong> (item.getModule(getContentNamespace().getURI()) == <strong>null</strong> &amp;&amp; item.getContent() != <strong>null</strong>) {
<a name="179" href="#179">179</a>             Element elem = <strong>new</strong> Element(<span class="string">"encoded"</span>, getContentNamespace());
<a name="180" href="#180">180</a>             elem.addContent(item.getContent().getValue());
<a name="181" href="#181">181</a>             eItem.addContent(elem);
<a name="182" href="#182">182</a>         }
<a name="183" href="#183">183</a>     }
<a name="184" href="#184">184</a> 
<a name="185" href="#185">185</a>     <em>/**<em>*</em></em>
<a name="186" href="#186">186</a> <em>     * To be overriden by RSS 0.91 Netscape and RSS 0.94</em>
<a name="187" href="#187">187</a> <em>     */</em>
<a name="188" href="#188">188</a>     <strong>protected</strong> <strong>boolean</strong> isHourFormat24() {
<a name="189" href="#189">189</a>         <strong>return</strong> <strong>true</strong>;
<a name="190" href="#190">190</a>     }
<a name="191" href="#191">191</a> 
<a name="192" href="#192">192</a>     <strong>protected</strong> <strong>void</strong> checkChannelConstraints(Element eChannel) throws FeedException {
<a name="193" href="#193">193</a>         checkNotNullAndLength(eChannel,<span class="string">"title"</span>, 1, 100);
<a name="194" href="#194">194</a>         checkNotNullAndLength(eChannel,<span class="string">"description"</span>, 1, 500);
<a name="195" href="#195">195</a>         checkNotNullAndLength(eChannel,<span class="string">"link"</span>, 1, 500);
<a name="196" href="#196">196</a>         checkNotNullAndLength(eChannel,<span class="string">"language"</span>, 2, 5);
<a name="197" href="#197">197</a> 
<a name="198" href="#198">198</a>         checkLength(eChannel,<span class="string">"rating"</span>, 20, 500);
<a name="199" href="#199">199</a>         checkLength(eChannel,<span class="string">"copyright"</span>, 1, 100);
<a name="200" href="#200">200</a>         checkLength(eChannel,<span class="string">"pubDate"</span>, 1, 100);
<a name="201" href="#201">201</a>         checkLength(eChannel,<span class="string">"lastBuildDate"</span>, 1, 100);
<a name="202" href="#202">202</a>         checkLength(eChannel,<span class="string">"docs"</span>, 1, 500);
<a name="203" href="#203">203</a>         checkLength(eChannel,<span class="string">"managingEditor"</span>, 1, 100);
<a name="204" href="#204">204</a>         checkLength(eChannel,<span class="string">"webMaster"</span>, 1, 100);
<a name="205" href="#205">205</a> 
<a name="206" href="#206">206</a>         Element skipHours = eChannel.getChild(<span class="string">"skipHours"</span>);
<a name="207" href="#207">207</a>         <strong>if</strong> (skipHours!=<strong>null</strong>) {
<a name="208" href="#208">208</a>             List hours = skipHours.getChildren();
<a name="209" href="#209">209</a>             <strong>for</strong> (<strong>int</strong> i=0;i&lt;hours.size();i++) {
<a name="210" href="#210">210</a>                 Element hour = (Element) hours.get(i);
<a name="211" href="#211">211</a>                 <strong>int</strong> value = Integer.parseInt(hour.getText().trim());
<a name="212" href="#212">212</a>                 <strong>if</strong> (isHourFormat24()) {
<a name="213" href="#213">213</a>                     <strong>if</strong> (value&lt;1 || value>24) {
<a name="214" href="#214">214</a>                         <strong>throw</strong> <strong>new</strong> <a href="../../../../../com/sun/syndication/io/FeedException.html">FeedException</a>(<span class="string">"Invalid hour value "</span>+value+<span class="string">", it must be between 1 and 24"</span>);
<a name="215" href="#215">215</a>                     }
<a name="216" href="#216">216</a>                 }
<a name="217" href="#217">217</a>                 <strong>else</strong> {
<a name="218" href="#218">218</a>                     <strong>if</strong> (value&lt;0 || value>23) {
<a name="219" href="#219">219</a>                         <strong>throw</strong> <strong>new</strong> <a href="../../../../../com/sun/syndication/io/FeedException.html">FeedException</a>(<span class="string">"Invalid hour value "</span>+value+<span class="string">", it must be between 0 and 23"</span>);
<a name="220" href="#220">220</a>                     }
<a name="221" href="#221">221</a>                 }
<a name="222" href="#222">222</a>             }
<a name="223" href="#223">223</a>         }
<a name="224" href="#224">224</a>     }
<a name="225" href="#225">225</a> 
<a name="226" href="#226">226</a>     <strong>protected</strong> <strong>void</strong> checkImageConstraints(Element eImage) throws FeedException {
<a name="227" href="#227">227</a>         checkNotNullAndLength(eImage,<span class="string">"title"</span>, 1, 100);
<a name="228" href="#228">228</a>         checkNotNullAndLength(eImage,<span class="string">"url"</span>, 1, 500);
<a name="229" href="#229">229</a> 
<a name="230" href="#230">230</a>         checkLength(eImage,<span class="string">"link"</span>, 1, 500);
<a name="231" href="#231">231</a>         checkLength(eImage,<span class="string">"width"</span>, 1, 3);
<a name="232" href="#232">232</a>         checkLength(eImage,<span class="string">"width"</span>, 1, 3);
<a name="233" href="#233">233</a>         checkLength(eImage,<span class="string">"description"</span>, 1, 100);
<a name="234" href="#234">234</a>     }
<a name="235" href="#235">235</a> 
<a name="236" href="#236">236</a> 
<a name="237" href="#237">237</a>     <strong>protected</strong> <strong>void</strong> checkTextInputConstraints(Element eTextInput) throws FeedException {
<a name="238" href="#238">238</a>         checkNotNullAndLength(eTextInput,<span class="string">"title"</span>, 1, 100);
<a name="239" href="#239">239</a>         checkNotNullAndLength(eTextInput,<span class="string">"description"</span>, 1, 500);
<a name="240" href="#240">240</a>         checkNotNullAndLength(eTextInput,<span class="string">"name"</span>, 1, 20);
<a name="241" href="#241">241</a>         checkNotNullAndLength(eTextInput,<span class="string">"link"</span>, 1, 500);
<a name="242" href="#242">242</a>     }
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>     <strong>protected</strong> <strong>void</strong> checkItemConstraints(Element eItem) throws FeedException {
<a name="245" href="#245">245</a>         checkNotNullAndLength(eItem,<span class="string">"title"</span>, 1, 100);
<a name="246" href="#246">246</a>         checkNotNullAndLength(eItem,<span class="string">"link"</span>, 1, 500);
<a name="247" href="#247">247</a> 
<a name="248" href="#248">248</a>         checkLength(eItem,<span class="string">"description"</span>, 1, 500);
<a name="249" href="#249">249</a>     }
<a name="250" href="#250">250</a> 
<a name="251" href="#251">251</a> }
</pre>
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