testxmlreader.html

解析RSS工具源码

<a name="186" href="#186">186</a>         InputStream is = getXmlStream(bomEnc,(prologEnc==<strong>null</strong>)?XML2 :XML3,streamEnc,prologEnc);
<a name="187" href="#187">187</a>         <strong>try</strong> {
<a name="188" href="#188">188</a>             <strong>new</strong> XmlReader(is,cT,false);
<a name="189" href="#189">189</a>             fail(<span class="string">"It should have failed for HTTP Content-type "</span>+cT+<span class="string">", BOM "</span>+bomEnc+<span class="string">", streamEnc "</span>+streamEnc+<span class="string">" and prologEnc "</span>+prologEnc);
<a name="190" href="#190">190</a>         }
<a name="191" href="#191">191</a>         <strong>catch</strong> (IOException ex) {
<a name="192" href="#192">192</a>             assertTrue(ex.getMessage().indexOf(<span class="string">"Invalid encoding,"</span>)>-1);
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a>      }
<a name="195" href="#195">195</a> 
<a name="196" href="#196">196</a>     <strong>protected</strong> <strong>void</strong> _testHttpLenient(String cT, String bomEnc, String streamEnc, String prologEnc, String shouldbe) throws Exception {
<a name="197" href="#197">197</a>         InputStream is = getXmlStream(bomEnc,(prologEnc==<strong>null</strong>)?XML2 :XML3,streamEnc,prologEnc);
<a name="198" href="#198">198</a>         XmlReader xmlReader = <strong>new</strong> XmlReader(is,cT,<strong>true</strong>);
<a name="199" href="#199">199</a>         assertEquals(xmlReader.getEncoding(),shouldbe);
<a name="200" href="#200">200</a>     }
<a name="201" href="#201">201</a> 
<a name="202" href="#202">202</a>     <em class="comment">// XML Stream generator</em>
<a name="203" href="#203">203</a> 
<a name="204" href="#204">204</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong>[] NO_BOM_BYTES = {};
<a name="205" href="#205">205</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong>[] UTF_16BE_BOM_BYTES = {0xFE,0xFF};
<a name="206" href="#206">206</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong>[] UTF_16LE_BOM_BYTES = {0xFF,0XFE};
<a name="207" href="#207">207</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong>[] UTF_8_BOM_BYTES = {0xEF,0xBB,0xBF};
<a name="208" href="#208">208</a> 
<a name="209" href="#209">209</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> Map BOMs = <strong>new</strong> HashMap();
<a name="210" href="#210">210</a> 
<a name="211" href="#211">211</a>     <strong>static</strong> {
<a name="212" href="#212">212</a>         BOMs.put(<span class="string">"no-bom"</span>,NO_BOM_BYTES);
<a name="213" href="#213">213</a>         BOMs.put(<span class="string">"UTF-16BE-bom"</span>,UTF_16BE_BOM_BYTES);
<a name="214" href="#214">214</a>         BOMs.put(<span class="string">"UTF-16LE-bom"</span>,UTF_16LE_BOM_BYTES);
<a name="215" href="#215">215</a>         BOMs.put(<span class="string">"UTF-16-bom"</span>,NO_BOM_BYTES); <em class="comment">// it's added by the writer</em>
<a name="216" href="#216">216</a>         BOMs.put(<span class="string">"UTF-8-bom"</span>,UTF_8_BOM_BYTES);
<a name="217" href="#217">217</a>     }
<a name="218" href="#218">218</a> 
<a name="219" href="#219">219</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> MessageFormat XML = <strong>new</strong> MessageFormat(
<a name="220" href="#220">220</a>             <span class="string">"&lt;root>{2}&lt;/root>"</span>);
<a name="221" href="#221">221</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> MessageFormat XML_WITH_PROLOG = <strong>new</strong> MessageFormat(
<a name="222" href="#222">222</a>             <span class="string">"&lt;?xml version=\&quot;1.0\&quot;?>\n&lt;root>{2}&lt;/root>"</span>);
<a name="223" href="#223">223</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> MessageFormat XML_WITH_PROLOG_AND_ENCODING_DOUBLE_QUOTES = <strong>new</strong> MessageFormat(
<a name="224" href="#224">224</a>             <span class="string">"&lt;?xml version=\&quot;1.0\&quot; encoding=\&quot;{1}\&quot;?>\n&lt;root>{2}&lt;/root>"</span>);
<a name="225" href="#225">225</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> MessageFormat XML_WITH_PROLOG_AND_ENCODING_SINGLE_QUOTES = <strong>new</strong> MessageFormat(
<a name="226" href="#226">226</a>             <span class="string">"&lt;?xml version=\&quot;1.0\&quot; encoding=''{1}''?>\n&lt;root>{2}&lt;/root>"</span>);
<a name="227" href="#227">227</a>   <strong>private</strong> <strong>static</strong> <strong>final</strong> MessageFormat XML_WITH_PROLOG_AND_ENCODING_SPACED_SINGLE_QUOTES = <strong>new</strong> MessageFormat(
<a name="228" href="#228">228</a>             <span class="string">"&lt;?xml version=\&quot;1.0\&quot; encoding =  \t \n \r''{1}''?>\n&lt;root>{2}&lt;/root>"</span>);
<a name="229" href="#229">229</a> 
<a name="230" href="#230">230</a>   <strong>private</strong> <strong>static</strong> <strong>final</strong> MessageFormat INFO = <strong>new</strong> MessageFormat(
<a name="231" href="#231">231</a>             <span class="string">"\nBOM : {0}\nDoc : {1}\nStream Enc : {2}\nProlog Enc : {3}\n"</span>);
<a name="232" href="#232">232</a> 
<a name="233" href="#233">233</a>     <strong>private</strong> <strong>static</strong> <strong>final</strong> Map XMLs = <strong>new</strong> HashMap();
<a name="234" href="#234">234</a> 
<a name="235" href="#235">235</a>     <strong>static</strong> {
<a name="236" href="#236">236</a>         XMLs.put(XML1, XML);
<a name="237" href="#237">237</a>         XMLs.put(XML2, XML_WITH_PROLOG);
<a name="238" href="#238">238</a>         XMLs.put(XML3, XML_WITH_PROLOG_AND_ENCODING_DOUBLE_QUOTES);
<a name="239" href="#239">239</a>         XMLs.put(XML4, XML_WITH_PROLOG_AND_ENCODING_SINGLE_QUOTES);
<a name="240" href="#240">240</a>         XMLs.put(XML5, XML_WITH_PROLOG_AND_ENCODING_SPACED_SINGLE_QUOTES);
<a name="241" href="#241">241</a>     }
<a name="242" href="#242">242</a> 
<a name="243" href="#243">243</a>     <em>/**<em>*</em></em>
<a name="244" href="#244">244</a> <em>     *</em>
<a name="245" href="#245">245</a> <em>     * @param bomType no-bom, UTF-16BE-bom, UTF-16LE-bom, UTF-8-bom</em>
<a name="246" href="#246">246</a> <em>     * @param xmlType xml, xml-prolog, xml-prolog-charset</em>
<a name="247" href="#247">247</a> <em>     * @return XML stream</em>
<a name="248" href="#248">248</a> <em>     */</em>
<a name="249" href="#249">249</a>     <strong>protected</strong> InputStream getXmlStream(String bomType,String xmlType,String streamEnc,String prologEnc) throws IOException {
<a name="250" href="#250">250</a>         ByteArrayOutputStream baos = <strong>new</strong> ByteArrayOutputStream(1024);
<a name="251" href="#251">251</a>         <strong>int</strong>[] bom = (<strong>int</strong>[]) BOMs.get(bomType);
<a name="252" href="#252">252</a>         <strong>if</strong> (bom==<strong>null</strong>) {
<a name="253" href="#253">253</a>             bom = <strong>new</strong> <strong>int</strong>[0];
<a name="254" href="#254">254</a>         }
<a name="255" href="#255">255</a>         MessageFormat xml = (MessageFormat) XMLs.get(xmlType);
<a name="256" href="#256">256</a>         <strong>for</strong> (<strong>int</strong> i=0;i&lt;bom.length;i++) {
<a name="257" href="#257">257</a>             baos.write(bom[i]);
<a name="258" href="#258">258</a>         }
<a name="259" href="#259">259</a>         Writer writer = <strong>new</strong> OutputStreamWriter(baos,streamEnc);
<a name="260" href="#260">260</a>         String info = INFO.format(<strong>new</strong> Object[]{bomType,xmlType,prologEnc});
<a name="261" href="#261">261</a>         String xmlDoc = xml.format(<strong>new</strong> Object[]{streamEnc,prologEnc,info});
<a name="262" href="#262">262</a>         writer.write(xmlDoc);
<a name="263" href="#263">263</a> 
<a name="264" href="#264">264</a>         <em class="comment">// PADDDING TO TEST THINGS WORK BEYOND PUSHBACK_SIZE</em>
<a name="265" href="#265">265</a>         writer.write(<span class="string">"&lt;da>\n"</span>);
<a name="266" href="#266">266</a>         <strong>for</strong> (<strong>int</strong> i=0;i&lt;10000;i++) {
<a name="267" href="#267">267</a>             writer.write(<span class="string">"&lt;do/>\n"</span>);
<a name="268" href="#268">268</a>         }
<a name="269" href="#269">269</a>         writer.write(<span class="string">"&lt;/da>\n"</span>);
<a name="270" href="#270">270</a> 
<a name="271" href="#271">271</a>         writer.close();
<a name="272" href="#272">272</a>         <strong>return</strong> <strong>new</strong> ByteArrayInputStream(baos.toByteArray());
<a name="273" href="#273">273</a>     }
<a name="274" href="#274">274</a> 
<a name="275" href="#275">275</a> 
<a name="276" href="#276">276</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>