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POExtract contents from xml which is in .jsp format
 

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  1. POExtract contents from xml which is in .jsp format
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    <p>monitorUrl-- <code>http://host03:8810/solr/admin/stats.jsp</code> which contains this xml file.</p> <pre><code> &lt;?xml-stylesheet type="text/xsl" href="stats.xsl"?&gt; &lt;solr&gt; &lt;core&gt;&lt;/core&gt; &lt;schema&gt;test&lt;/schema&gt; &lt;host&gt;domain.host.com&lt;/host&gt; &lt;now&gt;Fri Nov 11 11:14:01 PST 2011&lt;/now&gt; &lt;start&gt;Thu Sep 22 18:33:06 PDT 2011&lt;/start&gt; &lt;solr-info&gt; &lt;CORE&gt; &lt;entry&gt; &lt;name&gt; core &lt;/name&gt; &lt;class&gt; &lt;/class&gt; &lt;version&gt; 1.0 &lt;/version&gt; &lt;description&gt; SolrCore &lt;/description&gt; &lt;stats&gt; &lt;stat name="coreName" &gt; &lt;/stat&gt; &lt;stat name="startTime" &gt; Thu Sep 22 18:33:06 PDT 2011 &lt;/stat&gt; &lt;stat name="refCount" &gt; 2 &lt;/stat&gt; &lt;stat name="aliases" &gt; [] &lt;/stat&gt; &lt;/stats&gt; &lt;/entry&gt; &lt;entry&gt; &lt;name&gt; searcher &lt;/name&gt; &lt;class&gt; org.apache.solr.search.SolrIndexSearcher &lt;/class&gt; &lt;version&gt; 1.0 &lt;/version&gt; &lt;description&gt; index searcher &lt;/description&gt; &lt;stats&gt; &lt;stat name="searcherName" &gt; Searcher@5b637a2d main &lt;/stat&gt; &lt;stat name="caching" &gt; true &lt;/stat&gt; &lt;stat name="numDocs" &gt; 111959 &lt;/stat&gt; &lt;stat name="maxDoc" &gt; 112310 &lt;/stat&gt; &lt;stat name="reader" &gt; DirectoryReader(segments_h0 _1zn:Cv101710/351 _1zl:Cv8026 _1zp:Cv2574) &lt;/stat&gt; &lt;stat name="readerDir" &gt; org.apache.lucene.store.NIOFSDirectory@/es_idx_prd/projects/index/solr-agile/document/data/index lockFactory=org.apache.lucene.store.NativeFSLockFactory@2c164804 &lt;/stat&gt; &lt;stat name="indexVersion" &gt; 1313979005459 &lt;/stat&gt; &lt;stat name="openedAt" &gt; Fri Nov 11 11:00:04 PST 2011 &lt;/stat&gt; &lt;stat name="registeredAt" &gt; Fri Nov 11 11:00:04 PST 2011 &lt;/stat&gt; &lt;stat name="warmupTime" &gt; 0 &lt;/stat&gt; &lt;/stats&gt; &lt;/entry&gt; &lt;/solr-info&gt; &lt;/solr&gt; </code></pre> <p>And I want to extract the <strong>numDocs</strong> value from the above xml means 111959-- 111959 And the below fetchlog method is just reading each line of that jsp file. So how can I retrieve numDocs value by fetching it directly by reading it line by line.</p> <p>The monitorUrl is a .jsp file which is in xml format.</p> <pre><code>public void fetchlog() { InputStream is = null; FileOutputStream fos = null; try { is = HttpUtil.getFile(monitorUrl); BufferedReader in = new BufferedReader (new InputStreamReader (is)); String line; while ((line = in.readLine()) != null) { if(line.contains("numDocs")) { //Extract numDocs value- How to do this? } System.out.println(line); } fos = new FileOutputStream(buildTargetPath()); IOUtils.copy(is, fos); } catch (FileNotFoundException e) { log.error("File Exception in fetching monitor logs :" + e); } catch (IOException e) { log.error("Exception in fetching monitor logs :" + e); } } </code></pre>
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    1. COIf the .jsp happens to have a valid XML, you can parse it and use XPath to get the value of the desired element.
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    2. COhow can I do that. Any example based on my code will be appreciated..!!
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    3. COThe XML you've posted here doesn't seem to be a valid one. You can try opening it in a web-browser (with the first line commented out), and see where it fails.
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