title: Validation of TSV file in Java
body: <p>I make a web application to upload a tsv file</p>
  
  <ol>
  <li>JDK -> 1.4 </li>
  <li>Struts -> 1 </li>
  <li>Resin -> 3.0.9</li>
  </ol>
  
  <p>TSV file parsed with "\t","\n","\r"</p>
  
  <p>Validation is.</p>
  
  <p>　1.　Is the file name along a naming convention?</p>
  
  <p>　2.　Is it TSV file?</p>
  
  <p>How should I do validation of a picture or Office document similar to TSV?</p>