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POError in parsing XML file with encoding UTF-8 and UTF-16
 

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  1. POError in parsing XML file with encoding UTF-8 and UTF-16
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    <p>I am using below method to parse an XML file -</p> <pre><code>package com.kcs.xml; import java.io.File; import java.io.FileInputStream; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import org.w3c.dom.Document; import org.xml.sax.InputSource; public class ParseXMLOld { public static void main(String[] args) { final String FILE_PATH="C:\\abc.xml"; File file=new File(FILE_PATH); ParseXMLOld pxo=new ParseXMLOld(); pxo.parseUTFXML(file); } public Document parseUTFXML(File file) { DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder docBuilder=null; Document doc=null; try { docBuilder = docBuilderFactory.newDocumentBuilder(); InputStream inputStream= new FileInputStream(file); Reader reader = new InputStreamReader(inputStream,"UTF-16"); InputSource is = new InputSource(reader); is.setEncoding("UTF-16"); doc = docBuilder.parse(is); System.out.println("Done"); } catch(Exception e) { e.printStackTrace(); } finally { docBuilderFactory=null; docBuilder=null; } return doc; } } </code></pre> <p>I have two file with encoding UTF-8 and UTF-16. If value of "UTF_ENCODING" in above code is UTF-8 then the file with "UTF-8" encoding works fine. But my code fails to parse other file with encoding "UTF-16" and vice versa.</p> <p>I would like to mention one more interesting thing, if I create an sample XML file manually with encoding UTF-16, IE7 fails to open it. But the file with UTF-16 encoding, that I am trying to parse (I am getting it from another system) is opening in IE7. But if you edit the first line of this file (change encoding to UTF-8 and then change it to UTF-16 again), it doesn't open. I have no idea why this is happening.</p> <p>Please help.</p> <p>I dont know how I can share these file. If required please tell me how can I share these two files?</p> <p><strong>For example, how can I parse below file?</strong></p> <pre><code>&lt;?xml version="1.0" encoding="UTF-16"?&gt; &lt;Details&gt; &lt;Content&gt; &lt;id&gt;1234¥£€$¢&lt;/id&gt; &lt;Valid_From_Date&gt;2013-01-01&lt;/Valid_From_Date&gt; &lt;Valid_To_Date&gt;9999-12-31&lt;/Valid_To_Date&gt; &lt;Company&gt;1210&lt;/Company&gt; &lt;Description&gt;2nd Life Transaction&lt;/Description&gt; &lt;/Content&gt; &lt;Totals&gt; &lt;Count&gt;1&lt;/Count&gt; &lt;/Totals&gt; &lt;/Details&gt; </code></pre> <p>I am getting below error -</p> <p>[Fatal Error] :1:1: Content is not allowed in prolog. org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; Content is not allowed in prolog. at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:251) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:300) at com.kcs.xml.ParseXMLOld.parseUTF8XML(ParseXMLOld.java:34) at com.kcs.xml.ParseXMLOld.main(ParseXMLOld.java:19)</p>
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