XPath provides no node

Hi gentlemen,

I'm having trouble reading az XML instance with Java 7 and XPath. The relevant extract from the file is:

{code}

<? XML version = "1.0" encoding = "ISO-8859-1? >

< xmlns:ehd = ehd:ehd "" urn: DHM / 001 ""

xmlns = "urn: DHM/BOM/001.

" xmlns: xsi =" http://www.w3.org/2001/XMLSchema-instance "

ehd_version '1.30' = >

< ehd:header >

<!--

->

< ehd:id EX = "1100" RT="1.2.276.0.76.3.1.1"/ >

< ehd:document_type_cd V = "BOM" S = "1.2.276.0.76.5.100' DN ="Stammdatei-Datenannahmestellen"/ >

< ehd:service_tmr V = "2006-07-01.." / >

< ehd:origination_dttm V = "2006-05-09" / > <! - Erstellungsdatum der Datei - >

<!--

->

< ehd:provider >

< ehd:organization >

< ehd:id EX = "1.2.276.0.76.3.1.1" RT="1.2.276.0.76"/ >

< ehd:organization.nm V = "Kassenärztliche Bundesvereinigung" / >

< ehd:addr >

< ehd:CNT V = "Deutschland" / >

< ehd:CTY V = "Berlin" / >

< ehd:HNR V = "2" / >

< ehd:ZIP V = "10623" / >

< ehd:STR V = "Herbert-Lewin-Platz" / >

< / ehd:addr >

" < ehd:telecom V = ' http://www.KBV.de "/ > "

< / ehd:organization >

< / ehd:provider >

<!--

->

< ehd:interface >

< ehd:id EX = "19441" RT="1.2.276.0.76.5.109"/ >

< ehd:interface.nm V = "BOM" / >

< ehd:version V = '1.07' / >

< / ehd:interface >

< / ehd:header >

< / ehd:ehd >

{code}

And here is the very short program to read an attribute:

{code}

import java.io.File;

import java.io.FileInputStream;

to import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.BufferedReader;

import java.io.FileReader;

Import javax.xml.parsers.DocumentBuilder;

Import javax.xml.parsers.DocumentBuilderFactory;

Import javax.xml.parsers.ParserConfigurationException;

Import javax.xml.xpath.XPath;

Import javax.xml.xpath.XPathConstants;

Import javax.xml.xpath.XPathExpression;

Import javax.xml.xpath.XPathExpressionException;

Import javax.xml.xpath.XPathFactory;

Import javax.xml.namespace.NamespaceContext;

Import org.xml.sax.InputSource;

to import org.W3C.DOM.document;

Import org.w3c.dom.Node;

Import org.w3c.dom.NodeList;

Import org.xml.sax.SAXException;

public class xpath {}

Public Shared Sub main (String [] args) {}

try {}

InputSource inputSource = new InputSource ("sdda_01.07_kbv.xml");

DocumentBuilderFactory plant = DocumentBuilderFactory.newInstance ();

factory.setNamespaceAware (true);

DocumentBuilder builder = factory.newDocumentBuilder ();

Document document = builder.parse (inputSource);

XPath xpath is XPathFactory.newInstance () .newXPath ();.

String expr = "/ ehd:ehd/ehd:header/ehd:id/@EX/text()";

Result of NodeList = (NodeList) xpath.evaluate (expr, inputSource, XPathConstants.NODESET);

for (int i = 0; i < = result.getLength (); i ++)

System.out.println (result. Item (i) .getNodeName ());

}

catch (Exception e) {}

e.printStackTrace ();

}

}

}

{code}

The program compiles fine, but it offers zero nodes. What can be my fault? Please help if you can. The program pulled an IBM site help programmers - I've changed it according to my needs.

Thank you in advance, best regards

Miklós Herboly

Thank you very much. Has been very helpful.

Tags: Oracle Development

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    Kind regards
    Karan
    http://learn-oraclesoa.blogspot.com/

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(
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) RETURN SYS.XMLTYPE AS
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    Thanks and regards, Pierre

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