Hi, I wrote a sample java dom parser code for accessing XML. Can somebay write more simpler code, please add that in the post.
***XML***
<?xml version="1.0" encoding="UTF-8"?>
<portfolio>
<stock>
<symbol>SUNW</symbol>
<name>Sun Microsystems</name>
<price>17.1</price>
</stock>
<stock>
<symbol>AOL</symbol>
<name>America Online</name>
<price>51.05</price>
</stock>
<stock>
<symbol>IBM</symbol>
<name>International Business
Machines</name>
<price>116.10</price>
</stock>
<stock>
<symbol>MOT</symbol>
<name>MOTOROLA</name>
<price>15.20</price>
</stock>
</portfolio>
***Java***
package com.xml;
import java.io.File;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import com.sun.org.apache.xpath.internal.operations.Equals;
/** This class represents short example how to parse XML file,
* get XML nodes values and its values.<br><br>
* @author Anand
*/
public class DOMXMLParser {
private final static String xmlFileName = "StockPrice.xml";
/** Creates a new instance of ParseXMLFile */
public DOMXMLParser() {
}
/** Returns element value
* @param elem element (it is XML tag)
* @return Element value otherwise empty String
*/
public Document parseFile(String fileName) {
System.out.println("Parsing XML file... " + fileName);
DocumentBuilder docBuilder;
Document doc = null;
DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
docBuilderFactory.setIgnoringElementContentWhitespace(true);
try {
docBuilder = docBuilderFactory.newDocumentBuilder();
}
catch (ParserConfigurationException e) {
System.out.println("Wrong parser configuration: " + e.getMessage());
return null;
}
File sourceFile = new File(fileName);
try {
doc = docBuilder.parse(sourceFile);
}
catch (SAXException e) {
System.out.println("Wrong XML file structure: " + e.getMessage());
return null;
}
catch (IOException e) {
System.out.println("Could not read source file: " + e.getMessage());
}
System.out.println("XML file parsed");
return doc;
}
public static void main(String[] args) {
DOMXMLParser xmla=new DOMXMLParser();
// parse XML file -> XML document will be build
Document doc = xmla.parseFile(xmlFileName);
NodeList x=doc.getElementsByTagName("stock");
System.out.println(x.getLength());
//System.out.println(x.item(0).getTextContent());
for (int i=0; i<x.getLength();i++){
//System.out.println(x.item(i).getChildNodes().item(1).getTextContent());
if ((x.item(i).getChildNodes().item(1).getTextContent()).equals("MOT") ){
System.out.println(x.item(i).getChildNodes().item(5).getTextContent());
}
}
// System.out.println(x.item(3).getChildNodes().item(1).getNodeName());
// System.out.println(x.item(3).getChildNodes().item(1).getTextContent());
// System.out.println(x.item(3).getChildNodes().item(3).getNodeName());
// System.out.println(x.item(3).getChildNodes().item(3).getTextContent());
// System.out.println(x.item(3).getChildNodes().item(5).getNodeName());
// System.out.println(x.item(3).getChildNodes().item(5).getTextContent());
// System.out.println(doc.getElementsByTagName("stock").item(2).getFirstChild().getNodeValue());
}
}