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847天前view plaincopy to clipboardprint? |
<?xml version="1.0"?> |
<students> |
<student> |
<name>John</name> |
<grade>B</grade> |
<age>12</age> |
</student> |
<student> |
<name>Mary</name> |
<grade>A</grade> |
<age>11</age> |
</student> |
<student> |
<name>Simon</name> |
<grade>A</grade> |
<age>18</age> |
</student> |
</students> |
<?xml version="1.0"?> |
<students> |
<student> |
<name>John</name> |
<grade>B</grade> |
<age>12</age> |
</student> |
<student> |
<name>Mary</name> |
<grade>A</grade> |
<age>11</age> |
</student> |
<student> |
<name>Simon</name> |
<grade>A</grade> |
<age>18</age> |
</student> |
</students> |
Java code to parse above XML. |
view plaincopy to clipboardprint? |
package net.viralpatel.java.xmlparser; |
import java.io.File; |
import javax.xml.parsers.DocumentBuilder; |
import javax.xml.parsers.DocumentBuilderFactory; |
import org.w3c.dom.Document; |
import org.w3c.dom.Element; |
import org.w3c.dom.Node; |
import org.w3c.dom.NodeList; |
public class XMLParser { |
public void getAllUserNames(String fileName) { |
try { |
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
DocumentBuilder db = dbf.newDocumentBuilder(); |
File file = new File(fileName); |
if (file.exists()) { |
Document doc = db.parse(file); |
Element docEle = doc.getDocumentElement(); |
// Print root element of the document |
System.out.println("Root element of the document: " |
+ docEle.getNodeName()); |
NodeList studentList = docEle.getElementsByTagName("student"); |
// Print total student elements in document |
System.out |
.println("Total students: " + studentList.getLength()); |
if (studentList != null && studentList.getLength() > 0) { |
for (int i = 0; i < studentList.getLength(); i++) { |
Node node = studentList.item(i); |
if (node.getNodeType() == Node.ELEMENT_NODE) { |
System.out |
.println("====================="); |
Element e = (Element) node; |
NodeList nodeList = e.getElementsByTagName("name"); |
System.out.println("Name: " |
+ nodeList.item(0).getChildNodes().item(0) |
.getNodeValue()); |
nodeList = e.getElementsByTagName("grade"); |
System.out.println("Grade: " |
+ nodeList.item(0).getChildNodes().item(0) |
.getNodeValue()); |
nodeList = e.getElementsByTagName("age"); |
System.out.println("Age: " |
+ nodeList.item(0).getChildNodes().item(0) |
.getNodeValue()); |
} |
} |
} else { |
System.exit(1); |
} |
} |
} catch (Exception e) { |
System.out.println(e); |
} |
} |
public static void main(String[] args) { |
XMLParser parser = new XMLParser(); |
parser.getAllUserNames("c:\\test.xml"); |
} |
} |
package net.viralpatel.java.xmlparser; |
import java.io.File; |
import javax.xml.parsers.DocumentBuilder; |
import javax.xml.parsers.DocumentBuilderFactory; |
import org.w3c.dom.Document; |
import org.w3c.dom.Element; |
import org.w3c.dom.Node; |
import org.w3c.dom.NodeList; |
public class XMLParser { |
public void getAllUserNames(String fileName) { |
try { |
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
DocumentBuilder db = dbf.newDocumentBuilder(); |
File file = new File(fileName); |
if (file.exists()) { |
Document doc = db.parse(file); |
Element docEle = doc.getDocumentElement(); |
// Print root element of the document |
System.out.println("Root element of the document: " |
+ docEle.getNodeName()); |
NodeList studentList = docEle.getElementsByTagName("student"); |
// Print total student elements in document |
System.out |
.println("Total students: " + studentList.getLength()); |
if (studentList != null && studentList.getLength() > 0) { |
for (int i = 0; i < studentList.getLength(); i++) { |
Node node = studentList.item(i); |
if (node.getNodeType() == Node.ELEMENT_NODE) { |
System.out |
.println("====================="); |
Element e = (Element) node; |
NodeList nodeList = e.getElementsByTagName("name"); |
System.out.println("Name: " |
+ nodeList.item(0).getChildNodes().item(0) |
.getNodeValue()); |
nodeList = e.getElementsByTagName("grade"); |
System.out.println("Grade: " |
+ nodeList.item(0).getChildNodes().item(0) |
.getNodeValue()); |
nodeList = e.getElementsByTagName("age"); |
System.out.println("Age: " |
+ nodeList.item(0).getChildNodes().item(0) |
.getNodeValue()); |
} |
} |
} else { |
System.exit(1); |
} |
} |
} catch (Exception e) { |
System.out.println(e); |
} |
} |
public static void main(String[] args) { |
XMLParser parser = new XMLParser(); |
parser.getAllUserNames("c:\\test.xml"); |
} |
} |
