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This is a java code to parse XML data using org.w3c.dom.
import lombok.Data;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import javax.xml.bind.JAXBException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.io.StringReader;
import java.util.LinkedList;
import java.util.List;
public class MainTesting {
public static void main(String[] args) throws IOException, SAXException, ParserConfigurationException, JAXBException {
String xmlRecords = "<?xml version=\"1.0\"?>\n" +
"<COMMAND>\n" +
" <DATA>\n" +
" <TXNID>1234567891</TXNID>\n" +
" <TXNAMT>15.00</TXNAMT>\n" +
" <TXNID>1234567892</TXNID>\n" +
" <TXNAMT>15.00</TXNAMT>\n" +
" <TXNID>1234567893</TXNID>\n" +
" <TXNAMT>15.00</TXNAMT>\n" +
" <TXNID>1234567894</TXNID>\n" +
" <TXNAMT>15.00</TXNAMT>\n" +
" </DATA>\n" +
"</COMMAND>";
DocumentBuilder db = DocumentBuilderFactory.newInstance().newDocumentBuilder();
InputSource is = new InputSource();
is.setCharacterStream(new StringReader(xmlRecords));
Document doc = db.parse(is);
NodeList dataTag = doc.getElementsByTagName("DATA");
NodeList dataItems = dataTag.item(0).getChildNodes();
DataItem item = null;
List<DataItem> items = new LinkedList<>();
Node node = dataItems.item(1);
while (node != null) {
if (node.getNodeName().equalsIgnoreCase("TXNID")) {
item = new DataItem();
items.add(item);
}
setValue(item, node.getNodeName(), node.getTextContent());
node = node.getNextSibling().getNextSibling();
}
items.add(item);
items.iterator().forEachRemaining(System.out::println);
}
static void setValue(DataItem item, String nodeName, String nodeValue) {
switch (nodeName) {
case "TXNID":
item.setTXNID(nodeValue);
break;
case "TXNAMT":
item.setTXNAMT(nodeValue);
break;
}
}
}
// Use Lombok
@Data
class DataItem {
private String TXNID;
private String TXNAMT;
}
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