MqttClientRequestParser Java Source Code

package kr.re.keti.ncube.mqttclient;

import java.io.StringReader;
import java.util.ArrayList;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;

public class MqttClientRequestParser {

	public static ArrayList<String> notificationParse(String xml) throws Exception {
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		DocumentBuilder builder = factory.newDocumentBuilder();
		InputSource xmlSource = new InputSource();
		xmlSource.setCharacterStream(new StringReader(xml));
		Document document = builder.parse(xmlSource);
		
		String rqi = "";
		String content = "";
		String subr = "";
		
		NodeList rqiNodeList = document.getElementsByTagName("rqi");
		if (rqiNodeList.getLength() > 0 && rqiNodeList.item(0).getChildNodes().getLength() > 0) {
			Node rqiNode = rqiNodeList.item(0).getChildNodes().item(0);
			rqi = rqiNode.getNodeValue();
		}
		
		NodeList conNodeList = document.getElementsByTagName("con");
		if (conNodeList.getLength() > 0 && conNodeList.item(0).getChildNodes().getLength() > 0) {
			Node conNode = conNodeList.item(0).getChildNodes().item(0);
			content = conNode.getNodeValue();
		}
		NodeList surNodeList = document.getElementsByTagName("sur");
		if (surNodeList.getLength() > 0 && surNodeList.item(0).getChildNodes().getLength() > 0) {
			Node surNode = surNodeList.item(0).getChildNodes().item(0);
			subr = surNode.getNodeValue();
		}
		
		ArrayList<String> returnArray = new ArrayList<String>();
		returnArray.add(rqi);
		returnArray.add(content);
		returnArray.add(subr);
		
		return returnArray;
	}
}