xmlutils.java

来自「本程序是是用Java写的端口扫描器,Xml做配置文件,能自定义端口」· Java 代码 · 共 55 行

package src;

import java.io.File;
import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;
import org.xml.sax.SAXException;

public class XmlUtils {
	private static String path="scan-config.xml";
	public static Document getDocument(){
		DocumentBuilderFactory bf=DocumentBuilderFactory.newInstance();
		DocumentBuilder db;
		try {
			db = bf.newDocumentBuilder();
			Document doc=db.parse(new File("scan-config.xml"));
			return doc;
		} catch (ParserConfigurationException e) {
			ScannerGUI.textArea.setText("配置文件初始化失败...");
			return null;
		} catch (SAXException e) {
			ScannerGUI.textArea.setText("配置文件初始化失败...");
			return null;
		} catch (IOException e) {
			ScannerGUI.textArea.setText("配置文件初始化失败...");
			return null;
		}
	}
	
	public static void saveConfiguration(Document doc){
		TransformerFactory tff=TransformerFactory.newInstance();
		try {
			Transformer transformer=tff.newTransformer();
			transformer.setOutputProperty("encoding", "gb2312");
			transformer.transform(new DOMSource(doc),new StreamResult(new File(path)));
			ScannerGUI.textArea.setText("配置成功...");
		} catch (TransformerConfigurationException e) {
			ScannerGUI.textArea.setText("配置失败...");
		} catch (TransformerException e) {
			ScannerGUI.textArea.setText("配置失败...");
		}
	}
	
}