dbconfig.java

一个自制的DB framework,使用的配置方式新颖

package bits;
import javax.xml.parsers.*;
import org.w3c.dom.*;
import java.io.*;
public class DbConfig {
	private String hostname;
	private String driver;
	private String urlprotocal;
	private String port;
	private String databasename;
	private String user;
	private String pwd;
	private String configfile;
	
	public DbConfig(String DbConfigFile) {
		this.configfile = DbConfigFile;
	}

	public String getHostName() {
		return hostname;
	}

	

	public String getDriver() {
		return driver;
	}

	public String getUrlprotocal() {
		return urlprotocal;
	}

	public String getPort() {
		return port;
	}

	public String getDatabasement() {
		return databasename;
	}

	public String getUser() {
		return user;
	}

	public String getPwd() {
		return pwd;
	}
	
	public void parsed(){
		try{
			String filename = this.configfile;
			DocumentBuilderFactory factory = DocumentBuilderFactory
					.newInstance();
			DocumentBuilder builder = factory.newDocumentBuilder();
			Document doc = builder.parse(new File(filename));
			NodeList n1 = doc.getElementsByTagName("DataBase");
			for (int i = 0; i < n1.getLength(); i++) {
				Element node = (Element) n1.item(i);
				hostname = getNodeValue("hostname", node);
				driver = getNodeValue("driver", node);
				urlprotocal = getNodeValue("url-protocal", node);
				port = getNodeValue("port", node);
				databasename = getNodeValue("databasename", node);
				user = getNodeValue("user", node);
				pwd = getNodeValue("pwd", node);
			}
		}catch(Exception e){
			System.out.println(e.getMessage());
		}
	}
	
	public String getNodeValue(String nodeName,Element node){
		NodeList MyList = node.getElementsByTagName(nodeName);
		Node nodeTemp = MyList.item(0).getFirstChild();
		String strValue = nodeTemp.getNodeValue();
		return strValue;
	}
	

}