java软件如何优雅地写配置文件

.ini

.json

 

目前我使用的是txt方式，有些拙劣

import java.awt.BorderLayout;
import java.awt.FlowLayout;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import java.awt.Dialog.ModalityType;
import java.awt.Dialog.ModalExclusionType;
import javax.swing.JLabel;
import javax.swing.JTextField;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import java.awt.Insets;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.awt.event.ActionEvent;

public class HadoopSettingWin extends JDialog {

	private final JPanel contentPanel = new JPanel();
	private JTextField txtHdpIPPort;
	private JTextField txtHdpDst;
	public static String txtHdpIPPortValue = getIPPORTFormTxt();
	public static String txtHdpDstValue = getDIRPathFormTxt();

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		try {
			HadoopSettingWin dialog = new HadoopSettingWin();
			dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
			dialog.setVisible(true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	/**
	 * Create the dialog.
	 */
	public HadoopSettingWin() {
		setTitle("Hadoop Setting(Upload)");
		setModalityType(ModalityType.TOOLKIT_MODAL);
		setResizable(false);
		setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
		setBounds(100, 100, 450, 179);
		getContentPane().setLayout(new BorderLayout());
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		GridBagLayout gbl_contentPanel = new GridBagLayout();
		gbl_contentPanel.columnWidths = new int[]{140, 48, 66, 0};
		gbl_contentPanel.rowHeights = new int[]{21, 0, 0, 0};
		gbl_contentPanel.columnWeights = new double[]{0.0, 0.0, 1.0, Double.MIN_VALUE};
		gbl_contentPanel.rowWeights = new double[]{0.0, 0.0, 0.0, Double.MIN_VALUE};
		contentPanel.setLayout(gbl_contentPanel);
		{
			JLabel lblHadoopIPPort = new JLabel("Hadoop IP_Port");
			GridBagConstraints gbc_lblHadoopIPPort = new GridBagConstraints();
			gbc_lblHadoopIPPort.insets = new Insets(0, 0, 5, 5);
			gbc_lblHadoopIPPort.gridx = 0;
			gbc_lblHadoopIPPort.gridy = 0;
			contentPanel.add(lblHadoopIPPort, gbc_lblHadoopIPPort);
		}
		{
			txtHdpIPPort = new JTextField();
			txtHdpIPPort.setText(getIPPORTFormTxt());
			txtHdpIPPortValue =txtHdpIPPort.getText(); 
			GridBagConstraints gbc_txtHdpIPPort = new GridBagConstraints();
			gbc_txtHdpIPPort.insets = new Insets(0, 0, 5, 0);
			gbc_txtHdpIPPort.fill = GridBagConstraints.HORIZONTAL;
			gbc_txtHdpIPPort.gridx = 2;
			gbc_txtHdpIPPort.gridy = 0;
			contentPanel.add(txtHdpIPPort, gbc_txtHdpIPPort);
			txtHdpIPPort.setColumns(10);
		}
		{
			JLabel lblHadoopDst = new JLabel("Hadoop Dst");
			GridBagConstraints gbc_lblHadoopDst = new GridBagConstraints();
			gbc_lblHadoopDst.insets = new Insets(0, 0, 5, 5);
			gbc_lblHadoopDst.gridx = 0;
			gbc_lblHadoopDst.gridy = 1;
			contentPanel.add(lblHadoopDst, gbc_lblHadoopDst);
		}
		{
			txtHdpDst = new JTextField();
			txtHdpDst.setText(getDIRPathFormTxt());
			txtHdpDstValue = txtHdpDst.getText();
			GridBagConstraints gbc_txtHdpDst = new GridBagConstraints();
			gbc_txtHdpDst.insets = new Insets(0, 0, 5, 0);
			gbc_txtHdpDst.fill = GridBagConstraints.HORIZONTAL;
			gbc_txtHdpDst.gridx = 2;
			gbc_txtHdpDst.gridy = 1;
			contentPanel.add(txtHdpDst, gbc_txtHdpDst);
			txtHdpDst.setColumns(10);
		}
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				JButton okButton = new JButton("OK");
				okButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {
						txtHdpIPPortValue = txtHdpIPPort.getText();
						txtHdpDstValue = txtHdpDst.getText();
						setIPPORTToTxt(txtHdpIPPortValue);
						setDIRPathToTxt(txtHdpDstValue);
						dispose();
					}
					
				});
				okButton.setActionCommand("OK");
				buttonPane.add(okButton);
				getRootPane().setDefaultButton(okButton);
			}
			{
				JButton cancelButton = new JButton("Cancel");
				cancelButton.addActionListener(new ActionListener() {
					public void actionPerformed(ActionEvent e) {
						dispose();
					}
				});
				cancelButton.setActionCommand("Cancel");
				buttonPane.add(cancelButton);
			}
		}
	}



	public static String getIPPORTFormTxt() {
		String s = "";
		String pathname = "HadoopIPPort.txt"; // 
        //
        //
        //
        try (FileReader reader = new FileReader(pathname);
             BufferedReader br = new BufferedReader(reader) 
        ) {
            String line;
          
            while ((line = br.readLine()) != null) {
          
                System.out.println(line);
                s = line;
                Main.RecordSomethingTolog("getHadoopIPPORTFormTxt"+s);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
		return s;
				
	}
	
	public static String getDIRPathFormTxt() {
		String s = "";
		String pathname = "DirPath.txt"; 
        try (FileReader reader = new FileReader(pathname);
             BufferedReader br = new BufferedReader(reader) 
        ) {
            String line;
            while ((line = br.readLine()) != null) {
                System.out.println(line);
                s = line;
                Main.RecordSomethingTolog("getHadoopDIRPathFormTxt"+s);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
		return s;			
	}		
	public void setIPPORTToTxt(String IPPORT) {
		try {
            File writeName = new File("HadoopIPPort.txt"); 
            writeName.createNewFile(); 
            try (FileWriter writer = new FileWriter(writeName);
                 BufferedWriter out = new BufferedWriter(writer)
            ) {
                out.write(IPPORT+"\r\n"); 
                Main.RecordSomethingTolog("setHadoopIPPORTToTxt"+IPPORT);
                out.flush(); 
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
	}
	
	public void setDIRPathToTxt(String DirPath) {
		try {
            File writeName = new File("DirPath.txt");
            writeName.createNewFile(); 
            try (FileWriter writer = new FileWriter(writeName);
                 BufferedWriter out = new BufferedWriter(writer)
            ) {
                out.write(DirPath+"\r\n"); 
                Main.RecordSomethingTolog("setHadoopDIRPathToTxt"+DirPath);
                out.flush(); 
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
	}
}