diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/image/dot_green.png b/image/dot_green.png new file mode 100644 index 0000000..05f439d --- /dev/null +++ b/image/dot_green.png Binary files differ diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/image/dot_green.png b/image/dot_green.png new file mode 100644 index 0000000..05f439d --- /dev/null +++ b/image/dot_green.png Binary files differ diff --git a/image/dot_red.png b/image/dot_red.png new file mode 100644 index 0000000..bc64f7c --- /dev/null +++ b/image/dot_red.png Binary files differ diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/image/dot_green.png b/image/dot_green.png new file mode 100644 index 0000000..05f439d --- /dev/null +++ b/image/dot_green.png Binary files differ diff --git a/image/dot_red.png b/image/dot_red.png new file mode 100644 index 0000000..bc64f7c --- /dev/null +++ b/image/dot_red.png Binary files differ diff --git a/src/com/casic/swing/ui/TimeGuardNtp.form b/src/com/casic/swing/ui/TimeGuardNtp.form new file mode 100644 index 0000000..461c41d --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.form @@ -0,0 +1,124 @@ + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/image/dot_green.png b/image/dot_green.png new file mode 100644 index 0000000..05f439d --- /dev/null +++ b/image/dot_green.png Binary files differ diff --git a/image/dot_red.png b/image/dot_red.png new file mode 100644 index 0000000..bc64f7c --- /dev/null +++ b/image/dot_red.png Binary files differ diff --git a/src/com/casic/swing/ui/TimeGuardNtp.form b/src/com/casic/swing/ui/TimeGuardNtp.form new file mode 100644 index 0000000..461c41d --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.form @@ -0,0 +1,124 @@ + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/src/com/casic/swing/ui/TimeGuardNtp.java b/src/com/casic/swing/ui/TimeGuardNtp.java new file mode 100644 index 0000000..847f933 --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.java @@ -0,0 +1,159 @@ +package com.casic.swing.ui; + +import com.casic.swing.utils.CommandUtil; +import com.casic.swing.utils.TimeOrDateUtil; + +import javax.swing.*; +import javax.swing.border.EmptyBorder; +import javax.swing.event.ChangeEvent; +import javax.swing.event.ChangeListener; +import java.awt.*; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.awt.event.ItemEvent; +import java.awt.event.ItemListener; + +/** + * @author a203 + */ +public class TimeGuardNtp { + private JPanel ntpPanel; + private JComboBox hostComboBox; + private JLabel timeValueLabel; + private JButton updateTimeButton; + private JLabel dotView; + private JLabel currentTimeLabel; + private JCheckBox autoCheckBox; + private JComboBox periodComboBox; + + private static final String[] HOST_NAME = {"NTP服务器(上海)", "中国国家授时中心", "清华大学", "北京大学", "自定义"}; + private static final String[] HOST_IP = {"ntp.api.bz", "210.72.145.44", "s1b.time.edu.cn", "s1c.time.edu.cn"}; + /** + * 同步周期，单位：小时 + */ + private static final Integer[] PERIOD = {1, 6, 12, 24}; + private boolean hasNtp = false; + private String host = HOST_IP[0]; + + public static void main(String[] args) { + TimeGuardNtp timeGuard = new TimeGuardNtp(); + JFrame frame = new JFrame("TimeGuardNtp"); + frame.setContentPane(timeGuard.ntpPanel); + frame.setResizable(false); + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + frame.pack(); + frame.setSize(375, 240); + //居中 + frame.setLocationRelativeTo(null); + frame.setVisible(true); + //内边距 + timeGuard.ntpPanel.setBorder(new EmptyBorder(10, 10, 10, 10)); + timeGuard.dotView.setText("未同步"); + timeGuard.dotView.setIcon(new ImageIcon("image/dot_gray.png")); + + /** + * 时间间隔，单位为毫秒 + * */ + timeGuard.currentTimeLabel.setForeground(Color.BLUE); + new Timer(1000, new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + String systemTime = TimeOrDateUtil.timestampToTime(System.currentTimeMillis()); + timeGuard.currentTimeLabel.setText(systemTime); + } + }).start(); + + //初始化JComboBox + initComBox(timeGuard); + timeGuard.hostComboBox.addItemListener(new ItemListener() { + @Override + public void itemStateChanged(ItemEvent e) { + String item = (String) e.getItem(); + if (e.getStateChange() == ItemEvent.SELECTED) { + if ("自定义".equals(item)) { + String inputContent = JOptionPane.showInputDialog(timeGuard.ntpPanel, "请输入授时中心域名或者IP地址", "", JOptionPane.INFORMATION_MESSAGE); + if (inputContent.isEmpty()) { + JOptionPane.showMessageDialog(timeGuard.ntpPanel, "输入错误，请检查", "Runtime Error", JOptionPane.ERROR_MESSAGE); + } else { + timeGuard.host = inputContent; + } + } else { + for (int i = 0; i < HOST_NAME.length; i++) { + if (item.equals(HOST_NAME[i])) { + timeGuard.host = HOST_IP[i]; + } + } + + } + } + } + }); + + //检查环境 + new SwingWorker() { + + @Override + protected Boolean doInBackground() { + timeGuard.hasNtp = CommandUtil.checkEnv(); + return timeGuard.hasNtp; + } + + @Override + protected void done() { + if (!timeGuard.hasNtp) { + JOptionPane.showMessageDialog(timeGuard.ntpPanel, "未当前设备发现可用的NTP配置", "Runtime Error", JOptionPane.ERROR_MESSAGE); + //环境不对，关闭窗体 + frame.dispose(); + } + super.done(); + } + }.execute(); + + timeGuard.autoCheckBox.addChangeListener(new ChangeListener() { + @Override + public void stateChanged(ChangeEvent e) { + JCheckBox checkBox = (JCheckBox) e.getSource(); + timeGuard.updateTimeButton.setEnabled(!checkBox.isSelected()); + timeGuard.periodComboBox.setEnabled(checkBox.isSelected()); + } + }); + + timeGuard.periodComboBox.addItemListener(new ItemListener() { + @Override + public void itemStateChanged(ItemEvent e) { + int period = (Integer) e.getItem(); + if (e.getStateChange() == ItemEvent.SELECTED) { + System.out.println(period + "h"); + } + } + }); + + //按钮点击事件 + timeGuard.updateTimeButton.addActionListener(new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + String result = CommandUtil.ntpDate(timeGuard.host); + System.out.println("命令执行结果 ===> " + result); + boolean isSuccess = result.contains("step time server"); + if (isSuccess) { + timeGuard.dotView.setIcon(new ImageIcon("image/dot_green.png")); + timeGuard.dotView.setText("同步成功"); + timeGuard.timeValueLabel.setText(result); + } else { + timeGuard.dotView.setIcon(new ImageIcon("image/dot_red.png")); + timeGuard.dotView.setText("同步失败"); + timeGuard.timeValueLabel.setText(""); + } + } + }); + } + + private static void initComBox(TimeGuardNtp timeGuard) { + for (String s : HOST_NAME) { + timeGuard.hostComboBox.addItem(s); + } + for (Integer integer : PERIOD) { + timeGuard.periodComboBox.addItem(integer); + } + } +} diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/image/dot_green.png b/image/dot_green.png new file mode 100644 index 0000000..05f439d --- /dev/null +++ b/image/dot_green.png Binary files differ diff --git a/image/dot_red.png b/image/dot_red.png new file mode 100644 index 0000000..bc64f7c --- /dev/null +++ b/image/dot_red.png Binary files differ diff --git a/src/com/casic/swing/ui/TimeGuardNtp.form b/src/com/casic/swing/ui/TimeGuardNtp.form new file mode 100644 index 0000000..461c41d --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.form @@ -0,0 +1,124 @@ + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/src/com/casic/swing/ui/TimeGuardNtp.java b/src/com/casic/swing/ui/TimeGuardNtp.java new file mode 100644 index 0000000..847f933 --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.java @@ -0,0 +1,159 @@ +package com.casic.swing.ui; + +import com.casic.swing.utils.CommandUtil; +import com.casic.swing.utils.TimeOrDateUtil; + +import javax.swing.*; +import javax.swing.border.EmptyBorder; +import javax.swing.event.ChangeEvent; +import javax.swing.event.ChangeListener; +import java.awt.*; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.awt.event.ItemEvent; +import java.awt.event.ItemListener; + +/** + * @author a203 + */ +public class TimeGuardNtp { + private JPanel ntpPanel; + private JComboBox hostComboBox; + private JLabel timeValueLabel; + private JButton updateTimeButton; + private JLabel dotView; + private JLabel currentTimeLabel; + private JCheckBox autoCheckBox; + private JComboBox periodComboBox; + + private static final String[] HOST_NAME = {"NTP服务器(上海)", "中国国家授时中心", "清华大学", "北京大学", "自定义"}; + private static final String[] HOST_IP = {"ntp.api.bz", "210.72.145.44", "s1b.time.edu.cn", "s1c.time.edu.cn"}; + /** + * 同步周期，单位：小时 + */ + private static final Integer[] PERIOD = {1, 6, 12, 24}; + private boolean hasNtp = false; + private String host = HOST_IP[0]; + + public static void main(String[] args) { + TimeGuardNtp timeGuard = new TimeGuardNtp(); + JFrame frame = new JFrame("TimeGuardNtp"); + frame.setContentPane(timeGuard.ntpPanel); + frame.setResizable(false); + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + frame.pack(); + frame.setSize(375, 240); + //居中 + frame.setLocationRelativeTo(null); + frame.setVisible(true); + //内边距 + timeGuard.ntpPanel.setBorder(new EmptyBorder(10, 10, 10, 10)); + timeGuard.dotView.setText("未同步"); + timeGuard.dotView.setIcon(new ImageIcon("image/dot_gray.png")); + + /** + * 时间间隔，单位为毫秒 + * */ + timeGuard.currentTimeLabel.setForeground(Color.BLUE); + new Timer(1000, new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + String systemTime = TimeOrDateUtil.timestampToTime(System.currentTimeMillis()); + timeGuard.currentTimeLabel.setText(systemTime); + } + }).start(); + + //初始化JComboBox + initComBox(timeGuard); + timeGuard.hostComboBox.addItemListener(new ItemListener() { + @Override + public void itemStateChanged(ItemEvent e) { + String item = (String) e.getItem(); + if (e.getStateChange() == ItemEvent.SELECTED) { + if ("自定义".equals(item)) { + String inputContent = JOptionPane.showInputDialog(timeGuard.ntpPanel, "请输入授时中心域名或者IP地址", "", JOptionPane.INFORMATION_MESSAGE); + if (inputContent.isEmpty()) { + JOptionPane.showMessageDialog(timeGuard.ntpPanel, "输入错误，请检查", "Runtime Error", JOptionPane.ERROR_MESSAGE); + } else { + timeGuard.host = inputContent; + } + } else { + for (int i = 0; i < HOST_NAME.length; i++) { + if (item.equals(HOST_NAME[i])) { + timeGuard.host = HOST_IP[i]; + } + } + + } + } + } + }); + + //检查环境 + new SwingWorker() { + + @Override + protected Boolean doInBackground() { + timeGuard.hasNtp = CommandUtil.checkEnv(); + return timeGuard.hasNtp; + } + + @Override + protected void done() { + if (!timeGuard.hasNtp) { + JOptionPane.showMessageDialog(timeGuard.ntpPanel, "未当前设备发现可用的NTP配置", "Runtime Error", JOptionPane.ERROR_MESSAGE); + //环境不对，关闭窗体 + frame.dispose(); + } + super.done(); + } + }.execute(); + + timeGuard.autoCheckBox.addChangeListener(new ChangeListener() { + @Override + public void stateChanged(ChangeEvent e) { + JCheckBox checkBox = (JCheckBox) e.getSource(); + timeGuard.updateTimeButton.setEnabled(!checkBox.isSelected()); + timeGuard.periodComboBox.setEnabled(checkBox.isSelected()); + } + }); + + timeGuard.periodComboBox.addItemListener(new ItemListener() { + @Override + public void itemStateChanged(ItemEvent e) { + int period = (Integer) e.getItem(); + if (e.getStateChange() == ItemEvent.SELECTED) { + System.out.println(period + "h"); + } + } + }); + + //按钮点击事件 + timeGuard.updateTimeButton.addActionListener(new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + String result = CommandUtil.ntpDate(timeGuard.host); + System.out.println("命令执行结果 ===> " + result); + boolean isSuccess = result.contains("step time server"); + if (isSuccess) { + timeGuard.dotView.setIcon(new ImageIcon("image/dot_green.png")); + timeGuard.dotView.setText("同步成功"); + timeGuard.timeValueLabel.setText(result); + } else { + timeGuard.dotView.setIcon(new ImageIcon("image/dot_red.png")); + timeGuard.dotView.setText("同步失败"); + timeGuard.timeValueLabel.setText(""); + } + } + }); + } + + private static void initComBox(TimeGuardNtp timeGuard) { + for (String s : HOST_NAME) { + timeGuard.hostComboBox.addItem(s); + } + for (Integer integer : PERIOD) { + timeGuard.periodComboBox.addItem(integer); + } + } +} diff --git a/src/com/casic/swing/utils/CommandUtil.java b/src/com/casic/swing/utils/CommandUtil.java new file mode 100644 index 0000000..4217863 --- /dev/null +++ b/src/com/casic/swing/utils/CommandUtil.java @@ -0,0 +1,75 @@ +package com.casic.swing.utils; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.nio.charset.Charset; +import java.util.concurrent.TimeUnit; + +/** + * @author a203 + */ +public class CommandUtil { + /** + * 检查当前系统是否已安装NTP + */ + public static boolean checkEnv() { + try { + Process exec = Runtime.getRuntime().exec("ls"); +// Process exec = Runtime.getRuntime().exec("rpm -q ntp"); + try { + //等待命令执行完成 + exec.waitFor(5, TimeUnit.SECONDS); + } catch (InterruptedException e) { + e.printStackTrace(); + } + String result = parseResult(exec.getInputStream()); + System.out.println("命令执行结果 ===> " + result); + return !result.isEmpty(); + } catch (IOException e) { + e.printStackTrace(); + } + return false; + } + + /** + * 安装NTP + * yum -y install ntp + * */ + + /** + * 授时同步 + * ntpdate -u ntp.api.bz + */ + public static String ntpDate(String host) { + try { + Process exec = Runtime.getRuntime().exec("ntpdate -u " + host); + try { + //等待命令执行完成 + exec.waitFor(5, TimeUnit.SECONDS); + } catch (InterruptedException e) { + e.printStackTrace(); + } + return parseResult(exec.getInputStream()); + } catch (IOException e) { + e.printStackTrace(); + } + return ""; + } + + /** + * 解析命令结果 + */ + private static String parseResult(InputStream inputStream) throws IOException { + // 读取输出流内容 + InputStreamReader streamReader = new InputStreamReader(inputStream, Charset.defaultCharset()); + BufferedReader reader = new BufferedReader(streamReader); + StringBuilder builder = new StringBuilder(); + String line; + while ((line = reader.readLine()) != null) { + builder.append(line).append("\n"); + } + return builder.toString(); + } +} diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0841741 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +/out diff --git a/CasicTimeGuard.iml b/CasicTimeGuard.iml new file mode 100644 index 0000000..c90834f --- /dev/null +++ b/CasicTimeGuard.iml @@ -0,0 +1,11 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/META-INF/MANIFEST.MF b/META-INF/MANIFEST.MF new file mode 100644 index 0000000..e139a98 --- /dev/null +++ b/META-INF/MANIFEST.MF @@ -0,0 +1,3 @@ +Manifest-Version: 1.0 +Main-Class: com.casic.swing.ui.TimeGuardNtp + diff --git a/image/dot_gray.png b/image/dot_gray.png new file mode 100644 index 0000000..57254db --- /dev/null +++ b/image/dot_gray.png Binary files differ diff --git a/image/dot_green.png b/image/dot_green.png new file mode 100644 index 0000000..05f439d --- /dev/null +++ b/image/dot_green.png Binary files differ diff --git a/image/dot_red.png b/image/dot_red.png new file mode 100644 index 0000000..bc64f7c --- /dev/null +++ b/image/dot_red.png Binary files differ diff --git a/src/com/casic/swing/ui/TimeGuardNtp.form b/src/com/casic/swing/ui/TimeGuardNtp.form new file mode 100644 index 0000000..461c41d --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.form @@ -0,0 +1,124 @@ + +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/src/com/casic/swing/ui/TimeGuardNtp.java b/src/com/casic/swing/ui/TimeGuardNtp.java new file mode 100644 index 0000000..847f933 --- /dev/null +++ b/src/com/casic/swing/ui/TimeGuardNtp.java @@ -0,0 +1,159 @@ +package com.casic.swing.ui; + +import com.casic.swing.utils.CommandUtil; +import com.casic.swing.utils.TimeOrDateUtil; + +import javax.swing.*; +import javax.swing.border.EmptyBorder; +import javax.swing.event.ChangeEvent; +import javax.swing.event.ChangeListener; +import java.awt.*; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.awt.event.ItemEvent; +import java.awt.event.ItemListener; + +/** + * @author a203 + */ +public class TimeGuardNtp { + private JPanel ntpPanel; + private JComboBox hostComboBox; + private JLabel timeValueLabel; + private JButton updateTimeButton; + private JLabel dotView; + private JLabel currentTimeLabel; + private JCheckBox autoCheckBox; + private JComboBox periodComboBox; + + private static final String[] HOST_NAME = {"NTP服务器(上海)", "中国国家授时中心", "清华大学", "北京大学", "自定义"}; + private static final String[] HOST_IP = {"ntp.api.bz", "210.72.145.44", "s1b.time.edu.cn", "s1c.time.edu.cn"}; + /** + * 同步周期，单位：小时 + */ + private static final Integer[] PERIOD = {1, 6, 12, 24}; + private boolean hasNtp = false; + private String host = HOST_IP[0]; + + public static void main(String[] args) { + TimeGuardNtp timeGuard = new TimeGuardNtp(); + JFrame frame = new JFrame("TimeGuardNtp"); + frame.setContentPane(timeGuard.ntpPanel); + frame.setResizable(false); + frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); + frame.pack(); + frame.setSize(375, 240); + //居中 + frame.setLocationRelativeTo(null); + frame.setVisible(true); + //内边距 + timeGuard.ntpPanel.setBorder(new EmptyBorder(10, 10, 10, 10)); + timeGuard.dotView.setText("未同步"); + timeGuard.dotView.setIcon(new ImageIcon("image/dot_gray.png")); + + /** + * 时间间隔，单位为毫秒 + * */ + timeGuard.currentTimeLabel.setForeground(Color.BLUE); + new Timer(1000, new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + String systemTime = TimeOrDateUtil.timestampToTime(System.currentTimeMillis()); + timeGuard.currentTimeLabel.setText(systemTime); + } + }).start(); + + //初始化JComboBox + initComBox(timeGuard); + timeGuard.hostComboBox.addItemListener(new ItemListener() { + @Override + public void itemStateChanged(ItemEvent e) { + String item = (String) e.getItem(); + if (e.getStateChange() == ItemEvent.SELECTED) { + if ("自定义".equals(item)) { + String inputContent = JOptionPane.showInputDialog(timeGuard.ntpPanel, "请输入授时中心域名或者IP地址", "", JOptionPane.INFORMATION_MESSAGE); + if (inputContent.isEmpty()) { + JOptionPane.showMessageDialog(timeGuard.ntpPanel, "输入错误，请检查", "Runtime Error", JOptionPane.ERROR_MESSAGE); + } else { + timeGuard.host = inputContent; + } + } else { + for (int i = 0; i < HOST_NAME.length; i++) { + if (item.equals(HOST_NAME[i])) { + timeGuard.host = HOST_IP[i]; + } + } + + } + } + } + }); + + //检查环境 + new SwingWorker() { + + @Override + protected Boolean doInBackground() { + timeGuard.hasNtp = CommandUtil.checkEnv(); + return timeGuard.hasNtp; + } + + @Override + protected void done() { + if (!timeGuard.hasNtp) { + JOptionPane.showMessageDialog(timeGuard.ntpPanel, "未当前设备发现可用的NTP配置", "Runtime Error", JOptionPane.ERROR_MESSAGE); + //环境不对，关闭窗体 + frame.dispose(); + } + super.done(); + } + }.execute(); + + timeGuard.autoCheckBox.addChangeListener(new ChangeListener() { + @Override + public void stateChanged(ChangeEvent e) { + JCheckBox checkBox = (JCheckBox) e.getSource(); + timeGuard.updateTimeButton.setEnabled(!checkBox.isSelected()); + timeGuard.periodComboBox.setEnabled(checkBox.isSelected()); + } + }); + + timeGuard.periodComboBox.addItemListener(new ItemListener() { + @Override + public void itemStateChanged(ItemEvent e) { + int period = (Integer) e.getItem(); + if (e.getStateChange() == ItemEvent.SELECTED) { + System.out.println(period + "h"); + } + } + }); + + //按钮点击事件 + timeGuard.updateTimeButton.addActionListener(new ActionListener() { + @Override + public void actionPerformed(ActionEvent e) { + String result = CommandUtil.ntpDate(timeGuard.host); + System.out.println("命令执行结果 ===> " + result); + boolean isSuccess = result.contains("step time server"); + if (isSuccess) { + timeGuard.dotView.setIcon(new ImageIcon("image/dot_green.png")); + timeGuard.dotView.setText("同步成功"); + timeGuard.timeValueLabel.setText(result); + } else { + timeGuard.dotView.setIcon(new ImageIcon("image/dot_red.png")); + timeGuard.dotView.setText("同步失败"); + timeGuard.timeValueLabel.setText(""); + } + } + }); + } + + private static void initComBox(TimeGuardNtp timeGuard) { + for (String s : HOST_NAME) { + timeGuard.hostComboBox.addItem(s); + } + for (Integer integer : PERIOD) { + timeGuard.periodComboBox.addItem(integer); + } + } +} diff --git a/src/com/casic/swing/utils/CommandUtil.java b/src/com/casic/swing/utils/CommandUtil.java new file mode 100644 index 0000000..4217863 --- /dev/null +++ b/src/com/casic/swing/utils/CommandUtil.java @@ -0,0 +1,75 @@ +package com.casic.swing.utils; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.nio.charset.Charset; +import java.util.concurrent.TimeUnit; + +/** + * @author a203 + */ +public class CommandUtil { + /** + * 检查当前系统是否已安装NTP + */ + public static boolean checkEnv() { + try { + Process exec = Runtime.getRuntime().exec("ls"); +// Process exec = Runtime.getRuntime().exec("rpm -q ntp"); + try { + //等待命令执行完成 + exec.waitFor(5, TimeUnit.SECONDS); + } catch (InterruptedException e) { + e.printStackTrace(); + } + String result = parseResult(exec.getInputStream()); + System.out.println("命令执行结果 ===> " + result); + return !result.isEmpty(); + } catch (IOException e) { + e.printStackTrace(); + } + return false; + } + + /** + * 安装NTP + * yum -y install ntp + * */ + + /** + * 授时同步 + * ntpdate -u ntp.api.bz + */ + public static String ntpDate(String host) { + try { + Process exec = Runtime.getRuntime().exec("ntpdate -u " + host); + try { + //等待命令执行完成 + exec.waitFor(5, TimeUnit.SECONDS); + } catch (InterruptedException e) { + e.printStackTrace(); + } + return parseResult(exec.getInputStream()); + } catch (IOException e) { + e.printStackTrace(); + } + return ""; + } + + /** + * 解析命令结果 + */ + private static String parseResult(InputStream inputStream) throws IOException { + // 读取输出流内容 + InputStreamReader streamReader = new InputStreamReader(inputStream, Charset.defaultCharset()); + BufferedReader reader = new BufferedReader(streamReader); + StringBuilder builder = new StringBuilder(); + String line; + while ((line = reader.readLine()) != null) { + builder.append(line).append("\n"); + } + return builder.toString(); + } +} diff --git a/src/com/casic/swing/utils/TimeOrDateUtil.java b/src/com/casic/swing/utils/TimeOrDateUtil.java new file mode 100644 index 0000000..7adc5a6 --- /dev/null +++ b/src/com/casic/swing/utils/TimeOrDateUtil.java @@ -0,0 +1,18 @@ +package com.casic.swing.utils; + +import java.text.SimpleDateFormat; +import java.util.Date; + +/** + * @author a203 + */ +public class TimeOrDateUtil { + + /** + * 时间戳转时间 + */ + public static String timestampToTime(long millSeconds) { + SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); + return format.format(new Date(millSeconds)); + } +}