基于Java编写一个神奇的代码恢复工具
更新时间：2024年04月03日 11:15:43 作者：爱码少年
这篇文章主要为大家详细介绍了如何基于Java编写一个神奇的代码恢复工具,文中的示例代码简洁易懂,感兴趣的小伙伴可以跟随小编一起学习一下
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一、概述
小C是一名程序猿，他有好多新奇的点子，也乐于把这些变成文字分享给大家。这些分享大部分都与代码相关，在文章里面把这些代码全部按本来的结构展示出来也不是一件容易的事！
二、工具展示
这不，最近开发了一个小工具，界面介绍如下:
三、工具下载地址
procode-simple-0.0.1.jar 提取码: ca8z
四、运行过程
在输入框里面输入待恢复的代码，点击"开始恢复代码" 便生成原始项目结构的代码。
大家可以下载jar，拷贝附件代码尝试运行！
五、附件待恢复代码
代码恢复数据框输入的内容为：
goto pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.fly</groupId> <artifactId>procode</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>procode</name> <url>http://maven.apache.org</url> <properties> <java.version>1.8</java.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <!-- 导入swt --> <dependency> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.swt.win32.win32.x86_64</artifactId> <version>3.112.0</version> <exclusions> <exclusion> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.swt.gtk.linux.aarch64</artifactId> </exclusion> <exclusion> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.swt.gtk.linux.arm</artifactId> </exclusion> </exclusions> </dependency> <!-- 导入jface --> <dependency> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.jface</artifactId> <version>3.17.0</version> <exclusions> <exclusion> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.swt</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.equinox.common</artifactId> <version>3.11.0</version> </dependency> <dependency> <groupId>org.eclipse.platform</groupId> <artifactId>org.eclipse.core.commands</artifactId> <version>3.9.800</version> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.7.0</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build> </project>
goto src\main\java\com\fly\procode\core\DateUtil.java
//goto src\main\java\com\fly\procode\core\DateUtil.java
package com.fly.procode.core;
import java.text.SimpleDateFormat;
public class DateUtil
{
public final static String MMDDHHMM = "_MMddHHmm";
public static final String getCurrDateTimeStr(String formatStr)
{
SimpleDateFormat sdf = new SimpleDateFormat(formatStr);
return sdf.format(System.currentTimeMillis());
}
public static final String getCurrDateTimeStr()
{
return getCurrDateTimeStr(MMDDHHMM);
}
}
//goto src\main\java\com\fly\procode\core\Service.java
package com.fly.procode.core;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Observable;
import com.fly.procode.process.RunProgress;
/**
* 核心业务逻辑类
*/
public class Service extends Observable
{
// 项目源代码目录
private String sourcePath;
private RunProgress runProcess;
// 构造函数
public Service()
{
super();
}
public RunProgress getRunProcess()
{
return runProcess;
}
public void setRunProcess(RunProgress runProcess)
{
this.runProcess = runProcess;
}
public String getSourcePath()
{
return sourcePath;
}
public void setSourcePath(String sourcePath)
{
this.sourcePath = sourcePath;
}
// 创建备份文件
public void createBakFile(String bootPath, String bakFileName, List<String> fileFilter, String pwdtext)
{
// InputStream,OutputStream 并不负责文件创建或删除
// 这部分功能由File来实现
File bakfile = new File(bakFileName);
if (bakfile.exists())
{
bakfile.delete();
}
if (!"".equals(pwdtext))
{
// new FileOutputStream(File file,boolean append)
try (OutputStream fos = new FileOutputStream(bakFileName, false); BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(fos, "ISO-8859-1")))
{
writer.write("It is a encrypt backup File");
writer.newLine();
}
catch (IOException e)
{
e.printStackTrace();
}
}
// 备份文件
bakFile(bootPath, bakFileName, fileFilter, pwdtext);
}
// 递归备份文件
private void bakFile(String bootPath, String bakFileName, List<String> fileFilter, String pwdtext)
{
File file = new File(sourcePath);
if (file.exists() && file.isDirectory() && !file.getName().startsWith("."))
{
File[] files = file.listFiles();
for (int i = 0; i < files.length; i++)
{
File f1 = files[i];
if (f1.isDirectory())
{
Service p = new Service();
p.setRunProcess(runProcess);
p.addObserver(runProcess);
p.setSourcePath(f1.getPath());
p.bakFile(bootPath, bakFileName, fileFilter, pwdtext);
}
else if (f1.isFile())
{
if (isExtraFile(f1.getName(), fileFilter))
{
setChanged();
notifyObservers("开始处理文件： " + f1.getName());
List<String> list = new ArrayList<String>();
String text = "//goto " + f1.getPath().substring(bootPath.length());
list.add(text);
list.addAll(getFiletext(f1.getPath()));
writeFile(list, bakFileName, pwdtext);
}
}
}
}
}
// 以append 方式将text 写入 bakFile
private void writeFile(List<String> list, String bakFileName, String pwdtext)
{
// 设置缓冲区大小为8192 bytes
try (OutputStream os = new FileOutputStream(bakFileName, true); BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "ISO-8859-1"), 8192))
{
for (String text : list)
{
writer.write(text);
writer.newLine();
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
// 获取文件内容
private List<String> getFiletext(String filePath)
{
// 设置缓冲区大小为8192 bytes
List<String> list = new ArrayList<String>();
try (InputStream is = new FileInputStream(filePath); BufferedReader in = new BufferedReader(new InputStreamReader(is, "ISO-8859-1"), 8192))
{
String text;
while ((text = in.readLine()) != null)
{
list.add(text);
}
return list;
}
catch (IOException e)
{
e.printStackTrace();
return null;
}
}
// 是否为需要备份的文件类型
private boolean isExtraFile(String fileName, List<String> fileFilter)
{
for (String postfix : fileFilter)
{
if (fileName.endsWith(postfix))
{
return true;
}
}
return false;
}
// 从备份文件恢复文件至dir
public void createSourceFile(String bakFile, String dir)
{
File f = new File(bakFile);
String separator = System.getProperty("file.separator");
int beginIndex = bakFile.lastIndexOf(separator) + 1;
int endIndex = bakFile.indexOf("_");
String t;
if (endIndex > 0)
{
t = bakFile.substring(beginIndex, endIndex) + separator;
}
else
{
t = bakFile.substring(beginIndex, bakFile.indexOf(".")) + separator;
}
dir = dir + t;
List<String> list = getFiletext(f.getPath());
BufferedWriter writer = null;
for (String text : list)
{
try
{
if (text.trim().startsWith("//goto "))
{
// close old file
if (writer != null)
{
writer.close();
}
// creat new file
int pos = text.indexOf("//goto ") + 7;
File file = new File(dir + text.substring(pos));
file.getParentFile().mkdirs();
OutputStream os = new FileOutputStream(file);
writer = new BufferedWriter(new OutputStreamWriter(os, "8859_1"), 8192);
}
else
{
if (writer != null)
{
writer.write(text);
writer.newLine();
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
try
{
if (writer != null)
{
writer.close();
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
//goto src\main\java\com\fly\procode\process\RunProgress.java
package com.fly.procode.process;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.Observable;
import java.util.Observer;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import com.fly.procode.core.Service;
/**
*
* 创建代码进度条线程
*
* @author 00fly
* @version [版本号, 2017年5月3日]
* @see [相关类/方法]
* @since [产品/模块版本]
*/
public class RunProgress implements IRunnableWithProgress, Observer
{
private String sourcePath;
private String bakFileName;
private List<String> fileFilter;
private String pwdtext;
private IProgressMonitor monitor;
public RunProgress(String bootPath, String bakFileName, List<String> fileFilter, String pwdtext)
{
super();
this.sourcePath = bootPath;
this.bakFileName = bakFileName;
this.fileFilter = fileFilter;
this.pwdtext = pwdtext;
}
@Override
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException
{
// 在当前目录，创建并运行脚本
try
{
monitor.beginTask("代码备份", IProgressMonitor.UNKNOWN);
monitor.subTask("代码备份中......");
creatAndRun(sourcePath, bakFileName, fileFilter, pwdtext, monitor);
monitor.done();
}
catch (Exception e)
{
throw new InvocationTargetException(e.getCause(), e.getMessage());
}
}
// 运行代码创建程序
private void creatAndRun(String sourcePath, String bakFileName, List<String> fileFilter, String pwdtext, IProgressMonitor monitor)
{
this.monitor = monitor;
Service service = new Service();
service.setRunProcess(this);
service.addObserver(this);
service.setSourcePath(sourcePath);
service.createBakFile(sourcePath, bakFileName, fileFilter, pwdtext);
}
@Override
public void update(Observable observable, Object msg)
{
if (msg instanceof String)
{
monitor.subTask((String)msg);
}
}
}
//goto src\main\java\com\fly\procode\ui\ProCodeToolFrame.java
package com.fly.procode.ui;
import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
/**
*
* 工具UI简化版本
*
* @author 00fly
* @version [版本号, 2023年3月3日]
* @see [相关类/方法]
* @since [产品/模块版本]
*/
public class ProCodeToolFrame extends JFrame
{
private static final long serialVersionUID = -2145267777297657212L;
JFrame frame = this;
public ProCodeToolFrame()
{
initComponent();
this.setVisible(true);
this.setResizable(true);
this.setAlwaysOnTop(true);
this.setTitle("代码恢复工具 V1.0");
this.setBounds(400, 200, 1200, 550);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
try
{
// 设定用户界面的外观
UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
SwingUtilities.updateComponentTreeUI(this);
}
catch (Exception e)
{
}
}
/**
* 组件初始化
*
* @see [类、类#方法、类#成员]
*/
private void initComponent()
{
// 加载图标
URL url = getClass().getResource("/image/icon.gif");
if (url != null)
{
this.setIconImage(getToolkit().createImage(url));
}
JTextArea textArea = new JTextArea();
textArea.setToolTipText("请输入全部待恢复代码");
// JTextArea不自带滚动条，因此就需要把文本区放到一个滚动窗格中
JScrollPane scroll = new JScrollPane(textArea);
scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
JButton button = new JButton("开始恢复代码");
this.add(scroll, BorderLayout.CENTER);
this.add(button, BorderLayout.SOUTH);
button.addMouseListener(new MouseAdapter()
{
@Override
public void mouseClicked(MouseEvent event)
{
try
{
String dir = new File(" ").getCanonicalPath();
createSourceFile(textArea.getText(), dir);
JOptionPane.showMessageDialog(frame, "恢复文件到目录: " + dir + " 成功！", "提示", JOptionPane.INFORMATION_MESSAGE);
}
catch (Exception e)
{
JOptionPane.showMessageDialog(frame, e.getMessage(), "系統异常", JOptionPane.ERROR_MESSAGE);
}
}
});
}
/**
* 恢复文件至dir
*
* @param text
* @param dir
*/
private void createSourceFile(String text, String dir)
{
String[] textArr = text.split("\n");
BufferedWriter writer = null;
for (String line : textArr)
{
try
{
if (line.trim().startsWith("//goto "))
{
// close old file
if (writer != null)
{
writer.close();
}
// creat new file
int pos = line.indexOf("//goto ") + 7;
File file = new File(dir + line.substring(pos));
file.getParentFile().mkdirs();
OutputStream os = new FileOutputStream(file);
writer = new BufferedWriter(new OutputStreamWriter(os, StandardCharsets.UTF_8), 8192);
}
else
{
if (writer != null)
{
writer.write(line);
writer.newLine();
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
try
{
if (writer != null)
{
writer.close();
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
SwingUtilities.invokeLater(() -> new ProCodeToolFrame());
}
}
//goto src\main\java\com\fly\procode\ui\ProCodeToolSJ.java
package com.fly.procode.ui;
import java.awt.Desktop;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.widgets.TabItem;
import org.eclipse.swt.widgets.Text;
import com.fly.procode.core.DateUtil;
import com.fly.procode.core.Service;
import com.fly.procode.process.RunProgress;
/**
*
* swt jface版本
*
* @author 00fly
* @version [版本号, 2020年4月24日]
* @see [相关类/方法]
* @since [产品/模块版本]
*/
public class ProCodeToolSJ
{
Display display;
Shell shell;
org.eclipse.swt.widgets.List listJava;
org.eclipse.swt.widgets.List listPage;
public ProCodeToolSJ()
{
super();
display = new Display();
shell = new Shell(display, SWT.MIN | SWT.CLOSE | SWT.ON_TOP);
InputStream is = this.getClass().getResourceAsStream("/image/icon.gif");
if (is != null)
{
shell.setImage(new Image(display, is));
}
shell.setText("代码备份恢复工具 V1.1.0");
shell.setSize(540, 383);
Rectangle screeRec = display.getBounds();
Rectangle shellRec = shell.getBounds();
if (shellRec.height > screeRec.height)
{
shellRec.height = screeRec.height;
}
if (shellRec.width > screeRec.width)
{
shellRec.width = screeRec.width;
}
shell.setLocation((screeRec.width - shellRec.width) / 2, (screeRec.height - shellRec.height) / 2);
addMenu();
setContent();
shell.open();
while (!shell.isDisposed())
{
if (!display.readAndDispatch())
{
display.sleep();
}
}
display.dispose();
}
// main
public static void main(String[] args)
{
new ProCodeToolSJ();
}
// Menu set
private void addMenu()
{
Menu m = new Menu(shell, SWT.BAR);
// create a file menu and add an exit item
MenuItem file = new MenuItem(m, SWT.CASCADE);
file.setText("文件(&F)");
file.setAccelerator(SWT.CTRL + 'F');
Menu filemenu = new Menu(shell, SWT.DROP_DOWN);
file.setMenu(filemenu);
MenuItem openMenuItem = new MenuItem(filemenu, SWT.CASCADE);
openMenuItem.setText("最近备份(&O)");
openMenuItem.setAccelerator(SWT.CTRL + 'O');
Menu submenu = new Menu(shell, SWT.DROP_DOWN);
openMenuItem.setMenu(submenu);
MenuItem childItem = new MenuItem(submenu, SWT.PUSH);
childItem.setText("Child");
MenuItem saveMenuItem = new MenuItem(filemenu, SWT.CASCADE);
saveMenuItem.setText("最近恢复(&S)");
saveMenuItem.setAccelerator(SWT.CTRL + 'S');
Menu submenu2 = new Menu(shell, SWT.DROP_DOWN);
saveMenuItem.setMenu(submenu2);
MenuItem childItem2 = new MenuItem(submenu2, SWT.PUSH);
childItem2.setText("Child2");
new MenuItem(filemenu, SWT.SEPARATOR);
MenuItem exitMenuItem = new MenuItem(filemenu, SWT.PUSH);
exitMenuItem.setText("退出(&X)");
exitMenuItem.setAccelerator(SWT.CTRL + 'X');
exitMenuItem.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent e)
{
System.exit(0);
}
});
// create a Help menu and add an about item
MenuItem help = new MenuItem(m, SWT.CASCADE);
help.setText("帮助(&H)");
help.setAccelerator(SWT.CTRL + 'H');
Menu helpmenu = new Menu(shell, SWT.DROP_DOWN);
help.setMenu(helpmenu);
MenuItem useMenuItem = new MenuItem(helpmenu, SWT.PUSH);
useMenuItem.setText("使用指南(&U)");
new MenuItem(helpmenu, SWT.SEPARATOR);
MenuItem aboutMenuItem = new MenuItem(helpmenu, SWT.PUSH);
aboutMenuItem.setText("关于工具(&A)");
useMenuItem.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
MessageDialog.openInformation(shell, "使用指南", "请按以下顺序操作：" + "\n 文件备份" + "\n 1. 选择项目源文件的目录。" + "\n 2. 选择需要备份的文件类型。" + "\n 3. 选择备份文件输出目录。" + "\n 4. 导出文件。" + "\n " + "\n 文件恢复 " + "\n 1. 到备份目录下选择备份文件。" + "\n 2. 选择备份文件的恢复目录。" + "\n 3. 恢复文件");
}
});
aboutMenuItem.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
MessageDialog.openInformation(shell, "关于本工具", "代码备份恢复工具。\n\nkailin 于2010年5月。");
}
});
shell.setMenuBar(m);
}
public void setContent()
{
TabFolder tabFolder = new TabFolder(shell, SWT.NONE);
tabFolder.setBounds(5, 2, 525, 328);
TabItem item = new TabItem(tabFolder, SWT.NONE);
item.setText(" 代码备份 ");
item.setControl(new BakPanlTab(tabFolder, SWT.NONE));
TabItem item2 = new TabItem(tabFolder, SWT.NONE);
item2.setText(" 代码恢复 ");
item2.setControl(new RestorePanlTab(tabFolder, SWT.NONE));
}
// 备份面板
class BakPanlTab extends Composite
{
Button pwdButton;
Text tpwd = new Text(this, SWT.NONE);
public BakPanlTab(Composite c, int style)
{
super(c, style);
Label sourceLabel = new Label(this, SWT.NONE);
sourceLabel.setText("项目源文件目录:");
sourceLabel.setBounds(20, 30, 100, 18);
final Text tsourcePath = new Text(this, SWT.BORDER);
tsourcePath.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
tsourcePath.setEditable(false);
tsourcePath.setBounds(120, 30, 300, 20);
Button sourceBrowse = new Button(this, SWT.PUSH);
sourceBrowse.setText("选择");
sourceBrowse.setBounds(430, 30, 70, 20);
sourceBrowse.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
DirectoryDialog dialog = new DirectoryDialog(shell);
dialog.setFilterPath(tsourcePath.getText());
String fileName = dialog.open();
if (fileName != null)
{
if (fileName.endsWith("\\"))
{
tsourcePath.setText(fileName);
}
else
{
tsourcePath.setText(fileName + "\\");
}
// 新源文件目录被选中，清空密码
tpwd.setText("");
pwdButton.setEnabled(true);
}
}
});
Label fileTypeLabel = new Label(this, SWT.NONE);
fileTypeLabel.setText("源文件类型:");
fileTypeLabel.setBounds(20, 60, 100, 18);
listJava = new org.eclipse.swt.widgets.List(this, SWT.BORDER | SWT.V_SCROLL | SWT.SIMPLE | SWT.MULTI);
listJava.setBounds(120, 60, 120, 110);
listJava.setToolTipText("选择需要备份的源文件类型,支持多选!");
String[] fileTypes = {".java", ".xml", ".yml", ".properties", ".sql"};
listJava.setItems(fileTypes);
listPage = new org.eclipse.swt.widgets.List(this, SWT.BORDER | SWT.V_SCROLL | SWT.SIMPLE | SWT.MULTI);
listPage.setBounds(280, 60, 120, 110);
listPage.setToolTipText("选择需要备份的源文件类型,支持多选!");
String[] fileTypes2 = {".html", ".js", ".css", ".vue", ".jsp"};
listPage.setItems(fileTypes2);
Label pwdLabel = new Label(this, SWT.NONE);
pwdLabel.setText("可选项:");
pwdLabel.setBounds(20, 180, 100, 18);
pwdButton = new Button(this, SWT.PUSH);
pwdButton.setText("设置密码");
pwdButton.setBounds(120, 180, 100, 20);
pwdButton.setEnabled(false);
pwdButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
InputDialog dlg = new InputDialog(shell, "带密码备份", "请输入8位密码（包括字母，数字和字符）：", "", new LengthValidator());
if (dlg.open() == Window.OK)
{
tpwd.setText(dlg.getValue());
MessageDialog.openInformation(shell, "恭喜你", "密码设置成功！");
}
}
});
Label bakeLabel = new Label(this, SWT.NONE);
bakeLabel.setText("备份至目录:");
bakeLabel.setBounds(20, 210, 100, 18);
final Text tbakPath = new Text(this, SWT.BORDER);
tbakPath.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
tbakPath.setEditable(false);
tbakPath.setText(new File(" ").getAbsolutePath().trim());
tbakPath.setBounds(120, 210, 300, 20);
Button bakBrowse = new Button(this, SWT.PUSH);
bakBrowse.setText("选择");
bakBrowse.setBounds(430, 210, 70, 20);
bakBrowse.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
DirectoryDialog dialog = new DirectoryDialog(shell);
dialog.setFilterPath(tbakPath.getText());
String fileName = dialog.open();
if (fileName != null)
{
if (fileName.endsWith("\\"))
{
tbakPath.setText(fileName);
}
else
{
tbakPath.setText(fileName + "\\");
}
}
}
});
Button bakButton = new Button(this, SWT.PUSH);
bakButton.setText("开始备份");
bakButton.setBounds(220, 250, 100, 40);
bakButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
if ("".equals(tsourcePath.getText()))
{
MessageDialog.openWarning(shell, "警告", "项目源文件目录不可为空!");
return;
}
if (listJava.getSelectionCount() + listPage.getSelectionCount() < 1)
{
MessageDialog.openError(shell, "警告", "请选择源文件类型,支持多选!");
listJava.setFocus();
return;
}
String sourcePath = tsourcePath.getText();
String bakFileName = tbakPath.getText() + new File(sourcePath).getName() + DateUtil.getCurrDateTimeStr() + ".bak";
try
{
List<String> fileTypes = new ArrayList<String>();
for (String it : listJava.getSelection())
{
fileTypes.add(it);
}
for (String it : listPage.getSelection())
{
fileTypes.add(it);
}
String pwdtext = tpwd.getText();
IRunnableWithProgress runnable = new RunProgress(sourcePath, bakFileName, fileTypes, pwdtext);
new ProgressMonitorDialog(shell).run(true, false, runnable);
String message = "创建明文备份文件 " + bakFileName + " 成功！";
if (!"".equals(pwdtext))
{
message = "创建加密备份文件 " + bakFileName + " 成功！";
}
MessageDialog.openInformation(shell, "提示", message);
}
catch (InvocationTargetException e)
{
MessageDialog.openError(shell, "警告", e.getMessage());
}
catch (InterruptedException e)
{
MessageDialog.openInformation(shell, "Cancelled", "刷新操作被用户取消！");
}
catch (RuntimeException e)
{
MessageDialog.openError(shell, "错误", "创建备份文件 " + bakFileName + " 失败！");
}
if (MessageDialog.openConfirm(shell, "查看备份文件", "处理完成，是否直接查看文件?"))
{
try
{
Desktop.getDesktop().open(new File(bakFileName).getParentFile());
}
catch (IOException e)
{
}
}
}
});
}
// 密码长度验证
class LengthValidator implements IInputValidator
{
@Override
public String isValid(String newText)
{
int len = newText.length();
if (len < 8)
{
return "长度少于8位";
}
if (len > 8)
{
return "长度大于8位";
}
return null;
}
}
}
// 恢复面板
class RestorePanlTab extends Composite
{
public RestorePanlTab(Composite c, int style)
{
super(c, style);
Label bakeLabel = new Label(this, SWT.NONE);
bakeLabel.setText("选择备份文件:");
bakeLabel.setBounds(20, 30, 100, 18);
final Text tbakPath = new Text(this, SWT.BORDER);
tbakPath.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
tbakPath.setEditable(false);
tbakPath.setBounds(120, 30, 300, 20);
Button bakBrowse = new Button(this, SWT.PUSH);
bakBrowse.setText("选择");
bakBrowse.setBounds(430, 30, 70, 20);
bakBrowse.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
fileDialog.setText("选择文件");
String[] filterExt = {"*.bak"};
fileDialog.setFilterExtensions(filterExt);
String selected = fileDialog.open();
if (selected == null)
{
return;
}
tbakPath.setText(selected);
}
});
Label sourceLabel = new Label(this, SWT.NONE);
sourceLabel.setText("恢复至目录:");
sourceLabel.setBounds(20, 100, 100, 18);
final Text tsourcePath = new Text(this, SWT.BORDER);
tsourcePath.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
tsourcePath.setEditable(false);
tsourcePath.setText(new File(" ").getAbsolutePath().trim());
tsourcePath.setBounds(120, 100, 300, 20);
Button sourceBrowse = new Button(this, SWT.PUSH);
sourceBrowse.setText("选择");
sourceBrowse.setBounds(430, 100, 70, 20);
sourceBrowse.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
DirectoryDialog dialog = new DirectoryDialog(shell);
dialog.setFilterPath(tsourcePath.getText());
String fileName = dialog.open();
if (fileName != null)
{
if (fileName.endsWith("\\"))
{
tsourcePath.setText(fileName);
}
else
{
tsourcePath.setText(fileName + "\\");
}
}
}
});
Button resetButton = new Button(this, SWT.PUSH);
resetButton.setText("开始恢复");
resetButton.setBounds(220, 170, 100, 40);
resetButton.addSelectionListener(new SelectionAdapter()
{
@Override
public void widgetSelected(SelectionEvent event)
{
if ("".equals(tbakPath.getText()) || "".equals(tsourcePath.getText()))
{
MessageDialog.openWarning(shell, "警告", "备份文件或恢复目录不可为空!");
}
else
{
String dir = tsourcePath.getText();
try
{
new Service().createSourceFile(tbakPath.getText(), dir);
MessageDialog.openInformation(shell, "提示", "恢复文件到目录: " + dir + " 成功！");
}
catch (RuntimeException e)
{
MessageDialog.openError(shell, "错误", "恢复文件失败，请重新检查备份文件！");
}
}
}
});
}
}
}六、使用总结
下载 jar
拷贝代码
粘帖代码
一键恢复
以上就是基于Java编写一个神奇的代码恢复工具的详细内容，更多关于Java代码恢复工具的资料请关注程序员之家其它相关文章！
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