java 文件格式批量修改及复制功能

package com.main.ui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class Main {

private static int lineY = 50;
private static int startY = 30;
private static int HEIGHT = 30;
private static JTextArea ta;
private static JComboBox intbox;
private static JComboBox outbox;
static List<String> fileList = new ArrayList<String>();
/**
* @param args
*/
public static void main(String[] args) {

final JFrame f = new JFrame("File");
f.setSize(500, 500);
f.setLocation(580, 240);
f.setLayout(null);

// 文件地址

JLabel fileName = new JLabel("文件地址：");
fileName.setBounds(50, startY, 70, HEIGHT);
f.add(fileName);

// 输入框
final JTextField tfName = new JTextField("请输入地址");
// tfName.setPreferredSize(new Dimension(150, 30));
tfName.setBounds(120, startY, 180, HEIGHT);
f.add(tfName);

// 选择按钮
JButton btnSelect = new JButton("选择地址");
btnSelect.setBounds(300, startY, 100, HEIGHT);
f.add(btnSelect);

lineY += startY;
// 下拉框出现的条目
JLabel findLabel = new JLabel("查找类型：");
findLabel.setBounds(50, lineY, 80, HEIGHT);
f.add(findLabel);

final String[] heros = new String[] { ".xml",".txt", ".java", ".kt", ".c",".sh",".mk"};

intbox = new JComboBox(heros);
intbox.setBounds(130, lineY, 80, HEIGHT);
intbox.setSelectedIndex(0);
f.add(intbox);

JLabel changeLabel = new JLabel("转为类型：");
changeLabel.setBounds(210, lineY, 80, HEIGHT);
f.add(changeLabel);

outbox = new JComboBox(heros);
outbox.setBounds(290, lineY, 80, HEIGHT);
outbox.setSelectedIndex(0);
f.add(outbox);
lineY += startY ;
final JCheckBox checkBox = new JCheckBox("选择此项，转化后删除源文件");
checkBox.setBounds(50, lineY, 200, HEIGHT);
checkBox.setSelected(false);
f.add(checkBox);

lineY += (startY + HEIGHT);

JButton btnFind = new JButton("查找");
btnFind.setBounds(50, lineY, 80, HEIGHT);
f.add(btnFind);

JButton btnChange = new JButton("转换");
btnChange.setBounds(200, lineY, 80, HEIGHT);
f.add(btnChange);

lineY += startY + HEIGHT;
ta = new JTextArea();
ta.setBounds(50, lineY, 350, 250);
ta.setText("文件名");
// 设置自动换行
ta.setLineWrap(true);
ta.setWrapStyleWord(true);

JScrollPane scroll = new JScrollPane(ta);
//把定义的JTextArea放到JScrollPane里面去
scroll.setBounds(50, lineY, 350, 250);
//分别设置水平和垂直滚动条自动出现
//scroll.setHorizontalScrollBarPolicy(
//JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);

f.add(scroll);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);

// 文件选择
final JFileChooser fc = new JFileChooser();
fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
//文件夹查找事件
btnSelect.addActionListener(new ActionListener() {

public void actionPerformed(java.awt.event.ActionEvent e) {

fc.showDialog(new JLabel(), "选择");
File file = fc.getSelectedFile();
if (file.isDirectory()) {
tfName.setText(file.getAbsolutePath());
System.out.println("文件夹:" + file.getAbsolutePath());
}
// System.out.println(fc.getSelectedFile().getName());

}
});

//文件选择事件
btnFind.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

System.out.println("文件夹:" + tfName.getText()+","+heros[intbox.getSelectedIndex()]);
if(IsFileDirExists(tfName.getText())){
showDialog(f, "地址为空或地址格式不正确。");
return;
}
fileList.clear();
getFileSearcHelper(tfName.getText(),heros[intbox.getSelectedIndex()],fileList);
System.out.print("123456789");

}
});

//转化选择事件
btnChange.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if(outbox.getSelectedIndex() == intbox.getSelectedIndex()){
showDialog(f,"格式相同，无法转化");
return ;
}
new Thread() {

public void run() {
if(fileList!=null &&fileList.size()>0){
for (int i = 0; i < fileList.size(); i++) {
String path = fileList.get(i);
if(IsFileExists(path)){
copyFile(path, heros[intbox.getSelectedIndex()], heros[outbox.getSelectedIndex()],checkBox.isSelected());
}
}
}else{
showDialog(f, "查找此格式的文件不存在");
}
}
}.start();
}
});
}

private static List<String> getFileSearcHelper(String path, final String s2, final List<String> list) {
File f = new File(path);
File[] temp = f.listFiles();
if (temp.length != 0) {
final File[] str = f.listFiles(new FilenameFilter() {
public boolean accept(File f, String mys) {
if (new File(f, mys).isDirectory()) {
getFileSearcHelper(new File(f, mys).getAbsolutePath(), s2, list);
return false;
} else if (new File(f, mys).isFile()) {
return mys.endsWith(s2);
}
return false;
}
});
if (ta != null) {
ta.setText("");
new Thread(){
public void run() {
for (final File myFlie : str) {
ta.append(myFlie.getAbsolutePath() + "\n");
System.out.println( myFlie.getAbsolutePath());
list.add(myFlie.getAbsolutePath());
}
};
}.start();

}
}
return list;
}

// 判断文件是否存在
private static boolean  IsFileExists(String path) {
File file = new File(path);
if (file.exists()&&!file.isDirectory()) {
return true;
}

return false;
}

// 判断文件是否存在
private static boolean  IsFileDirExists(String path) {
File file = new File(path);
if (file.exists()&& file.isDirectory()) {
return false;
}

return true;
}

private static void copyFile(String path,String str1,String str2,boolean bool){
FileWriter fw = null;
FileReader fr = null;
boolean boolea = true;
try {
String newPath =  path.replace(str1, str2);
System.out.println("newPath="+newPath);
File file = new File(newPath);
file.createNewFile();
//先创建目的地文件
fw = new FileWriter(file);
fr= new FileReader(path);

char [] reader = new char[1024];
int num = 0;
while ((num = fr.read(reader)) !=-1) {
fw.write(reader,0,num);
}
} catch (IOException e) {
boolea = false;
System.out.println(path);
throw new RuntimeException("读写错误");
}finally{
if (fw !=null) {
try {
fw.close(); //这里使用try-catch是因为防止创建失败（路径错误之类），当创建失败的时候这里就会出现NullPointerException
} catch (Exception e2) {
}
}
if (fr !=null) {
try {
fr.close(); //同上
} catch (Exception e2) {
}
}
if(bool&& boolea){
File file = new File(path);
file.delete();
}

}

}

private static void showDialog(JFrame f, String str){
JOptionPane.showMessageDialog(f, str);
}

}