Java implements instances of file copying and format changes
- 2020-04-01 01:28:21
- OfStack
package com.chen.lucene.image;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
public class Change2Image
{
public void change2Image(String path, String savePath) throws Exception
{
File file = new File(path);
if (!file.exists())
{
System.out.println(" The file does not exist! ");
return ;
}
//The copied path is created if it does not exist
File saveFile = new File(savePath);
if (!saveFile.exists())
{
saveFile.mkdirs();
}
//New file full path
String savePathNew = "";
for (File fbean : file.listFiles())
{
if (fbean.isFile())
{
System.out.println(fbean.getName() + "t" + fbean.getAbsolutePath());
// savePathNew = savePath + File.separator + fbean.getName()+ ".jpg";
//Convert the.tbi format in the file name to.jpg & NBSP;
savePathNew = savePath + File.separator + (fbean.getName().replaceAll(".tbi", ".jpg"));
//Begin to copy
copy(fbean ,new File(savePathNew));
}
}
}
private static void copy(File fromFile, File toFile) throws Exception{
if (!fromFile.exists())
{
System.out.println(" Source file empty! ");
}
if (!toFile.exists())
{
System.out.println(" Create a new file. ");
toFile.createNewFile();
}
FileInputStream fis = new FileInputStream(fromFile);
System.out.println("fromFile :" + fromFile.getAbsolutePath());
FileOutputStream fos = new FileOutputStream(toFile);
System.out.println("toFile :" + toFile.getAbsolutePath());
int len = 0;
byte[] buf = new byte[1024];
while((len = fis.read(buf)) != -1){
fos.write(buf,0,len);
}
fis.close();
fos.close();
}
public static void main(String[] args)
{
// String path = "E:/temp";
String path = "E:/temp/3 Monthly packet (1)/3 Monthly packet ";
String savePath = "E:/temp/img";
Change2Image change2Image = new Change2Image();
try
{
change2Image.change2Image(path, savePath);
}
catch (Exception e)
{
e.printStackTrace();
}
System.out.println(" complete ");
}
}