package elevoc.fae.amazon.demo.file;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
public class Tes {
static Listlist=new ArrayList<>();
public static void main(String[] args) {
list.add("111111");
String path="E:\\data\\amazon\\demo\\src\\main\\java";
modifyFile(path,"sdd");
byte[] a=new byte[3];
byte[] b=new byte[3];
boolean b1 =equleByte(a, b);
System.out.println(b1);
}
public static void modifyFile(String path,String msg){
File file =new File(path);
// File[] files = file.listFiles();
modifyFile(file);
}
public static void modifyFile(File file){
File[] files = file.listFiles();
for (File f:files) {
if (!f.isDirectory()){
if (f.getName().equals("TestAb.java")){
modifyWR(f);
}
//System.out.println(f.getName());
}else {
modifyFile(f);
}
}
}
public static int isContailsBytes(byte[] a,byte[] b){
int c=a.length;
for (int i =0; i
if (a[i]==b[0]){
}
}
return 0;
}
public static boolean equleByte(byte[] a,byte[] b){
if (a.length!=b.length)return false;
for (int i =0; i
if (a[i]!=b[i])return false;
}
return true;
}
public static void modifyWR(File file){
try {
RandomAccessFile fileWriter=new RandomAccessFile(file,"rw");
String msg;
long up=0;
long cur=0;
while ((msg=fileWriter.readLine()) !=null){
long len=fileWriter.getChannel().position();
System.out.println(len);
//System.out.println( fileWriter.getChannel().position());
if (msg.contains(list.get(0))){
long len2=fileWriter.getChannel().position();
// System.out.println( "aa"+len2 );
System.out.println(msg.length());
fileWriter.seek(fileWriter.getChannel().position()-list.get(0).getBytes().length-2);
fileWriter.write(getNewString(list.get(0)));
}
}
}catch (IOException e) {
e.printStackTrace();
}
}
public static byte[] getNewString (String msg){
int a=msg.length();
StringBuilder stringBuilder =new StringBuilder();
for (int i =0; i
stringBuilder.append("i");
}
// stringBuilder.append("\n");
return stringBuilder.toString().getBytes();
}
}
