EditableBufferedReader.java
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package pad.prac1;
import java.io.*;
public class EditableBufferedReader extends BufferedReader
{
private String line = "";
private boolean returnKey = false;
public EditableBufferedReader(Reader in)
{
super(in);
}
public EditableBufferedReader(Reader in, int sz)
{
super(in,sz);
}
private void setRaw() throws IOException, InterruptedException
{
String[] cmd = {"/bin/sh", "-c", "stty raw -echo </dev/tty"};
Runtime.getRuntime().exec(cmd).waitFor();
}
private void unsetRaw() throws IOException, InterruptedException
{
String[] cmd = {"/bin/sh", "-c", "stty -raw echo </dev/tty"};
Runtime.getRuntime().exec(cmd).waitFor();
}
public int read() throws IOException
{
return super.read();
}
public String readLine()
{
try
{
setRaw();
}
catch (Exception e)
{
System.out.println("Couldn't set terminal in raw mode");
return "";
}
while(!returnKey)
{
try
{
int character = read();
switch(character)
{
case 0x0D:
returnKey = true;
break;
default:
line += (char)character;
System.out.print((char)character);
break;
}
}
catch (IOException e)
{
System.out.println("Couldn't unset raw mode");
break;
}
}
try
{
unsetRaw();
}
catch (Exception e)
{
System.out.println("Couldn't unset raw mode");
return "";
}
return line;
}
}