Anigozanthos

import java.io.*;
import java.security.*;

public class TiddlySaver extends java.applet.Applet {
  class PrivilegedLoad implements PrivilegedAction {
    private String filename;
    private String charset;

    public PrivilegedLoad(String filename, String charset) {
      this.filename = filename;
      this.charset  = charset;
    }

    public Object run() {
      try {
        if (charset.length() == 0) {
          StringBuffer data = new StringBuffer();
          BufferedReader r = new BufferedReader(new FileReader(filename));
          String line;
          while ((line = r.readLine()) != null) data.append(line).append("\n");
          r.close();
          return data.toString();
        } else {
          File f = new File(filename);
          FileInputStream i = new FileInputStream(f);
          byte[] b = new byte[(f.length() > Integer.MAX_VALUE) ? Integer.MAX_VALUE : (int)f.length()];
          int offset = 0;
          int num = 0;
          while (offset < b.length && (num = i.read(b, offset, b.length - offset)) >= 0) {
            offset += num;
          }
          i.close();
          return new String(b, 0, offset, charset);
        }
      } catch (Exception x) {
        x.printStackTrace();
        return null;
      }
    }
  }

  class PrivilegedSave implements PrivilegedAction {
    private String filename;
    private String charset;
    private String data;

    public PrivilegedSave(String filename, String charset, String data) {
      this.filename = filename;
      this.charset  = charset;
      this.data     = data;
    }

    public Object run() {
      try {
        File f = new File(filename).getCanonicalFile();
        f.getParentFile().mkdirs();
        if (charset.length() == 0) {
          int e, s = 0;
          BufferedWriter w = new BufferedWriter(new FileWriter(f));
          do {
            e = data.indexOf('\n', s);
            if (e == -1) e = data.length();
            w.write(data, s, e - s);
            w.newLine();
            s = e + 1;
          } while (s < data.length());
          w.close();
          return Boolean.TRUE;
        } else {
          FileOutputStream o = new FileOutputStream(f);
          o.write(data.getBytes(charset));
          o.close();
          return Boolean.TRUE;
        }
      } catch (Exception x) {
        x.printStackTrace();
        return Boolean.FALSE;
      }
    }
  }

  public String loadFile(String filename, String charset) {
    return (String)AccessController.doPrivileged(new PrivilegedLoad(filename, charset));
  }
  public int saveFile(String filename, String charset, String data) {
    return ((Boolean)AccessController.doPrivileged(new PrivilegedSave(filename, charset, data))).booleanValue() ? 1 : 0;
  }
}