How to use

DebugUtils

in

com.ochafik.lang.reflect

public static final void println(Object o) {
  print(o, System.out, true, false, "", null);
}
public static final void println(Object o, PrintStream out) {

  out.print(escape(o.toString()));
  out.print('"');
  if (lines) out.println();
} else if (type == Character.class) {
  out.print('\'');
  out.print(escape(o.toString()));
  out.print('\'');
  if (lines) out.println();
  return;
} else if (!isCollection && hasToStringMethod(type)) {
  out.print(o);
  if (lines) out.println();
  for (int i = 0, n = Array.getLength(o); i < n; i++) {
    if (!lines && i != 0) out.print(", ");
    print(Array.get(o, i), out, lines, true, newIndent, accessor);
  for (Object e : (Collection<?>)o) {
    if (!lines && i++ != 0) out.print(", ");
    print(e, out, lines, true, newIndent, accessor);
  printStructureInsides(o, out, lines, startIndent, newIndent, accessor);

public static void main(String[] args) {
  //print(new int[] { 1, 2, 3, 4});
  println(new Object[] { new AssertUtils.Test(), }, new FieldAccessor() {
    public Object access(Field f, Object target) throws IllegalArgumentException, IllegalAccessException {
      return f.get(target);
    }
  });
}

public static final void printStructureInsides(Object o, PrintStream out, boolean lines, boolean startIndent, String indent, FieldAccessor accessor) {
  Class<?> type = o.getClass();
  Set<Field> fields = getFields(type);
  int i = 0;
  for (Field f : fields) {
      out.print('?');
    } else {
      print(v, out, lines, false, indent, accessor);

public static boolean hasToStringMethod(Class<?> c) {
  if (c == Object.class) return false;
  for (Method m : c.getDeclaredMethods()) {
    if (m.getName().equals("toString") && m.getParameterTypes().length == 0) {
      return true;
    }
  }
  return hasToStringMethod(c.getSuperclass());
}

public static final void printAsCharSequence(CharSequence o, PrintStream out, boolean lines, boolean startIndent, String indent, FieldAccessor accessor) {
  out.print('"');
  out.print(escape(((CharSequence)o).toString()));
  out.print('"');
  if (lines) out.println();
}

  out.print(escape(o.toString()));
  out.print('"');
  if (lines) out.println();
} else if (type == Character.class) {
  out.print('\'');
  out.print(escape(o.toString()));
  out.print('\'');
  if (lines) out.println();
  return;
} else if (!isCollection && hasToStringMethod(type)) {
  out.print(o);
  if (lines) out.println();
  for (int i = 0, n = Array.getLength(o); i < n; i++) {
    if (!lines && i != 0) out.print(", ");
    print(Array.get(o, i), out, lines, true, newIndent, accessor);
  for (Object e : (Collection<?>)o) {
    if (!lines && i++ != 0) out.print(", ");
    print(e, out, lines, true, newIndent, accessor);
  printStructureInsides(o, out, lines, startIndent, newIndent, accessor);

  public static void main(String[] args) {
    //print(new int[] { 1, 2, 3, 4});
    DebugUtils.println(new Object[] { new Test(), }, new DebugUtils.FieldAccessor() {
      public Object access(Field f, Object target) throws IllegalArgumentException, IllegalAccessException {
        return f.get(target);
      }
    });
  }
}

public static final void printStructureInsides(Object o, PrintStream out, boolean lines, boolean startIndent, String indent, FieldAccessor accessor) {
  Class<?> type = o.getClass();
  Set<Field> fields = getFields(type);
  int i = 0;
  for (Field f : fields) {
      out.print('?');
    } else {
      print(v, out, lines, false, indent, accessor);

public static boolean hasToStringMethod(Class<?> c) {
  if (c == Object.class) return false;
  for (Method m : c.getDeclaredMethods()) {
    if (m.getName().equals("toString") && m.getParameterTypes().length == 0) {
      return true;
    }
  }
  return hasToStringMethod(c.getSuperclass());
}

public static final void printAsCharSequence(CharSequence o, PrintStream out, boolean lines, boolean startIndent, String indent, FieldAccessor accessor) {
  out.print('"');
  out.print(escape(((CharSequence)o).toString()));
  out.print('"');
  if (lines) out.println();
}

public static void main(String[] args) {
  //print(new int[] { 1, 2, 3, 4});
  println(new Object[] { new AssertUtils.Test(), }, new FieldAccessor() {
    public Object access(Field f, Object target) throws IllegalArgumentException, IllegalAccessException {
      return f.get(target);
    }
  });
}

public static final void print(Object o, FieldAccessor accessor) {
  print(o, System.out, false, false, "", accessor);
}

  public static void main(String[] args) {
    //print(new int[] { 1, 2, 3, 4});
    DebugUtils.println(new Object[] { new Test(), }, new DebugUtils.FieldAccessor() {
      public Object access(Field f, Object target) throws IllegalArgumentException, IllegalAccessException {
        return f.get(target);
      }
    });
  }
}

public static final void println(Object o) {
  print(o, System.out, true, false, "", null);
}
public static final void println(Object o, PrintStream out) {

  public void run() {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    PrintStream pout = new PrintStream(bout);
    DebugUtils.println(SimpleGUI.this.config, pout);
    JTextArea ta = new JTextArea();
    ta.setWrapStyleWord(true);
    ta.setLineWrap(true);
    ta.setText(new String(bout.toByteArray()));
    JScrollPane sp = new JScrollPane(ta);
    Dimension s = new Dimension(500, 400);
    ta.setMaximumSize(new Dimension(s.width, Integer.MAX_VALUE));
    sp.setMaximumSize(s);
    sp.setMinimumSize(s);
    sp.setPreferredSize(s);
    JOptionPane.showMessageDialog(frame, sp, ftitle, JOptionPane.INFORMATION_MESSAGE);
  }
}));

public static final void printErr(Object o) {
  print(o, System.err, false, false, "", null);
}

  public void run() {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    PrintStream pout = new PrintStream(bout);
    DebugUtils.println(SimpleGUI.this.config, pout);
    JTextArea ta = new JTextArea();
    ta.setWrapStyleWord(true);
    ta.setLineWrap(true);
    ta.setText(new String(bout.toByteArray()));
    JScrollPane sp = new JScrollPane(ta);
    Dimension s = new Dimension(500, 400);
    ta.setMaximumSize(new Dimension(s.width, Integer.MAX_VALUE));
    sp.setMaximumSize(s);
    sp.setMinimumSize(s);
    sp.setPreferredSize(s);
    JOptionPane.showMessageDialog(frame, sp, ftitle, JOptionPane.INFORMATION_MESSAGE);
  }
}));

public static final void println(Object o, FieldAccessor accessor) {
  print(o, System.out, true, false, "", accessor);
}

public static final void printlnErr(Object o) {
  print(o, System.err, true, false, "", null);
}