import java.math.*; import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.spec.*; import java.security.*; import java.lang.management.*; import java.lang.ref.*; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.table.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.atomic.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; public class main { static HashMap data = new HashMap(); public static void main(String[] args) throws Exception { data.put("hello", "world"); data.put(123, litlist("Two", "things.")); dataToTable(data, "A Table"); } static JTable dataToTable(Object data) { return dataToTable(showTable(), data); } static JTable dataToTable(Object data, String title) { return dataToTable(showTable(title), data); } static JTable dataToTable(JTable table, Object data) { List> rows = new ArrayList>(); List cols = new ArrayList(); if (data instanceof List) { for (Object x : (List) data) try { rows.add(dataToTable_makeRow(x, cols)); } catch (Throwable __e) { __e.printStackTrace(); } } else if (data instanceof Map) { Map map = (Map) ( data); for (Object key : map.keySet()) { Object value = map.get(key); rows.add(litlist(structureOrText(key), structureOrText(value))); } } else print("Unknown data type: " + data); fillTableWithStrings(table, rows, cols); return table; } static ArrayList litlist(A... a) { return new ArrayList(Arrays.asList(a)); } static void dataToTable_dynSet(List l, int i, String s) { while (i >= l.size()) l.add(""); l.set(i, s); } static List dataToTable_makeRow(Object x, List cols) { if (instanceOf(x, "DynamicObject")) x = get_raw(x, "fieldValues"); if (x instanceof Map) { Map m = (Map) ( x); List row = new ArrayList(); for (Object _field : m.keySet()) { String field = (String) ( _field); Object value = m.get(field); int col = cols.indexOf(field); if (col < 0) { cols.add(field); col = cols.size()-1; } dataToTable_dynSet(row, col, structureOrText(value)); } return row; } return litlist(structureOrText(x)); } static JTable showTable(Object data, String title) { return dataToTable(data, title); } static JTable showTable() { return showTable(new ArrayList>(), new ArrayList()); } static JTable showTable(String title) { return showTable(new ArrayList>(), new ArrayList(), title); } static JTable showTable(List> rows, List cols) { return showTable(rows, cols, autoFrameTitle()); } static JTable showTable(List> rows, List cols, String title) { JFrame frame = new JFrame(title); frame.setBounds(10, 10, 500, 400); centerFrame(frame); JTable tbl = new JTable(); fillTableWithStrings(tbl, rows, cols); frame.getContentPane().add(new JScrollPane(tbl)); frame.setVisible(true); return tbl; } static String structureOrText(Object o) { return o instanceof String ? (String) o : structure(o); } static void fillTableWithStrings(final JTable table, List> rows, List colNames) { fillTableWithStrings(table, rows, toStringArray(colNames)); } // thread-safe static void fillTableWithStrings(final JTable table, List> rows, String... colNames) { Object[][] data = new Object[rows.size()][]; int w = 0; for (int i = 0; i < rows.size(); i++) { List l = rows.get(i); Object[] r = new Object[l.size()]; for (int j = 0; j < l.size(); j++) r[j] = l.get(j); data[i] = r; w = Math.max(w, l.size()); } Object[] columnNames = new Object[w]; for (int i = 0; i < w; i++) columnNames[i] = i < l(colNames) ? colNames[i] : "?"; final DefaultTableModel model = new DefaultTableModel(data, columnNames); SwingUtilities.invokeLater(new Runnable() { public void run() { try { setTableModel(table, model); } catch (Exception _e) { throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } } }); } static StringBuffer print_log; static void print() { print(""); } static void print(Object o) { String s = String.valueOf(o) + "\n"; synchronized(StringBuffer.class) { if (print_log == null) print_log = new StringBuffer(); } print_log.append(s); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } static boolean instanceOf(Object o, String className) { if (o == null) return false; String c = o.getClass().getName(); return eq(c, className) || eq(c, "main$" + className); } static void setTableModel(JTable table, TableModel model) { int i = table.getSelectedRow(); table.setModel(model); if (i >= 0 && i < model.getRowCount()) table.setRowSelectionInterval(i, i); } static String autoFrameTitle() { return "? - " + formatSnippetID(getProgramID()); } static int l(Object[] array) { return array == null ? 0 : array.length; } static int l(List list) { return list == null ? 0 : list.size(); } static int l(String s) { return s == null ? 0 : s.length(); } static void centerFrame(JFrame frame) { frame.setLocationRelativeTo(null); // magic trick } static String[] toStringArray(List list) { return list.toArray(new String[list.size()]); } static String[] toStringArray(Object o) { if (o instanceof String[]) return (String[]) o; else if (o instanceof List) return toStringArray((List) o); else throw fail("Not a list or array: " + structure(o)); } static Object get(Object o, String field) { if (o instanceof Class) return get((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(get_raw(o, "fieldValues"), "get", field); return get_raw(o, field); } static Object get_raw(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static String structure(Object o) { return structure(o, 0); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static String structure(Object o, int stringSizeLimit) { if (o == null) return "null"; String name = o.getClass().getName(); StringBuilder buf = new StringBuilder(); if (o instanceof Collection) { // TODO: store the type (e.g. HashSet/TreeSet) for (Object x : (Collection) o) { if (buf.length() != 0) buf.append(", "); buf.append(structure(x, stringSizeLimit)); } return "[" + buf + "]"; } if (o instanceof Map) { for (Object e : ((Map) o).entrySet()) { if (buf.length() != 0) buf.append(", "); buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit)); buf.append("="); buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit)); } return "{" + buf + "}"; } if (o.getClass().isArray()) { int n = Array.getLength(o); for (int i = 0; i < n; i++) { if (buf.length() != 0) buf.append(", "); buf.append(structure(Array.get(o, i), stringSizeLimit)); } return "array{" + buf + "}"; } if (o instanceof String) return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o); if (o instanceof Class) return "class(" + quote(((Class) o).getName()) + ")"; if (o instanceof Throwable) return "exception(" + quote(((Throwable) o).getMessage()) + ")"; // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) return String.valueOf(o); String shortName = o.getClass().getName().replaceAll("^main\\$", ""); int numFields = 0; String fieldName = ""; if (shortName.equals("DynamicObject")) { shortName = (String) get(o, "className"); Map fieldValues = (Map) get(o, "fieldValues"); for (String _fieldName : fieldValues.keySet()) { fieldName = _fieldName; Object value = fieldValues.get(fieldName); if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } else { // regular class // TODO: go to superclasses too Field[] fields = o.getClass().getDeclaredFields(); for (Field field : fields) { if ((field.getModifiers() & Modifier.STATIC) != 0) continue; Object value; try { field.setAccessible(true); value = field.get(o); } catch (Exception e) { value = "?"; } fieldName = field.getName(); // put special cases here... if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } String b = buf.toString(); if (numFields == 1 && structure_allowShortening) b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one String s = shortName; if (buf.length() != 0) s += "(" + b + ")"; return s; } static String quote(String s) { if (s == null) return "null"; return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\""; } static String quote(long l) { return quote("" + l); } static String programID; static String getProgramID() { return programID; } // TODO: ask JavaX instead static String getProgramID(Class c) { return or((String) getOpt(c, "programID"), "?"); } static boolean eq(Object a, Object b) { return a == null ? b == null : a.equals(b); } static Object call(Object o, String method, Object... args) { try { if (o instanceof Class) { Method m = call_findStaticMethod((Class) o, method, args, false); m.setAccessible(true); return m.invoke(null, args); } else { Method m = call_findMethod(o, method, args, false); m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName()); } static Method call_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && call_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName()); } private static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static String shorten(String s, int max) { return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "..."; } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static String or(String a, String b) { return a != null ? a : b; } static Object getOpt(Object o, String field) { if (o == null) return null; if (o instanceof Class) return getOpt((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(getOpt_raw(o, "fieldValues"), "get", field); return getOpt_raw(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object getOpt(Class c, String field) { try { Field f = getOpt_findStaticField(c, field); if (f == null) return null; f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field getOpt_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; return null; } static Field getOpt_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; return null; } // extended over Class.isInstance() to handle primitive types static boolean isInstanceX(Class type, Object arg) { if (type == boolean.class) return arg instanceof Boolean; if (type == int.class) return arg instanceof Integer; if (type == long.class) return arg instanceof Long; if (type == float.class) return arg instanceof Float; if (type == short.class) return arg instanceof Short; if (type == char.class) return arg instanceof Character; if (type == byte.class) return arg instanceof Byte; return type.isInstance(arg); } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) fail("0 is not a snippet ID"); return id; } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return snippetID; } }