1455 String s = cl.getName();
1456 int i = s.lastIndexOf('[');
1457 if (i >= 0) {
1458 s = s.substring(i + 2);
1459 }
1460 i = s.lastIndexOf('.');
1461 return (i >= 0) ? s.substring(0, i) : "";
1462 }
1463
1464 /**
1465 * Compares class names for equality, ignoring package names. Returns true
1466 * if class names equal, false otherwise.
1467 */
1468 private static boolean classNamesEqual(String name1, String name2) {
1469 name1 = name1.substring(name1.lastIndexOf('.') + 1);
1470 name2 = name2.substring(name2.lastIndexOf('.') + 1);
1471 return name1.equals(name2);
1472 }
1473
1474 /**
1475 * Returns JVM type signature for given class.
1476 */
1477 private static String getClassSignature(Class<?> cl) {
1478 StringBuilder sbuf = new StringBuilder();
1479 while (cl.isArray()) {
1480 sbuf.append('[');
1481 cl = cl.getComponentType();
1482 }
1483 if (cl.isPrimitive()) {
1484 if (cl == Integer.TYPE) {
1485 sbuf.append('I');
1486 } else if (cl == Byte.TYPE) {
1487 sbuf.append('B');
1488 } else if (cl == Long.TYPE) {
1489 sbuf.append('J');
1490 } else if (cl == Float.TYPE) {
1491 sbuf.append('F');
1492 } else if (cl == Double.TYPE) {
1493 sbuf.append('D');
1494 } else if (cl == Short.TYPE) {
1495 sbuf.append('S');
1496 } else if (cl == Character.TYPE) {
1497 sbuf.append('C');
1498 } else if (cl == Boolean.TYPE) {
1499 sbuf.append('Z');
1500 } else if (cl == Void.TYPE) {
1501 sbuf.append('V');
1502 } else {
1503 throw new InternalError();
1504 }
1505 } else {
1506 sbuf.append('L' + cl.getName().replace('.', '/') + ';');
1507 }
1508 return sbuf.toString();
1509 }
1510
1511 /**
1512 * Returns JVM type signature for given list of parameters and return type.
1513 */
1514 private static String getMethodSignature(Class<?>[] paramTypes,
1515 Class<?> retType)
1516 {
1517 StringBuilder sbuf = new StringBuilder();
1518 sbuf.append('(');
1519 for (int i = 0; i < paramTypes.length; i++) {
1520 sbuf.append(getClassSignature(paramTypes[i]));
1521 }
1522 sbuf.append(')');
1523 sbuf.append(getClassSignature(retType));
1524 return sbuf.toString();
1525 }
1526
1527 /**
|
1455 String s = cl.getName();
1456 int i = s.lastIndexOf('[');
1457 if (i >= 0) {
1458 s = s.substring(i + 2);
1459 }
1460 i = s.lastIndexOf('.');
1461 return (i >= 0) ? s.substring(0, i) : "";
1462 }
1463
1464 /**
1465 * Compares class names for equality, ignoring package names. Returns true
1466 * if class names equal, false otherwise.
1467 */
1468 private static boolean classNamesEqual(String name1, String name2) {
1469 name1 = name1.substring(name1.lastIndexOf('.') + 1);
1470 name2 = name2.substring(name2.lastIndexOf('.') + 1);
1471 return name1.equals(name2);
1472 }
1473
1474 /**
1475 * Returns JVM type signature for given primitive.
1476 */
1477 private static String getPrimitiveSignature(Class<?> cl) {
1478 if (cl == Integer.TYPE)
1479 return "I";
1480 else if (cl == Byte.TYPE)
1481 return "B";
1482 else if (cl == Long.TYPE)
1483 return "J";
1484 else if (cl == Float.TYPE)
1485 return "F";
1486 else if (cl == Double.TYPE)
1487 return "D";
1488 else if (cl == Short.TYPE)
1489 return "S";
1490 else if (cl == Character.TYPE)
1491 return "C";
1492 else if (cl == Boolean.TYPE)
1493 return "Z";
1494 else if (cl == Void.TYPE)
1495 return "V";
1496 else
1497 throw new InternalError();
1498 }
1499
1500 /**
1501 * Returns JVM type signature for given class.
1502 */
1503 static String getClassSignature(Class<?> cl) {
1504 if (cl.isPrimitive())
1505 return getPrimitiveSignature(cl);
1506
1507 StringBuilder sbuf = new StringBuilder();
1508 while (cl.isArray()) {
1509 sbuf.append('[');
1510 cl = cl.getComponentType();
1511 }
1512
1513 if (cl.isPrimitive())
1514 sbuf.append(getPrimitiveSignature(cl));
1515 else
1516 sbuf.append('L').append(cl.getName().replace('.', '/')).append(';');
1517
1518 return sbuf.toString();
1519 }
1520
1521 /**
1522 * Returns JVM type signature for given list of parameters and return type.
1523 */
1524 private static String getMethodSignature(Class<?>[] paramTypes,
1525 Class<?> retType)
1526 {
1527 StringBuilder sbuf = new StringBuilder();
1528 sbuf.append('(');
1529 for (int i = 0; i < paramTypes.length; i++) {
1530 sbuf.append(getClassSignature(paramTypes[i]));
1531 }
1532 sbuf.append(')');
1533 sbuf.append(getClassSignature(retType));
1534 return sbuf.toString();
1535 }
1536
1537 /**
|