boxesruntime.java

来自「JAVA 语言的函数式编程扩展」· Java 代码 · 共 846 行 · 第 1/3 页

            return boxToBoolean(((Boolean) arg1).booleanValue() | ((Boolean) arg2).booleanValue());
        }
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 | val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 | val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 ^ arg2 */
    public static Object takeXor(Object arg1, Object arg2) throws NoSuchMethodException {
        if ((arg1 instanceof Boolean) || (arg2 instanceof Boolean)) {
            if (!((arg1 instanceof Boolean) && (arg2 instanceof Boolean))) {
                throw new NoSuchMethodException();
            }
            return boxToBoolean(((Boolean) arg1).booleanValue() ^ ((Boolean) arg2).booleanValue());
        }
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToInteger(val1 ^ val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToLong(val1 ^ val2);
        }
        throw new NoSuchMethodException();
    }

    /** arg1 && arg2 */
    public static Object takeConditionalAnd(Object arg1, Object arg2) throws NoSuchMethodException {
        if ((arg1 instanceof Boolean) && (arg2 instanceof Boolean)) {
            return boxToBoolean(((Boolean) arg1).booleanValue() && ((Boolean) arg2).booleanValue());
        }
        throw new NoSuchMethodException();
    }

    /** arg1 || arg2 */
    public static Object takeConditionalOr(Object arg1, Object arg2) throws NoSuchMethodException {
        if ((arg1 instanceof Boolean) && (arg2 instanceof Boolean)) {
            return boxToBoolean(((Boolean) arg1).booleanValue() || ((Boolean) arg2).booleanValue());
        }
        throw new NoSuchMethodException();
    }
        
    /** ~arg */
    public static Object complement(Object arg) throws NoSuchMethodException {
        int code = typeCode(arg);
        if (code <= INT) {
            int val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).intValue();
            return boxToInteger(~val);
        }
        if (code <= LONG) {
            long val = (code == CHAR) ? ((Character) arg).charValue() : ((Number) arg).longValue();
            return boxToLong(~val);
        }
        throw new NoSuchMethodException();
    }
        
    /** !arg */
    public static Object takeNot(Object arg) throws NoSuchMethodException {
        if (arg instanceof Boolean) {
          return boxToBoolean(!((Boolean) arg).booleanValue());
        }
        throw new NoSuchMethodException();
    }
    
    public static Object testEqual(Object arg1, Object arg2) throws NoSuchMethodException {
        return boxToBoolean(arg1 == arg2);
    }
    
    public static Object testNotEqual(Object arg1, Object arg2) throws NoSuchMethodException {
        return boxToBoolean(arg1 != arg2);
    }
    
    public static Object testLessThan(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToBoolean(val1 < val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToBoolean(val1 < val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToBoolean(val1 < val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToBoolean(val1 < val2);
        }
        throw new NoSuchMethodException();
    }
    
    public static Object testLessOrEqualThan(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToBoolean(val1 <= val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToBoolean(val1 <= val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToBoolean(val1 <= val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToBoolean(val1 <= val2);
        }
        throw new NoSuchMethodException();
    }
    
    public static Object testGreaterOrEqualThan(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToBoolean(val1 >= val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToBoolean(val1 >= val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToBoolean(val1 >= val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToBoolean(val1 >= val2);
        }
        throw new NoSuchMethodException();
    }
    
    public static Object testGreaterThan(Object arg1, Object arg2) throws NoSuchMethodException {
        int code1 = typeCode(arg1);
        int code2 = typeCode(arg2);
        int maxcode = (code1 < code2) ? code2 : code1;
        if (maxcode <= INT) {
            int val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).intValue();
            int val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).intValue();
            return boxToBoolean(val1 > val2);
        }
        if (maxcode <= LONG) {
            long val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).longValue();
            long val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).longValue();
            return boxToBoolean(val1 > val2);
        }
        if (maxcode <= FLOAT) {
            float val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).floatValue();
            float val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).floatValue();
            return boxToBoolean(val1 > val2);
        }
        if (maxcode <= DOUBLE) {
            double val1 = (code1 == CHAR) ? ((Character) arg1).charValue() : ((Number) arg1).doubleValue();
            double val2 = (code2 == CHAR) ? ((Character) arg2).charValue() : ((Number) arg2).doubleValue();
            return boxToBoolean(val1 > val2);
        }
        throw new NoSuchMethodException();
    }
        
    /** arg.toChar */
    public static Character toCharacter(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return (Character)arg;
        if (arg instanceof Byte) return boxToCharacter((char)unboxToByte(arg));
        if (arg instanceof Short) return boxToCharacter((char)unboxToShort(arg));
        if (arg instanceof Integer) return boxToCharacter((char)unboxToInt(arg));
        if (arg instanceof Long) return boxToCharacter((char)unboxToLong(arg));
        if (arg instanceof Float) return boxToCharacter((char)unboxToFloat(arg));
        if (arg instanceof Double) return boxToCharacter((char)unboxToDouble(arg));
        throw new NoSuchMethodException();
    }

    /** arg.toByte */
    public static Byte toByte(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return boxToByte((byte)unboxToChar(arg));
        if (arg instanceof Byte) return (Byte)arg;
        if (arg instanceof Short) return boxToByte((byte)unboxToShort(arg));
        if (arg instanceof Integer) return boxToByte((byte)unboxToInt(arg));
        if (arg instanceof Long) return boxToByte((byte)unboxToLong(arg));
        if (arg instanceof Float) return boxToByte((byte)unboxToFloat(arg));
        if (arg instanceof Double) return boxToByte((byte)unboxToDouble(arg));
        throw new NoSuchMethodException();
    }

    /** arg.toShort */
    public static Short toShort(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return boxToShort((short)unboxToChar(arg));
        if (arg instanceof Byte) return boxToShort((short)unboxToByte(arg));
        if (arg instanceof Short) return (Short)arg;
        if (arg instanceof Integer) return boxToShort((short)unboxToInt(arg));
        if (arg instanceof Long) return boxToShort((short)unboxToLong(arg));
        if (arg instanceof Float) return boxToShort((short)unboxToFloat(arg));
        if (arg instanceof Double) return boxToShort((short)unboxToDouble(arg));
        throw new NoSuchMethodException();
    }

    /** arg.toInt */
    public static Integer toInteger(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return boxToInteger((int)unboxToChar(arg));
        if (arg instanceof Byte) return boxToInteger((int)unboxToByte(arg));
        if (arg instanceof Short) return boxToInteger((int)unboxToShort(arg));
        if (arg instanceof Integer) return (Integer)arg;
        if (arg instanceof Long) return boxToInteger((int)unboxToLong(arg));
        if (arg instanceof Float) return boxToInteger((int)unboxToFloat(arg));
        if (arg instanceof Double) return boxToInteger((int)unboxToDouble(arg));
        throw new NoSuchMethodException();
    }

    /** arg.toLong */
    public static Long toLong(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return boxToLong((long)unboxToChar(arg));
        if (arg instanceof Byte) return boxToLong((long)unboxToByte(arg));
        if (arg instanceof Short) return boxToLong((long)unboxToShort(arg));
        if (arg instanceof Integer) return boxToLong((long)unboxToInt(arg));
        if (arg instanceof Long) return (Long)arg;
        if (arg instanceof Float) return boxToLong((long)unboxToFloat(arg));
        if (arg instanceof Double) return boxToLong((long)unboxToDouble(arg));
        throw new NoSuchMethodException();
    }

    /** arg.toFloat */
    public static Float toFloat(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return boxToFloat((float)unboxToChar(arg));
        if (arg instanceof Byte) return boxToFloat((float)unboxToByte(arg));
        if (arg instanceof Short) return boxToFloat((float)unboxToShort(arg));
        if (arg instanceof Integer) return boxToFloat((float)unboxToInt(arg));
        if (arg instanceof Long) return boxToFloat((float)unboxToLong(arg));
        if (arg instanceof Float) return (Float)arg;
        if (arg instanceof Double) return boxToFloat((float)unboxToDouble(arg));
        throw new NoSuchMethodException();
    }

    /** arg.toDouble */
    public static Double toDouble(Object arg) throws NoSuchMethodException {
        if (arg instanceof Character) return boxToDouble((double)unboxToChar(arg));
        if (arg instanceof Byte) return boxToDouble((double)unboxToByte(arg));
        if (arg instanceof Short) return boxToDouble((double)unboxToShort(arg));
        if (arg instanceof Integer) return boxToDouble((double)unboxToInt(arg));
        if (arg instanceof Long) return boxToDouble((double)unboxToLong(arg));
        if (arg instanceof Float) return boxToDouble((double)unboxToFloat(arg));
        if (arg instanceof Double) return (Double)arg;
        throw new NoSuchMethodException();
    }
    
}