// The MIT License (MIT)

//

// Copyright (c) 2016 Robert C. Seacord

//

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

// SOFTWARE.

package NUM12J;

class Conversions {

private static void narrowIntToByteWrong(int i) {

byte b = (byte) i; // b has value -128

System.out.println("b = " + b); //$NON-NLS-1$

}

private static void narrowIntToByte(int i) throws ArithmeticException {

// check if i is within byte range

if ((i < Byte.MIN_VALUE) || (i > Byte.MAX_VALUE)) {

throw new ArithmeticException("Int value is out of range"); //$NON-NLS-1$

}

byte b = (byte) i;

System.out.println("b = " + b); //$NON-NLS-1$

}

private static void fpToIntWrong(float f) {

// Converted to int then narrowed to short

short s = (short) f;

System.out.println("(short) s = " + s); //$NON-NLS-1$

// Converted to Integer.MAX_VALUE

int i = (int) f;

if (i == Integer.MAX_VALUE) {

System.out.println("i = Integer.MAX_VALUE"); //$NON-NLS-1$

}

// Converted to Long.MAX_VALUE

long l = (long) f;

if (l == Long.MAX_VALUE) {

System.out.println("l = Long.MAX_VALUE"); //$NON-NLS-1$

}

}

private static void fpToInt(float f) throws ArithmeticException {

if ((f < Short.MIN_VALUE) || (f > Short.MAX_VALUE)) {

throw new ArithmeticException ("Float value is out of range"); //$NON-NLS-1$

}

short s = (short)f;

System.out.println("s = " + s); //$NON-NLS-1$

}

public static void main(String[] args) {

// Integer narrowing

narrowIntToByteWrong(128);

try {

narrowIntToByte(128);

} catch (ArithmeticException ae) {

System.err.println("ArithmeticException: " + ae.getMessage()); //$NON-NLS-1$

}

// Floating-Point to Integer Conversion

System.out.println(Float.MAX_VALUE);

fpToIntWrong(Float.MAX_VALUE);

try {

fpToInt(Float.MAX_VALUE);

} catch (ArithmeticException ae) {

System.err.println("ArithmeticException: " + ae.getMessage()); //$NON-NLS-1$

}

}

}