NumberConversions.java

package com.github.tuserver.api.configuration;

/**
 * Utils for casting number types to other number types
 */
public final class NumberConversions {
	private NumberConversions() {}

	public static int floor(double num) {
		final int floor = (int) num;
		return floor == num ? floor : floor - (int) (Double.doubleToRawLongBits(num) >>> 63);
	}

	public static int ceil(final double num) {
		final int floor = (int) num;
		return floor == num ? floor : floor + (int) (~Double.doubleToRawLongBits(num) >>> 63);
	}

	public static int round(double num) {
		return floor(num + 0.5d);
	}

	public static double square(double num) {
		return num * num;
	}

	public static int toInt(Object object) {
		if (object instanceof Number) {
			return ((Number) object).intValue();
		}

		try {
			return Integer.valueOf(object.toString());
		} catch (NumberFormatException e) {
		} catch (NullPointerException e) {
		}
		return 0;
	}

	public static float toFloat(Object object) {
		if (object instanceof Number) {
			return ((Number) object).floatValue();
		}

		try {
			return Float.valueOf(object.toString());
		} catch (NumberFormatException e) {
		} catch (NullPointerException e) {
		}
		return 0;
	}

	public static double toDouble(Object object) {
		if (object instanceof Number) {
			return ((Number) object).doubleValue();
		}

		try {
			return Double.valueOf(object.toString());
		} catch (NumberFormatException e) {
		} catch (NullPointerException e) {
		}
		return 0;
	}

	public static long toLong(Object object) {
		if (object instanceof Number) {
			return ((Number) object).longValue();
		}

		try {
			return Long.valueOf(object.toString());
		} catch (NumberFormatException e) {
		} catch (NullPointerException e) {
		}
		return 0;
	}

	public static short toShort(Object object) {
		if (object instanceof Number) {
			return ((Number) object).shortValue();
		}

		try {
			return Short.valueOf(object.toString());
		} catch (NumberFormatException e) {
		} catch (NullPointerException e) {
		}
		return 0;
	}

	public static byte toByte(Object object) {
		if (object instanceof Number) {
			return ((Number) object).byteValue();
		}

		try {
			return Byte.valueOf(object.toString());
		} catch (NumberFormatException e) {
		} catch (NullPointerException e) {
		}
		return 0;
	}
}