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package org.holoeverywhere.util;
import java.lang.reflect.Array;
public class Arrays {
@SuppressWarnings("unchecked")
public static <T> T[] copyOfRange(T[] original, int from, int to) {
return Arrays.copyOfRange(original, from, to,
(Class<T[]>) original.getClass());
}
@SuppressWarnings("unchecked")
public static <T, U> T[] copyOfRange(U[] original, int from, int to,
Class<? extends T[]> newType) {
int newSize = to - from;
if (newSize < 0) {
throw new IllegalArgumentException(from + " > " + to);
}
T[] copy = (Object) newType == (Object) Object[].class ? (T[]) new Object[newSize]
: (T[]) Array.newInstance(newType.getComponentType(), newSize);
System.arraycopy(original, from, copy, 0,
Math.min(original.length - from, newSize));
return copy;
}
}
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