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Document unchecked suppression. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/collections/trunk@1450421 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas Neidhart 2013-02-26 21:04:37 +00:00
parent 65eea73e74
commit 680979f72e
1 changed files with 7 additions and 3 deletions
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10
src/main/java/org/apache/commons/collections/bag/AbstractMapBag.java
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@ -457,11 +457,12 @@ public abstract class AbstractMapBag<E> implements Bag<E> {
* a supertype of the runtime type of the elements in this list
* @throws NullPointerException if the specified array is null
*/
@SuppressWarnings("unchecked")
public <T> T[] toArray(T[] array) {
final int size = size();
if (array.length < size) {
array = (T[]) Array.newInstance(array.getClass().getComponentType(), size);
@SuppressWarnings("unchecked") // safe as both are of type T
final T[] unchecked = (T[]) Array.newInstance(array.getClass().getComponentType(), size);
array = unchecked;
}
int i = 0;
@ -469,7 +470,10 @@ public abstract class AbstractMapBag<E> implements Bag<E> {
while (it.hasNext()) {
final E current = it.next();
for (int index = getCount(current); index > 0; index--) {
array[i++] = (T) current;
// unsafe, will throw ArrayStoreException if types are not compatible, see javadoc
@SuppressWarnings("unchecked")
final T unchecked = (T) current;
array[i++] = unchecked;
}
}
while (i < array.length) {