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Code Issues Releases Wiki Activity

Annotate CollectionUtils methods with @Nullable, @Nonnull

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This commit is contained in:
Paul Schaub 2023-05-16 16:39:58 +02:00
parent 126571a6cd
commit 8b4dd0fc25
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 7 additions and 4 deletions
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11
pgpainless-core/src/main/java/org/pgpainless/util/CollectionUtils.java
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@ -4,6 +4,7 @@
package org.pgpainless.util;
import javax.annotation.Nonnull;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
@ -23,7 +24,8 @@ public final class CollectionUtils {
* @param <I> type
* @return list
*/
public static <I> List<I> iteratorToList(Iterator<I> iterator) {
@Nonnull
public static <I> List<I> iteratorToList(@Nonnull Iterator<I> iterator) {
List<I> items = new ArrayList<>();
while (iterator.hasNext()) {
I item = iterator.next();
@ -39,7 +41,8 @@ public final class CollectionUtils {
* @param <T> type
* @return t and ts as array
*/
public static <T> T[] concat(T t, T[] ts) {
@Nonnull
public static <T> T[] concat(@Nonnull T t, @Nonnull T[] ts) {
T[] concat = (T[]) Array.newInstance(t.getClass(), ts.length + 1);
concat[0] = t;
System.arraycopy(ts, 0, concat, 1, ts.length);
@ -53,7 +56,7 @@ public final class CollectionUtils {
* @param <T> type
* @return true if ts contains t, false otherwise
*/
public static <T> boolean contains(T[] ts, T t) {
public static <T> boolean contains(@Nonnull T[] ts, @Nonnull T t) {
for (T i : ts) {
if (i.equals(t)) {
return true;
@ -69,7 +72,7 @@ public final class CollectionUtils {
* @param iterator iterator to gather items from
* @param collection collection to add items to
*/
public static <T> void addAll(Iterator<T> iterator, Collection<T> collection) {
public static <T> void addAll(@Nonnull Iterator<T> iterator, @Nonnull Collection<T> collection) {
while (iterator.hasNext()) {
collection.add(iterator.next());
}