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CollUtil.forEach 增加null 判断

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This commit is contained in:
bwcx_jzy 2021-01-07 11:24:05 +08:00
parent 1deed5d9cf
commit 0e31ba2fc5
1 changed files with 12 additions and 0 deletions
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12
hutool-core/src/main/java/cn/hutool/core/collection/CollUtil.java
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@ -2560,6 +2560,9 @@ public class CollUtil {
* @since 5.4.7 * @since 5.4.7
*/ */
public static <T> void forEach(Iterable<T> iterable, Consumer<T> consumer) { public static <T> void forEach(Iterable<T> iterable, Consumer<T> consumer) {
if(iterable == null){
return;
}
forEach(iterable.iterator(), consumer); forEach(iterable.iterator(), consumer);
} }
@ -2571,6 +2574,9 @@ public class CollUtil {
* @param consumer {@link Consumer} 遍历的每条数据处理器 * @param consumer {@link Consumer} 遍历的每条数据处理器
*/ */
public static <T> void forEach(Iterator<T> iterator, Consumer<T> consumer) { public static <T> void forEach(Iterator<T> iterator, Consumer<T> consumer) {
if(iterator == null){
return;
}
int index = 0; int index = 0;
while (iterator.hasNext()) { while (iterator.hasNext()) {
consumer.accept(iterator.next(), index); consumer.accept(iterator.next(), index);
@ -2586,6 +2592,9 @@ public class CollUtil {
* @param consumer {@link Consumer} 遍历的每条数据处理器 * @param consumer {@link Consumer} 遍历的每条数据处理器
*/ */
public static <T> void forEach(Enumeration<T> enumeration, Consumer<T> consumer) { public static <T> void forEach(Enumeration<T> enumeration, Consumer<T> consumer) {
if(enumeration == null){
return;
}
int index = 0; int index = 0;
while (enumeration.hasMoreElements()) { while (enumeration.hasMoreElements()) {
consumer.accept(enumeration.nextElement(), index); consumer.accept(enumeration.nextElement(), index);
@ -2603,6 +2612,9 @@ public class CollUtil {
* @param kvConsumer {@link KVConsumer} 遍历的每条数据处理器 * @param kvConsumer {@link KVConsumer} 遍历的每条数据处理器
*/ */
public static <K, V> void forEach(Map<K, V> map, KVConsumer<K, V> kvConsumer) { public static <K, V> void forEach(Map<K, V> map, KVConsumer<K, V> kvConsumer) {
if(map == null){
return;
}
int index = 0; int index = 0;
for (Entry<K, V> entry : map.entrySet()) { for (Entry<K, V> entry : map.entrySet()) {
kvConsumer.accept(entry.getKey(), entry.getValue(), index); kvConsumer.accept(entry.getKey(), entry.getValue(), index);