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【轻量级 PR】：fix: convertXxxByFlatMap, 当map后内容为null时, flatMap会出现NPE

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Signed-off-by: dhb52 <dhb52@126.com>
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dhb52 2024-03-27 14:30:28 +00:00 committed by Gitee
parent d556b29214
commit 2ea56b51eb
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1 changed files with 5 additions and 5 deletions
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10
yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/collection/CollectionUtils.java
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@ -78,7 +78,7 @@ public class CollectionUtils {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return from.stream().flatMap(func).filter(Objects::nonNull).collect(Collectors.toList());
return from.stream().filter(Objects::nonNull).flatMap(func).filter(Objects::nonNull).collect(Collectors.toList());
}
public static <T, U, R> List<R> convertListByFlatMap(Collection<T> from,
@ -87,7 +87,7 @@ public class CollectionUtils {
if (CollUtil.isEmpty(from)) {
return new ArrayList<>();
}
return from.stream().map(mapper).flatMap(func).filter(Objects::nonNull).collect(Collectors.toList());
return from.stream().map(mapper).filter(Objects::nonNull).flatMap(func).filter(Objects::nonNull).collect(Collectors.toList());
}
public static <K, V> List<V> mergeValuesFromMap(Map<K, List<V>> map) {
@ -123,7 +123,7 @@ public class CollectionUtils {
if (CollUtil.isEmpty(from)) {
return new HashSet<>();
}
return from.stream().flatMap(func).filter(Objects::nonNull).collect(Collectors.toSet());
return from.stream().filter(Objects::nonNull).flatMap(func).filter(Objects::nonNull).collect(Collectors.toSet());
}
public static <T, U, R> Set<R> convertSetByFlatMap(Collection<T> from,
@ -132,7 +132,7 @@ public class CollectionUtils {
if (CollUtil.isEmpty(from)) {
return new HashSet<>();
}
return from.stream().map(mapper).flatMap(func).filter(Objects::nonNull).collect(Collectors.toSet());
return from.stream().map(mapper).filter(Objects::nonNull).flatMap(func).filter(Objects::nonNull).collect(Collectors.toSet());
}
public static <T, K> Map<K, T> convertMap(Collection<T> from, Function<T, K> keyFunc) {
@ -315,4 +315,4 @@ public class CollectionUtils {
return list.stream().flatMap(Collection::stream).collect(Collectors.toList());
}
}
}