mirror of
				https://gitee.com/hhyykk/ipms-sjy.git
				synced 2025-11-04 12:18:42 +08:00 
			
		
		
		
	【轻量级 PR】:fix: convertXxxByFlatMap, 当map后内容为null时, flatMap会出现NPE
Signed-off-by: dhb52 <dhb52@126.com>
This commit is contained in:
		@@ -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());
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
}
 | 
			
		||||
}
 | 
			
		||||
		Reference in New Issue
	
	Block a user