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Utility增加remove方法

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Redkale
2022-11-25 14:31:04 +08:00
parent 17dcddcd80
commit a68d63d2be
1 changed files with 31 additions and 7 deletions
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38
src/main/java/org/redkale/util/Utility.java
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@@ -1239,7 +1239,9 @@ public final class Utility {
* @return 新数组
*/
public static long[] remove(final long[] array, boolean repeat, final long... items) {
if (array == null || array.length == 0 || items == null || items.length == 0) return array;
if (array == null || array.length == 0 || items == null || items.length == 0) {
return array;
}
final long[] news = new long[array.length];
long[] subs = items;
int index = 0;
@@ -1270,6 +1272,31 @@ public final class Utility {
return rs;
}
/**
* 将符合条件的元素从集合中删除
*
* @param <T> 泛型
* @param objs 原集合
* @param filter Predicate
*
* @return 新集合
*/
public static <T> Collection<T> remove(final Collection<T> objs, Predicate filter) {
if (objs == null || filter == null) {
return objs;
}
List<T> list = new ArrayList<>();
for (T t : objs) {
if (filter.test(t)) {
list.add(t);
}
}
if (!list.isEmpty()) {
objs.removeAll(list);
}
return objs;
}
/**
* 判断字符串是否包含指定的字符，包含返回true
*
@@ -1299,8 +1326,7 @@ public final class Utility {
*/
public static <T> boolean equalsElement(T[] array1, T[] array2) {
if (array1 == null && array2 == null) return true;
if (array1 == null && array2 != null) return false;
if (array1 != null && array2 == null) return false;
if (array1 == null || array2 == null) return false;
if (array1.length != array2.length) return false;
return equalsElement(ofList(array1), ofList(array2));
}
@@ -1316,8 +1342,7 @@ public final class Utility {
*/
public static <T> boolean equalsElement(Collection<T> col1, Collection<T> col2) {
if (col1 == null && col2 == null) return true;
if (col1 == null && col2 != null) return false;
if (col1 != null && col2 == null) return false;
if (col1 == null || col2 == null) return false;
if (col1.size() != col2.size()) return false;
//{1,2,2}, {1,1,2}
List<T> list = new ArrayList<>(col2);
@@ -1339,8 +1364,7 @@ public final class Utility {
*/
public static <K, V> boolean equalsElement(Map<K, V> map1, Map<K, V> map2) {
if (map1 == null && map2 == null) return true;
if (map1 == null && map2 != null) return false;
if (map1 != null && map2 == null) return false;
if (map1 == null || map2 == null) return false;
if (map1.size() != map2.size()) return false;
for (Map.Entry<K, V> en : map1.entrySet()) {
if (!Objects.equals(en.getValue(), map2.get(en.getKey()))) return false;