org.apache.pulsar.common.util.SafeCollectionUtils Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.pulsar.common.util;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
/**
* Safe collection utils.
*/
public class SafeCollectionUtils {
public static List longArrayToList(long[] array) {
return array == null || array.length == 0 ? Collections.emptyList()
: Arrays.stream(array).boxed().collect(Collectors.toList());
}
public static long[] longListToArray(List list) {
return list == null || list.size() == 0 ? new long[0] : list.stream().mapToLong(l->l).toArray();
}
}