// // 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 com.cloud.utils; import java.util.Map; import com.google.common.base.Predicate; import com.google.common.collect.ImmutableMap; import com.google.common.collect.Maps; public class Utils { public static <K, V> Map getImmutableMap(Map<K, V> map) { Map<K, V> filteredMap = Maps.filterValues(map, new Predicate<V>() { public boolean apply(final V input) { return input != null; } }); return ImmutableMap.<K, V>builder().putAll(filteredMap).build(); } }