| /* |
| * 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.drill.exec.rpc.security; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Iterators; |
| import com.google.common.collect.Sets; |
| |
| import javax.annotation.Nullable; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class AuthStringUtil { |
| // private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(AuthStringUtil.class); |
| |
| // ignores case |
| public static boolean listContains(final List<String> list, final String toCompare) { |
| for (final String string : list) { |
| if (string.equalsIgnoreCase(toCompare)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // converts list if strings to set of uppercase strings |
| public static Set<String> asSet(final List<String> list) { |
| if (list == null) { |
| return Sets.newHashSet(); |
| } |
| return Sets.newHashSet(Iterators.transform(list.iterator(), |
| new Function<String, String>() { |
| @Nullable |
| @Override |
| public String apply(@Nullable String input) { |
| return input == null ? null : input.toUpperCase(); |
| } |
| })); |
| } |
| |
| // prevent instantiation |
| private AuthStringUtil() { |
| } |
| } |