1 /*============LICENSE_START=======================================================
2 * oom-truststore-merger
3 * ================================================================================
4 * Copyright (C) 2020 Nokia. All rights reserved.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
20 package org.onap.oom.truststoremerger.common;
24 public final class ExtensionResolver {
26 private static final int INDEX_NOT_FOUND = -1;
28 private ExtensionResolver() {}
30 public static String get(File file) {
31 int extStartIndex = file.getName().lastIndexOf(".");
32 if (extStartIndex == INDEX_NOT_FOUND) {
35 return file.getName().substring(extStartIndex).toLowerCase();
38 public static boolean checkIfFileExists(File file) {