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.configuration.path;
22 import java.util.Arrays;
23 import java.util.List;
24 import java.util.Optional;
25 import org.onap.oom.truststoremerger.configuration.exception.CertificatesPathsValidationException;
26 import org.onap.oom.truststoremerger.configuration.model.EnvVariable;
28 public class DelimitedPathsSplitter {
30 private static final String DELIMITER = ":";
31 private static final int NEGATIVE_SPLIT_LIMIT = -1;
33 public List<String> getValidatedPaths(EnvVariable envVariable, Optional<String> envValue)
34 throws CertificatesPathsValidationException {
35 return envValue.filter(this::hasValue)
36 .map(this::splitToList)
37 .filter(envVariable.getValidationFunction())
38 .orElseThrow(() -> new CertificatesPathsValidationException(
39 envVariable + " environment variable does not contain valid paths"));
42 private boolean hasValue(String envValue) {
43 return !envValue.isEmpty();
46 private List<String> splitToList(String stringToSplit) {
47 return Arrays.asList(stringToSplit.split(DELIMITER, NEGATIVE_SPLIT_LIMIT));