2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.utils;
23 import com.google.common.collect.Lists;
24 import java.util.Collection;
25 import java.util.regex.Pattern;
26 import lombok.AccessLevel;
27 import lombok.NoArgsConstructor;
28 import lombok.extern.slf4j.Slf4j;
29 import org.onap.cps.spi.exceptions.DataValidationException;
32 @NoArgsConstructor(access = AccessLevel.PRIVATE)
33 public final class CpsValidator {
35 private static final char[] UNSUPPORTED_NAME_CHARACTERS = "!\" #$%&'()*+,./\\:;<=>?@[]^`{|}~".toCharArray();
36 private static final Pattern TOPIC_NAME_PATTERN = Pattern.compile("^[a-zA-Z0-9]([._-](?![._-])|"
37 + "[a-zA-Z0-9]){0,120}[a-zA-Z0-9]$");
40 * Validate characters in names within cps.
41 * @param names names of data to be validated
43 public static void validateNameCharacters(final String... names) {
44 for (final String name : names) {
45 final Collection<Character> charactersOfName = Lists.charactersOf(name);
46 for (final char unsupportedCharacter : UNSUPPORTED_NAME_CHARACTERS) {
47 if (charactersOfName.contains(unsupportedCharacter)) {
48 throw new DataValidationException("Name or ID Validation Error.",
49 name + " invalid token encountered at position " + (name.indexOf(unsupportedCharacter) + 1));
56 * Validate kafka topic name pattern.
57 * @param topicName name of the topic to be validated
59 public static boolean validateTopicName(final String topicName) {
60 return topicName != null && TOPIC_NAME_PATTERN.matcher(topicName).matches();