2 * Copyright 2021 ZTE Corporation.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.onap.holmes.common;
19 import org.apache.commons.lang3.StringUtils;
20 import org.onap.holmes.common.utils.FileUtils;
23 import java.util.HashMap;
26 public class ConfigFileScanner {
27 public synchronized Map<String, String> scan(String path, String fileNamePattern) {
28 File dir = new File(path);
29 Map<String, String> ret = new HashMap();
30 if (!dir.isDirectory()) {
31 ret.putAll(readFile(dir));
33 for (File file : dir.listFiles(pathname -> StringUtils.isBlank(fileNamePattern) ?
34 true : pathname.getName().contains(fileNamePattern))) {
35 if (!file.isDirectory()) {
36 ret.putAll(readFile(file));
43 public synchronized Map<String, String> scan(String path) {
44 return scan(path, null);
47 private Map<String, String> readFile(File file) {
48 Map<String, String> ret = new HashMap();
49 String contents = FileUtils.readTextFile(file.getAbsolutePath());
50 if (StringUtils.isNotBlank(contents)) {
51 ret.put(file.getAbsolutePath(), contents);