2 * ============LICENSE_START=======================================================
3 * DCAEGEN2-SERVICES-SDK
4 * ================================================================================
5 * Copyright (C) 2020 Nokia. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dcaegen2.services.sdk.services.external.schema.manager.service;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
27 import java.io.IOException;
28 import java.nio.file.Files;
29 import java.nio.file.Paths;
32 * A FileReader is used to load a file content.
36 private static final Logger logger = LoggerFactory.getLogger(FileReader.class);
38 private final String filename;
42 * @param filePath path to file which will be read
44 FileReader(String filePath) {
45 this.filename = filePath;
49 * @return all file content
52 String fileContent = "";
54 fileContent = getFileContent();
55 } catch (IOException e) {
56 logger.error("Error while reading file. Filename: {}", filename);
62 * @return true if file exists; otherwise false
64 boolean doesFileExists() {
65 return new File(filename).exists();
68 private String getFileContent() throws IOException {
69 return new String(readBytes());
72 private byte[] readBytes() throws IOException {
73 return Files.readAllBytes(Paths.get(filename));