2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Modifications Copyright (c) 2019 Samsung
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
23 package org.onap.so.adapters.sdnc;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
28 import java.io.IOException;
29 import java.io.InputStream;
34 public class FileUtil {
36 private static final Logger logger = LoggerFactory.getLogger(FileUtil.class);
39 * Read the specified resource file and return the contents as a String.
41 * @param fileName Name of the resource file
42 * @return the contents of the resource file as a String
43 * @throws IOException if there is a problem reading the file
45 public static String readResourceFile(String fileName) {
48 stream = getResourceAsStream(fileName);
50 bytes = new byte[stream.available()];
51 if(stream.read(bytes) > 0) {
53 return new String(bytes);
58 } catch (IOException e) {
59 logger.debug("Exception:", e);
65 * Get an InputStream for the resource specified.
67 * @param resourceName Name of resource for which to get InputStream.
68 * @return an InputStream for the resource specified.
69 * @throws IOException If we can't get the InputStream for whatever reason.
71 private static InputStream getResourceAsStream(String resourceName) throws IOException {
73 FileUtil.class.getClassLoader().getResourceAsStream(resourceName);
75 throw new IOException("Can't access resource '" + resourceName + "'");