2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 - 2018 AT&T Intellectual Property. 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.so.adapters.sdnc;
23 import org.onap.so.logger.MsoLogger;
25 import java.io.IOException;
26 import java.io.InputStream;
31 public class FileUtil {
33 private static final MsoLogger LOGGER = MsoLogger.getMsoLogger (MsoLogger.Catalog.RA, FileUtil.class);
36 * Read the specified resource file and return the contents as a String.
38 * @param fileName Name of the resource file
39 * @return the contents of the resource file as a String
40 * @throws IOException if there is a problem reading the file
42 public static String readResourceFile(String fileName) {
45 stream = getResourceAsStream(fileName);
47 bytes = new byte[stream.available()];
48 if(stream.read(bytes) > 0) {
50 return new String(bytes);
55 } catch (IOException e) {
56 LOGGER.debug("Exception:", e);
62 * Get an InputStream for the resource specified.
64 * @param resourceName Name of resource for which to get InputStream.
65 * @return an InputStream for the resource specified.
66 * @throws IOException If we can't get the InputStream for whatever reason.
68 private static InputStream getResourceAsStream(String resourceName) throws IOException {
70 FileUtil.class.getClassLoader().getResourceAsStream(resourceName);
72 throw new IOException("Can't access resource '" + resourceName + "'");