2 * Copyright (C) 2017 ZTE, Inc. and others. All rights reserved. (ZTE)
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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16 package org.onap.workflow.common;
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18 import java.io.IOException;
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19 import java.io.InputStream;
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20 import java.nio.charset.Charset;
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22 import org.apache.commons.codec.binary.Base64;
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23 import org.slf4j.Logger;
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24 import org.slf4j.LoggerFactory;
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28 public class ToolUtil {
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29 private static final Logger logger = LoggerFactory.getLogger(ToolUtil.class);
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36 public static String getHeader() {
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37 String auth = "kermit" + ":" +"kermit";
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38 byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(Charset.forName("US-ASCII")));
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39 String authHeader = "Basic " + new String(encodedAuth);
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43 public static boolean isEmptyString(String val) {
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44 return ((val == null || "".equals(val)) ? true : false);
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47 public static boolean isTrimedEmptyString(String val) {
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48 return ((val == null || "".equals(val.trim())) ? true : false);
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51 public static boolean isTrimedEmptyArray(String[] val) {
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52 return ((val == null || val.length == 0) ? true : false);
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58 public static void closeInputStream(InputStream ins) {
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62 } catch (IOException e) {
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63 logger.info("Close InputStream failed.", e);
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