/**
 * Copyright 2017 ZTE Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.onap.workflow.common;

import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;

import org.apache.commons.codec.binary.Base64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;



public class ToolUtil {
  private static final Logger logger = LoggerFactory.getLogger(ToolUtil.class);
  
  /**
   * 构造Basic Auth认证头信息
   * 
   * @return
   */
  public static String getHeader() {
    String auth = "kermit" + ":" +"kermit";
    byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(Charset.forName("US-ASCII")));
    String authHeader = "Basic " + new String(encodedAuth);
    return authHeader;
  }
  
  /**
   * @param ins
   */
  public static void closeInputStream(InputStream ins) {
    if (ins != null) {
      try {
        ins.close();
      } catch (IOException e) {
        logger.info("Close InputStream failed.", e);
      }
    }
  }
}