content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.apache.camel.component.whatsapp.util;
  
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  import java.util.List;
  
  public final class RestAdapterUtils {
  
      public static final byte[] EXTRA_BYTES = "--".getBytes();
      public static final byte[] NEW_LINE_BYTES = "\r\n".getBytes();
      public static final byte[] CONTENT_DISPOSITION_BYTES = "Content-Disposition: form-data; name=".getBytes();
      public static final byte[] QUOTE_BYTES = "\"".getBytes();
      public static final byte[] FILE_NAME_HEADER_BYTES = "\"; filename=\"".getBytes();
      public static final byte[] CONTENT_TYPE_HEADER_BYTES = "\"\r\nContent-Type: ".getBytes();
  
      private RestAdapterUtils() {
      }
  
      public static ByteBuffer generateByteBuffer(byte[]... bytes) {
          int size = Arrays.stream(bytes).map(b -> b.length).reduce(0, Integer::sum);
  
          return getByteBuffer(size, bytes);
      }
  
      private static ByteBuffer getByteBuffer(int size, byte[][] bytes) {
          ByteBuffer buffer = ByteBuffer.allocate(size);
  
          for (byte[] byteArray : bytes) {
              buffer.put(byteArray);
          }
  
          return buffer;
      }
  
      public static ByteBuffer generateByteBuffer(List<byte[]> bytes) {
          int size = bytes.stream().map(b -> b.length).reduce(0, Integer::sum);
  
          ByteBuffer buffer = ByteBuffer.allocate(size);
  
          for (byte[] byteArray : bytes) {
              buffer.put(byteArray);
          }
  
          return buffer;
      }
  }
  