content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * 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 com.android.server.wifi.hotspot2.anqp.eap;
  
  import com.android.internal.annotations.VisibleForTesting;
  
  import java.nio.BufferUnderflowException;
  import java.nio.ByteBuffer;
  import java.util.Arrays;
  
  /**
   * The Vendor Specific authentication parameter, IEEE802.11-2012, table 8-188.
   *
   * Format:
   * | Data |
   * variable
   */
  public class VendorSpecificAuth extends AuthParam {
      private final byte[] mData;
  
      @VisibleForTesting
      public VendorSpecificAuth(byte[] data) {
          super(AuthParam.PARAM_TYPE_VENDOR_SPECIFIC);
          mData = data;
      }
  
      /**
       * Parse a VendorSpecificAuth from the given buffer.
       *
       * @param payload The byte buffer to read from
       * @param length The length of the data
       * @return {@link VendorSpecificAuth}
       * @throws BufferUnderflowException
       */
      public static VendorSpecificAuth parse(ByteBuffer payload, int length) {
          byte[] data = new byte[length];
          payload.get(data);
          return new VendorSpecificAuth(data);
      }
  
      public byte[] getData() {
          return mData;
      }
  
      @Override
      public boolean equals(Object thatObject) {
          if (thatObject == this) {
              return true;
          }
          if (!(thatObject instanceof VendorSpecificAuth)) {
              return false;
          }
          VendorSpecificAuth that = (VendorSpecificAuth) thatObject;
          return Arrays.equals(mData, that.mData);
      }
  
      @Override
      public int hashCode() {
          return Arrays.hashCode(mData);
      }
  
      @Override
      public String toString() {
          return "VendorSpecificAuth{mData=" + Arrays.toString(mData) + "}";
      }
  }
  