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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package org.jboss.netty.handler.codec.socks;
17  
18  import org.jboss.netty.buffer.ChannelBuffer;
19  
20  /**
21   * An socks auth response.
22   *
23   * @see SocksAuthRequest
24   * @see SocksAuthResponseDecoder
25   */
26  public final class SocksAuthResponse extends SocksResponse {
27      private static final SubnegotiationVersion SUBNEGOTIATION_VERSION = SubnegotiationVersion.AUTH_PASSWORD;
28      private final AuthStatus authStatus;
29  
30      public SocksAuthResponse(AuthStatus authStatus) {
31          super(SocksResponseType.AUTH);
32          if (authStatus == null) {
33              throw new NullPointerException("authStatus");
34          }
35          this.authStatus = authStatus;
36      }
37  
38      /**
39       * Returns the {@link AuthStatus} of this {@link SocksAuthResponse}
40       */
41      public AuthStatus getAuthStatus() {
42          return authStatus;
43      }
44  
45      @Override
46      public void encodeAsByteBuf(ChannelBuffer channelBuffer) {
47          channelBuffer.writeByte(SUBNEGOTIATION_VERSION.getByteValue());
48          channelBuffer.writeByte(authStatus.getByteValue());
49      }
50  }