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 io.netty.handler.codec.socks;
17
18 import io.netty.buffer.ByteBuf;
19
20 import java.util.Collections;
21 import java.util.List;
22
23 /**
24 * An socks init request.
25 *
26 * @see SocksInitResponse
27 * @see SocksInitRequestDecoder
28 */
29 public final class SocksInitRequest extends SocksRequest {
30 private final List<SocksAuthScheme> authSchemes;
31
32 public SocksInitRequest(List<SocksAuthScheme> authSchemes) {
33 super(SocksRequestType.INIT);
34 if (authSchemes == null) {
35 throw new NullPointerException("authSchemes");
36 }
37 this.authSchemes = authSchemes;
38 }
39
40 /**
41 * Returns the List<{@link SocksAuthScheme}> of this {@link SocksInitRequest}
42 *
43 * @return The List<{@link SocksAuthScheme}> of this {@link SocksInitRequest}
44 */
45 public List<SocksAuthScheme> authSchemes() {
46 return Collections.unmodifiableList(authSchemes);
47 }
48
49 @Override
50 public void encodeAsByteBuf(ByteBuf byteBuf) {
51 byteBuf.writeByte(protocolVersion().byteValue());
52 byteBuf.writeByte(authSchemes.size());
53 for (SocksAuthScheme authScheme : authSchemes) {
54 byteBuf.writeByte(authScheme.byteValue());
55 }
56 }
57 }