1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * 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,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.wifi.hotspot2.anqp;
18
19import com.android.internal.annotations.VisibleForTesting;
20
21import java.nio.ByteBuffer;
22import java.util.Arrays;
23
24/**
25 * An object holding the raw octets of an ANQP element as provided by the wpa_supplicant.
26 */
27public class RawByteElement extends ANQPElement {
28    private final byte[] mPayload;
29
30    @VisibleForTesting
31    public RawByteElement(Constants.ANQPElementType infoID, byte[] payload) {
32        super(infoID);
33        mPayload = payload;
34    }
35
36    /**
37     * Parse a RawByteElement from the given buffer.
38     *
39     * @param payload The byte buffer to read from
40     * @return {@link HSConnectionCapabilityElement}
41     */
42    public static RawByteElement parse(Constants.ANQPElementType infoID, ByteBuffer payload) {
43        byte[] rawBytes = new byte[payload.remaining()];
44        if (payload.hasRemaining()) {
45            payload.get(rawBytes);
46        }
47        return new RawByteElement(infoID, rawBytes);
48    }
49
50    public byte[] getPayload() {
51        return mPayload;
52    }
53
54    @Override
55    public boolean equals(Object thatObject) {
56        if (this == thatObject) {
57            return true;
58        }
59        if (!(thatObject instanceof RawByteElement)) {
60            return false;
61        }
62        RawByteElement that = (RawByteElement) thatObject;
63        return getID() == that.getID() && Arrays.equals(mPayload, that.mPayload);
64    }
65
66    @Override
67    public int hashCode() {
68        return Arrays.hashCode(mPayload);
69    }
70}
71