1package com.android.anqp.eap;
2
3import java.net.ProtocolException;
4import java.nio.ByteBuffer;
5
6import static com.android.anqp.Constants.BYTE_MASK;
7
8/**
9 * An EAP authentication parameter, IEEE802.11-2012, table 8-188
10 */
11public class InnerAuthEAP implements AuthParam {
12
13    private final EAP.EAPMethodID mEapMethodID;
14
15    public InnerAuthEAP(int length, ByteBuffer payload) throws ProtocolException {
16        if (length != 1) {
17            throw new ProtocolException("Bad length: " + length);
18        }
19        int typeID = payload.get() & BYTE_MASK;
20        mEapMethodID = EAP.mapEAPMethod(typeID);
21    }
22
23    public InnerAuthEAP(EAP.EAPMethodID eapMethodID) {
24        mEapMethodID = eapMethodID;
25    }
26
27    @Override
28    public EAP.AuthInfoID getAuthInfoID() {
29        return EAP.AuthInfoID.InnerAuthEAPMethodType;
30    }
31
32    public EAP.EAPMethodID getEAPMethodID() {
33        return mEapMethodID;
34    }
35
36    @Override
37    public int hashCode() {
38        return mEapMethodID != null ? mEapMethodID.hashCode() : 0;
39    }
40
41    @Override
42    public boolean equals(Object thatObject) {
43        if (thatObject == this) {
44            return true;
45        } else if (thatObject == null || thatObject.getClass() != InnerAuthEAP.class) {
46            return false;
47        } else {
48            return ((InnerAuthEAP) thatObject).getEAPMethodID() == getEAPMethodID();
49        }
50    }
51
52    @Override
53    public String toString() {
54        return "Auth method InnerAuthEAP, inner = " + mEapMethodID + '\n';
55    }
56}
57