ExpandedEAPMethod.java revision 3be1b3fc037bef7fb4448dec89aea3f2e1318853 
1package com.android.server.wifi.anqp.eap;
2
3import java.net.ProtocolException;
4import java.nio.ByteBuffer;
5
6import static com.android.server.wifi.anqp.Constants.INT_MASK;
7import static com.android.server.wifi.anqp.Constants.getInteger;
8
9/**
10 * An EAP authentication parameter, IEEE802.11-2012, table 8-188
11 */
12public class ExpandedEAPMethod implements AuthParam {
13
14    private final EAP.AuthInfoID m_authInfoID;
15    private final int m_vendorID;
16    private final long m_vendorType;
17
18    public ExpandedEAPMethod(EAP.AuthInfoID authInfoID, int length, ByteBuffer payload)
19            throws ProtocolException {
20        if (length != 7) {
21            throw new ProtocolException("Bad length: " + payload.remaining());
22        }
23
24        m_authInfoID = authInfoID;
25        m_vendorID = (int) getInteger(payload, 3);
26        m_vendorType = payload.getInt() & INT_MASK;
27    }
28
29    @Override
30    public EAP.AuthInfoID getAuthInfoID() {
31        return m_authInfoID;
32    }
33
34    @Override
35    public int hashCode() {
36        return (m_authInfoID.hashCode() * 31 + m_vendorID) * 31 + (int) m_vendorType;
37    }
38
39    @Override
40    public boolean equals(Object thatObject) {
41        if (thatObject == this) {
42            return true;
43        } else if (thatObject == null || thatObject.getClass() != ExpandedEAPMethod.class) {
44            return false;
45        } else {
46            ExpandedEAPMethod that = (ExpandedEAPMethod) thatObject;
47            return that.getVendorID() == getVendorID() && that.getVendorType() == getVendorType();
48        }
49    }
50
51    public int getVendorID() {
52        return m_vendorID;
53    }
54
55    public long getVendorType() {
56        return m_vendorType;
57    }
58
59    @Override
60    public String toString() {
61        return "ExpandedEAPMethod{" +
62                "m_authInfoID=" + m_authInfoID +
63                ", m_vendorID=" + m_vendorID +
64                ", m_vendorType=" + m_vendorType +
65                '}';
66    }
67}
68