TransceiveResult.java revision bf34061bb4af12aa9efaab653ae413f2bce4a240 
1/*
2 * Copyright (C) 2011, 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 android.nfc;
18
19import android.os.Parcel;
20import android.os.Parcelable;
21
22/**
23 * Class used to pipe transceive result from the NFC service.
24 *
25 * @hide
26 */
27public final class TransceiveResult implements Parcelable {
28    private final boolean mTagLost;
29    private final boolean mSuccess;
30    private final byte[] mResponseData;
31
32    public TransceiveResult(final boolean success, final boolean tagIsLost,
33            final byte[] data) {
34        mSuccess = success;
35        mTagLost = tagIsLost;
36        mResponseData = data;
37    }
38
39    public boolean isSuccessful() {
40        return mSuccess;
41    }
42
43    public boolean isTagLost() {
44        return mTagLost;
45    }
46
47    public byte[] getResponseData() {
48        return mResponseData;
49    }
50
51    @Override
52    public int describeContents() {
53        return 0;
54    }
55
56    @Override
57    public void writeToParcel(Parcel dest, int flags) {
58        dest.writeInt(mSuccess ? 1 : 0);
59        dest.writeInt(mTagLost ? 1 : 0);
60        if (mSuccess) {
61            dest.writeInt(mResponseData.length);
62            dest.writeByteArray(mResponseData);
63        }
64    }
65
66    public static final Parcelable.Creator<TransceiveResult> CREATOR =
67            new Parcelable.Creator<TransceiveResult>() {
68        @Override
69        public TransceiveResult createFromParcel(Parcel in) {
70            boolean success = (in.readInt() == 1) ? true : false;
71            boolean tagLost = (in.readInt() == 1) ? true : false;
72            byte[] responseData;
73
74            if (success) {
75                int responseLength = in.readInt();
76                responseData = new byte[responseLength];
77                in.readByteArray(responseData);
78            } else {
79                responseData = null;
80            }
81            return new TransceiveResult(success, tagLost, responseData);
82        }
83
84        @Override
85        public TransceiveResult[] newArray(int size) {
86            return new TransceiveResult[size];
87        }
88    };
89
90}
91