1/*
2 * Copyright (C) 2014 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.bluetooth.mapclient;
18
19import java.io.IOException;
20import java.io.InputStream;
21import java.util.ArrayList;
22
23import javax.obex.ClientSession;
24import javax.obex.HeaderSet;
25/* Get a listing of subdirectories. */
26final class RequestGetFolderListing extends Request {
27
28    private static final String TYPE = "x-obex/folder-listing";
29
30    private FolderListing mResponse = null;
31
32    public RequestGetFolderListing(int maxListCount, int listStartOffset) {
33
34        if (maxListCount < 0 || maxListCount > 65535) {
35            throw new IllegalArgumentException("maxListCount should be [0..65535]");
36        }
37
38        if (listStartOffset < 0 || listStartOffset > 65535) {
39            throw new IllegalArgumentException("listStartOffset should be [0..65535]");
40        }
41
42        mHeaderSet.setHeader(HeaderSet.TYPE, TYPE);
43
44        ObexAppParameters oap = new ObexAppParameters();
45        // Allow GetFolderListing for maxListCount value 0 also.
46        if (maxListCount >= 0) {
47            oap.add(OAP_TAGID_MAX_LIST_COUNT, (short) maxListCount);
48        }
49
50        if (listStartOffset > 0) {
51            oap.add(OAP_TAGID_START_OFFSET, (short) listStartOffset);
52        }
53
54        oap.addToHeaderSet(mHeaderSet);
55    }
56
57    @Override
58    protected void readResponse(InputStream stream) {
59        mResponse = new FolderListing(stream);
60    }
61
62    public ArrayList<String> getList() {
63        if (mResponse == null) {
64            return null;
65        }
66
67        return mResponse.getList();
68    }
69
70    @Override
71    public void execute(ClientSession session) throws IOException {
72        executeGet(session);
73    }
74}
75