BluetoothOppSendFileInfo.java revision 151f41949621e082e127fe468bedd28289bc3a19 
1/*
2 * Copyright (c) 2008-2009, Motorola, Inc.
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * - Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * - Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * - Neither the name of the Motorola, Inc. nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33package com.android.bluetooth.opp;
34
35import java.io.File;
36import java.io.IOException;
37import java.io.FileInputStream;
38import java.io.FileNotFoundException;
39
40import android.util.Log;
41import android.content.ContentResolver;
42import android.content.Context;
43import android.database.Cursor;
44import android.net.Uri;
45import android.provider.OpenableColumns;
46import android.provider.ContactsContract.Contacts;
47
48/**
49 * This class stores information about a single sending file It will only be
50 * used for outbound share.
51 */
52public class BluetoothOppSendFileInfo {
53    private static final String TAG = "BluetoothOppSendFileInfo";
54
55    private static final boolean D = Constants.DEBUG;
56
57    private static final boolean V = Constants.VERBOSE;
58
59    /** readable media file name */
60    public final String mFileName;
61
62    /** media file input stream */
63    public final FileInputStream mInputStream;
64
65    /** vCard string data */
66    public final String mData;
67
68    public final int mStatus;
69
70    public final String mMimetype;
71
72    public final long mLength;
73
74    public final String mDestAddr;
75
76    /** for media file */
77    public BluetoothOppSendFileInfo(String fileName, String type, long length,
78            FileInputStream inputStream, int status, String dest) {
79        mFileName = fileName;
80        mMimetype = type;
81        mLength = length;
82        mInputStream = inputStream;
83        mStatus = status;
84        mDestAddr = dest;
85        mData = null;
86    }
87
88    /** for vCard, or later for vCal, vNote. Not used currently */
89    public BluetoothOppSendFileInfo(String data, String type, long length, int status,
90            String dest) {
91        mFileName = null;
92        mInputStream = null;
93        mData = data;
94        mMimetype = type;
95        mLength = length;
96        mStatus = status;
97        mDestAddr = dest;
98    }
99
100    public static BluetoothOppSendFileInfo generateFileInfo(Context context, String uri,
101            String type, String dest) {
102        ContentResolver contentResolver = context.getContentResolver();
103        Uri u = Uri.parse(uri);
104        String scheme = u.getScheme();
105        String fileName = null;
106        String contentType = null;
107        long length = 0;
108        // Support all Uri with "content" scheme
109        // This will allow more 3rd party applications to share files via
110        // bluetooth
111        if (scheme.equals("content")) {
112            contentType = contentResolver.getType(u);
113            Cursor metadataCursor = contentResolver.query(u, new String[] {
114                    OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE
115            }, null, null, null);
116            if (metadataCursor != null) {
117                try {
118                    if (metadataCursor.moveToFirst()) {
119                        fileName = metadataCursor.getString(0);
120                        length = metadataCursor.getInt(1);
121                        if (D) Log.d(TAG, "fileName = " + fileName + " length = " + length);
122                    }
123                } finally {
124                    metadataCursor.close();
125                }
126            }
127        } else if (scheme.equals("file")) {
128            fileName = u.getLastPathSegment();
129            contentType = type;
130            File f = new File(u.getPath());
131            length = f.length();
132        } else {
133            // currently don't accept other scheme
134            return new BluetoothOppSendFileInfo(null, null, 0, null,
135                    BluetoothShare.STATUS_FILE_ERROR, dest);
136        }
137        FileInputStream is;
138        try {
139            is = (FileInputStream)contentResolver.openInputStream(u);
140        } catch (FileNotFoundException e) {
141            return new BluetoothOppSendFileInfo(null, null, 0, null,
142                    BluetoothShare.STATUS_FILE_ERROR, dest);
143        }
144
145        // If we can not get file length from content provider, we can try to
146        // get the length via the opened stream.
147        if (length == 0) {
148            try {
149                length = is.available();
150                if (V) Log.v(TAG, "file length is " + length);
151            } catch (IOException e) {
152                Log.e(TAG, "Read stream exception: ", e);
153                return new BluetoothOppSendFileInfo(null, null, 0, null,
154                        BluetoothShare.STATUS_FILE_ERROR, dest);
155            }
156        }
157
158        return new BluetoothOppSendFileInfo(fileName, contentType, length, is, 0, dest);
159    }
160}
161