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;
46
47/**
48 * This class stores information about a single sending file It will only be
49 * used for outbound share.
50 */
51public class BluetoothOppSendFileInfo {
52    private static final String TAG = "BluetoothOppSendFileInfo";
53
54    private static final boolean D = Constants.DEBUG;
55
56    private static final boolean V = Constants.VERBOSE;
57
58    /** readable media file name */
59    public final String mFileName;
60
61    /** media file input stream */
62    public final FileInputStream mInputStream;
63
64    /** vCard string data */
65    public final String mData;
66
67    public final int mStatus;
68
69    public final String mMimetype;
70
71    public final long mLength;
72
73    public final String mDestAddr;
74
75    /** for media file */
76    public BluetoothOppSendFileInfo(String fileName, String type, long length,
77            FileInputStream inputStream, int status, String dest) {
78        mFileName = fileName;
79        mMimetype = type;
80        mLength = length;
81        mInputStream = inputStream;
82        mStatus = status;
83        mDestAddr = dest;
84        mData = null;
85    }
86
87    /** for vCard, or later for vCal, vNote. Not used currently */
88    public BluetoothOppSendFileInfo(String data, String type, long length, int status,
89            String dest) {
90        mFileName = null;
91        mInputStream = null;
92        mData = data;
93        mMimetype = type;
94        mLength = length;
95        mStatus = status;
96        mDestAddr = dest;
97    }
98
99    public static BluetoothOppSendFileInfo generateFileInfo(Context context, String uri,
100            String type, String dest) {
101        ContentResolver contentResolver = context.getContentResolver();
102        Uri u = Uri.parse(uri);
103        String scheme = u.getScheme();
104        String fileName = null;
105        String contentType = null;
106        long length = 0;
107        // Support all Uri with "content" scheme
108        // This will allow more 3rd party applications to share files via
109        // bluetooth
110        if (scheme.equals("content")) {
111            contentType = contentResolver.getType(u);
112            Cursor metadataCursor = contentResolver.query(u, new String[] {
113                    OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE
114            }, null, null, null);
115            if (metadataCursor != null) {
116                try {
117                    if (metadataCursor.moveToFirst()) {
118                        fileName = metadataCursor.getString(0);
119                        length = metadataCursor.getInt(1);
120                        if (D) Log.d(TAG, "fileName = " + fileName + " length = " + length);
121                    }
122                } finally {
123                    metadataCursor.close();
124                }
125            }
126        } else if (scheme.equals("file")) {
127            fileName = u.getLastPathSegment();
128            contentType = type;
129            File f = new File(u.getPath());
130            length = f.length();
131        } else {
132            // currently don't accept other scheme
133            return new BluetoothOppSendFileInfo(null, null, 0, null,
134                    BluetoothShare.STATUS_FILE_ERROR, dest);
135        }
136        FileInputStream is;
137        try {
138            is = (FileInputStream)contentResolver.openInputStream(u);
139        } catch (FileNotFoundException e) {
140            return new BluetoothOppSendFileInfo(null, null, 0, null,
141                    BluetoothShare.STATUS_FILE_ERROR, dest);
142        }
143
144        // If we can not get file length from content provider, we can try to
145        // get the length via the opened stream.
146        if (length == 0) {
147            try {
148                length = is.available();
149                if (V) Log.v(TAG, "file length is " + length);
150            } catch (IOException e) {
151                Log.e(TAG, "Read stream exception: ", e);
152                return new BluetoothOppSendFileInfo(null, null, 0, null,
153                        BluetoothShare.STATUS_FILE_ERROR, dest);
154            }
155        }
156
157        return new BluetoothOppSendFileInfo(fileName, contentType, length, is, 0, dest);
158    }
159}
160