BluetoothOppSendFileInfo.java revision 9f20e7cea068dac8cb58d240969f211ed9263aa0 
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.FileInputStream;
37import java.io.FileNotFoundException;
38
39import android.content.ContentResolver;
40import android.content.Context;
41import android.database.Cursor;
42import android.net.Uri;
43import android.provider.OpenableColumns;
44
45/**
46 * This class stores information about a single sending file It will only be
47 * used for outbound share.
48 */
49public class BluetoothOppSendFileInfo {
50    /** readable media file name */
51    public final String mFileName;
52
53    /** media file input stream */
54    public final FileInputStream mInputStream;
55
56    /** vCard string data */
57    public final String mData;
58
59    public final int mStatus;
60
61    public final String mMimetype;
62
63    public final long mLength;
64
65    public final String mDestAddr;
66
67    /** for media file */
68    public BluetoothOppSendFileInfo(String fileName, String type, long length,
69            FileInputStream inputStream, int status, String dest) {
70        mFileName = fileName;
71        mMimetype = type;
72        mLength = length;
73        mInputStream = inputStream;
74        mStatus = status;
75        mDestAddr = dest;
76        mData = null;
77    }
78
79    /** for vCard, or later for vCal, vNote. Not used currently */
80    public BluetoothOppSendFileInfo(String data, String type, long length, int status,
81            String dest) {
82        mFileName = null;
83        mInputStream = null;
84        mData = data;
85        mMimetype = type;
86        mLength = length;
87        mStatus = status;
88        mDestAddr = dest;
89    }
90
91    public static BluetoothOppSendFileInfo generateFileInfo(Context context, String uri,
92            String type, String dest) {
93        //TODO consider uri is a file:// uri
94        ContentResolver contentResolver = context.getContentResolver();
95        Uri u = Uri.parse(uri);
96        String scheme = u.getScheme();
97        String authority = u.getAuthority();
98        String fileName = null;
99        String contentType = null;
100        long length = 0;
101        if (scheme.equals("content") && authority.equals("media")) {
102
103            contentType = contentResolver.getType(u);
104            Cursor metadataCursor = contentResolver.query(u, new String[] {
105                    OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE
106            }, null, null, null);
107            if (metadataCursor != null) {
108                try {
109                    if (metadataCursor.moveToFirst()) {
110                        fileName = metadataCursor.getString(0);
111                        length = metadataCursor.getInt(1);
112                    }
113                } finally {
114                    metadataCursor.close();
115                }
116            }
117        } else if (scheme.equals("file")) {
118            fileName = u.getLastPathSegment();
119            contentType = type;
120            File f = new File(u.getPath());
121            length = f.length();
122        } else {
123            // currently don't accept other scheme
124            return new BluetoothOppSendFileInfo(null, null, 0, null,
125                    BluetoothShare.STATUS_FILE_ERROR, dest);
126        }
127        FileInputStream is;
128        try {
129            is = (FileInputStream)contentResolver.openInputStream(u);
130        } catch (FileNotFoundException e) {
131            return new BluetoothOppSendFileInfo(null, null, 0, null,
132                    BluetoothShare.STATUS_FILE_ERROR, dest);
133        }
134        return new BluetoothOppSendFileInfo(fileName, contentType, length, is, 0, dest);
135    }
136}
137