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/*
* Copyright (c) 2008-2009, Motorola, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the Motorola, Inc. nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.android.bluetooth.opp;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.database.sqlite.SQLiteException;
import android.net.Uri;
import android.provider.OpenableColumns;
import android.util.Log;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
/**
* This class stores information about a single sending file It will only be
* used for outbound share.
*/
public class BluetoothOppSendFileInfo {
private static final String TAG = "BluetoothOppSendFileInfo";
private static final boolean D = Constants.DEBUG;
private static final boolean V = Log.isLoggable(Constants.TAG, Log.VERBOSE);
/** Reusable SendFileInfo for error status. */
static final BluetoothOppSendFileInfo SEND_FILE_INFO_ERROR = new BluetoothOppSendFileInfo(
null, null, 0, null, BluetoothShare.STATUS_FILE_ERROR);
/** readable media file name */
public final String mFileName;
/** media file input stream */
public final FileInputStream mInputStream;
/** vCard string data */
public final String mData;
public final int mStatus;
public final String mMimetype;
public final long mLength;
/** for media file */
public BluetoothOppSendFileInfo(String fileName, String type, long length,
FileInputStream inputStream, int status) {
mFileName = fileName;
mMimetype = type;
mLength = length;
mInputStream = inputStream;
mStatus = status;
mData = null;
}
/** for vCard, or later for vCal, vNote. Not used currently */
public BluetoothOppSendFileInfo(String data, String type, long length, int status) {
mFileName = null;
mInputStream = null;
mData = data;
mMimetype = type;
mLength = length;
mStatus = status;
}
public static BluetoothOppSendFileInfo generateFileInfo(Context context, Uri uri,
String type) {
ContentResolver contentResolver = context.getContentResolver();
String scheme = uri.getScheme();
String fileName = null;
String contentType;
long length = 0;
// Support all Uri with "content" scheme
// This will allow more 3rd party applications to share files via
// bluetooth
if ("content".equals(scheme)) {
contentType = contentResolver.getType(uri);
Cursor metadataCursor;
try {
metadataCursor = contentResolver.query(uri, new String[] {
OpenableColumns.DISPLAY_NAME, OpenableColumns.SIZE
}, null, null, null);
} catch (SQLiteException e) {
// some content providers don't support the DISPLAY_NAME or SIZE columns
metadataCursor = null;
} catch (SecurityException e) {
metadataCursor = null;
fileName = uri.getLastPathSegment();
Log.e(TAG, "generateFileInfo: " + e);
return new BluetoothOppSendFileInfo(fileName, contentType, length, null, 0);
}
if (metadataCursor != null) {
try {
if (metadataCursor.moveToFirst()) {
fileName = metadataCursor.getString(0);
length = metadataCursor.getLong(1);
if (D) Log.d(TAG, "fileName = " + fileName + " length = " + length);
}
} finally {
metadataCursor.close();
}
}
if (fileName == null) {
// use last segment of URI if DISPLAY_NAME query fails
fileName = uri.getLastPathSegment();
}
} else if ("file".equals(scheme)) {
fileName = uri.getLastPathSegment();
contentType = type;
File f = new File(uri.getPath());
length = f.length();
} else {
// currently don't accept other scheme
return SEND_FILE_INFO_ERROR;
}
FileInputStream is = null;
if (scheme.equals("content")) {
try {
// We've found that content providers don't always have the
// right size in _OpenableColumns.SIZE
// As a second source of getting the correct file length,
// get a file descriptor and get the stat length
AssetFileDescriptor fd = contentResolver.openAssetFileDescriptor(uri, "r");
long statLength = fd.getLength();
if (length != statLength && statLength > 0) {
Log.e(TAG, "Content provider length is wrong (" + Long.toString(length) +
"), using stat length (" + Long.toString(statLength) + ")");
length = statLength;
}
try {
// This creates an auto-closing input-stream, so
// the file descriptor will be closed whenever the InputStream
// is closed.
is = fd.createInputStream();
} catch (IOException e) {
try {
fd.close();
} catch (IOException e2) {
// Ignore
}
}
} catch (FileNotFoundException e) {
// Ignore
} catch (SecurityException e) {
Log.e(TAG, "gnrtFileInfo: openAssetFD: " + e);
Log.e(TAG, "gnrtFileInfo: Close transfer " );
return SEND_FILE_INFO_ERROR;
}
}
if (is == null) {
try {
is = (FileInputStream) contentResolver.openInputStream(uri);
} catch (FileNotFoundException e) {
return SEND_FILE_INFO_ERROR;
} catch (SecurityException e) {
Log.e(TAG, "OpenInputStrm: generateFileInfo: " + e);
Log.e(TAG, "gnrtFileInfo: Close transfer " );
return SEND_FILE_INFO_ERROR;
}
}
// If we can not get file length from content provider, we can try to
// get the length via the opened stream.
if (length == 0) {
try {
length = is.available();
if (V) Log.v(TAG, "file length is " + length);
} catch (IOException e) {
Log.e(TAG, "Read stream exception: ", e);
return SEND_FILE_INFO_ERROR;
}
}
return new BluetoothOppSendFileInfo(fileName, contentType, length, is, 0);
}
}
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