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Merge branch 'master' of ssh://android-git.corp.google.com:29418/platform/frameworks/base

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The Android Open Source Project
2009-05-20 17:34:17 -07:00
parent 1854d7fc79 f5e17310d1
commit 3df6270d45
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core/java/android/bluetooth/Database.java
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/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.bluetooth;
import android.bluetooth.RfcommSocket;
import android.util.Log;
import java.io.*;
import java.util.*;
/**
* The Android Bluetooth API is not finalized, and *will* change. Use at your
* own risk.
*
* A low-level API to the Service Discovery Protocol (SDP) Database.
*
* Allows service records to be added to the local SDP database. Once added,
* these services will be advertised to remote devices when they make SDP
* queries on this device.
*
* Currently this API is a thin wrapper to the bluez SDP Database API. See:
* http://wiki.bluez.org/wiki/Database
* http://wiki.bluez.org/wiki/HOWTO/ManagingServiceRecords
* @hide
*/
public final class Database {
private static Database mInstance;
private static final String sLogName = "android.bluetooth.Database";
/**
* Class load time initialization
*/
static {
classInitNative();
}
private native static void classInitNative();
/**
* Private to enforce singleton property
*/
private Database() {
initializeNativeDataNative();
}
private native void initializeNativeDataNative();
protected void finalize() throws Throwable {
try {
cleanupNativeDataNative();
} finally {
super.finalize();
}
}
private native void cleanupNativeDataNative();
/**
* Singelton accessor
* @return The singleton instance of Database
*/
public static synchronized Database getInstance() {
if (mInstance == null) {
mInstance = new Database();
}
return mInstance;
}
/**
* Advertise a service with an RfcommSocket.
*
* This adds the service the SDP Database with the following attributes
* set: Service Name, Protocol Descriptor List, Service Class ID List
* TODO: Construct a byte[] record directly, rather than via XML.
* @param socket The rfcomm socket to advertise (by channel).
* @param serviceName A short name for this service
* @param uuid
* Unique identifier for this service, by which clients
* can search for your service
* @return Handle to the new service record
*/
public int advertiseRfcommService(RfcommSocket socket,
String serviceName,
UUID uuid) throws IOException {
String xmlRecord =
"<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n" +
"<record>\n" +
" <attribute id=\"0x0001\">\n" + // ServiceClassIDList
" <sequence>\n" +
" <uuid value=\""
+ uuid.toString() + // UUID for this service
"\"/>\n" +
" </sequence>\n" +
" </attribute>\n" +
" <attribute id=\"0x0004\">\n" + // ProtocolDescriptorList
" <sequence>\n" +
" <sequence>\n" +
" <uuid value=\"0x0100\"/>\n" + // L2CAP
" </sequence>\n" +
" <sequence>\n" +
" <uuid value=\"0x0003\"/>\n" + // RFCOMM
" <uint8 value=\"" +
socket.getPort() + // RFCOMM port
"\" name=\"channel\"/>\n" +
" </sequence>\n" +
" </sequence>\n" +
" </attribute>\n" +
" <attribute id=\"0x0100\">\n" + // ServiceName
" <text value=\"" + serviceName + "\"/>\n" +
" </attribute>\n" +
"</record>\n";
Log.i(sLogName, xmlRecord);
return addServiceRecordFromXml(xmlRecord);
}
/**
* Add a new service record.
* @param record The byte[] record
* @return A handle to the new record
*/
public synchronized int addServiceRecord(byte[] record) throws IOException {
int handle = addServiceRecordNative(record);
Log.i(sLogName, "Added SDP record: " + Integer.toHexString(handle));
return handle;
}
private native int addServiceRecordNative(byte[] record)
throws IOException;
/**
* Add a new service record, using XML.
* @param record The record as an XML string
* @return A handle to the new record
*/
public synchronized int addServiceRecordFromXml(String record) throws IOException {
int handle = addServiceRecordFromXmlNative(record);
Log.i(sLogName, "Added SDP record: " + Integer.toHexString(handle));
return handle;
}
private native int addServiceRecordFromXmlNative(String record)
throws IOException;
/**
* Update an exisiting service record.
* @param handle Handle to exisiting record
* @param record The updated byte[] record
*/
public synchronized void updateServiceRecord(int handle, byte[] record) {
try {
updateServiceRecordNative(handle, record);
} catch (IOException e) {
Log.e(getClass().toString(), e.getMessage());
}
}
private native void updateServiceRecordNative(int handle, byte[] record)
throws IOException;
/**
* Update an exisiting record, using XML.
* @param handle Handle to exisiting record
* @param record The record as an XML string.
*/
public synchronized void updateServiceRecordFromXml(int handle, String record) {
try {
updateServiceRecordFromXmlNative(handle, record);
} catch (IOException e) {
Log.e(getClass().toString(), e.getMessage());
}
}
private native void updateServiceRecordFromXmlNative(int handle, String record)
throws IOException;
/**
* Remove a service record.
* It is only possible to remove service records that were added by the
* current connection.
* @param handle Handle to exisiting record to be removed
*/
public synchronized void removeServiceRecord(int handle) {
try {
removeServiceRecordNative(handle);
} catch (IOException e) {
Log.e(getClass().toString(), e.getMessage());
}
}
private native void removeServiceRecordNative(int handle) throws IOException;
}