AttributeMap.kt
/*
* Copyright 2023 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 androidx.bluetooth
import android.bluetooth.BluetoothGattCharacteristic as FwkCharacteristic
import android.bluetooth.BluetoothGattService as FwkService
internal class AttributeMap {
private val services: MutableMap<FwkService, GattService> = mutableMapOf()
private val characteristics: MutableMap<FwkCharacteristic, GattCharacteristic> =
mutableMapOf()
fun updateWithFrameworkServices(services: List<FwkService>) {
this.services.clear()
characteristics.clear()
services.forEach { serv ->
val serviceCharacteristics = mutableListOf<GattCharacteristic>()
serv.characteristics.forEach { char ->
GattCharacteristic(char).let {
characteristics[char] = it
serviceCharacteristics.add(it)
}
}
this.services[serv] = GattService(serv, serviceCharacteristics)
}
}
fun updateWithServices(services: List<GattService>) {
this.services.clear()
characteristics.clear()
services.forEach { serv ->
this.services[serv.fwkService] = serv
serv.characteristics.forEach { char ->
characteristics[char.fwkCharacteristic] = char
}
}
}
fun getServices(): List<GattService> {
return services.values.toList()
}
fun fromFwkService(service: FwkService): GattService? {
return services[service]
}
fun fromFwkCharacteristic(characteristic: FwkCharacteristic): GattCharacteristic? {
return characteristics[characteristic]
}
}