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@yigit @danysantiago
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/*
* Copyright (C) 2017 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 com.android.example.github.util
import androidx.lifecycle.LiveData
import com.android.example.github.api.ApiResponse
import retrofit2.Call
import retrofit2.CallAdapter
import retrofit2.Callback
import retrofit2.Response
import java.lang.reflect.Type
import java.util.concurrent.atomic.AtomicBoolean
/**
* A Retrofit adapter that converts the Call into a LiveData of ApiResponse.
* @param <R>
</R> */
class LiveDataCallAdapter<R>(private val responseType: Type) :
CallAdapter<R, LiveData<ApiResponse<R>>> {
override fun responseType() = responseType
override fun adapt(call: Call<R>): LiveData<ApiResponse<R>> {
return object : LiveData<ApiResponse<R>>() {
private var started = AtomicBoolean(false)
override fun onActive() {
super.onActive()
if (started.compareAndSet(false, true)) {
call.enqueue(object : Callback<R> {
override fun onResponse(call: Call<R>, response: Response<R>) {
postValue(ApiResponse.create(response))
}
override fun onFailure(call: Call<R>, throwable: Throwable) {
postValue(ApiResponse.create(throwable))
}
})
}
}
}
}
}
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