Net/kalle/src/main/java/com/yanzhenjie/kalle/simple/Converter.kt

/*
 * Copyright (C) 2018 Drake, Inc.
 *
 * 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.yanzhenjie.kalle.simple

import com.yanzhenjie.kalle.Request
import com.yanzhenjie.kalle.Response
import java.lang.reflect.Type

@Suppress("UNCHECKED_CAST")
interface Converter {

    @Throws(Exception::class)
    fun <S> convert(succeed: Type, request: Request, response: Response, cache: Boolean): S?

    companion object {

        @JvmField
        val DEFAULT: Converter = object : Converter {

            override fun <S> convert(succeed: Type,
                                     request: Request,
                                     response: Response,
                                     cache: Boolean): S? {
                if (succeed === String::class.java) {
                    val string = response.body().string()
                    response.logBody = string
                    return string as S
                }
                return null
            }
        }
    }
}