246. (kotlin/코틀린) [유틸 파일] requestGetQueryStringHttp : OK HTTP 비동기 GET 요청 수행

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[개발 환경 설정]

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개발 툴 : AndroidStudio

개발 언어 : Kotlin

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[소스 코드]

 

        // ----------------------------------------------------------------------------------
        // TODO [SEARCH FAST] : [GET] : [QUERY STRING] : requestGetQueryStringHttp
        // ----------------------------------------------------------------------------------
        // TODO [호출 방법 소스 코드]
        /*
        try {

            // [URL 주소 선언]
            val url = "https://jsonplaceholder.typicode.com/posts"

            // [헤더 생성]
            val header: MutableMap<String, Any> = HashMap()

            // [파라미터 생성]
            val params: MutableMap<String, Any> = HashMap()
            params["userId"] = 1
            params["id"] = 1

            // [http 요청 수행]
            N_AsyncHttp.requestGetQueryStringHttp(url, header, params) // [http 요청]
                .subscribeOn(AndroidSchedulers.mainThread()) // [Observable (생성자) 로직을 IO 스레드에서 실행 : 백그라운드]
                .observeOn(Schedulers.io()) // [Observer (관찰자) 로직을 메인 스레드에서 실행]
                .subscribe(
                    { value ->
                        S_Log.ltw("================================================")
                        S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: onNext]")
                        S_Log.cnt("-----------------------------------------")
                        S_Log.cnt("[VALUE :: $value]")
                        S_Log.lbw("================================================")
                    },
                    { error ->
                        S_Log.lte("================================================")
                        S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: onError]")
                        S_Log.cnt("-----------------------------------------")
                        S_Log.cnt("[ERROR :: " + error.message.toString() + "]")
                        S_Log.lbe("================================================")
                    }
                )
                {
                }

        }
        catch (e : Exception) {
            e.printStackTrace()
        }
        // */
        // -----------------------------------------------------------------------------------------
        fun requestGetQueryStringHttp(url: String, header: Map<String, Any>, params: Map<String, Any>): Observable<String> {

            // [로직 처리 실시]
            return Observable.create { subscriber: ObservableEmitter<String> ->
                try {

                    // ------------------------------------------------------
                    // TODO [URL 변수 선언 실시]
                    var urlData = url
                    // ------------------------------------------------------


                    // ------------------------------------------------------
                    //TODO [url 에 파라미터 추가 실시]
                    if (C_Util.mapNotNull(params) === true) { // [파라미터가 있는 경우]

                        if (urlData.endsWith("?") == false) {
                            urlData = "$urlData?"
                        }

                        urlData = urlData + C_Util.mapToUrlEncodeQueryString(params)
                    }
                    // ------------------------------------------------------


                    // ------------------------------------------------------
                    //TODO [OK HTTP 객체 선언 실시]
                    val client: OkHttpClient = OkHttpClient().newBuilder()
                        .connectTimeout(10, TimeUnit.SECONDS) // [커넥션 제한 시간]
                        //.readTimeout(10, TimeUnit.SECONDS)
                        //.writeTimeout(10, TimeUnit.SECONDS)
                        .retryOnConnectionFailure(false)
                        .build()

                    val request = Request.Builder()
                    request.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8;") //TODO [헤더]
                    request.addHeader("Cache-Control", "no-cache") //TODO [헤더]

                    if (C_Util.mapNotNull(header) === true) {
                        val set = header.keys
                        val iterator = set.iterator()
                        while (iterator.hasNext()) {
                            val key = iterator.next() as String
                            request.addHeader(key, header[key].toString()) //TODO [헤더 추가]
                            S_Log.ltd("================================================")
                            S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: OK HTTP 비동기 GET [헤더] 추가]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[KEY :: $key]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[VALUE :: " + header[key].toString() + "]")
                            S_Log.lbd("================================================")
                        }
                    }

                    request.url(urlData) //TODO [urlData 추가]
                    // ------------------------------------------------------


                    // ------------------------------------------------------
                    // TODO [요청 로그 출력 실시]
                    S_Log.ltw("================================================")
                    S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: OK HTTP 비동기 GET [요청] 실시]")
                    S_Log.cnt("-----------------------------------------")
                    S_Log.cnt("[TYPE :: GET >> REQUEST]")
                    S_Log.cnt("-----------------------------------------")
                    S_Log.cnt("[URL :: $urlData]")
                    S_Log.cnt("-----------------------------------------")
                    S_Log.cnt("[HEADER :: $header]")
                    S_Log.cnt("-----------------------------------------")
                    S_Log.cnt("[PARAMS :: $params]")
                    S_Log.lbw("================================================")
                    // ------------------------------------------------------


                    // ------------------------------------------------------
                    //TODO [비동기 처리 (enqueue 사용)]
                    val finalUrlData = urlData
                    client.newCall(request.build()).enqueue(object : Callback {

                        //TODO [성공한 경우]
                        @Throws(IOException::class)
                        override fun onResponse(call: Call, response: Response) {

                            val responseHeader = response.headers.toString()
                            val responseCode = response.code.toString()
                            val responseData = response.body!!.string()

                            S_Log.ltw("================================================")
                            S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: OK HTTP 비동기 GET [응답] 확인]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[TYPE :: GET >> RESPONSE]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[CODE :: $responseCode]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[URL :: $finalUrlData]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[HEADER :: $responseHeader]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[DATA :: $responseData]")
                            S_Log.lbw("================================================")

                            // ------------------------------------------------------
                            // TODO [응답 코드 값 체크 및 리턴 데이터 반환]
                            // ------------------------------------------------------
                            try {
                                val statusCode = response.code
                                if (statusCode >= 200 && statusCode < 300) { // TODO [정상 응답]

                                    // TODO [결과 전송 실시]
                                    subscriber.onNext(responseData)
                                    subscriber.onComplete()
                                }
                                else { // TODO [에러 응답]
                                    subscriber.onError(Throwable("[ERROR] : : [requestGetQueryStringHttp] : " + C_Msg.getErrorHttpMsg(responseCode)))
                                }
                            } catch (e: Exception) {
                                e.printStackTrace()
                                subscriber.onError(Throwable("[EXCEPTION] : [1] : [requestGetQueryStringHttp] : " + e.message.toString()))
                            }

                            // ------------------------------------------------------
                        }

                        //TODO [실패한 경우]
                        override fun onFailure(call: Call, e: IOException) {

                            val responseError = e.message.toString()

                            S_Log.lte("================================================")
                            S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: OK HTTP 비동기 GET [에러] 확인]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[TYPE :: GET >> FAIL]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[URL :: $finalUrlData]")
                            S_Log.cnt("-----------------------------------------")
                            S_Log.cnt("[ERROR :: $responseError]")
                            S_Log.lbe("================================================")

                            // ------------------------------------------------------
                            // TODO [리턴 데이터 반환]
                            // ------------------------------------------------------
                            try {
                                subscriber.onError(Throwable("[FAIL] : [requestGetQueryStringHttp] : $responseError"))
                            } catch (ex: Exception) {
                                ex.printStackTrace()
                            }
                        }
                    })
                } catch (e: Exception) {
                    e.printStackTrace()
                    S_Log.lte("================================================")
                    S_Log.cnt("[" + ACTIVITY_NAME + " >> requestGetQueryStringHttp :: OK HTTP 비동기 GET [Exception] 확인]")
                    S_Log.cnt("-----------------------------------------")
                    S_Log.cnt("[TYPE :: GET >> EXCEPTION]")
                    S_Log.cnt("-----------------------------------------")
                    S_Log.cnt("[EXCEPTION :: " + e.message.toString() + "]")
                    S_Log.lbe("================================================")

                    // ------------------------------------------------------
                    // TODO [리턴 데이터 반환]
                    // ------------------------------------------------------
                    try {
                        subscriber.onError(Throwable("[EXCEPTION] : [2] : [requestGetQueryStringHttp] : " + e.message.toString()))
                    } catch (ex: Exception) {
                        ex.printStackTrace()
                    }
                }
            }
        }

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