From 0c9ee826d545befe2c6e1c740bd5f74ed453b899 Mon Sep 17 00:00:00 2001 From: Robert Jaros Date: Sat, 20 Oct 2018 03:43:02 +0200 Subject: New kvision-server-spring-boot module with support for Spring Boot server-side integration. Kotlin upgrade to 1.3.0-rc-190. --- .../treksoft/kvision/remote/JoobyServiceManager.kt | 122 +++++++ .../pl/treksoft/kvision/remote/KVController.kt | 60 ++++ .../kotlin/pl/treksoft/kvision/remote/KVServer.kt | 76 ++++ .../kotlin/pl/treksoft/kvision/remote/Security.kt | 31 ++ .../pl/treksoft/kvision/remote/SpringContext.kt | 63 ++++ .../kvision/remote/SpringServiceManager.kt | 396 +++++++++++++++++++++ 6 files changed, 748 insertions(+) create mode 100644 kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/JoobyServiceManager.kt create mode 100644 kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVController.kt create mode 100644 kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVServer.kt create mode 100644 kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/Security.kt create mode 100644 kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringContext.kt create mode 100644 kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringServiceManager.kt (limited to 'kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote') diff --git a/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/JoobyServiceManager.kt b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/JoobyServiceManager.kt new file mode 100644 index 00000000..75410e07 --- /dev/null +++ b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/JoobyServiceManager.kt @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package pl.treksoft.kvision.remote + +import kotlinx.coroutines.Deferred + +/** + * Multiplatform service manager for Jooby. + * Not to be used in this module. + */ +actual open class JoobyServiceManager actual constructor(val service: T) : ServiceManager { + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + protected actual inline fun bind( + noinline function: T.(Request?) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + throw IllegalStateException("This class is for Jooby integration.") + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + protected actual inline fun bind( + noinline function: T.(PAR, Request?) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + throw IllegalStateException("This class is for Jooby integration.") + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, Request?) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + throw IllegalStateException("This class is for Jooby integration.") + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, PAR3, Request?) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + throw IllegalStateException("This class is for Jooby integration.") + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, PAR3, PAR4, Request?) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + throw IllegalStateException("This class is for Jooby integration.") + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, PAR3, PAR4, PAR5, Request?) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + throw IllegalStateException("This class is for Jooby integration.") + } + + /** + * Applies all defined routes to the given server. + * @param k a server + */ + actual fun applyRoutes(k: KVServer) { + throw IllegalStateException("This class is for Jooby integration.") + } +} diff --git a/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVController.kt b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVController.kt new file mode 100644 index 00000000..128933f2 --- /dev/null +++ b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVController.kt @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package pl.treksoft.kvision.remote + +import org.springframework.beans.factory.annotation.Autowired +import org.springframework.stereotype.Controller +import org.springframework.web.bind.annotation.RequestMapping +import org.springframework.web.bind.annotation.RequestMethod +import javax.servlet.http.HttpServletRequest +import javax.servlet.http.HttpServletResponse + +@Controller +open class KVController { + + @Autowired + lateinit var kvServer: KVServer + + @RequestMapping( + "/kv/**", + method = [RequestMethod.POST, RequestMethod.PUT, RequestMethod.DELETE, RequestMethod.OPTIONS] + ) + open fun kVMapping(req: HttpServletRequest, res: HttpServletResponse) { + val method = req.method + val routeUrl = req.requestURI + val route = kvServer.services.map { + when (method) { + "POST" -> it.postRequests[routeUrl] + "PUT" -> it.putRequests[routeUrl] + "DELETE" -> it.deleteRequests[routeUrl] + "OPTIONS" -> it.optionsRequests[routeUrl] + else -> null + } + }.find { it != null } + if (route != null) { + route.invoke(req, res) + } else { + res.status = HttpServletResponse.SC_NOT_FOUND + } + } + +} diff --git a/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVServer.kt b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVServer.kt new file mode 100644 index 00000000..730288a8 --- /dev/null +++ b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/KVServer.kt @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package pl.treksoft.kvision.remote + +import kotlinx.coroutines.Deferred +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.GlobalScope +import org.pac4j.core.context.J2EContext +import org.pac4j.core.context.session.J2ESessionStore +import org.pac4j.core.profile.CommonProfile +import org.pac4j.core.profile.ProfileManager +import org.springframework.web.context.request.RequestContextHolder +import org.springframework.web.context.request.ServletRequestAttributes +import javax.servlet.http.HttpServletRequest +import kotlinx.coroutines.async as coroutinesAsync + +/** + * A Spring boot based server. + */ +actual open class KVServer(val services: List>) + +/** + * A server request. + */ +actual typealias Request = HttpServletRequest + +/** + * A user profile. + */ +actual typealias Profile = CommonProfile + +/** + * A helper extension function for asynchronous processing. + */ +fun async(block: () -> RESP): Deferred = + GlobalScope.coroutinesAsync(Dispatchers.Unconfined) { + block() + } + +/** + * A helper extension function for asynchronous processing with user profile. + */ +fun asyncAuth(block: (Profile) -> RESP): Deferred { + val profile = try { + val requestAttributes = (RequestContextHolder.getRequestAttributes() as ServletRequestAttributes) + val req = requestAttributes.request + val resp = requestAttributes.response + ProfileManager(J2EContext(req, resp, J2ESessionStore())).get(true).get() + } catch (e: Exception) { + null + } + return profile?.let { + GlobalScope.coroutinesAsync(Dispatchers.Unconfined) { + block(it) + } + } ?: throw IllegalStateException("Profile not set!") +} diff --git a/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/Security.kt b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/Security.kt new file mode 100644 index 00000000..9d80beb0 --- /dev/null +++ b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/Security.kt @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package pl.treksoft.kvision.remote + +import org.springframework.web.servlet.config.annotation.InterceptorRegistration + +fun InterceptorRegistration.addPathPatternsFromServices(services: List>) { + val paths = services.flatMap { + it.postRequests.keys + it.putRequests.keys + it.optionsRequests.keys + it.optionsRequests.keys + } + this.addPathPatterns(paths) +} diff --git a/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringContext.kt b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringContext.kt new file mode 100644 index 00000000..6655141c --- /dev/null +++ b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringContext.kt @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package pl.treksoft.kvision.remote + +import org.springframework.beans.BeansException +import org.springframework.context.ApplicationContext +import org.springframework.context.ApplicationContextAware +import org.springframework.stereotype.Component + +@Component +class SpringContext : ApplicationContextAware { + + @Throws(BeansException::class) + override fun setApplicationContext(applicationContext: ApplicationContext) { + CONTEXT = applicationContext + } + + companion object { + + private var CONTEXT: ApplicationContext? = null + + /** + * Get a Spring bean by type. + */ + fun getBean(beanClass: Class): T { + return CONTEXT!!.getBean(beanClass) + } + + /** + * Get a Spring bean by name. + */ + fun getBean(beanName: String): Any { + return CONTEXT!!.getBean(beanName) + } + + /** + * Get a Spring bean by name and type. + */ + fun getBean(beanName: String, beanClass: Class): T { + return CONTEXT!!.getBean(beanName, beanClass) + } + } + +} diff --git a/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringServiceManager.kt b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringServiceManager.kt new file mode 100644 index 00000000..1baa856e --- /dev/null +++ b/kvision-modules/kvision-server-spring-boot/src/main/kotlin/pl/treksoft/kvision/remote/SpringServiceManager.kt @@ -0,0 +1,396 @@ +/* + * Copyright (c) 2017-present Robert Jaros + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +package pl.treksoft.kvision.remote + +import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper +import kotlinx.coroutines.Deferred +import kotlinx.coroutines.runBlocking +import org.slf4j.Logger +import org.slf4j.LoggerFactory +import java.text.SimpleDateFormat +import javax.servlet.http.HttpServletResponse +import kotlin.reflect.KClass + +/** + * Multiplatform service manager for Spring Boot. + */ +actual open class SpringServiceManager actual constructor(val serviceClass: KClass) : ServiceManager { + + companion object { + val LOG: Logger = LoggerFactory.getLogger(JoobyServiceManager::class.java.name) + } + + val postRequests: MutableMap Unit> = mutableMapOf() + val putRequests: MutableMap Unit> = mutableMapOf() + val deleteRequests: MutableMap Unit> = mutableMapOf() + val optionsRequests: MutableMap Unit> = mutableMapOf() + + val mapper = jacksonObjectMapper().apply { + dateFormat = SimpleDateFormat("YYYY-MM-DD HH:mm:ss") + } + var counter: Int = 0 + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + @Suppress("TooGenericExceptionCaught") + protected actual inline fun bind( + noinline function: T.() -> Deferred, + route: String?, method: RpcHttpMethod + ) { + val routeDef = route ?: "route${this::class.simpleName}${counter++}" + addRoute(method, "/kv/$routeDef") { req, res -> + val service = SpringContext.getBean(serviceClass.java) + val jsonRpcRequest = mapper.readValue(req.inputStream, JsonRpcRequest::class.java) + try { + val result = runBlocking { function.invoke(service).await() } + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + result = mapper.writeValueAsString(result) + ) + ) + ) + } catch (e: Exception) { + LOG.error(e.message, e) + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = e.message ?: "Error" + ) + ) + ) + } + } + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + @Suppress("TooGenericExceptionCaught") + protected actual inline fun bind( + noinline function: T.(PAR) -> Deferred, + route: String?, method: RpcHttpMethod + ) { + val routeDef = route ?: "route${this::class.simpleName}${counter++}" + addRoute(method, "/kv/$routeDef") { req, res -> + val service = SpringContext.getBean(serviceClass.java) + val jsonRpcRequest = mapper.readValue(req.inputStream, JsonRpcRequest::class.java) + if (jsonRpcRequest.params.size == 1) { + val param = getParameter(jsonRpcRequest.params[0]) + try { + val result = runBlocking { function.invoke(service, param).await() } + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + result = mapper.writeValueAsString(result) + ) + ) + ) + } catch (e: Exception) { + LOG.error(e.message, e) + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = e.message ?: "Error" + ) + ) + ) + } + } else { + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = "Invalid parameters" + ) + ) + ) + } + } + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + @Suppress("TooGenericExceptionCaught") + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2) -> Deferred, + route: String?, method: RpcHttpMethod + ) { + val routeDef = route ?: "route${this::class.simpleName}${counter++}" + addRoute(method, "/kv/$routeDef") { req, res -> + val service = SpringContext.getBean(serviceClass.java) + val jsonRpcRequest = mapper.readValue(req.inputStream, JsonRpcRequest::class.java) + if (jsonRpcRequest.params.size == 2) { + val param1 = getParameter(jsonRpcRequest.params[0]) + val param2 = getParameter(jsonRpcRequest.params[1]) + try { + val result = runBlocking { function.invoke(service, param1, param2).await() } + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + result = mapper.writeValueAsString(result) + ) + ) + ) + } catch (e: Exception) { + LOG.error(e.message, e) + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = e.message ?: "Error" + ) + ) + ) + } + } else { + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = "Invalid parameters" + ) + ) + ) + } + } + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + @Suppress("TooGenericExceptionCaught") + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, PAR3) -> Deferred, + route: String?, method: RpcHttpMethod + ) { + val routeDef = route ?: "route${this::class.simpleName}${counter++}" + addRoute(method, "/kv/$routeDef") { req, res -> + val service = SpringContext.getBean(serviceClass.java) + val jsonRpcRequest = mapper.readValue(req.inputStream, JsonRpcRequest::class.java) + @Suppress("MagicNumber") + if (jsonRpcRequest.params.size == 3) { + val param1 = getParameter(jsonRpcRequest.params[0]) + val param2 = getParameter(jsonRpcRequest.params[1]) + val param3 = getParameter(jsonRpcRequest.params[2]) + try { + val result = runBlocking { function.invoke(service, param1, param2, param3).await() } + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + result = mapper.writeValueAsString(result) + ) + ) + ) + } catch (e: Exception) { + LOG.error(e.message, e) + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = e.message ?: "Error" + ) + ) + ) + } + } else { + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = "Invalid parameters" + ) + ) + ) + } + } + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + @Suppress("TooGenericExceptionCaught") + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, PAR3, PAR4) -> Deferred, + route: String?, method: RpcHttpMethod + ) { + val routeDef = route ?: "route${this::class.simpleName}${counter++}" + addRoute(method, "/kv/$routeDef") { req, res -> + val service = SpringContext.getBean(serviceClass.java) + val jsonRpcRequest = mapper.readValue(req.inputStream, JsonRpcRequest::class.java) + @Suppress("MagicNumber") + if (jsonRpcRequest.params.size == 4) { + val param1 = getParameter(jsonRpcRequest.params[0]) + val param2 = getParameter(jsonRpcRequest.params[1]) + val param3 = getParameter(jsonRpcRequest.params[2]) + val param4 = getParameter(jsonRpcRequest.params[3]) + try { + val result = + runBlocking { function.invoke(service, param1, param2, param3, param4).await() } + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + result = mapper.writeValueAsString(result) + ) + ) + ) + } catch (e: Exception) { + LOG.error(e.message, e) + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = e.message ?: "Error" + ) + ) + ) + } + } else { + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = "Invalid parameters" + ) + ) + ) + } + } + } + + /** + * Binds a given route with a function of the receiver. + * @param function a function of the receiver + * @param route a route + * @param method a HTTP method + */ + @Suppress("TooGenericExceptionCaught") + protected actual inline fun bind( + noinline function: T.(PAR1, PAR2, PAR3, PAR4, PAR5) -> Deferred, + route: String?, + method: RpcHttpMethod + ) { + val routeDef = route ?: "route${this::class.simpleName}${counter++}" + addRoute(method, "/kv/$routeDef") { req, res -> + val service = SpringContext.getBean(serviceClass.java) + val jsonRpcRequest = mapper.readValue(req.inputStream, JsonRpcRequest::class.java) + @Suppress("MagicNumber") + if (jsonRpcRequest.params.size == 5) { + val param1 = getParameter(jsonRpcRequest.params[0]) + val param2 = getParameter(jsonRpcRequest.params[1]) + val param3 = getParameter(jsonRpcRequest.params[2]) + val param4 = getParameter(jsonRpcRequest.params[3]) + val param5 = getParameter(jsonRpcRequest.params[4]) + try { + val result = + runBlocking { + function.invoke(service, param1, param2, param3, param4, param5).await() + } + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + result = mapper.writeValueAsString(result) + ) + ) + ) + } catch (e: Exception) { + LOG.error(e.message, e) + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = e.message ?: "Error" + ) + ) + ) + } + } else { + res.writeJSON( + mapper.writeValueAsString( + JsonRpcResponse( + id = jsonRpcRequest.id, + error = "Invalid parameters" + ) + ) + ) + } + } + } + + fun addRoute( + method: RpcHttpMethod, + path: String, + handler: (Request, HttpServletResponse) -> Unit + ) { + when (method) { + RpcHttpMethod.POST -> postRequests[path] = handler + RpcHttpMethod.PUT -> putRequests[path] = handler + RpcHttpMethod.DELETE -> deleteRequests[path] = handler + RpcHttpMethod.OPTIONS -> optionsRequests[path] = handler + } + } + + @Suppress("TooGenericExceptionCaught") + protected inline fun getParameter(str: String?): T { + return str?.let { + if (T::class == String::class) { + str as T + } else { + mapper.readValue(str, T::class.java) + } + } ?: null as T + } +} + +fun HttpServletResponse.writeJSON(json: String) { + val out = this.outputStream + this.contentType = "application/json" + this.characterEncoding = "UTF-8" + out.write(json.toByteArray()) + out.flush() +} -- cgit