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-rw-r--r--ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt139
1 files changed, 136 insertions, 3 deletions
diff --git a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt
index 94a575397..1c1d510fc 100644
--- a/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt
+++ b/ms/blueprintsprocessor/modules/commons/rest-lib/src/main/kotlin/org/onap/ccsdk/cds/blueprintsprocessor/rest/service/BlueprintWebClientService.kt
@@ -1,5 +1,6 @@
/*
* Copyright © 2017-2019 AT&T, Bell Canada, Nordix Foundation
+ * Modifications Copyright © 2018-2019 IBM.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -16,6 +17,9 @@
package org.onap.ccsdk.cds.blueprintsprocessor.rest.service
+import com.fasterxml.jackson.databind.JsonNode
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
import org.apache.commons.io.IOUtils
import org.apache.http.client.methods.*
import org.apache.http.entity.StringEntity
@@ -24,6 +28,7 @@ import org.apache.http.impl.client.HttpClients
import org.apache.http.message.BasicHeader
import org.onap.ccsdk.cds.blueprintsprocessor.rest.utils.WebClientUtils
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
+import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.springframework.http.HttpMethod
import java.nio.charset.Charset
@@ -35,9 +40,9 @@ interface BlueprintWebClientService {
fun httpClient(): CloseableHttpClient {
return HttpClients.custom()
- .addInterceptorFirst(WebClientUtils.logRequest())
- .addInterceptorLast(WebClientUtils.logResponse())
- .build()
+ .addInterceptorFirst(WebClientUtils.logRequest())
+ .addInterceptorLast(WebClientUtils.logResponse())
+ .build()
}
fun exchangeResource(methodType: String, path: String, request: String): String {
@@ -105,4 +110,132 @@ interface BlueprintWebClientService {
return IOUtils.toString(it, Charset.defaultCharset())
}
}
+
+ // Non Blocking Rest Implementation
+ suspend fun httpClientNB(): CloseableHttpClient {
+ return HttpClients.custom()
+ .addInterceptorFirst(WebClientUtils.logRequest())
+ .addInterceptorLast(WebClientUtils.logResponse())
+ .build()
+ }
+
+ suspend fun getNB(path: String): String {
+ return getNB(path, null, String::class.java)
+ }
+
+ suspend fun getNB(path: String, additionalHeaders: Map<String, String>?): String {
+ return getNB(path, additionalHeaders, String::class.java)
+ }
+
+ suspend fun <T> getNB(path: String, additionalHeaders: Map<String, String>?,
+ responseType: Class<T>): T = withContext(Dispatchers.IO) {
+ val httpGet = HttpGet(host(path))
+ httpGet.setHeaders(basicHeaders(additionalHeaders))
+ httpClientNB().execute(httpGet).entity.content.use {
+ JacksonUtils.readValue(it, responseType)!!
+ }
+ }
+
+ suspend fun postNB(path: String, request: Any): String {
+ return postNB(path, request, null, String::class.java)
+ }
+
+ suspend fun postNB(path: String, request: Any, additionalHeaders: Map<String, String>?): String {
+ return postNB(path, request, additionalHeaders, String::class.java)
+ }
+
+ suspend fun <T> postNB(path: String, request: Any, additionalHeaders: Map<String, String>?,
+ responseType: Class<T>): T =
+ withContext(Dispatchers.IO) {
+ val httpPost = HttpPost(host(path))
+ httpPost.entity = StringEntity(strRequest(request))
+ httpPost.setHeaders(basicHeaders(additionalHeaders))
+ httpClientNB().execute(httpPost).entity.content.use {
+ JacksonUtils.readValue(it, responseType)!!
+ }
+ }
+
+ suspend fun putNB(path: String, request: Any): String {
+ return putNB(path, request, null, String::class.java)
+ }
+
+ suspend fun putNB(path: String, request: Any, additionalHeaders: Map<String, String>?): String {
+ return putNB(path, request, additionalHeaders, String::class.java)
+ }
+
+ suspend fun <T> putNB(path: String, request: Any, additionalHeaders: Map<String, String>?,
+ responseType: Class<T>): T = withContext(Dispatchers.IO) {
+ val httpPut = HttpPut(host(path))
+ httpPut.entity = StringEntity(strRequest(request))
+ httpPut.setHeaders(basicHeaders(additionalHeaders))
+ httpClientNB().execute(httpPut).entity.content.use {
+ JacksonUtils.readValue(it, responseType)!!
+ }
+ }
+
+ suspend fun <T> deleteNB(path: String): String {
+ return deleteNB(path, null, String::class.java)
+ }
+
+ suspend fun <T> deleteNB(path: String, additionalHeaders: Map<String, String>?): String {
+ return deleteNB(path, additionalHeaders, String::class.java)
+ }
+
+ suspend fun <T> deleteNB(path: String, additionalHeaders: Map<String, String>?, responseType: Class<T>): T =
+ withContext(Dispatchers.IO) {
+ val httpDelete = HttpDelete(host(path))
+ httpDelete.setHeaders(basicHeaders(additionalHeaders))
+ httpClient().execute(httpDelete).entity.content.use {
+ JacksonUtils.readValue(it, responseType)!!
+ }
+ }
+
+ suspend fun <T> patchNB(path: String, request: Any, additionalHeaders: Map<String, String>?,
+ responseType: Class<T>): T = withContext(Dispatchers.IO) {
+ val httpPatch = HttpPatch(host(path))
+ httpPatch.entity = StringEntity(strRequest(request))
+ httpPatch.setHeaders(basicHeaders(additionalHeaders))
+ httpClient().execute(httpPatch).entity.content.use {
+ JacksonUtils.readValue(it, responseType)!!
+ }
+ }
+
+ suspend fun exchangeNB(methodType: String, path: String, request: Any): String {
+ return exchangeNB(methodType, path, request, hashMapOf(), String::class.java)
+ }
+
+ suspend fun exchangeNB(methodType: String, path: String, request: Any, additionalHeaders: Map<String, String>?): String {
+ return exchangeNB(methodType, path, request, additionalHeaders, String::class.java)
+ }
+
+ suspend fun <T> exchangeNB(methodType: String, path: String, request: Any, additionalHeaders: Map<String, String>?,
+ responseType: Class<T>): T {
+ return when (HttpMethod.resolve(methodType)) {
+ HttpMethod.GET -> getNB(path, additionalHeaders, responseType)
+ HttpMethod.POST -> postNB(path, request, additionalHeaders, responseType)
+ HttpMethod.DELETE -> deleteNB(path, additionalHeaders, responseType)
+ HttpMethod.PUT -> putNB(path, request, additionalHeaders, responseType)
+ HttpMethod.PATCH -> patchNB(path, request, additionalHeaders, responseType)
+ else -> throw BluePrintProcessorException("Unsupported methodType($methodType)")
+ }
+ }
+
+ private fun strRequest(request: Any): String {
+ return when (request) {
+ is String -> request.toString()
+ is JsonNode -> request.toString()
+ else -> JacksonUtils.getJson(request)
+ }
+ }
+
+ private fun basicHeaders(headers: Map<String, String>?): Array<BasicHeader> {
+ val basicHeaders = mutableListOf<BasicHeader>()
+ defaultHeaders().forEach { name, value ->
+ basicHeaders.add(BasicHeader(name, value))
+ }
+ headers?.forEach { name, value ->
+ basicHeaders.add(BasicHeader(name, value))
+ }
+ return basicHeaders.toTypedArray()
+ }
} \ No newline at end of file