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/*
* Copyright © 2017-2019 AT&T, Bell Canada
* Modifications Copyright © 2019 IBM.
* Modifications Copyright © 2019 Huawei.
*
* 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 org.onap.ccsdk.cds.blueprintsprocessor.rest.service
import com.fasterxml.jackson.databind.JsonNode
import org.onap.ccsdk.cds.blueprintsprocessor.core.BluePrintPropertiesService
import org.onap.ccsdk.cds.blueprintsprocessor.rest.BasicAuthRestClientProperties
import org.onap.ccsdk.cds.blueprintsprocessor.rest.PolicyManagerRestClientProperties
import org.onap.ccsdk.cds.blueprintsprocessor.rest.RestClientProperties
import org.onap.ccsdk.cds.blueprintsprocessor.rest.RestLibConstants
import org.onap.ccsdk.cds.blueprintsprocessor.rest.SSLBasicAuthRestClientProperties
import org.onap.ccsdk.cds.blueprintsprocessor.rest.SSLRestClientProperties
import org.onap.ccsdk.cds.blueprintsprocessor.rest.SSLTokenAuthRestClientProperties
import org.onap.ccsdk.cds.blueprintsprocessor.rest.TokenAuthRestClientProperties
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.springframework.stereotype.Service
@Service(RestLibConstants.SERVICE_BLUEPRINT_REST_LIB_PROPERTY)
open class BluePrintRestLibPropertyService(private var bluePrintPropertiesService: BluePrintPropertiesService) {
private var preInterceptor: PreInterceptor? = null
private var postInterceptor: PostInterceptor? = null
fun setInterceptors(preInterceptor: PreInterceptor?, postInterceptor: PostInterceptor?) {
this.preInterceptor = preInterceptor
this.postInterceptor = postInterceptor
}
fun clearInterceptors() {
this.preInterceptor = null
this.postInterceptor = null
}
open fun blueprintWebClientService(jsonNode: JsonNode): BlueprintWebClientService {
val service = preInterceptor?.getInstance(jsonNode)
?: blueprintWebClientService(restClientProperties(jsonNode))
return postInterceptor?.getInstance(jsonNode, service) ?: service
}
open fun blueprintWebClientService(selector: String): BlueprintWebClientService {
val service = preInterceptor?.getInstance(selector) ?: run {
val prefix = "blueprintsprocessor.restclient.$selector"
val restClientProperties = restClientProperties(prefix)
blueprintWebClientService(restClientProperties)
}
return postInterceptor?.getInstance(selector, service) ?: service
}
fun restClientProperties(prefix: String): RestClientProperties {
val type = bluePrintPropertiesService.propertyBeanType(
"$prefix.type", String::class.java
)
return when (type) {
RestLibConstants.TYPE_BASIC_AUTH -> {
basicAuthRestClientProperties(prefix)
}
RestLibConstants.TYPE_TOKEN_AUTH -> {
tokenRestClientProperties(prefix)
}
RestLibConstants.TYPE_SSL_BASIC_AUTH -> {
sslBasicAuthRestClientProperties(prefix)
}
RestLibConstants.TYPE_SSL_TOKEN_AUTH -> {
sslTokenAuthRestClientProperties(prefix)
}
RestLibConstants.TYPE_SSL_NO_AUTH -> {
sslNoAuthRestClientProperties(prefix)
}
RestLibConstants.TYPE_POLICY_MANAGER -> {
policyManagerRestClientProperties(prefix)
}
else -> {
throw BluePrintProcessorException(
"Rest adaptor($type) is" +
" not supported"
)
}
}
}
fun restClientProperties(jsonNode: JsonNode): RestClientProperties {
val type = jsonNode.get("type").textValue()
return when (type) {
RestLibConstants.TYPE_TOKEN_AUTH -> {
JacksonUtils.readValue(jsonNode, TokenAuthRestClientProperties::class.java)!!
}
RestLibConstants.TYPE_BASIC_AUTH -> {
JacksonUtils.readValue(jsonNode, BasicAuthRestClientProperties::class.java)!!
}
RestLibConstants.TYPE_POLICY_MANAGER -> {
JacksonUtils.readValue(jsonNode, PolicyManagerRestClientProperties::class.java)!!
}
RestLibConstants.TYPE_SSL_BASIC_AUTH -> {
JacksonUtils.readValue(jsonNode, SSLBasicAuthRestClientProperties::class.java)!!
}
RestLibConstants.TYPE_SSL_TOKEN_AUTH -> {
JacksonUtils.readValue(jsonNode, SSLTokenAuthRestClientProperties::class.java)!!
}
RestLibConstants.TYPE_SSL_NO_AUTH -> {
JacksonUtils.readValue(jsonNode, SSLRestClientProperties::class.java)!!
}
else -> {
throw BluePrintProcessorException(
"Rest adaptor($type) is not supported"
)
}
}
}
private fun blueprintWebClientService(restClientProperties: RestClientProperties):
BlueprintWebClientService {
when (restClientProperties) {
is SSLRestClientProperties -> {
return SSLRestClientService(restClientProperties)
}
is TokenAuthRestClientProperties -> {
return TokenAuthRestClientService(restClientProperties)
}
is BasicAuthRestClientProperties -> {
return BasicAuthRestClientService(restClientProperties)
}
else -> {
throw BluePrintProcessorException("couldn't get rest service for type:${restClientProperties.type} uri: ${restClientProperties.url}")
}
}
}
private fun tokenRestClientProperties(prefix: String):
TokenAuthRestClientProperties {
return bluePrintPropertiesService.propertyBeanType(
prefix, TokenAuthRestClientProperties::class.java
)
}
private fun basicAuthRestClientProperties(prefix: String):
BasicAuthRestClientProperties {
return bluePrintPropertiesService.propertyBeanType(
prefix, BasicAuthRestClientProperties::class.java
)
}
private fun sslBasicAuthRestClientProperties(prefix: String):
SSLRestClientProperties {
val sslProps: SSLBasicAuthRestClientProperties =
bluePrintPropertiesService.propertyBeanType(
prefix, SSLBasicAuthRestClientProperties::class.java
)
val basicProps: BasicAuthRestClientProperties =
bluePrintPropertiesService.propertyBeanType(
prefix, BasicAuthRestClientProperties::class.java
)
sslProps.basicAuth = basicProps
return sslProps
}
private fun sslTokenAuthRestClientProperties(prefix: String):
SSLRestClientProperties {
val sslProps: SSLTokenAuthRestClientProperties =
bluePrintPropertiesService.propertyBeanType(
prefix,
SSLTokenAuthRestClientProperties::class.java
)
val basicProps: TokenAuthRestClientProperties =
bluePrintPropertiesService.propertyBeanType(
prefix,
TokenAuthRestClientProperties::class.java
)
sslProps.tokenAuth = basicProps
return sslProps
}
private fun sslNoAuthRestClientProperties(prefix: String):
SSLRestClientProperties {
return bluePrintPropertiesService.propertyBeanType(
prefix, SSLRestClientProperties::class.java
)
}
private fun policyManagerRestClientProperties(prefix: String):
PolicyManagerRestClientProperties {
return bluePrintPropertiesService.propertyBeanType(
prefix, PolicyManagerRestClientProperties::class.java
)
}
interface PreInterceptor {
fun getInstance(jsonNode: JsonNode): BlueprintWebClientService?
fun getInstance(selector: String): BlueprintWebClientService?
}
interface PostInterceptor {
fun getInstance(jsonNode: JsonNode, service: BlueprintWebClientService): BlueprintWebClientService
fun getInstance(selector: String, service: BlueprintWebClientService): BlueprintWebClientService
}
}
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