Port to java 17

Update to java 17 / springboot 3 to align with OpenDaylight Argon.
Copied and ported CADI library from AAF

Issue-ID: CCSDK-3917
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: Idecb0cf43c48ccbbc0c61bf4278b87a37f92a56e

10 files changed, 47 insertions, 40 deletions

diff --git a/ms/neng/pom.xml b/ms/neng/pom.xml
index 7b3d3f02..36bb45c2 100644
--- a/ms/neng/pom.xml
+++ b/ms/neng/pom.xml
@@ -43,14 +43,14 @@
         <swagger.directory>${basedir}/target/classes/META-INF/resources/swagger</swagger.directory>
         <icd.file>service.json</icd.file>
         <icd.package>org.onap.ccsdk.apps.ms.neng.service.rs</icd.package>
-        <java.version>17</java.version>
+        <java.version>11</java.version>
         <docker.registry>nexus3.onap.org:10001</docker.registry>
         <build.number>local</build.number>
         <kube.namespace>TBD</kube.namespace>
         <service.account>TBD</service.account>
         <namespace>org.onap.ccsdk.apps.ms.neng</namespace>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <sdk.java.rest>6.2.0.11</sdk.java.rest>
         <serviceArtifactName>ms-networkelementnamegen</serviceArtifactName>
@@ -106,8 +106,8 @@
             <scope>compile</scope>
         </dependency>
         <dependency>
-            <groupId>org.apache.httpcomponents</groupId>
-            <artifactId>httpclient</artifactId>
+            <groupId>org.apache.httpcomponents.client5</groupId>
+            <artifactId>httpclient5</artifactId>
         </dependency>
         <dependency>
             <groupId>javax.ws.rs</groupId>
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/WebConfiguration.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/WebConfiguration.java
index ca918eb9..c766b167 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/WebConfiguration.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/WebConfiguration.java
@@ -26,7 +26,7 @@ import org.springframework.boot.web.client.RestTemplateBuilder;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 /**
  * Configuration for the API part of the micro-service.
@@ -37,8 +37,8 @@ public class WebConfiguration {
      * Creates the bean for configuring swagger.
      */
     @Bean
-    public WebMvcConfigurerAdapter forwardToIndex() {
-        return new WebMvcConfigurerAdapter() {
+    public WebMvcConfigurer forwardToIndex() {
+        return new WebMvcConfigurer() {
             @Override
             public void addViewControllers(ViewControllerRegistry registry) {
                 registry.addViewController("/swagger").setViewName("redirect:/swagger/index.html");
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/service/SpringServiceImpl.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/service/SpringServiceImpl.java
index 3772fd71..14ed9bea 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/service/SpringServiceImpl.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/core/service/SpringServiceImpl.java
@@ -30,7 +30,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.logging.Logger;
 import java.util.regex.Pattern;
-import javax.transaction.Transactional;
+import jakarta.transaction.Transactional;
 import org.onap.ccsdk.apps.ms.neng.core.exceptions.NengException;
 import org.onap.ccsdk.apps.ms.neng.core.gen.NameGenerator;
 import org.onap.ccsdk.apps.ms.neng.core.persistence.NamePersister;
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ExternalInterface.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ExternalInterface.java
index 7a729af7..40343a35 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ExternalInterface.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ExternalInterface.java
@@ -22,10 +22,10 @@ package org.onap.ccsdk.apps.ms.neng.persistence.entity;
 
 import java.io.Serializable;
 import java.sql.Timestamp;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 
 /**
  * Entity representing the parameters and configuration of an external system/sub-system/application interface
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/GeneratedName.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/GeneratedName.java
index b5a7463e..5831f424 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/GeneratedName.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/GeneratedName.java
@@ -22,12 +22,12 @@ package org.onap.ccsdk.apps.ms.neng.persistence.entity;
 
 import java.io.Serializable;
 import java.sql.Timestamp;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.Table;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 
 /**
  * Represents a generated name.
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/IdentifierMap.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/IdentifierMap.java
index de8bef18..113af252 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/IdentifierMap.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/IdentifierMap.java
@@ -22,10 +22,10 @@ package org.onap.ccsdk.apps.ms.neng.persistence.entity;
 
 import java.io.Serializable;
 import java.sql.Timestamp;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 
 /**
  * Maps identifiers (such as function names) in the policy to internal names used by this
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/PolicyDetails.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/PolicyDetails.java
index 01410739..1e5df401 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/PolicyDetails.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/PolicyDetails.java
@@ -22,12 +22,12 @@ package org.onap.ccsdk.apps.ms.neng.persistence.entity;
 
 import java.io.Serializable;
 import java.sql.Timestamp;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.GenerationType;
-import javax.persistence.Id;
-import javax.persistence.Table;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 
 /**
  * Represents an entity representing policies stored in this micro-service (temporarily).
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ServiceParameter.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ServiceParameter.java
index 92cfa4ff..c90d867b 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ServiceParameter.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/persistence/entity/ServiceParameter.java
@@ -22,10 +22,10 @@ package org.onap.ccsdk.apps.ms.neng.persistence.entity;
 
 import java.io.Serializable;
 import java.sql.Timestamp;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
 
 /**
  * General parameters controlling this micro-service. 
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/AaiServiceImpl.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/AaiServiceImpl.java
index 41bfae47..2880f302 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/AaiServiceImpl.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/AaiServiceImpl.java
@@ -101,7 +101,7 @@ public class AaiServiceImpl {
                 throw new NengException("Error while validating name with A&AI");
             }
         } catch (HttpClientErrorException e) {
-            log.warning(e.getStatusCode().name() + " -- " + e.getResponseBodyAsString());
+            log.warning(e.getStatusCode() + " -- " + e.getResponseBodyAsString());
             if (HttpStatus.NOT_FOUND.equals(e.getStatusCode())) {
                 return buildResponse(false);
             }
diff --git a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/PolicyFinderServiceImpl.java b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/PolicyFinderServiceImpl.java
index 6ae3c204..d855eb4d 100644
--- a/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/PolicyFinderServiceImpl.java
+++ b/ms/neng/src/main/java/org/onap/ccsdk/apps/ms/neng/service/extinf/impl/PolicyFinderServiceImpl.java
@@ -35,10 +35,13 @@ import java.util.logging.Logger;
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.SSLContext;
 import javax.net.ssl.SSLSession;
-import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
-import org.apache.http.conn.ssl.TrustStrategy;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClients;
+
+import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
+import org.apache.hc.client5.http.impl.classic.HttpClients;
+import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
+import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;
+import org.apache.hc.client5.http.ssl.SSLConnectionSocketFactory;
+import org.apache.hc.core5.ssl.TrustStrategy;
 import org.onap.ccsdk.apps.ms.neng.core.exceptions.NengException;
 import org.onap.ccsdk.apps.ms.neng.core.policy.PolicyFinder;
 import org.onap.ccsdk.apps.ms.neng.core.resource.model.GetConfigRequest;
@@ -231,13 +234,17 @@ public class PolicyFinderServiceImpl implements PolicyFinder {
         if (restTemplate != null) {
             return restTemplate;
         }
+ 
         TrustStrategy acceptingTrustStrategy = (X509Certificate[] chain, String authType) -> true;
-        SSLContext sslContext = org.apache.http.ssl.SSLContexts.custom()
+        SSLContext sslContext = org.apache.hc.core5.ssl.SSLContexts.custom()
                         .loadTrustMaterial(null, acceptingTrustStrategy).build();
         HostnameVerifier verifier = new AcceptIpAddressHostNameVerifier(disableHostVerification);
         SSLConnectionSocketFactory csf = new SSLConnectionSocketFactory(sslContext, verifier);
-        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(csf).build();
+
+        PoolingHttpClientConnectionManager connectionManager = PoolingHttpClientConnectionManagerBuilder.create().setSSLSocketFactory(csf).build();
+        CloseableHttpClient httpClient = HttpClients.custom().setConnectionManager(connectionManager).build();
         HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
+
         requestFactory.setHttpClient(httpClient);
         restTemplate = new RestTemplate(requestFactory);
         restTemplate.getInterceptors().add(getAuthInt());