Http put added

Change-Id: Id21b799a35b531c30f0c1b5df5c6daac6fd56e92
Issue-ID: DCAEGEN2-407
Signed-off-by: pwielebs <piotr.wielebski@nokia.com>

8 files changed, 150 insertions, 52 deletions

diff --git a/prh-aai-client/src/main/java/services/config/AAIHttpClientConfiguration.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/config/AAIHttpClientConfiguration.java
index d5a9281c..9f93f896 100644
--- a/prh-aai-client/src/main/java/services/config/AAIHttpClientConfiguration.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/config/AAIHttpClientConfiguration.java
@@ -17,14 +17,15 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+package org.onap.dcaegen2.services.config;
 
-package services.config;
 
-
-import java.io.Serializable;
 import org.immutables.value.Value;
 import org.springframework.stereotype.Component;
 
+import java.io.Serializable;
+
+
 @Component
 @Value.Immutable(prehash = true)
 @Value.Style(stagedBuilder = true)
diff --git a/prh-aai-client/src/main/java/services/service/AAIExtendedHttpClient.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIExtendedHttpClient.java
index 41cf87e5..24149e6d 100644
--- a/prh-aai-client/src/main/java/services/service/AAIExtendedHttpClient.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIExtendedHttpClient.java
@@ -17,11 +17,14 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+package org.onap.dcaegen2.services.service;
 
-package services.service;
+import org.onap.dcaegen2.services.utils.HttpRequestDetails;
 
-import java.util.Map;
+import java.util.Optional;
 
+
+@FunctionalInterface
 public interface AAIExtendedHttpClient {
-    String getExtendedDetails(String aaiAPIPath, Map<String, String> queryParams, Map<String, String> headers);
+    Optional<String> getHttpResponse(HttpRequestDetails httpRequestDetails);
 }
diff --git a/prh-aai-client/src/main/java/services/service/AAIExtendedHttpClientImpl.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIExtendedHttpClientImpl.java
index 7a5a9f8b..133a537e 100644
--- a/prh-aai-client/src/main/java/services/service/AAIExtendedHttpClientImpl.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIExtendedHttpClientImpl.java
@@ -17,30 +17,37 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-package services.service;
+package org.onap.dcaegen2.services.service;
 
-import java.util.Optional;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.http.HttpEntity;
 import org.apache.http.client.ResponseHandler;
 import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.client.methods.HttpRequestBase;
 import org.apache.http.client.utils.URIBuilder;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.util.EntityUtils;
+import org.onap.dcaegen2.services.config.AAIHttpClientConfiguration;
+import org.onap.dcaegen2.services.utils.HttpRequestDetails;
+import org.onap.dcaegen2.services.utils.HttpUtils;
+import org.onap.dcaegen2.services.utils.RequestVerbs;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 
-import services.config.AAIHttpClientConfiguration;
-import services.utils.HttpUtils;
-
 import javax.annotation.Nonnull;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.Iterator;
 import java.util.Map;
+import java.util.Optional;
 
 public class AAIExtendedHttpClientImpl implements AAIExtendedHttpClient {
 
+    Logger logger = LoggerFactory.getLogger(AAIExtendedHttpClientImpl.class);
+
     private final CloseableHttpClient closeableHttpClient;
     private final String aaiHost;
     private final String aaiProtocol;
@@ -56,53 +63,52 @@ public class AAIExtendedHttpClientImpl implements AAIExtendedHttpClient {
     }
 
     @Override
-    public String getExtendedDetails(final String aaiAPIPath, final Map<String, String> queryParams,
-                                       final Map<String, String> headers) {
-        final URI extendedURI =
-                createAAIExtendedURI(aaiProtocol, aaiHost, aaiHostPortNumber, aaiAPIPath, queryParams);
+    public Optional<String> getHttpResponse(HttpRequestDetails httpRequestDetails) {
 
-        if (extendedURI == null) {
-            return null;
-        }
+        Optional<String> extendedDetails = Optional.empty();
 
-        final HttpGet getRequest = new HttpGet(extendedURI);
+        final URI extendedURI = createAAIExtendedURI(httpRequestDetails.aaiAPIPath(),
+                httpRequestDetails.queryParameters());
+        final HttpRequestBase request = createHttpRequest(extendedURI, httpRequestDetails);
 
-        for (Map.Entry<String, String> headersEntry : headers.entrySet()) {
-            getRequest.addHeader(headersEntry.getKey(), headersEntry.getValue());
+        if (request == null) {
+            return Optional.empty();
         }
 
-        Optional<String> extendedDetails = Optional.empty();
+        for (Map.Entry<String, String> headersEntry : httpRequestDetails.headers().entrySet()) {
+            request.addHeader(headersEntry.getKey(), headersEntry.getValue());
+        }
 
         try {
-            extendedDetails = closeableHttpClient.execute(getRequest, aaiResponseHandler());
-        } catch (IOException ex) {
-            //ToDo loging
+            extendedDetails = closeableHttpClient.execute(request, aaiResponseHandler());
+        } catch (IOException e) {
+            logger.error("Exception while executing HTTP request: {}", e);
         }
 
-        // return response
         if (extendedDetails.isPresent()) {
-            return extendedDetails.get();
+            return extendedDetails;
         } else {
-            return null;
+            return Optional.empty();
         }
     }
 
-    private URI createAAIExtendedURI(final String protocol, final String hostName,  final Integer portNumber,
-                                     final String path, Map<String, String> queryParams) {
-        final URIBuilder uriBuilder = new URIBuilder().setScheme(protocol).setHost(hostName).setPort(portNumber)
-                .setPath(path);
+    private URI createAAIExtendedURI(final String path, Map<String, String> queryParams) {
+        URI extendedURI = null;
 
+        final URIBuilder uriBuilder = new URIBuilder().setScheme(this.aaiProtocol).setHost(this.aaiHost)
+                .setPort(this.aaiHostPortNumber)
+                .setPath(path);
         final String customQuery = createCustomQuery(queryParams);
+
         if (StringUtils.isNoneBlank(customQuery)) {
             uriBuilder.setCustomQuery(customQuery);
         }
 
-        URI extendedURI = null;
-
         try {
+            logger.info("Building extended URI");
             extendedURI = uriBuilder.build();
         } catch (URISyntaxException e) {
-            // ToDo loging
+            logger.error("Exception while building extended URI: {}", e);
         }
 
         return extendedURI;
@@ -111,15 +117,15 @@ public class AAIExtendedHttpClientImpl implements AAIExtendedHttpClient {
     private String createCustomQuery(@Nonnull final Map<String, String> queryParams) {
         final StringBuilder queryStringBuilder = new StringBuilder("");
         final Iterator<Map.Entry<String, String>> queryParamIterator = queryParams.entrySet().iterator();
+
         while (queryParamIterator.hasNext()) {
             final Map.Entry<String, String> queryParamsEntry = queryParamIterator.next();
-            queryStringBuilder.append(queryParamsEntry.getKey());
-            queryStringBuilder.append("=");
-            queryStringBuilder.append(queryParamsEntry.getValue());
+            queryStringBuilder.append(queryParamsEntry.getKey()).append("=").append(queryParamsEntry.getValue());
             if (queryParamIterator.hasNext()) {
                 queryStringBuilder.append("&");
             }
         }
+
         return queryStringBuilder.toString();
     }
 
@@ -128,15 +134,29 @@ public class AAIExtendedHttpClientImpl implements AAIExtendedHttpClient {
             final int responseCode = httpResponse.getStatusLine().getStatusCode();
             final HttpEntity responseEntity = httpResponse.getEntity();
 
-            if (HttpUtils.isSuccessfulResponseCode(responseCode) && null != responseEntity) {
+            if (HttpUtils.isSuccessfulResponseCode(responseCode) && responseEntity != null) {
+                logger.info("HTTP response successful.");
                 final String aaiResponse = EntityUtils.toString(responseEntity);
                 return Optional.of(aaiResponse);
             } else {
                 String aaiResponse = responseEntity != null ? EntityUtils.toString(responseEntity) : "";
-                //ToDo loging
+                logger.error("HTTP response not successful : {}", aaiResponse);
                 return Optional.empty();
             }
         };
     }
 
+    private HttpRequestBase createHttpRequest(URI extendedURI, HttpRequestDetails httpRequestDetails) {
+        if (isExtendedURINotNull(extendedURI) && (httpRequestDetails.requestVerb().equals(RequestVerbs.GET))) {
+            return new HttpGet(extendedURI);
+        } else if (isExtendedURINotNull(extendedURI) && (httpRequestDetails.requestVerb().equals(RequestVerbs.PUT))) {
+            return new HttpPut(extendedURI);
+        } else {
+            return null;
+        }
+    }
+
+    private Boolean isExtendedURINotNull(URI extendedURI) {
+        return extendedURI != null ? true : false;
+    }
 }
diff --git a/prh-aai-client/src/main/java/services/service/AAIHttpClient.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIHttpClient.java
index c1054d7b..c60027c2 100644
--- a/prh-aai-client/src/main/java/services/service/AAIHttpClient.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIHttpClient.java
@@ -18,10 +18,11 @@
  * ============LICENSE_END=========================================================
  */
 
-package services.service;
+package org.onap.dcaegen2.services.service;
 
 import org.apache.http.impl.client.CloseableHttpClient;
 
+@FunctionalInterface
 public interface AAIHttpClient {
     CloseableHttpClient getAAIHttpClient();
 }
diff --git a/prh-aai-client/src/main/java/services/service/AAIHttpClientImpl.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIHttpClientImpl.java
index 39c91ddc..90b551db 100644
--- a/prh-aai-client/src/main/java/services/service/AAIHttpClientImpl.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/service/AAIHttpClientImpl.java
@@ -18,7 +18,7 @@
  * ============LICENSE_END=========================================================
  */
 
-package services.service;
+package org.onap.dcaegen2.services.service;
 
 import org.apache.http.auth.AuthScope;
 import org.apache.http.auth.Credentials;
@@ -31,11 +31,10 @@ import org.apache.http.impl.client.HttpClientBuilder;
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.ssl.SSLContextBuilder;
 import org.apache.http.ssl.TrustStrategy;
+import org.onap.dcaegen2.services.config.AAIHttpClientConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import services.config.AAIHttpClientConfiguration;
-
 
 import java.security.KeyManagementException;
 import java.security.KeyStoreException;
@@ -62,12 +61,13 @@ public class AAIHttpClientImpl implements AAIHttpClient {
 
         if (aaiIgnoreSSLCertificateErrors) {
             try {
-                SSLContextBuilder sslContextBuilder = new SSLContextBuilder();
-                sslContextBuilder.loadTrustMaterial(null, acceptingTrustStrategy);
-                httpClientBuilder.setSSLContext(sslContextBuilder.build());
+                logger.info("Setting SSL Context for AAI HTTP Client");
+                httpClientBuilder.setSSLContext(new SSLContextBuilder()
+                        .loadTrustMaterial(null, acceptingTrustStrategy)
+                        .build());
 
             } catch (NoSuchAlgorithmException | KeyStoreException |  KeyManagementException e )  {
-                logger.error("Exception while setting SSL Context for AAI HTTP Client.");
+                logger.error("Exception while setting SSL Context for AAI HTTP Client: {}", e);
             }
 
             httpClientBuilder.setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE);
diff --git a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/HttpRequestDetails.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/HttpRequestDetails.java
new file mode 100644
index 00000000..896e3068
--- /dev/null
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/HttpRequestDetails.java
@@ -0,0 +1,45 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dcaegen2.services.utils;
+
+
+import org.immutables.value.Value;
+
+import java.io.Serializable;
+import java.util.Map;
+
+@Value.Immutable(prehash = true)
+@Value.Style(stagedBuilder = true)
+public abstract class HttpRequestDetails implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Value.Parameter
+    public abstract String aaiAPIPath();
+
+    @Value.Parameter
+    public abstract Map<String,String> queryParameters();
+
+    @Value.Parameter
+    public abstract Map<String,String> headers();
+
+    @Value.Parameter
+    public abstract RequestVerbs requestVerb();
+}
diff --git a/prh-aai-client/src/main/java/services/utils/HttpUtils.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/HttpUtils.java
index d4d5c880..eac7f83a 100644
--- a/prh-aai-client/src/main/java/services/utils/HttpUtils.java
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/HttpUtils.java
@@ -17,16 +17,16 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
-package services.utils;
+package org.onap.dcaegen2.services.utils;
 
 import org.apache.http.HttpStatus;
 
-public class HttpUtils implements HttpStatus {
-
-    private HttpUtils() {}
+public final class HttpUtils implements HttpStatus {
 
     public static final String JSON_APPLICATION_TYPE = "application/json";
 
+    private HttpUtils() {}
+
     public static boolean isSuccessfulResponseCode(Integer statusCode) {
         return statusCode >= 200 && statusCode < 300;
     }
diff --git a/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/RequestVerbs.java b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/RequestVerbs.java
new file mode 100644
index 00000000..f350aa48
--- /dev/null
+++ b/prh-aai-client/src/main/java/org/onap/dcaegen2/services/utils/RequestVerbs.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * PNF-REGISTRATION-HANDLER
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.services.utils;
+
+public enum RequestVerbs {
+    GET,
+    PUT;
+
+    private RequestVerbs() {};
+}