From 25262352bd18444154e6a046def1103d26a87f29 Mon Sep 17 00:00:00 2001
From: "pasquale.vitale" <pasquale.vitale@mycompany.com>
Date: Tue, 19 Sep 2017 09:47:51 +0000
Subject: [PATCH] Add new method to get generic accesibleCredentials

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/data-access/gcube-geonetwork-connector@153237 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../connector/rest/GCubeRestClient.java       | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/src/main/java/org/gcube/data/access/connector/rest/GCubeRestClient.java b/src/main/java/org/gcube/data/access/connector/rest/GCubeRestClient.java
index 86be178..f1a90f4 100644
--- a/src/main/java/org/gcube/data/access/connector/rest/GCubeRestClient.java
+++ b/src/main/java/org/gcube/data/access/connector/rest/GCubeRestClient.java
@@ -1,13 +1,22 @@
 package org.gcube.data.access.connector.rest;
 
+import java.util.Iterator;
+import java.util.List;
+
 import org.gcube.data.access.connector.rest.entity.AccessibleCredentialsEntity;
+import org.gcube.data.access.connector.rest.entity.SDIEntity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.ResponseEntity;
 import org.springframework.web.client.RestTemplate;
 
 import net.sf.json.JSONObject;
 
 public class GCubeRestClient {
+	
+	private static String CONTEXT_MANAGER = "CONTEXT_MANAGER";
+	private static String CONTEXT_USER = "CONTEXT_USER";
 
 	private Logger logger = LoggerFactory.getLogger(this.getClass());
 
@@ -28,4 +37,36 @@ public class GCubeRestClient {
 		}
 	}
 	
+	public AccessibleCredentialsEntity getGeneralAccessibleCredentials(String url, String host) {
+		
+		logger.warn("REST call to URL: " + url);
+		RestTemplate restTemplate = new RestTemplate();
+		
+		try {
+			ResponseEntity<SDIEntity> response = restTemplate.exchange(url, HttpMethod.GET, null, SDIEntity.class);
+			
+			String baseEndpoint = response.getBody().getGeonetworkConfiguration().getBaseEndpoint();
+			AccessibleCredentialsEntity result = new AccessibleCredentialsEntity();
+
+			if (baseEndpoint.contains(host)){	
+				//get credentials from geonetworkConfiguration - to give priority on CONTEXT_MANAGER (if it exists), otherwise CONTEXT_USER
+				List<AccessibleCredentialsEntity> credentials = response.getBody().getGeonetworkConfiguration().getAccessibleCredentials();
+				Iterator<AccessibleCredentialsEntity> iter = credentials.iterator();		
+				while (iter.hasNext()){
+					AccessibleCredentialsEntity entity = iter.next();
+					if (CONTEXT_MANAGER.equals(entity.getAccessType())){
+						result = entity;
+					}
+					if ((result.getAccessType() == null) && CONTEXT_USER.equals(entity.getAccessType())){
+						result = entity;
+					}
+				}	
+			}
+			
+			return result;
+		} catch (Exception e) {
+			logger.error("Error in getGeneralAccessibleCredentials() method: " + e.getMessage());
+			return new AccessibleCredentialsEntity();
+		}
+	}
 }