From 749f67101d8172eb1b22898678e3db50070579eb Mon Sep 17 00:00:00 2001
From: Costantino Perciante <costantino.perciante@isti.cnr.it>
Date: Wed, 24 Jan 2018 20:28:42 +0000
Subject: [PATCH] added getResource method

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-catalogue/ckan-util-library@162550 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../ckanutillibrary/server/DataCatalogue.java |  5 +++++
 .../server/DataCatalogueImpl.java             | 20 +++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogue.java b/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogue.java
index 547fe94..0b5a3e9 100644
--- a/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogue.java
+++ b/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogue.java
@@ -644,4 +644,9 @@ public interface DataCatalogue {
 	 * @return an email address for sending email to this catalogue
 	 */
 	String getCatalogueEmail();
+	
+	/**
+	 * Retrieve a resource by id
+	 */
+	CkanResource getResource(String id, String apiKey);
 }
diff --git a/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java b/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java
index ab4ad16..139b024 100644
--- a/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java
+++ b/src/main/java/org/gcube/datacatalogue/ckanutillibrary/server/DataCatalogueImpl.java
@@ -1886,6 +1886,26 @@ public class DataCatalogueImpl implements DataCatalogue{
 		}
 		return false;
 	}
+	
+	@Override
+	public CkanResource getResource(String id, String apiKey) {
+		logger.info("Request ckan resource with id " + id);
+
+		// checks
+		checkNotNull(id);
+		checkArgument(!id.isEmpty());
+		checkNotNull(apiKey);
+		checkArgument(!apiKey.isEmpty());
+
+		try{
+			CheckedCkanClient client = new CheckedCkanClient(CKAN_CATALOGUE_URL, apiKey);
+			return client.getResource(id);
+		}catch(Exception e){
+			logger.error("Unable to retrieve such resource, returning null ...", e);
+		}
+
+		return null;
+	}
 
 	@Override
 	public CkanDataset getDataset(String datasetId, String apiKey) {