diff --git a/src/main/java/org/gcube/common/software/analyser/Analyser.java b/src/main/java/org/gcube/common/software/analyser/Analyser.java
index 2ad4cfd..0a66ace 100644
--- a/src/main/java/org/gcube/common/software/analyser/Analyser.java
+++ b/src/main/java/org/gcube/common/software/analyser/Analyser.java
@@ -48,8 +48,8 @@ public class Analyser {
 		return globalConfiguration;
 	}
 
-	public void setGlobalConfiguration(ObjectNode originalGlobal) {
-		this.globalConfiguration = originalGlobal.deepCopy();
+	public void setGlobalConfiguration(ObjectNode originalGlobalConfiguration) {
+		this.globalConfiguration = originalGlobalConfiguration.deepCopy();
 	}
 	
 	public ArrayNode getArtifactMetadataArray() {
diff --git a/src/main/java/org/gcube/common/software/analyser/AnalyserFactory.java b/src/main/java/org/gcube/common/software/analyser/AnalyserFactory.java
index a6a7fc5..a99e743 100644
--- a/src/main/java/org/gcube/common/software/analyser/AnalyserFactory.java
+++ b/src/main/java/org/gcube/common/software/analyser/AnalyserFactory.java
@@ -24,17 +24,34 @@ public class AnalyserFactory {
 		return getAnalyser(jsonNode);
 	}
 	
-	public static Analyser getAnalyser(String json) throws Exception {
+	public static Analyser getAnalyser(String inputJson) throws Exception {
 		ObjectMapper objectMapper = Utils.getObjectMapper();
-		JsonNode jsonNode = objectMapper.readTree(json);
-		return getAnalyser(jsonNode);
+		JsonNode inputNode = objectMapper.readTree(inputJson);
+		return getAnalyser(inputNode);
 	}
 	
-	public static Analyser getAnalyser(JsonNode jsonNode) throws Exception {
+	public static Analyser getAnalyser(JsonNode inputNode) throws Exception {
 		Analyser analyser = new Analyser();
-		ObjectNode originalGlobalConfiguration = (ObjectNode) jsonNode.get(CONFIGURATION_PROPERTY_NAME);
+		ObjectNode originalGlobalConfiguration = (ObjectNode) inputNode.get(CONFIGURATION_PROPERTY_NAME);
 		analyser.setGlobalConfiguration(originalGlobalConfiguration);
-		ArrayNode originalArtifactMetadataArray = (ArrayNode) jsonNode.get(ARTIFACTS_PROPERTY_NAME);
+		ArrayNode originalArtifactMetadataArray = (ArrayNode) inputNode.get(ARTIFACTS_PROPERTY_NAME);
+		analyser.setArtifactMetadataArray(originalArtifactMetadataArray);
+		return analyser;
+	}
+	
+	public static Analyser getAnalyser(String localConfiguration, String inputJson) throws Exception {
+		ObjectMapper objectMapper = Utils.getObjectMapper();
+		JsonNode localConfigurationNode = objectMapper.readTree(localConfiguration);
+		JsonNode inputNode = objectMapper.readTree(inputJson);
+		return getAnalyser(localConfigurationNode, inputNode);
+	}
+	
+	public static Analyser getAnalyser(JsonNode localConfiguration, JsonNode inputNode) throws Exception {
+		Analyser analyser = new Analyser();
+		ObjectNode inputConfiguration = (ObjectNode) inputNode.get(CONFIGURATION_PROPERTY_NAME);
+		ObjectNode mergedConfiguration = (ObjectNode) Utils.merge(localConfiguration, inputConfiguration);
+		analyser.setGlobalConfiguration(mergedConfiguration);
+		ArrayNode originalArtifactMetadataArray = (ArrayNode) inputNode.get(ARTIFACTS_PROPERTY_NAME);
 		analyser.setArtifactMetadataArray(originalArtifactMetadataArray);
 		return analyser;
 	}