//...
public List<EObject> readJSonAsList(String jsonString, String rootType) throws IOException
	{		
		List<EObject> result = new ArrayList<>() ;
		JsonNode root = mapper.readTree(jsonString) ;
		if (root.getNodeType() != JsonNodeType.ARRAY) throw new IOException("Wrong data format : ARRAY expected !") ;
		Iterator<JsonNode> elements = root.iterator() ;
		while (elements.hasNext())
		{
			JsonNode arrayNode = elements.next() ;
			EObject arrayElement = recursiveReading(rootType,arrayNode) ;	
			result.add(arrayElement) ;
		}		
		return result ;
	}

private EObject recursiveReading(String fieldName, JsonNode root) throws IOException
	{
		EClass clazz = getEClass(fieldName) ;
		EObject result = clazz.getEPackage().getEFactoryInstance().create(clazz) ;
		
		Iterator<Entry<String,JsonNode>> fields = root.fields() ;
		while (fields.hasNext())
		{	
			Entry<String,JsonNode> field = fields.next() ;
			String nextFieldName = field.getKey() ;
			JsonNode nextNode = field.getValue() ;
			
			if (nextNode.getNodeType() == JsonNodeType.OBJECT)
			{
				result.eSet(clazz.getEStructuralFeature(nextFieldName), recursiveReading(nextFieldName,nextNode));
			}
			else
			{
				setField(result, nextFieldName, nextNode) ;
			}
		}		
		return result ;
	}
//...