src/main/java/org/intellimate/izou/sdk/resource/ListResourceProviderImpl.java
@Override
    public List<ResourceModel> provideResourceFromSource(String sourceID) {
        return resources.stream()
                .filter(resource -> resource.getProvider().getID().equals(sourceID))
                .collect(Collectors.toList());
    }
@Override
    public List<ResourceModel> provideResourceFromSource(String sourceID) {
        return resources.stream()
                .filter(resource -> resource.getProvider().getID().equals(sourceID))
                .collect(Collectors.toList());
    }
returns the resource (if existing) from the source

@param sourceID the ID of the source
@return a list containing all the found resources