src/main/java/net/wasdev/wlp/common/plugins/util/InstallFeatureUtil.java
private File downloadJsons(String productId, String productVersion) {
        String jsonGroupId = productId + ".features";        
        try {
            return downloadArtifact(jsonGroupId, "features", "json", productVersion);
        } catch (PluginExecutionException e) {
            debug("Cannot find json for productId " + productId + ", productVersion " + productVersion, e);
            return null;
        }
    }
private File downloadJsons(String productId, String productVersion) {
        String jsonGroupId = productId + ".features";        
        try {
            return downloadArtifact(jsonGroupId, "features", "json", productVersion);
        } catch (PluginExecutionException e) {
            debug("Cannot find json for productId " + productId + ", productVersion " + productVersion, e);
            return null;
        }
    }
Download the JSON file for the given product.

@param productId The product ID from the runtime's properties file
@param productVersion The product version from the runtime's properties file
@return The JSON file, or null if not found