private String getMetadata()

in src/main/java/com/aliyun/credentials/provider/ECSMetadataServiceCredentialsFetcher.java [80:106]

• 23 lines of code
• 5 McCabe index (conditional complexity)

    private String getMetadata(CompatibleUrlConnClient client, String url) {
        HttpRequest request = new HttpRequest(url);
        request.setSysMethod(MethodType.GET);
        request.setSysConnectTimeout(connectionTimeout);
        request.setSysReadTimeout(readTimeout);
        HttpResponse response;
        String metadataToken = this.getMetadataToken(client);
        if (metadataToken != null) {
            request.putHeaderParameter("X-aliyun-ecs-metadata-token", metadataToken);
        }

        try {
            response = client.syncInvoke(request);
        } catch (Exception e) {
            throw new CredentialException("Failed to connect ECS Metadata Service: " + e);
        }

        if (response.getResponseCode() == 404) {
            throw new CredentialException("The role name was not found in the instance.");
        }

        if (response.getResponseCode() != 200) {
            throw new CredentialException(ECS_METADATA_FETCH_ERROR_MSG + " HttpCode=" + response.getResponseCode());
        }

        return new String(response.getHttpContent());
    }