private String getMetadataToken()

in src/main/java/com/aliyun/credentials/provider/ECSMetadataServiceCredentialsFetcher.java [174:194]

• 21 lines of code
• 4 McCabe index (conditional complexity)

    private String getMetadataToken(CompatibleUrlConnClient client) {
        try {
            HttpRequest request = new HttpRequest("http://" + metadataServiceHost + URL_IN_METADATA_TOKEN);
            request.setSysMethod(MethodType.PUT);
            request.setSysConnectTimeout(connectionTimeout);
            request.setSysReadTimeout(readTimeout);
            request.putHeaderParameter("X-aliyun-ecs-metadata-token-ttl-seconds", String.valueOf(this.metadataTokenDuration));
            HttpResponse response;
            try {
                response = client.syncInvoke(request);
            } catch (Exception e) {
                throw new CredentialException("Failed to connect ECS Metadata Service: " + e);
            }
            if (response.getResponseCode() != 200) {
                throw new CredentialException("Failed to get token from ECS Metadata Service. HttpCode=" + response.getResponseCode() + ", ResponseMessage=" + response.getHttpContentString());
            }
            return new String(response.getHttpContent());
        } catch (Exception ex) {
            return throwErrorOrReturn(ex);
        }
    }