Java 类com.amazonaws.AmazonWebServiceResult 实例源码

private void populateAndEndSubsegment(Subsegment currentSubsegment, Request<?> request, Response<?> response) {
    if (null != response) {
        String requestId = null;
        if (response.getAwsResponse() instanceof AmazonWebServiceResult<?>) { // Not all services return responses extending AmazonWebServiceResult (e.g. S3)
            ResponseMetadata metadata = ((AmazonWebServiceResult<?>) response.getAwsResponse()).getSdkResponseMetadata();
            if (null != metadata) {
                requestId = metadata.getRequestId();
                if (null != requestId) {
                    currentSubsegment.putAws(REQUEST_ID_SUBSEGMENT_KEY, requestId);
                }
            }
        } else if (null != response.getHttpResponse()) { // S3 does not follow request id header convention
            if (null != response.getHttpResponse().getHeader(S3_REQUEST_ID_HEADER_KEY)) {
                currentSubsegment.putAws(REQUEST_ID_SUBSEGMENT_KEY, response.getHttpResponse().getHeader(S3_REQUEST_ID_HEADER_KEY));
            }
            if (null != response.getHttpResponse().getHeader(S3_EXTENDED_REQUEST_ID_HEADER_KEY)) {
                currentSubsegment.putAws(EXTENDED_REQUEST_ID_SUBSEGMENT_KEY, response.getHttpResponse().getHeader(S3_EXTENDED_REQUEST_ID_HEADER_KEY));
            }
        }
        currentSubsegment.putAllAws(extractResponseParameters(request, response.getAwsResponse()));
        currentSubsegment.putAllHttp(extractHttpResponseInformation(response.getHttpResponse()));
    }

    finalizeSubsegment(request);
}

/**
 * TODO: メソッドコメント
 * 
 * @param client
 * @return
 */
public AmazonEC2 wrap(final AmazonEC2 client) {
    InvocationHandler handler = new InvocationHandler() {
        @Override
        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
            if (!AmazonWebServiceResult.class.isAssignableFrom(method.getReturnType())) {
                return method.invoke(client, args);
            }

            return doInvoke(client, proxy, method, args);
        }
    };

    return (AmazonEC2) Proxy.newProxyInstance(LoggingAwsClientWrapper.class.getClassLoader(),
            new Class[] { AmazonEC2.class }, handler);
}

/**
 * TODO: メソッドコメント
 * 
 * @param client
 * @return
 */
public AmazonElasticLoadBalancing wrap(final AmazonElasticLoadBalancing client) {
    InvocationHandler handler = new InvocationHandler() {
        @Override
        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
            if (!AmazonWebServiceResult.class.isAssignableFrom(method.getReturnType())) {
                return method.invoke(client, args);
            }

            return doInvoke(client, proxy, method, args);
        }
    };

    return (AmazonElasticLoadBalancing) Proxy.newProxyInstance(LoggingAwsClientWrapper.class.getClassLoader(),
            new Class[] { AmazonElasticLoadBalancing.class }, handler);
}

@SuppressWarnings("unchecked")
private <T> T fillInResponseMetadata(AmazonWebServiceResponse<T> awsResponse,
                                     HttpResponse httpResponse) {
    final T result = awsResponse.getResult();
    if (result instanceof AmazonWebServiceResult<?>) {
        ((AmazonWebServiceResult) result)
                .setSdkResponseMetadata(awsResponse.getResponseMetadata())
                .setSdkHttpMetadata(SdkHttpMetadata.from(httpResponse));
    }
    return result;
}

private boolean isResponseSuccessful(AmazonWebServiceResult<?> response) {
    return response.getSdkHttpMetadata().getHttpStatusCode() == HttpStatus.SC_OK;
}