org.dominokit.rest.shared.request.RequestSender Maven / Gradle / Ivy
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/*
* Copyright © 2019 Dominokit
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dominokit.rest.shared.request;
import static java.util.Objects.isNull;
import static java.util.Objects.nonNull;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import org.dominokit.domino.api.shared.extension.ContextAggregator;
import org.dominokit.rest.shared.MultipartForm;
import org.dominokit.rest.shared.Response;
import org.dominokit.rest.shared.RestfulRequest;
/**
* The default request rest sender.
*
* This will send the request in the following steps:
*
*
* - Normalizes the url to replace the expressions
*
- Calling the interceptors
*
- Use the writer to write the body if needed
*
- Send the request
*
*
* @param the request type
* @param the response type
* @see ServerRequest
* @see ServerRequestCallBack
* @see RequestInterceptor
*/
public class RequestSender implements RequestRestSender {
private static final Logger LOGGER = Logger.getLogger(RequestSender.class.getName());
private final List SEND_BODY_METHODS = Arrays.asList("POST", "PUT", "PATCH");
/** {@inheritDoc} */
@Override
public void send(ServerRequest request, ServerRequestCallBack callBack) {
request.normalizeUrl();
List interceptors =
DominoRestContext.make().getConfig().getRequestInterceptors();
if (nonNull(interceptors) && !interceptors.isEmpty()) {
List interceptorsWaitList =
interceptors.stream().map(InterceptorRequestWait::new).collect(Collectors.toList());
ContextAggregator.waitFor(interceptorsWaitList)
.onReady(() -> onAfterInterception(request, callBack));
interceptorsWaitList.forEach(
interceptorWait ->
interceptorWait.getInterceptor().interceptRequest(request, interceptorWait));
} else {
onAfterInterception(request, callBack);
}
}
private void onAfterInterception(ServerRequest request, ServerRequestCallBack callBack) {
final int[] retriesCounter = new int[] {0};
RestfulRequest restfulRequest =
RestfulRequest.request(request.getUrl(), request.getHttpMethod().toUpperCase());
request.setHttpRequest(restfulRequest);
if (!request.isAborted()) {
restfulRequest
.putHeaders(request.headers())
.putParameters(request.queryParameters())
.onSuccess(response -> handleResponse(request, callBack, response))
.onError(
throwable ->
handleError(request, callBack, retriesCounter, restfulRequest, throwable));
if (nonNull(request.getResponseType())) {
restfulRequest.setResponseType(request.getResponseType());
}
setTimeout(request, restfulRequest);
setWithCredentials(request, restfulRequest);
doSendRequest(request, restfulRequest);
}
}
private void handleError(
ServerRequest request,
ServerRequestCallBack callBack,
int[] retriesCounter,
RestfulRequest restfulRequest,
Throwable throwable) {
if (throwable instanceof RequestTimeoutException
&& retriesCounter[0] < request.getMaxRetries()) {
retriesCounter[0]++;
LOGGER.info("Retrying request : " + retriesCounter[0]);
doSendRequest(request, restfulRequest);
} else {
FailedResponseBean failedResponse = new FailedResponseBean(throwable);
LOGGER.log(Level.SEVERE, "Failed to execute request : ", failedResponse.getThrowable());
callFailedResponseHandlers(request, failedResponse);
callBack.onFailure(failedResponse);
}
}
private void handleResponse(
ServerRequest request, ServerRequestCallBack callBack, Response response) {
if (Arrays.stream(request.getSuccessCodes())
.anyMatch(code -> code.equals(response.getStatusCode()))) {
callSuccessGlobalHandlers(request, response);
callBack.onSuccess(readResponse(request, response));
} else {
FailedResponseBean failedResponse = new FailedResponseBean(request, response);
callFailedResponseHandlers(request, failedResponse);
callBack.onFailure(failedResponse);
}
}
private S readResponse(ServerRequest request, Response response) {
int statusCode = response.getStatusCode();
switch (statusCode) {
case 204:
{
if (isNull(response.getBodyAsString()) || response.getBodyAsString().isEmpty()) {
return null;
}
}
default:
return request.getResponseReader().read(response);
}
}
private void callSuccessGlobalHandlers(ServerRequest request, Response response) {
DominoRestContext.make()
.getConfig()
.getResponseInterceptors()
.forEach(responseInterceptor -> responseInterceptor.interceptOnSuccess(request, response));
}
private void callFailedResponseHandlers(
ServerRequest request, FailedResponseBean failedResponse) {
DominoRestContext.make()
.getConfig()
.getResponseInterceptors()
.forEach(
responseInterceptor -> responseInterceptor.interceptOnFailed(request, failedResponse));
}
private void setTimeout(ServerRequest request, RestfulRequest restfulRequest) {
if (request.getTimeout() > 0) {
restfulRequest.timeout(request.getTimeout());
}
}
private void setWithCredentials(ServerRequest request, RestfulRequest restfulRequest) {
if (request.getWithCredentialsRequest().isPresent()) {
restfulRequest.setWithCredentials(
request.getWithCredentialsRequest().get().isWithCredentials());
}
}
private void doSendRequest(ServerRequest request, RestfulRequest restfulRequest) {
if (SEND_BODY_METHODS.contains(request.getHttpMethod().toUpperCase())
&& !request.isVoidRequest()) {
if (request.isMultipartForm()) {
restfulRequest.sendMultipartForm((MultipartForm) request.requestBean());
} else {
restfulRequest.send(request.getRequestWriter().write(request.requestBean()));
}
} else {
restfulRequest.send();
}
}
}