Spring/spring-framework
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Polishing

Browse Source
This commit is contained in:
Juergen Hoeller
2014-09-04 00:55:38 +02:00
parent 8543a5548e
commit 97bd0ccfec
10 changed files with 319 additions and 445 deletions
Download Patch File Download Diff File Expand all files Collapse all files

223
spring-web/src/main/java/org/springframework/web/client/AsyncRestTemplate.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -88,8 +88,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
*/
public AsyncRestTemplate(AsyncListenableTaskExecutor taskExecutor) {
Assert.notNull(taskExecutor, "AsyncTaskExecutor must not be null");
SimpleClientHttpRequestFactory requestFactory =
new SimpleClientHttpRequestFactory();
SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
requestFactory.setTaskExecutor(taskExecutor);
this.syncTemplate = new RestTemplate(requestFactory);
setAsyncRequestFactory(requestFactory);
@@ -114,8 +113,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
* @param asyncRequestFactory the asynchronous request factory
* @param syncRequestFactory the synchronous request factory
*/
public AsyncRestTemplate(AsyncClientHttpRequestFactory asyncRequestFactory,
ClientHttpRequestFactory syncRequestFactory) {
public AsyncRestTemplate(AsyncClientHttpRequestFactory asyncRequestFactory, ClientHttpRequestFactory syncRequestFactory) {
this(asyncRequestFactory, new RestTemplate(syncRequestFactory));
}
@@ -125,8 +123,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
* @param requestFactory the asynchronous request factory to use
* @param restTemplate the synchronous template to use
*/
public AsyncRestTemplate(AsyncClientHttpRequestFactory requestFactory,
RestTemplate restTemplate) {
public AsyncRestTemplate(AsyncClientHttpRequestFactory requestFactory, RestTemplate restTemplate) {
Assert.notNull(restTemplate, "'restTemplate' must not be null");
this.syncTemplate = restTemplate;
setAsyncRequestFactory(requestFactory);
@@ -195,6 +192,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
return execute(url, HttpMethod.GET, requestCallback, responseExtractor);
}
// HEAD
@Override
@@ -218,30 +216,29 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
// POST
@Override
public ListenableFuture<URI> postForLocation(String url, HttpEntity<?> request,
Object... uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
ResponseExtractor<HttpHeaders> headersExtractor = headersExtractor();
ListenableFuture<HttpHeaders> headersFuture =
execute(url, HttpMethod.POST, requestCallback, headersExtractor,
uriVariables);
return extractLocationHeader(headersFuture);
}
@Override
public ListenableFuture<URI> postForLocation(String url, HttpEntity<?> request,
Map<String, ?> uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
ResponseExtractor<HttpHeaders> headersExtractor = headersExtractor();
ListenableFuture<HttpHeaders> headersFuture =
execute(url, HttpMethod.POST, requestCallback, headersExtractor,
uriVariables);
return extractLocationHeader(headersFuture);
}
@Override
public ListenableFuture<URI> postForLocation(URI url, HttpEntity<?> request)
public ListenableFuture<URI> postForLocation(String url, HttpEntity<?> request, Object... uriVariables)
throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
ResponseExtractor<HttpHeaders> headersExtractor = headersExtractor();
ListenableFuture<HttpHeaders> headersFuture =
execute(url, HttpMethod.POST, requestCallback, headersExtractor, uriVariables);
return extractLocationHeader(headersFuture);
}
@Override
public ListenableFuture<URI> postForLocation(String url, HttpEntity<?> request, Map<String, ?> uriVariables)
throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
ResponseExtractor<HttpHeaders> headersExtractor = headersExtractor();
ListenableFuture<HttpHeaders> headersFuture =
execute(url, HttpMethod.POST, requestCallback, headersExtractor, uriVariables);
return extractLocationHeader(headersFuture);
}
@Override
public ListenableFuture<URI> postForLocation(URI url, HttpEntity<?> request) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
ResponseExtractor<HttpHeaders> headersExtractor = headersExtractor();
ListenableFuture<HttpHeaders> headersFuture =
@@ -251,7 +248,6 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
private static ListenableFuture<URI> extractLocationHeader(final ListenableFuture<HttpHeaders> headersFuture) {
return new ListenableFuture<URI>() {
@Override
public void addCallback(final ListenableFutureCallback<? super URI> callback) {
headersFuture.addCallback(new ListenableFutureCallback<HttpHeaders>() {
@@ -259,14 +255,12 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
public void onSuccess(HttpHeaders result) {
callback.onSuccess(result.getLocation());
}
@Override
public void onFailure(Throwable t) {
callback.onFailure(t);
public void onFailure(Throwable ex) {
callback.onFailure(ex);
}
});
}
@Override
public boolean cancel(boolean mayInterruptIfRunning) {
return headersFuture.cancel(mayInterruptIfRunning);
@@ -285,8 +279,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
return headers.getLocation();
}
@Override
public URI get(long timeout, TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException {
public URI get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
HttpHeaders headers = headersFuture.get(timeout, unit);
return headers.getLocation();
}
@@ -296,45 +289,41 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
@Override
public <T> ListenableFuture<ResponseEntity<T>> postForEntity(String url, HttpEntity<?> request,
Class<T> responseType, Object... uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(responseType);
return execute(url, HttpMethod.POST, requestCallback, responseExtractor,
uriVariables);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(responseType);
return execute(url, HttpMethod.POST, requestCallback, responseExtractor, uriVariables);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> postForEntity(String url, HttpEntity<?> request,
Class<T> responseType, Map<String, ?> uriVariables)
throws RestClientException {
Class<T> responseType, Map<String, ?> uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(responseType);
return execute(url, HttpMethod.POST, requestCallback, responseExtractor,
uriVariables);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(responseType);
return execute(url, HttpMethod.POST, requestCallback, responseExtractor, uriVariables);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> postForEntity(URI url, HttpEntity<?> request,
Class<T> responseType) throws RestClientException {
public <T> ListenableFuture<ResponseEntity<T>> postForEntity(URI url, HttpEntity<?> request, Class<T> responseType)
throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(responseType);
return execute(url, HttpMethod.POST, requestCallback, responseExtractor);
}
// PUT
@Override
public ListenableFuture<?> put(String url, HttpEntity<?> request, Object... uriVariables)
throws RestClientException {
public ListenableFuture<?> put(String url, HttpEntity<?> request, Object... uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
return execute(url, HttpMethod.PUT, requestCallback, null, uriVariables);
}
@Override
public ListenableFuture<?> put(String url, HttpEntity<?> request,
Map<String, ?> uriVariables) throws RestClientException {
public ListenableFuture<?> put(String url, HttpEntity<?> request, Map<String, ?> uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(request);
return execute(url, HttpMethod.PUT, requestCallback, null, uriVariables);
}
@@ -345,17 +334,16 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
return execute(url, HttpMethod.PUT, requestCallback, null);
}
// DELETE
@Override
public ListenableFuture<?> delete(String url, Object... urlVariables)
throws RestClientException {
public ListenableFuture<?> delete(String url, Object... urlVariables) throws RestClientException {
return execute(url, HttpMethod.DELETE, null, null, urlVariables);
}
@Override
public ListenableFuture<?> delete(String url, Map<String, ?> urlVariables)
throws RestClientException {
public ListenableFuture<?> delete(String url, Map<String, ?> urlVariables) throws RestClientException {
return execute(url, HttpMethod.DELETE, null, null, urlVariables);
}
@@ -364,6 +352,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
return execute(url, HttpMethod.DELETE, null, null);
}
// OPTIONS
@Override
@@ -389,23 +378,19 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
private static ListenableFuture<Set<HttpMethod>> extractAllowHeader(final ListenableFuture<HttpHeaders> headersFuture) {
return new ListenableFuture<Set<HttpMethod>>() {
@Override
public void addCallback(
final ListenableFutureCallback<? super Set<HttpMethod>> callback) {
public void addCallback(final ListenableFutureCallback<? super Set<HttpMethod>> callback) {
headersFuture.addCallback(new ListenableFutureCallback<HttpHeaders>() {
@Override
public void onSuccess(HttpHeaders result) {
callback.onSuccess(result.getAllow());
}
@Override
public void onFailure(Throwable t) {
callback.onFailure(t);
public void onFailure(Throwable ex) {
callback.onFailure(ex);
}
});
}
@Override
public boolean cancel(boolean mayInterruptIfRunning) {
return headersFuture.cancel(mayInterruptIfRunning);
@@ -424,8 +409,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
return headers.getAllow();
}
@Override
public Set<HttpMethod> get(long timeout, TimeUnit unit)
throws InterruptedException, ExecutionException, TimeoutException {
public Set<HttpMethod> get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
HttpHeaders headers = headersFuture.get(timeout, unit);
return headers.getAllow();
}
@@ -436,68 +420,59 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
// exchange
@Override
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method,
HttpEntity<?> requestEntity, Class<T> responseType, Object... uriVariables)
throws RestClientException {
AsyncRequestCallback requestCallback =
httpEntityCallback(requestEntity, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(responseType);
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method, HttpEntity<?> requestEntity,
Class<T> responseType, Object... uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(requestEntity, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(responseType);
return execute(url, method, requestCallback, responseExtractor, uriVariables);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method,
HttpEntity<?> requestEntity, Class<T> responseType,
Map<String, ?> uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback =
httpEntityCallback(requestEntity, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(responseType);
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method, HttpEntity<?> requestEntity,
Class<T> responseType, Map<String, ?> uriVariables) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(requestEntity, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(responseType);
return execute(url, method, requestCallback, responseExtractor, uriVariables);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> exchange(URI url, HttpMethod method,
HttpEntity<?> requestEntity, Class<T> responseType)
throws RestClientException {
AsyncRequestCallback requestCallback =
httpEntityCallback(requestEntity, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(responseType);
public <T> ListenableFuture<ResponseEntity<T>> exchange(URI url, HttpMethod method, HttpEntity<?> requestEntity,
Class<T> responseType) throws RestClientException {
AsyncRequestCallback requestCallback = httpEntityCallback(requestEntity, responseType);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(responseType);
return execute(url, method, requestCallback, responseExtractor);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method,
HttpEntity<?> requestEntity, ParameterizedTypeReference<T> responseType,
Object... uriVariables) throws RestClientException {
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method, HttpEntity<?> requestEntity,
ParameterizedTypeReference<T> responseType, Object... uriVariables) throws RestClientException {
Type type = responseType.getType();
AsyncRequestCallback requestCallback = httpEntityCallback(requestEntity, type);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(type);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(type);
return execute(url, method, requestCallback, responseExtractor, uriVariables);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method,
HttpEntity<?> requestEntity, ParameterizedTypeReference<T> responseType,
Map<String, ?> uriVariables) throws RestClientException {
public <T> ListenableFuture<ResponseEntity<T>> exchange(String url, HttpMethod method, HttpEntity<?> requestEntity,
ParameterizedTypeReference<T> responseType, Map<String, ?> uriVariables) throws RestClientException {
Type type = responseType.getType();
AsyncRequestCallback requestCallback = httpEntityCallback(requestEntity, type);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(type);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(type);
return execute(url, method, requestCallback, responseExtractor, uriVariables);
}
@Override
public <T> ListenableFuture<ResponseEntity<T>> exchange(URI url, HttpMethod method,
HttpEntity<?> requestEntity, ParameterizedTypeReference<T> responseType)
throws RestClientException {
public <T> ListenableFuture<ResponseEntity<T>> exchange(URI url, HttpMethod method, HttpEntity<?> requestEntity,
ParameterizedTypeReference<T> responseType) throws RestClientException {
Type type = responseType.getType();
AsyncRequestCallback requestCallback = httpEntityCallback(requestEntity, type);
ResponseExtractor<ResponseEntity<T>> responseExtractor =
responseEntityExtractor(type);
ResponseExtractor<ResponseEntity<T>> responseExtractor = responseEntityExtractor(type);
return execute(url, method, requestCallback, responseExtractor);
}
@@ -505,27 +480,24 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
// general execution
@Override
public <T> ListenableFuture<T> execute(String url, HttpMethod method,
AsyncRequestCallback requestCallback, ResponseExtractor<T> responseExtractor,
Object... urlVariables) throws RestClientException {
public <T> ListenableFuture<T> execute(String url, HttpMethod method, AsyncRequestCallback requestCallback,
ResponseExtractor<T> responseExtractor, Object... urlVariables) throws RestClientException {
URI expanded = new UriTemplate(url).expand(urlVariables);
return doExecute(expanded, method, requestCallback, responseExtractor);
}
@Override
public <T> ListenableFuture<T> execute(String url, HttpMethod method,
AsyncRequestCallback requestCallback, ResponseExtractor<T> responseExtractor,
Map<String, ?> urlVariables) throws RestClientException {
public <T> ListenableFuture<T> execute(String url, HttpMethod method, AsyncRequestCallback requestCallback,
ResponseExtractor<T> responseExtractor, Map<String, ?> urlVariables) throws RestClientException {
URI expanded = new UriTemplate(url).expand(urlVariables);
return doExecute(expanded, method, requestCallback, responseExtractor);
}
@Override
public <T> ListenableFuture<T> execute(URI url, HttpMethod method,
AsyncRequestCallback requestCallback, ResponseExtractor<T> responseExtractor)
throws RestClientException {
public <T> ListenableFuture<T> execute(URI url, HttpMethod method, AsyncRequestCallback requestCallback,
ResponseExtractor<T> responseExtractor) throws RestClientException {
return doExecute(url, method, requestCallback, responseExtractor);
}
@@ -553,8 +525,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
requestCallback.doWithRequest(request);
}
ListenableFuture<ClientHttpResponse> responseFuture = request.executeAsync();
return new ResponseExtractorFuture<T>(method, url, responseFuture,
responseExtractor);
return new ResponseExtractorFuture<T>(method, url, responseFuture, responseExtractor);
}
catch (IOException ex) {
throw new ResourceAccessException("I/O error on " + method.name() +
@@ -565,9 +536,8 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
private void logResponseStatus(HttpMethod method, URI url, ClientHttpResponse response) {
if (logger.isDebugEnabled()) {
try {
logger.debug("Async " + method.name() + " request for \"" + url +
"\" resulted in " + response.getStatusCode() + " (" +
response.getStatusText() + ")");
logger.debug("Async " + method.name() + " request for \"" + url + "\" resulted in " +
response.getStatusCode() + " (" + response.getStatusText() + ")");
}
catch (IOException ex) {
// ignore
@@ -578,9 +548,8 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
private void handleResponseError(HttpMethod method, URI url, ClientHttpResponse response) throws IOException {
if (logger.isWarnEnabled()) {
try {
logger.warn("Async " + method.name() + " request for \"" + url +
"\" resulted in " + response.getStatusCode() + " (" +
response.getStatusText() + "); invoking error handler");
logger.warn("Async " + method.name() + " request for \"" + url + "\" resulted in " +
response.getStatusCode() + " (" + response.getStatusText() + "); invoking error handler");
}
catch (IOException ex) {
// ignore
@@ -628,12 +597,12 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
return this.syncTemplate.headersExtractor();
}
/**
* Future returned from
* {@link #doExecute(URI, HttpMethod, AsyncRequestCallback, ResponseExtractor)}
*/
private class ResponseExtractorFuture<T>
extends ListenableFutureAdapter<T, ClientHttpResponse> {
private class ResponseExtractorFuture<T> extends ListenableFutureAdapter<T, ClientHttpResponse> {
private final HttpMethod method;
@@ -642,8 +611,7 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
private final ResponseExtractor<T> responseExtractor;
public ResponseExtractorFuture(HttpMethod method, URI url,
ListenableFuture<ClientHttpResponse> clientHttpResponseFuture,
ResponseExtractor<T> responseExtractor) {
ListenableFuture<ClientHttpResponse> clientHttpResponseFuture, ResponseExtractor<T> responseExtractor) {
super(clientHttpResponseFuture);
this.method = method;
this.url = url;
@@ -672,12 +640,11 @@ public class AsyncRestTemplate extends AsyncHttpAccessor implements AsyncRestOpe
}
protected T convertResponse(ClientHttpResponse response) throws IOException {
return responseExtractor != null ? responseExtractor.extractData(response) :
null;
return (this.responseExtractor != null ? this.responseExtractor.extractData(response) : null);
}
}
/**
* Adapts a {@link RequestCallback} to the {@link AsyncRequestCallback} interface.
*/