public <T> T findOne(URI uri, Class<T> targetClass) {
Assert.state(uri != null, "uri must be set to use this method");
try {
return restOperations.getForObject(uri, targetClass);
// TODO check this exception translation and centralize.
} catch (HttpClientErrorException clientError) {
if (clientError.getStatusCode() == HttpStatus.NOT_FOUND) {
throw new DocumentRetrievalFailureException(uri.getPath());
}
throw new CouchUsageException(clientError);
} catch (HttpServerErrorException serverError) {
throw new CouchServerResourceUsageException(serverError);
} catch (RestClientException otherError) {
throw new UncategorizedCouchDataAccessException(otherError);
}
}
@Test
public void testErrorResponseExceptionStrategy() {
HttpMessageSender messageSender = new HttpMessageSender();
String requestUrl = "http://localhost:8088/test";
messageSender.setReplyMessageHandler(replyMessageHandler);
messageSender.setRequestMethod(HttpMethod.POST);
messageSender.setRequestUrl(requestUrl);
messageSender.setErrorHandlingStrategy(ErrorHandlingStrategy.THROWS_EXCEPTION);
Message<?> requestMessage =
MessageBuilder.withPayload("<TestRequest><Message>Hello World!</Message></TestRequest>")
.build();
messageSender.setRestTemplate(restTemplate);
reset(restTemplate, replyMessageHandler);
restTemplate.setErrorHandler(anyObject(ResponseErrorHandler.class));
expectLastCall().once();
expect(
restTemplate.exchange(
eq(requestUrl), eq(HttpMethod.POST), anyObject(HttpEntity.class), eq(String.class)))
.andThrow(new HttpClientErrorException(HttpStatus.FORBIDDEN))
.once();
replay(restTemplate, replyMessageHandler);
try {
messageSender.send(requestMessage);
Assert.fail("Missing exception due to http error status code");
} catch (HttpClientErrorException e) {
Assert.assertEquals(e.getMessage(), "403 FORBIDDEN");
verify(restTemplate, replyMessageHandler);
}
}