Examples of org.springframework.web.client.RestTemplate

org.springframework.web.client.RestTemplate
le.com/hotels/{hotel}/bookings/{booking}", String.class,"42", "21"); will perform a GET on {@code http://example.com/hotels/42/bookings/21}. The map variant expands the template based on variable name, and is therefore more useful when using many variables, or when a single variable is used multiple times. For example:
```
 Map<String, String> vars = Collections.singletonMap("hotel", "42"); String result = restTemplate.getForObject("http://example.com/hotels/{hotel}/rooms/{hotel}", String.class, vars); 
```
will perform a GET on {@code http://example.com/hotels/42/rooms/42}. Alternatively, there are {@link URI} variantmethods ( {@link #getForObject(URI,Class)}), which do not allow for URI templates, but allow you to reuse a single, expanded URI multiple times.
Furthermore, the {@code String}-argument methods assume that the URL String is unencoded. This means that
```
 restTemplate.getForObject("http://example.com/hotel list"); 
```
will perform a GET on {@code http://example.com/hotel%20list}. As a result, any URL passed that is already encoded will be encoded twice (i.e. {@code http://example.com/hotel%20list} will become {@code http://example.com/hotel%2520list}). If this behavior is undesirable, use the {@code URI}-argument methods, which will not perform any URL encoding.
Objects passed to and returned from these methods are converted to and from HTTP messages by {@link HttpMessageConverter} instances. Converters for the main mime types are registered by default, but you can also writeyour own converter and register it via the {@link #setMessageConverters messageConverters} bean property.
This template uses a {@link org.springframework.http.client.SimpleClientHttpRequestFactory} and a {@link DefaultResponseErrorHandler} as default strategies for creating HTTP connections or handling HTTP errors,respectively. These defaults can be overridden through the {@link #setRequestFactory(ClientHttpRequestFactory) requestFactory} and {@link #setErrorHandler(ResponseErrorHandler) errorHandler} bean properties. @author Arjen Poutsma @see HttpMessageConverter @see RequestCallback @see ResponseExtractor @see ResponseErrorHandler @since 3.0

  public HttpStatus getStatusCode(String path) {
    return getStatusCode(getUrl(path), null);
  }


  public RestTemplate getRestTemplate() {
    RestTemplate client = new RestTemplate();
    client.setRequestFactory(new SimpleClientHttpRequestFactory() {
      @Override
      protected void prepareConnection(HttpURLConnection connection, String httpMethod) throws IOException {
        super.prepareConnection(connection, httpMethod);
        connection.setInstanceFollowRedirects(false);
      }
    });
    client.setErrorHandler(new ResponseErrorHandler() {
      // Pass errors through in response entity for status code analysis
      public boolean hasError(ClientHttpResponse response) throws IOException {
        return false;
      }

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  @Test
  public void testConnectThroughClientApp() throws Exception {


    // tonr is a trusted client of sparklr for this resource
    RestTemplate template = new RestTemplate();
    String result = template.getForObject(serverRunning.getUrl("/tonr2/trusted/message"), String.class);
    // System.err.println(result);
    assertEquals("{\"message\":\"Hello, Trusted Client\"}", result);


  }

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  public RestOperations getRestTemplate() {
    return client;
  }


  public RestOperations createRestTemplate() {
    RestTemplate client = new TestRestTemplate();
    return client;
  }

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    }
    else {
      Assume.assumeTrue(serverOffline.get(port));
    }


    RestTemplate client = new RestTemplate();
    boolean followRedirects = HttpURLConnection.getFollowRedirects();
    HttpURLConnection.setFollowRedirects(false);
    boolean online = false;
    try {
      client.getForEntity(new UriTemplate(getUrl("/sparklr2/login.jsp")).toString(), String.class);
      online = true;
      logger.info("Basic connectivity test passed");
    }
    catch (RestClientException e) {
      logger.warn(String.format(

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  public RestOperations getRestTemplate() {
    return client;
  }


  public RestOperations createRestTemplate() {
    RestTemplate client = new RestTemplate();
    client.setRequestFactory(new HttpComponentsClientHttpRequestFactory() {
      @Override
      protected HttpContext createHttpContext(HttpMethod httpMethod, URI uri) {
        HttpClientContext context = HttpClientContext.create();
        Builder builder = RequestConfig.custom().setCookieSpec(CookieSpecs.IGNORE_COOKIES)
            .setAuthenticationEnabled(false).setRedirectsEnabled(false);
        context.setRequestConfig(builder.build());
        return context;
      }
    });
    client.setErrorHandler(new DefaultResponseErrorHandler() {
      @Override
      public boolean hasError(ClientHttpResponse response) throws IOException {
        return false;
      }
    });

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        super(clientId, clientSecret, "https://foursquare.com/oauth2/authenticate", "https://foursquare.com/oauth2/access_token");
    }
    
    @Override
    protected RestTemplate createRestTemplate() {
        RestTemplate restTemplate = new RestTemplate(ClientHttpRequestFactorySelector.getRequestFactory());
        FormHttpMessageConverter messageConverter = new FormHttpMessageConverter() {
            public boolean canRead(Class<?> clazz, MediaType mediaType) {
                return true;
            }
        };
        restTemplate.setMessageConverters(Collections.<HttpMessageConverter<?>>singletonList(messageConverter));
        return restTemplate;
    }

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    log.info("Closed");
  }


  protected RestTemplate getRestTemplate() {
    RestTemplate restTemplate = new RestTemplate();
    restTemplate.setErrorHandler(new DefaultResponseErrorHandler() {
      @Override
      public void handleError(ClientHttpResponse response)
          throws IOException {
      }
    });

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  }


  protected void downloadFromURL(String urlToDownload, File downloadedFile)
      throws Exception {


    RestTemplate template = getRestTemplate();
    ResponseEntity<byte[]> entity = template.getForEntity(urlToDownload,
        byte[].class);


    assertEquals(HttpStatus.OK, entity.getStatusCode());


    FileOutputStream os = new FileOutputStream(downloadedFile);

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    return downloadedFile;
  }


  protected void uploadFileWithMultiparts(String uploadURL, File fileToUpload) {


    RestTemplate template = getRestTemplate();


    MultiValueMap<String, Object> parts = new LinkedMultiValueMap<String, Object>();
    parts.add("file", new FileSystemResource(fileToUpload));


    ResponseEntity<String> entity = postWithRetries(uploadURL, template,

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  }


  protected void uploadFileWithPOST(String uploadURL, File fileToUpload)
      throws FileNotFoundException, IOException {


    RestTemplate client = getRestTemplate();


    ByteArrayOutputStream fileBytes = new ByteArrayOutputStream();
    IOUtils.copy(new FileInputStream(fileToUpload), fileBytes);


    ResponseEntity<String> entity = postWithRetries(uploadURL, client,

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