// curl -X POST -i http://localhost:8080/todo-app/api/todo?text=TodoItem1
@RequestMapping(value = "todo", method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)
@ResponseBody
public void create(@RequestParam String text, HttpServletRequest req, HttpServletResponse resp) {
Todo todo = todoService.createNewTodo(text);
StringBuffer url = req.getRequestURL().append("/{id}");
UriTemplate uriTemplate = new UriTemplate(url.toString());
resp.addHeader("location", uriTemplate.expand(todo.getId()).toASCIIString());
}
/**
* Return a context-aware URl for the given relative URL with placeholders (named keys with braces
* {@code {}}). For example, send in a relative URL {@code foo/{bar}?spam={spam}} and a parameter
* map {@code {bar=baz,spam=nuts}} and the result will be {@code [contextpath]/foo/baz?spam=nuts}.
*
* @param relativeUrl the relative URL part
* @param params a map of parameters to insert as placeholders in the url
* @return a URL that points back to the server with an absolute path (also URL-encoded
* accordingly)
*/
public String getContextUrl(String relativeUrl, Map<String, ?> params) {
String url = getContextPath() + relativeUrl;
UriTemplate template = new UriTemplate(url);
url = template.expand(params).toASCIIString();
if (this.response != null) {
url = this.response.encodeURL(url);
}
return url;
}
public <T> T execute(
String url,
HttpMethod method,
RequestCallback requestCallback,
ResponseExtractor<T> responseExtractor,
Map<String, ?> urlVariables)
throws RestClientException {
UriTemplate uriTemplate = new HttpUrlTemplate(url);
URI expanded = uriTemplate.expand(urlVariables);
return doExecute(expanded, method, requestCallback, responseExtractor);
}
/*
* (non-Javadoc)
* @see org.springframework.hateoas.MethodLinkBuilderFactory#linkTo(java.lang.Object)
*/
@Override
public ControllerLinkBuilder linkTo(Object invocationValue) {
Assert.isInstanceOf(LastInvocationAware.class, invocationValue);
LastInvocationAware invocations = (LastInvocationAware) invocationValue;
MethodInvocation invocation = invocations.getLastInvocation();
Iterator<Object> classMappingParameters = invocations.getObjectParameters();
Method method = invocation.getMethod();
String mapping = DISCOVERER.getMapping(method);
UriComponentsBuilder builder = ControllerLinkBuilder.getBuilder().path(mapping);
UriTemplate template = new UriTemplate(mapping);
Map<String, Object> values = new HashMap<String, Object>();
Iterator<String> names = template.getVariableNames().iterator();
while (classMappingParameters.hasNext()) {
values.put(names.next(), classMappingParameters.next());
}
for (BoundMethodParameter parameter : PATH_VARIABLE_ACCESSOR.getBoundParameters(invocation)) {
values.put(parameter.getVariableName(), parameter.asString());
}
for (BoundMethodParameter parameter : REQUEST_PARAM_ACCESSOR.getBoundParameters(invocation)) {
Object value = parameter.getValue();
String key = parameter.getVariableName();
if (value instanceof Collection) {
for (Object element : (Collection<?>) value) {
builder.queryParam(key, element);
}
} else {
builder.queryParam(key, parameter.asString());
}
}
UriComponents components =
applyUriComponentsContributer(builder, invocation).buildAndExpand(values);
return new ControllerLinkBuilder(UriComponentsBuilder.fromUri(components.toUri()));
}
public String getProductIdFromUri(String productURI) {
UriTemplate uriTemplate = new UriTemplate("/products/{productId}");
Map<String, String> variables = uriTemplate.match(productURI);
return variables.get("productId");
}
private URI childLocation(StringBuffer parentUri, Object childId) {
UriTemplate uri = new UriTemplate(parentUri.append("/{childId}").toString());
return uri.expand(childId);
}
/**
* determines URL of child resource based on the full URL of the given request, appending the path
* info with the given childIdentifier using a UriTemplate.
*/
private URI getLocationForChildResource(StringBuffer url, Object childIdentifier) {
UriTemplate template = new UriTemplate(url.append("/{childId}").toString());
return template.expand(childIdentifier);
}
@RequestMapping(value = "/addphoto.jsp", method = RequestMethod.POST)
@PreAuthorize("hasRole('ROLE_ANONYMOUS')")
public ModelAndView addPhoto(
@RequestParam("file") MultipartFile file, HttpServletResponse response) throws Exception {
if (file == null || file.isEmpty()) {
return new ModelAndView("addphoto", "error", "изображение не задано");
}
try {
File uploadedFile =
File.createTempFile(
"userpic", "", new File(siteConfig.getPathPrefix() + "/linux-storage/tmp/"));
file.transferTo(uploadedFile);
ImageParam param = userService.checkUserPic(uploadedFile);
String extension = param.getExtension();
Random random = new Random();
String photoname;
File photofile;
do {
photoname =
Integer.toString(AuthUtil.getCurrentUser().getId())
+ ':'
+ random.nextInt()
+ '.'
+ extension;
photofile = new File(siteConfig.getHTMLPathPrefix() + "/photos", photoname);
} while (photofile.exists());
if (!uploadedFile.renameTo(photofile)) {
logger.warn("Can't move photo to " + photofile);
throw new ScriptErrorException("Can't move photo: internal error");
}
userDao.setPhoto(AuthUtil.getCurrentUser(), photoname);
logger.info("Установлена фотография пользователем " + AuthUtil.getCurrentUser().getNick());
return new ModelAndView(
new RedirectView(
UriComponentsBuilder.fromUri(
PROFILE_NOCACHE_URI_TEMPLATE.expand(AuthUtil.getCurrentUser().getNick()))
.queryParam("nocache", Integer.toString(random.nextInt()) + '=')
.build()
.encode()
.toString()));
} catch (IOException ex) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return new ModelAndView("addphoto", "error", ex.getMessage());
} catch (BadImageException ex) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return new ModelAndView("addphoto", "error", ex.getMessage());
} catch (UserErrorException ex) {
response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return new ModelAndView("addphoto", "error", ex.getMessage());
}
}
