Java Code Examples for org.springframework.web.util.UriUtils#decode()

private static MultiValueMap<String, String> parseQueryParams(URI uri) {
	MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<>();
	String query = uri.getRawQuery();
	if (query != null) {
		Matcher matcher = QUERY_PATTERN.matcher(query);
		while (matcher.find()) {
			String name = UriUtils.decode(matcher.group(1), StandardCharsets.UTF_8);
			String eq = matcher.group(2);
			String value = matcher.group(3);
			if (value != null) {
				value = UriUtils.decode(value, StandardCharsets.UTF_8);
			}
			else {
				value = (StringUtils.hasLength(eq) ? "" : null);
			}
			queryParams.add(name, value);
		}
	}
	return queryParams;
}
 

private static MultiValueMap<String, String> parseQueryParams(URI uri) {
	MultiValueMap<String, String> queryParams = new LinkedMultiValueMap<>();
	String query = uri.getRawQuery();
	if (query != null) {
		Matcher matcher = QUERY_PATTERN.matcher(query);
		while (matcher.find()) {
			String name = UriUtils.decode(matcher.group(1), StandardCharsets.UTF_8);
			String eq = matcher.group(2);
			String value = matcher.group(3);
			if (value != null) {
				value = UriUtils.decode(value, StandardCharsets.UTF_8);
			}
			else {
				value = (StringUtils.hasLength(eq) ? "" : null);
			}
			queryParams.add(name, value);
		}
	}
	return queryParams;
}
 

protected final String getCallbackParam(ServerHttpRequest request) {
	String query = request.getURI().getQuery();
	MultiValueMap<String, String> params = UriComponentsBuilder.newInstance().query(query).build().getQueryParams();
	String value = params.getFirst("c");
	if (StringUtils.isEmpty(value)) {
		return null;
	}
	try {
		String result = UriUtils.decode(value, "UTF-8");
		return (CALLBACK_PARAM_PATTERN.matcher(result).matches() ? result : null);
	}
	catch (UnsupportedEncodingException ex) {
		// should never happen
		throw new SockJsException("Unable to decode callback query parameter", null, ex);
	}
}
 

public void fileOutputStream(HttpServletRequest req, HttpServletResponse resp) 
		throws ServletException, IOException {
	String filepath = req.getRequestURI();
	int index = filepath.indexOf(Global.USERFILES_BASE_URL);
	if(index >= 0) {
		filepath = filepath.substring(index + Global.USERFILES_BASE_URL.length());
	}
	try {
		filepath = UriUtils.decode(filepath, "UTF-8");
	} catch (UnsupportedEncodingException e1) {
		logger.error(String.format("解释文件路径失败，URL地址为%s", filepath), e1);
	}
	File file = new File(Global.getUserfilesBaseDir() + Global.USERFILES_BASE_URL + filepath);
	try {
		FileCopyUtils.copy(new FileInputStream(file), resp.getOutputStream());
		resp.setHeader("Content-Type", "application/octet-stream");
		return;
	} catch (FileNotFoundException e) {
		req.setAttribute("exception", new FileNotFoundException("请求的文件不存在"));
		req.getRequestDispatcher("/WEB-INF/views/error/404.jsp").forward(req, resp);
	}
}
 

private static boolean isDescendentOrEqual(URL collection,
                                           URL test) {
    if(collection == null || test == null){
        return false;
    }
    if (collection.toString().equals(test.toString())) {
        return true;
    }
    
    try {
        String testPathDecoded = UriUtils.decode(test.getPath(), "UTF-8");
        String collectionPathDecoded = UriUtils.decode(collection.getPath(), "UTF-8");

        return testPathDecoded.startsWith(collectionPathDecoded);
    } catch (IllegalArgumentException e) {
        return test.getPath().startsWith(collection.getPath());
    }
}
 

void copyQueryParams(UriComponents uriComponents, MockHttpServletRequest servletRequest){
	try {
		if (uriComponents.getQuery() != null) {
			String query = UriUtils.decode(uriComponents.getQuery(), UTF_8);
			servletRequest.setQueryString(query);
		}

		for (Entry<String, List<String>> entry : uriComponents.getQueryParams().entrySet()) {
			for (String value : entry.getValue()) {
				servletRequest.addParameter(
						UriUtils.decode(entry.getKey(), UTF_8),
						UriUtils.decode(value, UTF_8));
			}
		}
	}
	catch (UnsupportedEncodingException ex) {
		// shouldn't happen
	}
}
 

/**
 * Find the resource under the given location.
 * <p>The default implementation checks if there is a readable
 * {@code Resource} for the given path relative to the location.
 * @param resourcePath the path to the resource
 * @param location the location to check
 * @return the resource, or empty {@link Mono} if none found
 */
protected Mono<Resource> getResource(String resourcePath, Resource location) {
	try {
		if (location instanceof ClassPathResource) {
			resourcePath = UriUtils.decode(resourcePath, StandardCharsets.UTF_8);
		}
		Resource resource = location.createRelative(resourcePath);
		if (resource.isReadable()) {
			if (checkResource(resource, location)) {
				return Mono.just(resource);
			}
			else if (logger.isWarnEnabled()) {
				Resource[] allowedLocations = getAllowedLocations();
				logger.warn("Resource path \"" + resourcePath + "\" was successfully resolved " +
						"but resource \"" + resource.getURL() + "\" is neither under the " +
						"current location \"" + location.getURL() + "\" nor under any of the " +
						"allowed locations " + (allowedLocations != null ? Arrays.asList(allowedLocations) : "[]"));
			}
		}
		return Mono.empty();
	}
	catch (IOException ex) {
		if (logger.isDebugEnabled()) {
			String error = "Skip location [" + location + "] due to error";
			if (logger.isTraceEnabled()) {
				logger.trace(error, ex);
			}
			else {
				logger.debug(error + ": " + ex.getMessage());
			}
		}
		return Mono.error(ex);
	}
}
 

@Nullable
protected final String getCallbackParam(ServerHttpRequest request) {
	String query = request.getURI().getQuery();
	MultiValueMap<String, String> params = UriComponentsBuilder.newInstance().query(query).build().getQueryParams();
	String value = params.getFirst("c");
	if (!StringUtils.hasLength(value)) {
		return null;
	}
	String result = UriUtils.decode(value, StandardCharsets.UTF_8);
	return (CALLBACK_PARAM_PATTERN.matcher(result).matches() ? result : null);
}
 

@Nullable
protected final String getCallbackParam(ServerHttpRequest request) {
	String query = request.getURI().getQuery();
	MultiValueMap<String, String> params = UriComponentsBuilder.newInstance().query(query).build().getQueryParams();
	String value = params.getFirst("c");
	if (StringUtils.isEmpty(value)) {
		return null;
	}
	String result = UriUtils.decode(value, StandardCharsets.UTF_8);
	return (CALLBACK_PARAM_PATTERN.matcher(result).matches() ? result : null);
}
 

public static String decodeQueryString(String query){
    try {
        return UriUtils.decode(query,"UTF-8");

    } catch (UnsupportedEncodingException e){
        return query;
    }
}
 

private String getDecodedUrl(HttpServletRequest req) {
    try {
        if (req.getContextPath() == null) {
            return UriUtils.decode(req.getRequestURI(), "UTF-8");
        } else {
            return UriUtils.decode(StringUtils.removeStart(req.getRequestURI(), req.getContextPath()), "UTF-8");
        }
    } catch (UnsupportedEncodingException e) {
        throw new CloudRuntimeException(e);
    }
}
 

@RequestMapping(path = "/login", method = RequestMethod.GET)
public String loginProject(final HttpServletRequest request, final HttpServletResponse response, Model model) {
    SavedRequest savedRequest = new HttpSessionRequestCache().getRequest(request, response);

    //TODO: Check to make sure this isn't null -- maybe redirect to homepage if it is
    String originalRequestUrl = savedRequest.getRedirectUrl();
    String projectName = originalRequestUrl.substring(originalRequestUrl.lastIndexOf('/') + 1);
    projectName = UriUtils.decode(projectName, Charset.defaultCharset());

    model.addAttribute("projectName", projectName);
    return "login";
}
 

@Test
public void givenPathSegment_thenEncodeDecode() throws UnsupportedEncodingException {
    String pathSegment = "/Path 1/Path+2";
    String encodedPathSegment = encodePath(pathSegment);
    String decodedPathSegment = UriUtils.decode(encodedPathSegment, "UTF-8");
    Assert.assertEquals("/Path%201/Path+2", encodedPathSegment);
    Assert.assertEquals("/Path 1/Path+2", decodedPathSegment);
}
 

public static String decode(String string) {
    return UriUtils.decode(string, StandardCharsets.UTF_8.name());
}
 

/**
 * URI解码
 * @param source 要解码的字符串
 * @return 解码后的字符串
 */
public static String decode(String source) {
	return UriUtils.decode(source, DEFAULT_ENCODING);
}