Java Code Examples for org.springframework.util.DigestUtils#appendMd5DigestAsHex()
The following examples show how to use
org.springframework.util.DigestUtils#appendMd5DigestAsHex() .
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Example 1
Source File: AbstractSockJsService.java From spring-analysis-note with MIT License | 5 votes |
@Override public void handle(ServerHttpRequest request, ServerHttpResponse response) throws IOException { if (request.getMethod() != HttpMethod.GET) { sendMethodNotAllowed(response, HttpMethod.GET); return; } String content = String.format(IFRAME_CONTENT, getSockJsClientLibraryUrl()); byte[] contentBytes = content.getBytes(StandardCharsets.UTF_8); StringBuilder builder = new StringBuilder("\"0"); DigestUtils.appendMd5DigestAsHex(contentBytes, builder); builder.append('"'); String etagValue = builder.toString(); List<String> ifNoneMatch = request.getHeaders().getIfNoneMatch(); if (!CollectionUtils.isEmpty(ifNoneMatch) && ifNoneMatch.get(0).equals(etagValue)) { response.setStatusCode(HttpStatus.NOT_MODIFIED); return; } response.getHeaders().setContentType(new MediaType("text", "html", StandardCharsets.UTF_8)); response.getHeaders().setContentLength(contentBytes.length); // No cache in order to check every time if IFrame are authorized addNoCacheHeaders(response); response.getHeaders().setETag(etagValue); response.getBody().write(contentBytes); }
Example 2
Source File: ShallowEtagHeaderFilter.java From spring-analysis-note with MIT License | 5 votes |
/** * Generate the ETag header value from the given response body byte array. * <p>The default implementation generates an MD5 hash. * @param inputStream the response body as an InputStream * @param isWeak whether the generated ETag should be weak * @return the ETag header value * @see org.springframework.util.DigestUtils */ protected String generateETagHeaderValue(InputStream inputStream, boolean isWeak) throws IOException { // length of W/ + " + 0 + 32bits md5 hash + " StringBuilder builder = new StringBuilder(37); if (isWeak) { builder.append("W/"); } builder.append("\"0"); DigestUtils.appendMd5DigestAsHex(inputStream, builder); builder.append('"'); return builder.toString(); }
Example 3
Source File: AbstractSockJsService.java From java-technology-stack with MIT License | 5 votes |
@Override public void handle(ServerHttpRequest request, ServerHttpResponse response) throws IOException { if (request.getMethod() != HttpMethod.GET) { sendMethodNotAllowed(response, HttpMethod.GET); return; } String content = String.format(IFRAME_CONTENT, getSockJsClientLibraryUrl()); byte[] contentBytes = content.getBytes(StandardCharsets.UTF_8); StringBuilder builder = new StringBuilder("\"0"); DigestUtils.appendMd5DigestAsHex(contentBytes, builder); builder.append('"'); String etagValue = builder.toString(); List<String> ifNoneMatch = request.getHeaders().getIfNoneMatch(); if (!CollectionUtils.isEmpty(ifNoneMatch) && ifNoneMatch.get(0).equals(etagValue)) { response.setStatusCode(HttpStatus.NOT_MODIFIED); return; } response.getHeaders().setContentType(new MediaType("text", "html", StandardCharsets.UTF_8)); response.getHeaders().setContentLength(contentBytes.length); // No cache in order to check every time if IFrame are authorized addNoCacheHeaders(response); response.getHeaders().setETag(etagValue); response.getBody().write(contentBytes); }
Example 4
Source File: ShallowEtagHeaderFilter.java From java-technology-stack with MIT License | 5 votes |
/** * Generate the ETag header value from the given response body byte array. * <p>The default implementation generates an MD5 hash. * @param inputStream the response body as an InputStream * @param isWeak whether the generated ETag should be weak * @return the ETag header value * @see org.springframework.util.DigestUtils */ protected String generateETagHeaderValue(InputStream inputStream, boolean isWeak) throws IOException { // length of W/ + " + 0 + 32bits md5 hash + " StringBuilder builder = new StringBuilder(37); if (isWeak) { builder.append("W/"); } builder.append("\"0"); DigestUtils.appendMd5DigestAsHex(inputStream, builder); builder.append('"'); return builder.toString(); }
Example 5
Source File: ShallowEtagHeaderFilter.java From lams with GNU General Public License v2.0 | 5 votes |
/** * Generate the ETag header value from the given response body byte array. * <p>The default implementation generates an MD5 hash. * @param inputStream the response body as an InputStream * @param isWeak whether the generated ETag should be weak * @return the ETag header value * @see org.springframework.util.DigestUtils */ protected String generateETagHeaderValue(InputStream inputStream, boolean isWeak) throws IOException { // length of W/ + 0 + " + 32bits md5 hash + " StringBuilder builder = new StringBuilder(37); if (isWeak) { builder.append("W/"); } builder.append("\"0"); DigestUtils.appendMd5DigestAsHex(inputStream, builder); builder.append('"'); return builder.toString(); }
Example 6
Source File: AbstractSockJsService.java From spring4-understanding with Apache License 2.0 | 5 votes |
@Override public void handle(ServerHttpRequest request, ServerHttpResponse response) throws IOException { if (!HttpMethod.GET.equals(request.getMethod())) { sendMethodNotAllowed(response, HttpMethod.GET); return; } String content = String.format(IFRAME_CONTENT, getSockJsClientLibraryUrl()); byte[] contentBytes = content.getBytes(UTF8_CHARSET); StringBuilder builder = new StringBuilder("\"0"); DigestUtils.appendMd5DigestAsHex(contentBytes, builder); builder.append('"'); String etagValue = builder.toString(); List<String> ifNoneMatch = request.getHeaders().getIfNoneMatch(); if (!CollectionUtils.isEmpty(ifNoneMatch) && ifNoneMatch.get(0).equals(etagValue)) { response.setStatusCode(HttpStatus.NOT_MODIFIED); return; } response.getHeaders().setContentType(new MediaType("text", "html", UTF8_CHARSET)); response.getHeaders().setContentLength(contentBytes.length); // No cache in order to check every time if IFrame are authorized addNoCacheHeaders(response); response.getHeaders().setETag(etagValue); response.getBody().write(contentBytes); }
Example 7
Source File: AbstractMetadataController.java From initializr with Apache License 2.0 | 4 votes |
protected String createUniqueId(String content) { StringBuilder builder = new StringBuilder(); DigestUtils.appendMd5DigestAsHex(content.getBytes(StandardCharsets.UTF_8), builder); return builder.toString(); }
Example 8
Source File: ShallowEtagHeaderFilter.java From spring4-understanding with Apache License 2.0 | 3 votes |
/** * Generate the ETag header value from the given response body byte array. * <p>The default implementation generates an MD5 hash. * @param inputStream the response body as an InputStream * @return the ETag header value * @see org.springframework.util.DigestUtils */ protected String generateETagHeaderValue(InputStream inputStream) throws IOException { StringBuilder builder = new StringBuilder("\"0"); DigestUtils.appendMd5DigestAsHex(inputStream, builder); builder.append('"'); return builder.toString(); }