Java Code Examples for javax.servlet.http.HttpServletResponse#getContentType()
The following examples show how to use
javax.servlet.http.HttpServletResponse#getContentType() .
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Example 1
Source File: DefaultServerResponseBuilder.java From spring-analysis-note with MIT License | 6 votes |
private void writeHeaders(HttpServletResponse servletResponse) { this.headers.forEach((headerName, headerValues) -> { for (String headerValue : headerValues) { servletResponse.addHeader(headerName, headerValue); } }); // HttpServletResponse exposes some headers as properties: we should include those if not already present if (servletResponse.getContentType() == null && this.headers.getContentType() != null) { servletResponse.setContentType(this.headers.getContentType().toString()); } if (servletResponse.getCharacterEncoding() == null && this.headers.getContentType() != null && this.headers.getContentType().getCharset() != null) { servletResponse .setCharacterEncoding(this.headers.getContentType().getCharset().name()); } }
Example 2
Source File: TomcatHttpHandlerAdapter.java From spring-analysis-note with MIT License | 6 votes |
@Override protected void applyHeaders() { HttpServletResponse response = getNativeResponse(); MediaType contentType = getHeaders().getContentType(); if (response.getContentType() == null && contentType != null) { response.setContentType(contentType.toString()); } Charset charset = (contentType != null ? contentType.getCharset() : null); if (response.getCharacterEncoding() == null && charset != null) { response.setCharacterEncoding(charset.name()); } long contentLength = getHeaders().getContentLength(); if (contentLength != -1) { response.setContentLengthLong(contentLength); } }
Example 3
Source File: JettyHttpHandlerAdapter.java From spring-analysis-note with MIT License | 6 votes |
@Override protected void applyHeaders() { MediaType contentType = getHeaders().getContentType(); HttpServletResponse response = getNativeResponse(); if (response.getContentType() == null && contentType != null) { response.setContentType(contentType.toString()); } Charset charset = (contentType != null ? contentType.getCharset() : null); if (response.getCharacterEncoding() == null && charset != null) { response.setCharacterEncoding(charset.name()); } long contentLength = getHeaders().getContentLength(); if (contentLength != -1) { response.setContentLengthLong(contentLength); } }
Example 4
Source File: CoverArtController.java From subsonic with GNU General Public License v3.0 | 6 votes |
private void sendFallback(Integer size, HttpServletResponse response) throws IOException { if (response.getContentType() == null) { response.setContentType(StringUtil.getMimeType("jpeg")); } InputStream in = null; try { in = getClass().getResourceAsStream("default_cover.jpg"); BufferedImage image = ImageIO.read(in); if (size != null) { image = scale(image, size, size); } ImageIO.write(image, "jpeg", response.getOutputStream()); } finally { IOUtils.closeQuietly(in); } }
Example 5
Source File: RESTServlet.java From Doradus with Apache License 2.0 | 6 votes |
private void sendResponse(HttpServletResponse servletResponse, RESTResponse restResponse) throws IOException { servletResponse.setStatus(restResponse.getCode().getCode()); Map<String, String> responseHeaders = restResponse.getHeaders(); if (responseHeaders != null) { for (Map.Entry<String, String> mapEntry : responseHeaders.entrySet()) { if (mapEntry.getKey().equalsIgnoreCase(HttpDefs.CONTENT_TYPE)) { servletResponse.setContentType(mapEntry.getValue()); } else { servletResponse.setHeader(mapEntry.getKey(), mapEntry.getValue()); } } } byte[] bodyBytes = restResponse.getBodyBytes(); int bodyLen = bodyBytes == null ? 0 : bodyBytes.length; servletResponse.setContentLength(bodyLen); if (bodyLen > 0 && servletResponse.getContentType() == null) { servletResponse.setContentType("text/plain"); } if (bodyLen > 0) { servletResponse.getOutputStream().write(restResponse.getBodyBytes()); } }
Example 6
Source File: JettyHttpHandlerAdapter.java From java-technology-stack with MIT License | 6 votes |
@Override protected void applyHeaders() { MediaType contentType = getHeaders().getContentType(); HttpServletResponse response = getNativeResponse(); if (response.getContentType() == null && contentType != null) { response.setContentType(contentType.toString()); } Charset charset = (contentType != null ? contentType.getCharset() : null); if (response.getCharacterEncoding() == null && charset != null) { response.setCharacterEncoding(charset.name()); } long contentLength = getHeaders().getContentLength(); if (contentLength != -1) { response.setContentLengthLong(contentLength); } }
Example 7
Source File: CoverArtController.java From airsonic with GNU General Public License v3.0 | 6 votes |
private void sendFallback(Integer size, HttpServletResponse response) throws IOException { if (response.getContentType() == null) { response.setContentType(StringUtil.getMimeType("jpeg")); } InputStream in = null; try { in = getClass().getResourceAsStream("default_cover.jpg"); BufferedImage image = ImageIO.read(in); if (size != null) { image = scale(image, size, size); } ImageIO.write(image, "jpeg", response.getOutputStream()); } finally { FileUtil.closeQuietly(in); } }
Example 8
Source File: Bug2928673.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain) throws IOException, ServletException { if (response instanceof HttpServletResponse) { final PrintWriter out = response.getWriter(); final HttpServletResponse wrapper = (HttpServletResponse) response; chain.doFilter(request, wrapper); final String origData = wrapper.getContentType(); if (LOGGER.isLoggable(Level.FINE)) { LOGGER.log(Level.FINE, "Hello"); } if ("text/html".equals(wrapper.getContentType())) { final CharArrayWriter caw = new CharArrayWriter(); final int bodyIndex = origData.indexOf("</body>"); if (-1 != bodyIndex) { caw.write(origData.substring(0, bodyIndex - 1)); caw.write("\n<p>My custom footer</p>"); caw.write("\n</body></html>"); response.setContentLength(caw.toString().length()); out.write(caw.toString()); } else { out.write(origData); } } else { out.write(origData); } out.close(); } else { chain.doFilter(request, response); } }
Example 9
Source File: EntityHttpServletResponse.java From sakai with Educational Community License v2.0 | 5 votes |
/** * Create a servlet response using the various values and codes stored in the given one, * makes copies mostly * @param response any valid response, cannot be null */ public EntityHttpServletResponse(HttpServletResponse response) { this.content = new ByteArrayOutputStream(512); this.outputStream = new EntityServletOutputStream(content); if (response == null) { throw new IllegalArgumentException("response to copy cannot be null"); } this.setBufferSize( response.getBufferSize() ); if (response.getContentType() != null) { this.setContentType( response.getContentType() ); } this.setLocale( response.getLocale() ); }
Example 10
Source File: CoverArtController.java From airsonic-advanced with GNU General Public License v3.0 | 5 votes |
private void sendFallback(Integer size, HttpServletResponse response) throws IOException { if (response.getContentType() == null) { response.setContentType(StringUtil.getMimeType("jpeg")); } try (InputStream in = getClass().getResourceAsStream("default_cover.jpg")) { BufferedImage image = ImageIO.read(in); if (size != null) { image = scale(image, size, size); } ImageIO.write(image, "jpeg", response.getOutputStream()); } }
Example 11
Source File: BeetlView.java From beetl2.0 with BSD 3-Clause "New" or "Revised" License | 5 votes |
public void render(HttpServletRequest req, HttpServletResponse resp, Object obj) throws Throwable { String child = evalPath(req, obj); if (child == null) { child = Mvcs.getActionContext().getPath(); } if (obj != null && req.getAttribute("obj") == null) req.setAttribute("obj", obj); if (resp.getContentType() == null) resp.setContentType("text/html"); render.render(child, req, new LazyResponseWrapper(resp)); }
Example 12
Source File: ServletResponseController.java From vespa with Apache License 2.0 | 5 votes |
private static void setHeaders_holdingLock(Response jdiscResponse, HttpServletResponse servletResponse) { for (final Map.Entry<String, String> entry : jdiscResponse.headers().entries()) { servletResponse.addHeader(entry.getKey(), entry.getValue()); } if (servletResponse.getContentType() == null) { servletResponse.setContentType("text/plain;charset=utf-8"); } }
Example 13
Source File: EntityHttpServletResponse.java From sakai with Educational Community License v2.0 | 5 votes |
/** * Create a servlet response using the various values and codes stored in the given one, * makes copies mostly * @param response any valid response, cannot be null */ public EntityHttpServletResponse(HttpServletResponse response) { this.content = new ByteArrayOutputStream(512); this.outputStream = new EntityServletOutputStream(content); if (response == null) { throw new IllegalArgumentException("response to copy cannot be null"); } this.setBufferSize( response.getBufferSize() ); if (response.getContentType() != null) { this.setContentType( response.getContentType() ); } this.setLocale( response.getLocale() ); }
Example 14
Source File: WebUtils.java From fast-family-master with Apache License 2.0 | 4 votes |
public static boolean isBinaryContent(final HttpServletResponse response) { return response.getContentType() != null && (response.getContentType() .startsWith("image") || response.getContentType().startsWith("video") || response .getContentType().startsWith("audio")); }
Example 15
Source File: ServiceResponseWrapFilter.java From ByteTCC with GNU Lesser General Public License v3.0 | 4 votes |
protected boolean responseContentTypeIsJson(HttpServletResponse response) { String responseContentType = response.getContentType(); return this.contentTypeIsJson(responseContentType); }
Example 16
Source File: ContentTypeFilter.java From orion.server with Eclipse Public License 1.0 | 4 votes |
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpRequest = (HttpServletRequest) request; HttpServletResponse httpResponse = (HttpServletResponse) response; chain.doFilter(request, response); // Defect 491041: post check to ensure every response includes a Content-Type header. if (httpResponse.getStatus() != HttpServletResponse.SC_NO_CONTENT) { String contentType = httpResponse.getContentType(); if (contentType == null) { String requestURI = httpRequest.getRequestURI(); if (requestURI != null) { String[] pathInfoParts = requestURI.split("\\/"); if (pathInfoParts.length == 0) { return; } String filename = pathInfoParts[pathInfoParts.length - 1]; if (filename.equals("defaults.pref") || filename.endsWith(".json") || filename.endsWith(".launch")) { httpResponse.setContentType(ProtocolConstants.CONTENT_TYPE_JSON); } else if (filename.endsWith(".md") || filename.endsWith(".yml")) { httpResponse.setContentType(ProtocolConstants.CONTENT_TYPE_PLAIN_TEXT); } else if (filename.endsWith(".css")) { httpResponse.setContentType(ProtocolConstants.CONTENT_TYPE_CSS); } else if (filename.endsWith(".js")) { httpResponse.setContentType(ProtocolConstants.CONTENT_TYPE_JAVASCRIPT); } else if (filename.endsWith(".woff")) { httpResponse.setContentType(ProtocolConstants.CONTENT_TYPE_FONT); } else { // see if we have a mime type to use as the content type String mimeType = httpRequest.getServletContext().getMimeType(filename); if (mimeType != null) { String newContentType = mimeType + "; charset=UTF-8"; httpResponse.setContentType(newContentType); } else { // fall back to using plain text content type httpResponse.setContentType(ProtocolConstants.CONTENT_TYPE_PLAIN_TEXT); } } } } } }
Example 17
Source File: WebUtils.java From fast-family-master with Apache License 2.0 | 4 votes |
public static boolean isMultipart(final HttpServletResponse response) { return response.getContentType() != null && (response.getContentType() .startsWith("multipart/form-data") || response.getContentType() .startsWith("application/octet-stream")); }
Example 18
Source File: MockFilterHandler.java From v-mock with MIT License | 4 votes |
/** * 成功场合 * * @param mockResponse * @param response */ private void successAndLog(MockUrl mockUrl, MockResponse mockResponse, HttpServletRequest request, HttpServletResponse response) { // 日志处理,只有成功命中的场合才记录详细,防止产生过多垃圾数据。 JSONObject responseDetailJson = new JSONObject(); MockLog mockLog = new MockLog(); // 命中url,系统中配置的,可能是带path占位符的 mockLog.setHitUrl(mockUrl.getUrl()); // 实际url mockLog.setRequestUrl(getProcessedUrl(request)); // ip mockLog.setRequestIp(ServletUtil.getClientIP(request)); // request method mockLog.setRequestMethod(request.getMethod()); // request detail mockLog.setRequestDetail(requestToJson(request)); // header逻辑处理 String customHeader = mockResponse.getCustomHeader(); if (StrUtil.isNotBlank(customHeader)) { // 将custom header存储的json 反序列化,并遍历存入header. JSONArray jsonArray = new JSONArray(customHeader); jsonArray.forEach(jsonItem -> { String key = ((JSONObject) jsonItem).getStr("key"); String val = ((JSONObject) jsonItem).getStr("val"); response.addHeader(key, val); }); // header responseDetailJson.put("respHeader", jsonArray); } // 默认返回contentType为json String contentType = response.getContentType(); if (StrUtil.isBlank(contentType)) { response.setContentType(ContentType.JSON.toString(UTF_8)); } // 响应http码 responseDetailJson.put("respStatus", mockResponse.getStatusCode()); response.setStatus(mockResponse.getStatusCode()); // 相应内容 responseDetailJson.put("respContent", mockResponse.getContent()); mockLog.setResponseDetail(responseDetailJson.toString()); // 异步插入 logService.asyncInsert(mockLog); outMsg(mockResponse.getContent(), response); }
Example 19
Source File: ETagServletFilter.java From jease with GNU General Public License v3.0 | 4 votes |
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest req = (HttpServletRequest) request; Matcher m = subPathPattern.matcher(getSubPathCheckURL(req)); if (!m.matches()) { chain.doFilter(request, response); return; } HttpServletResponse resp = (HttpServletResponse) response; ETagResponseWrapper wrapResp = new ETagResponseWrapper(resp); chain.doFilter(request, wrapResp); byte[] bytes = wrapResp.getCaptureAsBytes(); LOGGER.info("Response bytes length = " + bytes.length); if (contentTypePattern != null) { String contentType = resp.getContentType(); if (contentType == null || !contentTypePattern.matcher(contentType).matches()) { LOGGER.info("Non-supported content: " + contentType); writeResp(bytes, resp); return; } } String resourcePath = getResourcePathFromRequest(req); String token = ETagHashUtils.getMd5Digest(bytes, resourcePath); if (isEmpty(token)) { writeResp(bytes, resp); return; } resp.setHeader(ETAG_HEADER, token); String previousToken = req.getHeader(IF_NONE_MATCH_HEADER); if (previousToken != null && previousToken.equals(token)) { // compare previous token with current one LOGGER.info(ETAG_HEADER + " match: returning '304 Not Modified'"); resp.sendError(HttpServletResponse.SC_NOT_MODIFIED); resp.setHeader(LAST_MODIFIED_HEADER, resp.getHeader(IF_MODIFIED_SINCE_HEADER)); } else { // first time through - set last modified time to now Calendar cal = Calendar.getInstance(); cal.set(Calendar.MILLISECOND, 0); Date lastModified = cal.getTime(); resp.setDateHeader(LAST_MODIFIED_HEADER, lastModified.getTime()); writeResp(bytes, resp); } }
Example 20
Source File: AbstractTemplateView.java From lams with GNU General Public License v2.0 | 2 votes |
/** * Apply this view's content type as specified in the "contentType" * bean property to the given response. * <p>Only applies the view's contentType if no content type has been * set on the response before. This allows handlers to override the * default content type beforehand. * @param response current HTTP response * @see #setContentType */ protected void applyContentType(HttpServletResponse response) { if (response.getContentType() == null) { response.setContentType(getContentType()); } }