本文整理汇总了Java中javax.servlet.http.HttpServletResponse.setContentLength方法的典型用法代码示例。如果您正苦于以下问题：Java HttpServletResponse.setContentLength方法的具体用法？Java HttpServletResponse.setContentLength怎么用？Java HttpServletResponse.setContentLength使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.servlet.http.HttpServletResponse的用法示例。
在下文中一共展示了HttpServletResponse.setContentLength方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doGet
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/plain");
resp.setCharacterEncoding("UTF-8");
if (!useChunks) {
// Longer than it needs to be because response will fail before
// it is complete
resp.setContentLength(100);
}
PrintWriter pw = resp.getWriter();
pw.print("line01");
pw.flush();
resp.flushBuffer();
pw.print("line02");
pw.flush();
resp.flushBuffer();
pw.print("line03");
// Now throw a RuntimeException to end this request
throw new ServletException("Deliberate failure");
}
示例2: displayPDF
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
private void displayPDF() throws IOException {
HttpServletResponse response = (HttpServletResponse) this.facesContext
.getExternalContext().getResponse();
response.reset();
response.setContentType(this.contentType);
response.setContentLength(this.content.length);
response.addHeader("Content-Disposition",
this.getDisplayType(this.displayType) + "; " + "filename="
+ this.filename);
response.addHeader("Accept-Ranges", "bytes");
BufferedOutputStream outputStream = new BufferedOutputStream(
response.getOutputStream());
outputStream.write(this.content);
outputStream.flush();
outputStream.close();
facesContext.responseComplete();
}
示例3: putHeaders
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
public static void putHeaders(HttpServletResponse response, HttpContent content, long contentLength, boolean etag)
{
long lml=content.getResource().lastModified();
if (lml>=0)
response.setDateHeader(HttpHeader.LAST_MODIFIED.asString(),lml);
if (contentLength==0)
contentLength=content.getContentLengthValue();
if (contentLength >=0)
{
if (contentLength<Integer.MAX_VALUE)
response.setContentLength((int)contentLength);
else
response.setHeader(HttpHeader.CONTENT_LENGTH.asString(),Long.toString(contentLength));
}
String ct=content.getContentTypeValue();
if (ct!=null && response.getContentType()==null)
response.setContentType(ct);
String ce=content.getContentEncodingValue();
if (ce!=null)
response.setHeader(HttpHeader.CONTENT_ENCODING.asString(),ce);
if (etag)
{
String et=content.getETagValue();
if (et!=null)
response.setHeader(HttpHeader.ETAG.asString(),et);
}
}
示例4: downloadPNG
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
private void downloadPNG(HttpServletResponse response, String workflowName) throws ServletException {
try {
// Base64 encoded PNG
String base64PNG = injector.getInstance(GraphvizService.class).renderAsPNG(workflowName);
byte[] bytes = Base64.getInstance().decode(base64PNG);
response.setContentType("application/force-download");
response.setContentLength(bytes.length);
response.setHeader("Content-Transfer-Encoding", "UTF-8");
response.setHeader("Content-Disposition", "attachment; filename=\"" + workflowName + ".png\"");
response.getOutputStream().write(bytes);
} catch (Exception exception) {
throw new ServletException(exception);
}
}
示例5: prepareResponse
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
public static void prepareResponse(HttpServletResponse response, String fileName, String mimeType, int fileSize) {
if ((mimeType == null) && (fileName != null)) {
String extension = FileNameUtil.getExtension(fileName);
mimeType = MimeTypes.getMimeType(extension);
}
if (mimeType != null) {
response.setContentType(mimeType);
}
if (fileSize >= 0) {
response.setContentLength(fileSize);
}
if (fileName != null) {
String name = FileNameUtil.getName(fileName);
response.setHeader("Content-Disposition", "attachment;filename=\"" + name + '\"');
}
}
示例6: train
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
private void train(HttpServletRequest request, HttpServletResponse response) throws Exception {
Long startMs;
Long endMs;
boolean json;
try {
String startMsString = request.getParameter(START_MS_PARAM);
String endMsString = request.getParameter(END_MS_PARAM);
startMs = Long.parseLong(startMsString);
endMs = Long.parseLong(endMsString);
json = wantJSON(request);
} catch (Exception e) {
throw new UserRequestException(e);
}
_kafkaCruiseControl.trainLoadModel(startMs, endMs);
String resp;
if (json) {
resp = "{\"message\": \"Load model training started.\"}";
setJSONResponseCode(request, response, HttpServletResponse.SC_OK);
} else {
resp = "Load model training started. Check status through " + getStateCheckUrl(request);
setResponseCode(response, HttpServletResponse.SC_OK);
}
response.setContentLength(resp.length());
response.getOutputStream().write(resp.getBytes(StandardCharsets.UTF_8));
response.getOutputStream().flush();
}
示例7: doGet
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setStatus(HttpServletResponse.SC_OK);
String name = req.getParameter("name");
String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + "TakeoutService/" + name;
File file = new File(path);
long length = file.length();
resp.setContentLength((int) length);
OutputStream out = resp.getOutputStream();
FileInputStream stream = new FileInputStream(file);
int count = -1;
byte[] buffer = new byte[1024];
while ((count = stream.read(buffer)) != -1) {
out.write(buffer, 0, count);
out.flush();
}
stream.close();
out.close();
}
示例8: downloadDot
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
private void downloadDot(HttpServletResponse response, String workflowName) throws ServletException {
try {
String dot = injector.getInstance(GraphvizService.class).createDotNotation(workflowName);
PrintWriter writer = response.getWriter();
response.setContentType("application/force-download");
response.setContentLength(dot.length());
response.setHeader("Content-Transfer-Encoding", "UTF-8");
response.setHeader("Content-Disposition", "attachment; filename=\"" + workflowName + ".dot\"");
BufferedReader reader = new BufferedReader(new StringReader(dot));
String line;
while((line = reader.readLine()) != null) {
writer.print(line);
writer.print("\n");
}
} catch (Exception exception) {
throw new ServletException(exception);
}
}
示例9: service
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
@Override
protected void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
increment();
try {
Thread.sleep(TestMaxConnections.soTimeout*4/5);
}catch (InterruptedException x) {
}
resp.setContentLength(0);
resp.flushBuffer();
decrement();
}
示例10: sendPartialData
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
/**
* Send a partial content response with the given range. If there are
* no satisfiable ranges, or if multiple ranges are requested, which
* is unsupported, respond with range not satisfiable.
*
* @param in stream to read from
* @param out stream to write to
* @param response http response to use
* @param contentLength for the response header
* @param ranges to write to respond with
* @throws IOException on error sending the response
*/
static void sendPartialData(FSDataInputStream in,
OutputStream out,
HttpServletResponse response,
long contentLength,
List<InclusiveByteRange> ranges)
throws IOException {
if (ranges == null || ranges.size() != 1) {
response.setContentLength(0);
response.setStatus(HttpServletResponse.SC_REQUESTED_RANGE_NOT_SATISFIABLE);
response.setHeader("Content-Range",
InclusiveByteRange.to416HeaderRangeString(contentLength));
} else {
InclusiveByteRange singleSatisfiableRange = ranges.get(0);
long singleLength = singleSatisfiableRange.getSize(contentLength);
response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
response.setHeader("Content-Range",
singleSatisfiableRange.toHeaderRangeString(contentLength));
copyFromOffset(in, out,
singleSatisfiableRange.getFirst(contentLength),
singleLength);
}
}
示例11: serve
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
protected static void serve( HttpServletResponse response, URL url ) throws IOException
{
try
{
final URLConnection urlConnection = url.openConnection();
response.setContentLength( urlConnection.getContentLength() );
response.setContentType( urlConnection.getContentType() );
try ( final InputStream input = urlConnection.getInputStream();
final OutputStream output = response.getOutputStream() )
{
final byte[] buffer = new byte[ 1024 ];
int bytesRead;
while ( ( bytesRead = input.read( buffer ) ) != -1 )
{
output.write( buffer, 0, bytesRead );
}
}
}
catch ( IOException e )
{
Log.warn( "Unable to serve the URL '{}' as proxied content.", url, e );
response.sendError( HttpServletResponse.SC_INTERNAL_SERVER_ERROR );
}
}
示例12: doGet
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setBufferSize(bufferSize);
resp.setContentType("text/plain");
resp.setCharacterEncoding("UTF-8");
resp.setContentLength(responseSize);
PrintWriter pw = resp.getWriter();
for (int i = 0; i < responseSize; i++) {
pw.append('X');
}
}
开发者ID:sunmingshuai，项目名称:apache-tomcat-7.0.73-with-comment，代码行数:15，代码来源:TestAbstractAjpProcessor.java
示例13: doFilter
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
final FilterChain chain) throws IOException, ServletException {
if (request instanceof HttpServletRequest) {
final HttpServletRequest req = ((HttpServletRequest) request);
final HttpServletResponse res = ((HttpServletResponse) response);
final String header = req.getHeader(SimpleAuth.HTTP_HEADER);
if (header != null) {
final String[] sp = header.split(" ");
// Authentication: torch TOKEN
if (sp.length == 2) {
final String scheme = sp[0], param = sp[1];
if (SimpleAuth.SCHEME.equals(scheme)) {
if (sa.verify(param)) {
chain.doFilter(request, response);
return;
}
}
}
}
if (!res.isCommitted()) {
final String err = "FORBIDDEN\r\n";
res.reset();
res.setStatus(HttpServletResponse.SC_FORBIDDEN);
res.setContentLength(err.length());
res.setContentType("text/plain");
res.setCharacterEncoding("ISO-8859-1");
res.setHeader("Pragma", "no-cache");
res.setHeader("Cache-Control", "private, no-cache, no-store, must-revalidate");
res.setHeader(getClass().getSimpleName(), "deny");
res.getWriter().print(err);
return;
}
}
if (!response.isCommitted()) {
response.reset();
}
throw new ServletException(new UnsupportedOperationException());
}
示例14: sendError
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
private void sendError(HttpServletResponse resp, String message, int status, String contentType) {
try {
resp.setContentType(contentType);
resp.setContentLength(message.length());
resp.setStatus(status);
PrintWriter writer = resp.getWriter();
writer.println(message);
writer.flush();
writer.close();
} catch (IOException e) {
log.error("Error response write error.", e);
}
}
示例15: thumbnail
import javax.servlet.http.HttpServletResponse; //导入方法依赖的package包/类
@RequestMapping(value = "/photos/thumbnail/{id}", method = GET)
public void thumbnail(HttpServletResponse response, @PathVariable Long id) {
PostImage image = postService.getPostImage(id);
String fileStoragePath = getFileStoragePath(image.getPostId());
File imageFile = new File(fileStoragePath + image.getThumbnailFilename());
response.setContentType(image.getContentType());
response.setContentLength(image.getThumbnailSize().intValue());
try {
InputStream is = new FileInputStream(imageFile);
IOUtils.copy(is, response.getOutputStream());
} catch (IOException e) {
logger.error("Could not show thumbnail " + id, e);
}
}