Java Code Examples for javax.servlet.http.HttpServletResponse#getCharacterEncoding()
The following examples show how to use
javax.servlet.http.HttpServletResponse#getCharacterEncoding() .
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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: TomcatHttpHandlerAdapter.java From java-technology-stack 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 5
| 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 6
| Source File: UrlRewritingResponseWrapper.java From development with Apache License 2.0 | 6 votes |
|
/**
* Basic constructor.
*
* pock: For BES we use a new server for every request. We can't determine
* this server from the serverChain --> use the server of the request as
* parameter (Bug 5487)
*
* @param response
* The response we are wrapping
* @param server
* The server that was matched
* @param ownHostName
* String we are rewriting servers to
* @throws IOException
* When there is a problem with the streams
*/
public UrlRewritingResponseWrapper(HttpServletResponse response,
Server server, String ownHostName, String contextPath,
ServerChain serverChain) throws IOException {
super(response);
this.server = server;
this.ownHostName = ownHostName;
this.contextPath = contextPath;
this.serverChain = serverChain;
log = LogFactory.getLog(UrlRewritingResponseWrapper.class);
outStream = new UrlRewritingOutputStream(response.getOutputStream(),
contextPath, response
.getCharacterEncoding());
outWriter = new PrintWriter(outStream);
originalWriter = new PrintWriter(response.getOutputStream());
}
Example 7
| Source File: ServletExportHandler.java From spacewalk with GNU General Public License v2.0 | 5 votes |
|
/**
* Write the contents of the ExportWriter to the HttpServletResponse
* @param response to write the contents of the ExportWriter to
* @param pageList List of data to be exported to the Response
* @throws IOException if there is an error trying to write to the Response
*/
public void writeExporterToOutput(HttpServletResponse response,
List pageList) throws IOException {
String charSet = response.getCharacterEncoding();
response.setContentType(writer.getMimeType() + ";charset=" + charSet);
response.setHeader("Content-Disposition", "attachment; filename=download." +
writer.getFileExtension());
writer.write(pageList);
OutputStream out = response.getOutputStream();
out.write(writer.getContents().getBytes());
out.flush();
}
Example 8
| Source File: FileDownloadAction.java From spacewalk with GNU General Public License v2.0 | 5 votes |
|
/** {@inheritDoc} */
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
Map params = makeParamMap(request);
ConfigFileForm cff = (ConfigFileForm) form;
request.setAttribute(CSRF_TOKEN, request.getSession().getAttribute("csrf_token"));
request.setAttribute("documentation", ConfigDefaults.get().isDocAvailable());
ConfigRevision cr = ConfigActionHelper.findRevision(request);
String charSet = response.getCharacterEncoding();
String mimeType = getMimeType(cr);
response.setContentType(mimeType + ";charset=" + charSet);
response.setHeader("Content-Disposition", "attachment; filename=" +
getDownloadFilename(cr));
try {
OutputStream out = response.getOutputStream();
out.write(cr.getConfigContent().getContents());
out.flush();
}
catch (IOException ioe) {
ActionMessages msgs = new ActionMessages();
ActionMessage am =
new ActionMessage("filedetails.jsp.error.download",
ioe.getLocalizedMessage(),
cr.getConfigFile().getConfigFileName().getPath());
msgs.add(ActionMessages.GLOBAL_MESSAGE, am);
saveMessages(request, msgs);
}
cff.updateFromRevision(request, cr);
return null;
}
Example 9
| Source File: cfIncludeHttpServletResponseWrapper.java From openbd-core with GNU General Public License v3.0 | 5 votes |
|
public cfIncludeHttpServletResponseWrapper( HttpServletResponse response ) {
super( response );
res = response;
encoding = response.getCharacterEncoding();
outputBuffer = new ByteArrayOutputStream( 8192 );
responseHeaders = new cfStructData();
outWriter = null;
statusCode = SC_OK;
}
Example 10
| Source File: ServletExportHandler.java From uyuni with GNU General Public License v2.0 | 5 votes |
|
/**
* Write the contents of the ExportWriter to the HttpServletResponse
* @param response to write the contents of the ExportWriter to
* @param pageList List of data to be exported to the Response
* @throws IOException if there is an error trying to write to the Response
*/
public void writeExporterToOutput(HttpServletResponse response,
List pageList) throws IOException {
String charSet = response.getCharacterEncoding();
response.setContentType(writer.getMimeType() + ";charset=" + charSet);
response.setHeader("Content-Disposition", "attachment; filename=download." +
writer.getFileExtension());
writer.write(pageList);
OutputStream out = response.getOutputStream();
out.write(writer.getContents().getBytes());
out.flush();
}
Example 11
| Source File: FileDownloadAction.java From uyuni with GNU General Public License v2.0 | 5 votes |
|
/** {@inheritDoc} */
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
Map params = makeParamMap(request);
ConfigFileForm cff = (ConfigFileForm) form;
request.setAttribute(CSRF_TOKEN, request.getSession().getAttribute("csrf_token"));
request.setAttribute("documentation", ConfigDefaults.get().isDocAvailable());
ConfigRevision cr = ConfigActionHelper.findRevision(request);
String charSet = response.getCharacterEncoding();
String mimeType = getMimeType(cr);
response.setContentType(mimeType + ";charset=" + charSet);
response.setHeader("Content-Disposition", "attachment; filename=" +
getDownloadFilename(cr));
try {
OutputStream out = response.getOutputStream();
out.write(cr.getConfigContent().getContents());
out.flush();
}
catch (IOException ioe) {
ActionMessages msgs = new ActionMessages();
ActionMessage am =
new ActionMessage("filedetails.jsp.error.download",
ioe.getLocalizedMessage(),
cr.getConfigFile().getConfigFileName().getPath());
msgs.add(ActionMessages.GLOBAL_MESSAGE, am);
saveMessages(request, msgs);
}
cff.updateFromRevision(request, cr);
return null;
}
Example 12
| Source File: DefaultCharacterEncodingServlet.java From quarkus-http with Apache License 2.0 | 5 votes |
|
@Override
protected void service(final HttpServletRequest req, final HttpServletResponse resp) throws ServletException, IOException {
String requestCharacterEncoding = req.getCharacterEncoding();
String responseCharacterEncoding = resp.getCharacterEncoding();
PrintWriter writer = resp.getWriter();
writer.write(String.format("requestCharacterEncoding=%s;responseCharacterEncoding=%s;",
requestCharacterEncoding, responseCharacterEncoding));
writer.close();
}
Example 13
| Source File: SSIFilter.java From Tomcat7.0.67 with Apache License 2.0 | 4 votes |
|
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// cast once
HttpServletRequest req = (HttpServletRequest)request;
HttpServletResponse res = (HttpServletResponse)response;
// indicate that we're in SSI processing
req.setAttribute(Globals.SSI_FLAG_ATTR, "true");
// setup to capture output
ByteArrayServletOutputStream basos = new ByteArrayServletOutputStream();
ResponseIncludeWrapper responseIncludeWrapper =
new ResponseIncludeWrapper(config.getServletContext(),req, res, basos);
// process remainder of filter chain
chain.doFilter(req, responseIncludeWrapper);
// we can't assume the chain flushed its output
responseIncludeWrapper.flushOutputStreamOrWriter();
byte[] bytes = basos.toByteArray();
// get content type
String contentType = responseIncludeWrapper.getContentType();
// is this an allowed type for SSI processing?
if (contentTypeRegEx.matcher(contentType).matches()) {
String encoding = res.getCharacterEncoding();
// set up SSI processing
SSIExternalResolver ssiExternalResolver =
new SSIServletExternalResolver(config.getServletContext(), req,
res, isVirtualWebappRelative, debug, encoding);
SSIProcessor ssiProcessor = new SSIProcessor(ssiExternalResolver,
debug, allowExec);
// prepare readers/writers
Reader reader =
new InputStreamReader(new ByteArrayInputStream(bytes), encoding);
ByteArrayOutputStream ssiout = new ByteArrayOutputStream();
PrintWriter writer =
new PrintWriter(new OutputStreamWriter(ssiout, encoding));
// do SSI processing
long lastModified = ssiProcessor.process(reader,
responseIncludeWrapper.getLastModified(), writer);
// set output bytes
writer.flush();
bytes = ssiout.toByteArray();
// override headers
if (expires != null) {
res.setDateHeader("expires", (new java.util.Date()).getTime()
+ expires.longValue() * 1000);
}
if (lastModified > 0) {
res.setDateHeader("last-modified", lastModified);
}
res.setContentLength(bytes.length);
Matcher shtmlMatcher =
shtmlRegEx.matcher(responseIncludeWrapper.getContentType());
if (shtmlMatcher.matches()) {
// Convert shtml mime type to ordinary html mime type but preserve
// encoding, if any.
String enc = shtmlMatcher.group(1);
res.setContentType("text/html" + ((enc != null) ? enc : ""));
}
}
// write output
OutputStream out = null;
try {
out = res.getOutputStream();
} catch (IllegalStateException e) {
// Ignore, will try to use a writer
}
if (out == null) {
res.getWriter().write(new String(bytes));
} else {
out.write(bytes);
}
}
Example 14
| Source File: SSIFilter.java From tomcatsrc with Apache License 2.0 | 4 votes |
|
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// cast once
HttpServletRequest req = (HttpServletRequest)request;
HttpServletResponse res = (HttpServletResponse)response;
// indicate that we're in SSI processing
req.setAttribute(Globals.SSI_FLAG_ATTR, "true");
// setup to capture output
ByteArrayServletOutputStream basos = new ByteArrayServletOutputStream();
ResponseIncludeWrapper responseIncludeWrapper =
new ResponseIncludeWrapper(config.getServletContext(),req, res, basos);
// process remainder of filter chain
chain.doFilter(req, responseIncludeWrapper);
// we can't assume the chain flushed its output
responseIncludeWrapper.flushOutputStreamOrWriter();
byte[] bytes = basos.toByteArray();
// get content type
String contentType = responseIncludeWrapper.getContentType();
// is this an allowed type for SSI processing?
if (contentTypeRegEx.matcher(contentType).matches()) {
String encoding = res.getCharacterEncoding();
// set up SSI processing
SSIExternalResolver ssiExternalResolver =
new SSIServletExternalResolver(config.getServletContext(), req,
res, isVirtualWebappRelative, debug, encoding);
SSIProcessor ssiProcessor = new SSIProcessor(ssiExternalResolver,
debug, allowExec);
// prepare readers/writers
Reader reader =
new InputStreamReader(new ByteArrayInputStream(bytes), encoding);
ByteArrayOutputStream ssiout = new ByteArrayOutputStream();
PrintWriter writer =
new PrintWriter(new OutputStreamWriter(ssiout, encoding));
// do SSI processing
long lastModified = ssiProcessor.process(reader,
responseIncludeWrapper.getLastModified(), writer);
// set output bytes
writer.flush();
bytes = ssiout.toByteArray();
// override headers
if (expires != null) {
res.setDateHeader("expires", (new java.util.Date()).getTime()
+ expires.longValue() * 1000);
}
if (lastModified > 0) {
res.setDateHeader("last-modified", lastModified);
}
res.setContentLength(bytes.length);
Matcher shtmlMatcher =
shtmlRegEx.matcher(responseIncludeWrapper.getContentType());
if (shtmlMatcher.matches()) {
// Convert shtml mime type to ordinary html mime type but preserve
// encoding, if any.
String enc = shtmlMatcher.group(1);
res.setContentType("text/html" + ((enc != null) ? enc : ""));
}
}
// write output
OutputStream out = null;
try {
out = res.getOutputStream();
} catch (IllegalStateException e) {
// Ignore, will try to use a writer
}
if (out == null) {
res.getWriter().write(new String(bytes));
} else {
out.write(bytes);
}
}
Example 15
| Source File: DownloadDiffAction.java From uyuni with GNU General Public License v2.0 | 4 votes |
|
/**
* {@inheritDoc}
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) throws Exception {
RequestContext requestContext = new RequestContext(request);
User user = requestContext.getCurrentUser();
Long ocrid = requestContext.getRequiredParam("ocrid");
//Get the objects.
ConfigFile file = ConfigActionHelper.getFile(request);
ConfigRevision revision = ConfigActionHelper.getRevision(request, file);
ConfigRevision other = ConfigurationManager.getInstance()
.lookupConfigRevision(user, ocrid);
//Get the content that we will diff.
String[] rev = revision.getConfigContent().getContentsString().split("\n");
String[] orev = other.getConfigContent().getContentsString().split("\n");
Diff diff = new Diff(rev, orev);
String charSet = response.getCharacterEncoding();
String mimeType = "text/plain";
response.setContentType(mimeType + ";charset=" + charSet);
response.setHeader("Content-Disposition", "attachment; filename=rhnpatch");
try {
OutputStream out = response.getOutputStream();
OutputStreamWriter writer = new OutputStreamWriter(out);
String path = file.getConfigFileName().getPath();
String opath = other.getConfigFile().getConfigFileName().getPath();
Date date = revision.getCreated();
Date odate = other.getCreated();
writer.write(diff.patchDiff(path, opath, date, odate));
writer.flush();
return null;
}
catch (IOException ioe) {
ActionMessages msgs = new ActionMessages();
ActionMessage am =
new ActionMessage("filedetails.jsp.error.download",
ioe.getLocalizedMessage(),
file.getConfigFileName().getPath());
msgs.add(ActionMessages.GLOBAL_MESSAGE, am);
saveMessages(request, msgs);
}
return getStrutsDelegate().forwardParams(mapping.findForward(
RhnHelper.DEFAULT_FORWARD), request.getParameterMap());
}
Example 16
| Source File: CSVDownloadAction.java From uyuni with GNU General Public License v2.0 | 4 votes |
|
/**
* {@inheritDoc}
*/
protected StreamInfo getStreamInfo(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
HttpSession session = request.getSession(false);
if (null == session) {
throw new Exception("Missing session");
}
String exportColumns = getExportColumns(request, session);
List pageData = getPageData(request, session);
// Read the CSV separator from user preferences
User user = new RequestContext(request).getCurrentUser();
CSVWriter expW = new CSVWriter(new StringWriter(), user.getCsvSeparator());
String[] columns = exportColumns.split("\\s*,\\s*");
expW.setColumns(Arrays.asList(columns));
String header = getHeaderText(request, session);
if (header != null) {
expW.setHeaderText(header);
}
Elaborator elab = TagHelper.lookupElaboratorFor(
getUniqueName(request), request);
if (elab != null) {
elab.elaborate(pageData);
if (!pageData.isEmpty() && pageData.get(0) instanceof SystemSearchResult) {
pageData = mergeWithPartialResult(pageData,
(Map)session.getAttribute("ssr_" + request
.getParameter(QUERY_DATA)));
}
}
String contentType = expW.getMimeType() + ";charset=" +
response.getCharacterEncoding();
response.setHeader("Content-Disposition",
"attachment; filename=download." + expW.getFileExtension());
expW.write(pageData);
return new ByteArrayStreamInfo(contentType, expW.getContents().getBytes());
}
Example 17
| Source File: CSVDownloadAction.java From spacewalk with GNU General Public License v2.0 | 4 votes |
|
/**
* {@inheritDoc}
*/
protected StreamInfo getStreamInfo(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
HttpSession session = request.getSession(false);
if (null == session) {
throw new Exception("Missing session");
}
String exportColumns = getExportColumns(request, session);
List pageData = getPageData(request, session);
// Read the CSV separator from user preferences
User user = new RequestContext(request).getCurrentUser();
CSVWriter expW = new CSVWriter(new StringWriter(), user.getCsvSeparator());
String[] columns = exportColumns.split("\\s*,\\s*");
expW.setColumns(Arrays.asList(columns));
String header = getHeaderText(request, session);
if (header != null) {
expW.setHeaderText(header);
}
Elaborator elab = TagHelper.lookupElaboratorFor(
getUniqueName(request), request);
if (elab != null) {
elab.elaborate(pageData);
if (!pageData.isEmpty() && pageData.get(0) instanceof SystemSearchResult) {
pageData = mergeWithPartialResult(pageData,
(Map)session.getAttribute("ssr_" + request
.getParameter(QUERY_DATA)));
}
}
String contentType = expW.getMimeType() + ";charset=" +
response.getCharacterEncoding();
response.setHeader("Content-Disposition",
"attachment; filename=download." + expW.getFileExtension());
expW.write(pageData);
return new ByteArrayStreamInfo(contentType, expW.getContents().getBytes());
}
Example 18
| Source File: DownloadDiffAction.java From spacewalk with GNU General Public License v2.0 | 4 votes |
|
/**
* {@inheritDoc}
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) throws Exception {
RequestContext requestContext = new RequestContext(request);
User user = requestContext.getCurrentUser();
Long ocrid = requestContext.getRequiredParam("ocrid");
//Get the objects.
ConfigFile file = ConfigActionHelper.getFile(request);
ConfigRevision revision = ConfigActionHelper.getRevision(request, file);
ConfigRevision other = ConfigurationManager.getInstance()
.lookupConfigRevision(user, ocrid);
//Get the content that we will diff.
String[] rev = revision.getConfigContent().getContentsString().split("\n");
String[] orev = other.getConfigContent().getContentsString().split("\n");
Diff diff = new Diff(rev, orev);
String charSet = response.getCharacterEncoding();
String mimeType = "text/plain";
response.setContentType(mimeType + ";charset=" + charSet);
response.setHeader("Content-Disposition", "attachment; filename=rhnpatch");
try {
OutputStream out = response.getOutputStream();
OutputStreamWriter writer = new OutputStreamWriter(out);
String path = file.getConfigFileName().getPath();
String opath = other.getConfigFile().getConfigFileName().getPath();
Date date = revision.getCreated();
Date odate = other.getCreated();
writer.write(diff.patchDiff(path, opath, date, odate));
writer.flush();
return null;
}
catch (IOException ioe) {
ActionMessages msgs = new ActionMessages();
ActionMessage am =
new ActionMessage("filedetails.jsp.error.download",
ioe.getLocalizedMessage(),
file.getConfigFileName().getPath());
msgs.add(ActionMessages.GLOBAL_MESSAGE, am);
saveMessages(request, msgs);
}
return getStrutsDelegate().forwardParams(mapping.findForward(
RhnHelper.DEFAULT_FORWARD), request.getParameterMap());
}
Example 19
| Source File: SSIFilter.java From Tomcat8-Source-Read with MIT License | 4 votes |
|
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
// cast once
HttpServletRequest req = (HttpServletRequest)request;
HttpServletResponse res = (HttpServletResponse)response;
// setup to capture output
ByteArrayServletOutputStream basos = new ByteArrayServletOutputStream();
ResponseIncludeWrapper responseIncludeWrapper = new ResponseIncludeWrapper(res, basos);
// process remainder of filter chain
chain.doFilter(req, responseIncludeWrapper);
// we can't assume the chain flushed its output
responseIncludeWrapper.flushOutputStreamOrWriter();
byte[] bytes = basos.toByteArray();
// get content type
String contentType = responseIncludeWrapper.getContentType();
// is this an allowed type for SSI processing?
if (contentType != null && contentTypeRegEx.matcher(contentType).matches()) {
String encoding = res.getCharacterEncoding();
// set up SSI processing
SSIExternalResolver ssiExternalResolver =
new SSIServletExternalResolver(config.getServletContext(), req,
res, isVirtualWebappRelative, debug, encoding);
SSIProcessor ssiProcessor = new SSIProcessor(ssiExternalResolver,
debug, allowExec);
// prepare readers/writers
Reader reader =
new InputStreamReader(new ByteArrayInputStream(bytes), encoding);
ByteArrayOutputStream ssiout = new ByteArrayOutputStream();
PrintWriter writer =
new PrintWriter(new OutputStreamWriter(ssiout, encoding));
// do SSI processing
long lastModified = ssiProcessor.process(reader,
responseIncludeWrapper.getLastModified(), writer);
// set output bytes
writer.flush();
bytes = ssiout.toByteArray();
// override headers
if (expires != null) {
res.setDateHeader("expires", (new java.util.Date()).getTime()
+ expires.longValue() * 1000);
}
if (lastModified > 0) {
res.setDateHeader("last-modified", lastModified);
}
res.setContentLength(bytes.length);
Matcher shtmlMatcher =
shtmlRegEx.matcher(responseIncludeWrapper.getContentType());
if (shtmlMatcher.matches()) {
// Convert shtml mime type to ordinary html mime type but preserve
// encoding, if any.
String enc = shtmlMatcher.group(1);
res.setContentType("text/html" + ((enc != null) ? enc : ""));
}
}
// write output
OutputStream out = null;
try {
out = res.getOutputStream();
} catch (IllegalStateException e) {
// Ignore, will try to use a writer
}
if (out == null) {
res.getWriter().write(new String(bytes));
} else {
out.write(bytes);
}
}
