use of javax.servlet.ServletResponseWrapper in project jetty.project by eclipse.
the class Dump method doGet.
/* ------------------------------------------------------------ */
@Override
public void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
if (request.getRemoteUser() == null) {
try {
request.login("user", "password");
} catch (ServletException se) {
getServletContext().log(se.toString());
}
}
// Handle a dump of data
final String data = request.getParameter("data");
final String chars = request.getParameter("chars");
final String block = request.getParameter("block");
final String dribble = request.getParameter("dribble");
final boolean flush = request.getParameter("flush") != null ? Boolean.parseBoolean(request.getParameter("flush")) : false;
if (request.getPathInfo() != null && request.getPathInfo().toLowerCase(Locale.ENGLISH).indexOf("script") != -1) {
response.sendRedirect(response.encodeRedirectURL(getServletContext().getContextPath() + "/dump/info"));
return;
}
request.setCharacterEncoding("UTF-8");
if (request.getParameter("busy") != null) {
long end = System.currentTimeMillis() + Long.parseLong(request.getParameter("busy"));
while (System.currentTimeMillis() < end) {
}
}
if (request.getParameter("empty") != null) {
response.setStatus(200);
response.flushBuffer();
return;
}
if (request.getParameter("sleep") != null) {
try {
long s = Long.parseLong(request.getParameter("sleep"));
if (request.getHeader("Expect") != null && request.getHeader("Expect").indexOf("102") >= 0) {
Thread.sleep(s / 2);
response.sendError(102);
Thread.sleep(s / 2);
} else
Thread.sleep(s);
} catch (InterruptedException e) {
return;
} catch (Exception e) {
throw new ServletException(e);
}
}
if (request.getParameter("startAsync") != null && request.getAttribute("ASYNC") != Boolean.TRUE) {
request.setAttribute("ASYNC", Boolean.TRUE);
try {
final AsyncContext async = request.startAsync(request, response);
async.setTimeout(Long.parseLong(request.getParameter("startAsync")));
async.addListener(new AsyncListener() {
@Override
public void onTimeout(AsyncEvent event) throws IOException {
response.addHeader("Dump", "onTimeout");
try {
if (!dump(response, data, chars, block, dribble, flush)) {
response.setContentType("text/plain");
response.getOutputStream().println("EXPIRED");
}
async.complete();
} catch (IOException e) {
getServletContext().log("", e);
}
}
@Override
public void onStartAsync(AsyncEvent event) throws IOException {
response.addHeader("Dump", "onStartAsync");
}
@Override
public void onError(AsyncEvent event) throws IOException {
response.addHeader("Dump", "onError");
}
@Override
public void onComplete(AsyncEvent event) throws IOException {
response.addHeader("Dump", "onComplete");
}
});
if (request.getParameter("dispatch") != null) {
request.setAttribute("RESUME", Boolean.TRUE);
final long resume = Long.parseLong(request.getParameter("dispatch"));
_timer.schedule(new TimerTask() {
@Override
public void run() {
async.dispatch();
}
}, resume);
}
if (request.getParameter("complete") != null) {
final long complete = Long.parseLong(request.getParameter("complete"));
_timer.schedule(new TimerTask() {
@Override
public void run() {
try {
response.setContentType("text/html");
response.getOutputStream().println("<h1>COMPLETED</h1>");
async.complete();
} catch (Exception e) {
e.printStackTrace();
}
}
}, complete);
}
return;
} catch (Exception e) {
throw new ServletException(e);
}
}
request.setAttribute("Dump", this);
getServletContext().setAttribute("Dump", this);
// getServletContext().log("dump "+request.getRequestURI());
// Force a content length response
String length = request.getParameter("length");
if (length != null && length.length() > 0) {
response.setContentLength(Integer.parseInt(length));
}
// Handle a dump of data
if (dump(response, data, chars, block, dribble, flush))
return;
// handle an exception
String info = request.getPathInfo();
if (info != null && info.endsWith("Exception")) {
try {
throw (Throwable) Thread.currentThread().getContextClassLoader().loadClass(info.substring(1)).newInstance();
} catch (Throwable th) {
throw new ServletException(th);
}
}
// test a reset
String reset = request.getParameter("reset");
if (reset != null && reset.length() > 0) {
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
response.setHeader("SHOULD_NOT", "BE SEEN");
response.reset();
}
// handle an redirect
String redirect = request.getParameter("redirect");
if (redirect != null && redirect.length() > 0) {
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
response.sendRedirect(response.encodeRedirectURL(redirect));
try {
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
} catch (IOException e) {
// ignored as stream is closed.
}
return;
}
// handle an error
String error = request.getParameter("error");
if (error != null && error.length() > 0 && request.getAttribute(RequestDispatcher.ERROR_STATUS_CODE) == null) {
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
response.sendError(Integer.parseInt(error));
try {
response.getOutputStream().println("THIS SHOULD NOT BE SEEN!");
} catch (IllegalStateException e) {
try {
response.getWriter().println("NOR THIS!!");
} catch (IOException e2) {
}
} catch (IOException e) {
}
return;
}
// Handle a extra headers
String headers = request.getParameter("headers");
if (headers != null && headers.length() > 0) {
long h = Long.parseLong(headers);
for (int i = 0; i < h; i++) response.addHeader("Header" + i, "Value" + i);
}
String buffer = request.getParameter("buffer");
if (buffer != null && buffer.length() > 0)
response.setBufferSize(Integer.parseInt(buffer));
String charset = request.getParameter("charset");
if (charset == null)
charset = "UTF-8";
response.setCharacterEncoding(charset);
response.setContentType("text/html");
if (info != null && info.indexOf("Locale/") >= 0) {
try {
String locale_name = info.substring(info.indexOf("Locale/") + 7);
Field f = java.util.Locale.class.getField(locale_name);
response.setLocale((Locale) f.get(null));
} catch (Exception e) {
e.printStackTrace();
response.setLocale(Locale.getDefault());
}
}
String cn = request.getParameter("cookie");
String cv = request.getParameter("cookiev");
if (cn != null && cv != null) {
Cookie cookie = new Cookie(cn, cv);
if (request.getParameter("version") != null)
cookie.setVersion(Integer.parseInt(request.getParameter("version")));
cookie.setComment("Cookie from dump servlet");
response.addCookie(cookie);
}
String pi = request.getPathInfo();
if (pi != null && pi.startsWith("/ex")) {
OutputStream out = response.getOutputStream();
out.write("</H1>This text should be reset</H1>".getBytes());
if ("/ex0".equals(pi))
throw new ServletException("test ex0", new Throwable());
else if ("/ex1".equals(pi))
throw new IOException("test ex1");
else if ("/ex2".equals(pi))
throw new UnavailableException("test ex2");
else if (pi.startsWith("/ex3/"))
throw new UnavailableException("test ex3", Integer.parseInt(pi.substring(5)));
throw new RuntimeException("test");
}
if ("true".equals(request.getParameter("close")))
response.setHeader("Connection", "close");
String buffered = request.getParameter("buffered");
PrintWriter pout = null;
try {
pout = response.getWriter();
} catch (IllegalStateException e) {
pout = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), charset));
}
if (buffered != null)
pout = new PrintWriter(new BufferedWriter(pout, Integer.parseInt(buffered)));
try {
pout.write("<html>\n<body>\n");
pout.write("<h1>Dump Servlet</h1>\n");
pout.write("<table width=\"95%\">");
pout.write("<tr>\n");
pout.write("<th align=\"right\">getContentLength: </th>");
pout.write("<td>" + Integer.toString(request.getContentLength()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getContentType: </th>");
pout.write("<td>" + notag(request.getContentType()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getContextPath: </th>");
pout.write("<td>" + request.getContextPath() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getDispatcherType: </th>");
pout.write("<td>" + request.getDispatcherType() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocale: </th>");
pout.write("<td>" + request.getLocale() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocalName: </th>");
pout.write("<td>" + request.getLocalName() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocalAddr: </th>");
pout.write("<td>" + request.getLocalAddr() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocalPort: </th>");
pout.write("<td>" + Integer.toString(request.getLocalPort()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getMethod: </th>");
pout.write("<td>" + notag(request.getMethod()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getPathInfo: </th>");
pout.write("<td>" + notag(request.getPathInfo()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getPathTranslated: </th>");
pout.write("<td>" + notag(request.getPathTranslated()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getProtocol: </th>");
pout.write("<td>" + request.getProtocol() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getQueryString: </th>");
pout.write("<td>" + notag(request.getQueryString()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemoteAddr: </th>");
pout.write("<td>" + request.getRemoteAddr() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemoteHost: </th>");
pout.write("<td>" + request.getRemoteHost() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemotePort: </th>");
pout.write("<td>" + request.getRemotePort() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRemoteUser: </th>");
pout.write("<td>" + request.getRemoteUser() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRequestedSessionId: </th>");
pout.write("<td>" + request.getRequestedSessionId() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRequestURI: </th>");
pout.write("<td>" + notag(request.getRequestURI()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getRequestURL: </th>");
pout.write("<td>" + notag(request.getRequestURL().toString()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getScheme: </th>");
pout.write("<td>" + request.getScheme() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServerName: </th>");
pout.write("<td>" + notag(request.getServerName()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletPath: </th>");
pout.write("<td>" + notag(request.getServletPath()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServerPort: </th>");
pout.write("<td>" + Integer.toString(request.getServerPort()) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getUserPrincipal: </th>");
pout.write("<td>" + request.getUserPrincipal() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">isAsyncStarted(): </th>");
pout.write("<td>" + request.isAsyncStarted() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">isAsyncSupported(): </th>");
pout.write("<td>" + request.isAsyncSupported() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">isSecure(): </th>");
pout.write("<td>" + request.isSecure() + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">isUserInRole(admin): </th>");
pout.write("<td>" + request.isUserInRole("admin") + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">encodeRedirectURL(/foo?bar): </th>");
pout.write("<td>" + response.encodeRedirectURL("/foo?bar") + "</td>");
Enumeration<Locale> locales = request.getLocales();
while (locales.hasMoreElements()) {
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getLocales: </th>");
pout.write("<td>" + locales.nextElement() + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Other HTTP Headers:</big></th>");
Enumeration<String> h = request.getHeaderNames();
String name;
while (h.hasMoreElements()) {
name = (String) h.nextElement();
Enumeration<String> h2 = request.getHeaders(name);
while (h2.hasMoreElements()) {
String hv = (String) h2.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">" + notag(name) + ": </th>");
pout.write("<td>" + notag(hv) + "</td>");
}
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Parameters:</big></th>");
h = request.getParameterNames();
while (h.hasMoreElements()) {
name = (String) h.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">" + notag(name) + ": </th>");
pout.write("<td>" + notag(request.getParameter(name)) + "</td>");
String[] values = request.getParameterValues(name);
if (values == null) {
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">" + notag(name) + " Values: </th>");
pout.write("<td>" + "NULL!" + "</td>");
} else if (values.length > 1) {
for (int i = 0; i < values.length; i++) {
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">" + notag(name) + "[" + i + "]: </th>");
pout.write("<td>" + notag(values[i]) + "</td>");
}
}
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Cookies:</big></th>");
Cookie[] cookies = request.getCookies();
for (int i = 0; cookies != null && i < cookies.length; i++) {
Cookie cookie = cookies[i];
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">" + notag(cookie.getName()) + ": </th>");
pout.write("<td>" + notag(cookie.getValue()) + "</td>");
}
String content_type = request.getContentType();
if (content_type != null && !content_type.startsWith("application/x-www-form-urlencoded") && !content_type.startsWith("multipart/form-data")) {
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" valign=\"top\" colspan=\"2\"><big><br/>Content:</big></th>");
pout.write("</tr><tr>\n");
pout.write("<td><pre>");
char[] content = new char[4096];
int len;
try {
Reader in = request.getReader();
while ((len = in.read(content)) >= 0) pout.write(notag(new String(content, 0, len)));
} catch (IOException e) {
pout.write(e.toString());
}
pout.write("</pre></td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Request Attributes:</big></th>");
Enumeration<String> a = request.getAttributeNames();
while (a.hasMoreElements()) {
name = (String) a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\" valign=\"top\">" + name.replace(".", " .") + ": </th>");
Object value = request.getAttribute(name);
if (value instanceof File) {
File file = (File) value;
pout.write("<td>" + "<pre>" + file.getName() + " (" + file.length() + " " + new Date(file.lastModified()) + ")</pre>" + "</td>");
} else
pout.write("<td>" + "<pre>" + toString(request.getAttribute(name)) + "</pre>" + "</td>");
}
request.setAttribute("org.eclipse.jetty.servlet.MultiPartFilter.files", null);
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Servlet InitParameters:</big></th>");
a = getInitParameterNames();
while (a.hasMoreElements()) {
name = (String) a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">" + name + ": </th>");
pout.write("<td>" + toString(getInitParameter(name)) + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context InitParameters:</big></th>");
a = getServletContext().getInitParameterNames();
while (a.hasMoreElements()) {
name = (String) a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\" valign=\"top\">" + name.replace(".", " .") + ": </th>");
pout.write("<td>" + toString(getServletContext().getInitParameter(name)) + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Context Attributes:</big></th>");
a = getServletContext().getAttributeNames();
while (a.hasMoreElements()) {
name = (String) a.nextElement();
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\" valign=\"top\">" + name.replace(".", " .") + ": </th>");
pout.write("<td>" + "<pre>" + toString(getServletContext().getAttribute(name)) + "</pre>" + "</td>");
}
String res = request.getParameter("resource");
if (res != null && res.length() > 0) {
pout.write("</tr><tr>\n");
pout.write("<th align=\"left\" colspan=\"2\"><big><br/>Get Resource: \"" + res + "\"</big></th>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getResource(...): </th>");
try {
pout.write("<td>" + getServletContext().getResource(res) + "</td>");
} catch (Exception e) {
pout.write("<td>" + "" + e + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getResourcePaths(...): </th>");
try {
pout.write("<td>" + getServletContext().getResourcePaths(res) + "</td>");
} catch (Exception e) {
pout.write("<td>" + "" + e + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getRealPath(...): </th>");
try {
pout.write("<td>" + getServletContext().getRealPath(res) + "</td>");
} catch (Exception e) {
pout.write("<td>" + "" + e + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getContext(...): </th>");
ServletContext context = getServletContext().getContext(res);
pout.write("<td>" + context + "</td>");
if (context != null) {
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getContext(...).getResource(...): </th>");
try {
pout.write("<td>" + context.getResource(res) + "</td>");
} catch (Exception e) {
pout.write("<td>" + "" + e + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getContext(...).getResourcePaths(...): </th>");
try {
pout.write("<td>" + context.getResourcePaths(res) + "</td>");
} catch (Exception e) {
pout.write("<td>" + "" + e + "</td>");
}
String cp = context.getContextPath();
if (cp == null || "/".equals(cp))
cp = "";
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getContext(...).getRequestDispatcher(...): </th>");
pout.write("<td>" + context.getRequestDispatcher(res.substring(cp.length())) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">getServletContext().getContext(...).getRealPath(...): </th>");
pout.write("<td>" + context.getRealPath(res.substring(cp.length())) + "</td>");
}
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">this.getClass().getResource(...): </th>");
pout.write("<td>" + this.getClass().getResource(res) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">this.getClass().getClassLoader().getResource(...): </th>");
pout.write("<td>" + this.getClass().getClassLoader().getResource(res) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResource(...): </th>");
pout.write("<td>" + Thread.currentThread().getContextClassLoader().getResource(res) + "</td>");
pout.write("</tr><tr>\n");
pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResources(...): </th>");
Enumeration<URL> urls = Thread.currentThread().getContextClassLoader().getResources(res);
if (urls == null)
pout.write("<td>null</td>");
else
pout.write("<td>" + Collections.list(urls) + "</td>");
}
pout.write("</tr></table>\n");
/* ------------------------------------------------------------ */
pout.write("<h2>Request Wrappers</h2>\n");
ServletRequest rw = request;
int w = 0;
while (rw != null) {
pout.write((w++) + ": " + rw.getClass().getName() + "<br/>");
if (rw instanceof HttpServletRequestWrapper)
rw = ((HttpServletRequestWrapper) rw).getRequest();
else if (rw instanceof ServletRequestWrapper)
rw = ((ServletRequestWrapper) rw).getRequest();
else
rw = null;
}
/* ------------------------------------------------------------ */
pout.write("<h2>Response Wrappers</h2>\n");
ServletResponse rsw = response;
w = 0;
while (rsw != null) {
pout.write((w++) + ": " + rsw.getClass().getName() + "<br/>");
if (rsw instanceof HttpServletResponseWrapper)
rsw = ((HttpServletResponseWrapper) rsw).getResponse();
else if (rsw instanceof ServletResponseWrapper)
rsw = ((ServletResponseWrapper) rsw).getResponse();
else
rsw = null;
}
pout.write("<br/>");
pout.write("<h2>International Characters (UTF-8)</h2>");
pout.write("LATIN LETTER SMALL CAPITAL AE<br/>\n");
pout.write("Directly uni encoded(\\u1d01): ᴁ<br/>");
pout.write("HTML reference (&AElig;): Æ<br/>");
pout.write("Decimal (&#7425;): ᴁ<br/>");
pout.write("Javascript unicode (\\u1d01) : <script language='javascript'>document.write(\"ᴁ\");</script><br/>");
pout.write("<br/>");
pout.write("<h2>Form to generate GET content</h2>");
pout.write("<form method=\"GET\" action=\"" + response.encodeURL(getURI(request)) + "\">");
pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\">");
pout.write("</form>");
pout.write("<br/>");
pout.write("<h2>Form to generate POST content</h2>");
pout.write("<form method=\"POST\" accept-charset=\"utf-8\" action=\"" + response.encodeURL(getURI(request)) + "\">");
pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"value\"/><br/>\n");
pout.write("Select: <select multiple name=\"Select\">\n");
pout.write("<option>ValueA</option>");
pout.write("<option>ValueB1,ValueB2</option>");
pout.write("<option>ValueC</option>");
pout.write("</select><br/>");
pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
pout.write("</form>");
pout.write("<br/>");
pout.write("<h2>Form to generate UPLOAD content</h2>");
pout.write("<form method=\"POST\" enctype=\"multipart/form-data\" accept-charset=\"utf-8\" action=\"" + response.encodeURL(getURI(request)) + (request.getQueryString() == null ? "" : ("?" + request.getQueryString())) + "\">");
pout.write("TextField: <input type=\"text\" name=\"TextField\" value=\"comment\"/><br/>\n");
pout.write("File 1: <input type=\"file\" name=\"file1\" /><br/>\n");
pout.write("File 2: <input type=\"file\" name=\"file2\" /><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"Submit\"><br/>");
pout.write("</form>");
pout.write("<h2>Form to set Cookie</h2>");
pout.write("<form method=\"POST\" action=\"" + response.encodeURL(getURI(request)) + "\">");
pout.write("cookie: <input type=\"text\" name=\"cookie\" /><br/>\n");
pout.write("value: <input type=\"text\" name=\"cookiev\" /><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"setCookie\">");
pout.write("</form>\n");
pout.write("<h2>Form to get Resource</h2>");
pout.write("<form method=\"POST\" action=\"" + response.encodeURL(getURI(request)) + "\">");
pout.write("resource: <input type=\"text\" name=\"resource\" /><br/>\n");
pout.write("<input type=\"submit\" name=\"Action\" value=\"getResource\">");
pout.write("</form>\n");
} catch (Exception e) {
getServletContext().log("dump " + e);
}
String lines = request.getParameter("lines");
if (lines != null) {
char[] line = "<span>A line of characters. Blah blah blah blah. blooble blooble</span></br>\n".toCharArray();
for (int l = Integer.parseInt(lines); l-- > 0; ) {
pout.write("<span>" + l + " </span>");
pout.write(line);
}
}
pout.write("</body>\n</html>\n");
pout.close();
if (pi != null) {
if ("/ex4".equals(pi))
throw new ServletException("test ex4", new Throwable());
if ("/ex5".equals(pi))
throw new IOException("test ex5");
if ("/ex6".equals(pi))
throw new UnavailableException("test ex6");
}
}
use of javax.servlet.ServletResponseWrapper in project sling by apache.
the class ExternalServletContextWrapperTest method testUnwrappingDoubleWrappedResponse.
@Test
public void testUnwrappingDoubleWrappedResponse() {
final ServletResponse resp = context.mock(ServletResponse.class);
final ServletResponseWrapper wrapper = new ServletResponseWrapper(resp);
final ServletResponseWrapper wrapper2 = new ServletResponseWrapper(wrapper);
ServletResponse unwrapped = ExternalServletContextWrapper.RequestDispatcherWrapper.unwrapServletResponse(wrapper2);
assertEquals(resp, unwrapped);
}
use of javax.servlet.ServletResponseWrapper in project OpenOLAT by OpenOLAT.
the class DefaultDispatcher method serveResource.
/**
* Serve the specified resource, optionally including the data content.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param content Should the content be included?
* @param encoding The encoding to use if it is necessary to access the
* source as characters rather than as bytes
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet-specified error occurs
*/
protected void serveResource(HttpServletRequest request, HttpServletResponse response, boolean content, String encoding) throws IOException, ServletException {
boolean serveContent = content;
boolean debug = log.isDebug();
// Identify the requested resource path
String path = getRelativePath(request);
if (debug) {
if (serveContent)
log.debug("DefaultServlet.serveResource: Serving resource '" + path + "' headers and data");
else
log.debug("DefaultServlet.serveResource: Serving resource '" + path + "' headers only");
}
WebResourceRoot resources = getResources(request);
WebResource resource = resources.getResource(path);
if (!resource.exists()) {
// Check if we're included so we can return the appropriate
// missing resource name in the error
String requestUri = (String) request.getAttribute(RequestDispatcher.INCLUDE_REQUEST_URI);
if (requestUri == null) {
requestUri = request.getRequestURI();
} else {
// SRV.9.3 says we must throw a FNFE
throw new FileNotFoundException("defaultServlet.missingResource");
}
response.sendError(HttpServletResponse.SC_NOT_FOUND, requestUri);
return;
}
// ends with "/" or "\", return NOT FOUND
if (resource.isFile() && path.endsWith("/") || path.endsWith("\\")) {
// Check if we're included so we can return the appropriate
// missing resource name in the error
String requestUri = (String) request.getAttribute(RequestDispatcher.INCLUDE_REQUEST_URI);
if (requestUri == null) {
requestUri = request.getRequestURI();
}
response.sendError(HttpServletResponse.SC_NOT_FOUND, requestUri);
return;
}
boolean isError = response.getStatus() >= HttpServletResponse.SC_BAD_REQUEST;
boolean included = false;
// satisfied.
if (resource.isFile()) {
// Checking If headers
included = (request.getAttribute(RequestDispatcher.INCLUDE_CONTEXT_PATH) != null);
if (!included && !isError && !checkIfHeaders(request, response, resource)) {
return;
}
}
// Find content type.
String contentType = resource.getMimeType();
if (contentType == null) {
contentType = request.getServletContext().getMimeType(resource.getName());
resource.setMimeType(contentType);
}
// These need to reflect the original resource, not the potentially
// gzip'd version of the resource so get them now if they are going to
// be needed later
String eTag = null;
String lastModifiedHttp = null;
if (resource.isFile() && !isError) {
eTag = resource.getETag();
lastModifiedHttp = resource.getLastModifiedHttp();
}
// Serve a gzipped version of the file if present
boolean usingGzippedVersion = false;
if (gzip && !included && resource.isFile() && !path.endsWith(".gz")) {
WebResource gzipResource = resources.getResource(path + ".gz");
if (gzipResource.exists() && gzipResource.isFile()) {
Collection<String> varyHeaders = response.getHeaders("Vary");
boolean addRequired = true;
for (String varyHeader : varyHeaders) {
if ("*".equals(varyHeader) || "accept-encoding".equalsIgnoreCase(varyHeader)) {
addRequired = false;
break;
}
}
if (addRequired) {
response.addHeader("Vary", "accept-encoding");
}
if (checkIfGzip(request)) {
response.addHeader("Content-Encoding", "gzip");
resource = gzipResource;
usingGzippedVersion = true;
}
}
}
ArrayList<Range> ranges = null;
long contentLength = -1L;
if (resource.isDirectory()) {
contentType = "text/html;charset=UTF-8";
} else {
if (!isError) {
if (useAcceptRanges) {
// Accept ranges header
response.setHeader("Accept-Ranges", "bytes");
}
// Parse range specifier
ranges = parseRange(request, response, resource);
// ETag header
response.setHeader("ETag", eTag);
// Last-Modified header
response.setHeader("Last-Modified", lastModifiedHttp);
}
// Get content length
contentLength = resource.getContentLength();
// (silent) ISE when setting the output buffer size
if (contentLength == 0L) {
serveContent = false;
}
}
ServletOutputStream ostream = null;
PrintWriter writer = null;
if (serveContent) {
// Trying to retrieve the servlet output stream
try {
ostream = response.getOutputStream();
} catch (IllegalStateException e) {
// trying to serve a text file
if (!usingGzippedVersion && ((contentType == null) || (contentType.startsWith("text")) || (contentType.endsWith("xml")) || (contentType.contains("/javascript")))) {
writer = response.getWriter();
// Cannot reliably serve partial content with a Writer
ranges = FULL;
} else {
throw e;
}
}
}
// Check to see if a Filter, Valve of wrapper has written some content.
// If it has, disable range requests and setting of a content length
// since neither can be done reliably.
ServletResponse r = response;
long contentWritten = 0;
while (r instanceof ServletResponseWrapper) {
r = ((ServletResponseWrapper) r).getResponse();
}
if (contentWritten > 0) {
ranges = FULL;
}
if (resource.isDirectory() || isError || ((ranges == null || ranges.isEmpty()) && request.getHeader("Range") == null) || ranges == FULL) {
// Set the appropriate output headers
if (contentType != null) {
if (debug)
log.debug("DefaultServlet.serveFile: contentType='" + contentType + "'");
response.setContentType(contentType);
}
if (resource.isFile() && contentLength >= 0 && (!serveContent || ostream != null)) {
if (debug)
log.debug("DefaultServlet.serveFile: contentLength=" + contentLength);
// written to the response.
if (contentWritten == 0) {
response.setContentLengthLong(contentLength);
}
}
InputStream renderResult = null;
if (resource.isDirectory()) {
if (serveContent) {
// Serve the directory browser
// TODO tomcat render(getPathPrefix(request), resource);
renderResult = null;
}
}
// Copy the input stream to our output stream (if requested)
if (serveContent) {
resource.increaseDownloadCount();
try {
response.setBufferSize(output);
} catch (IllegalStateException e) {
// Silent catch
}
if (ostream == null) {
// content directly.
if (resource.isDirectory()) {
// render(getPathPrefix(request), resource);
renderResult = null;
} else {
renderResult = resource.getInputStream();
}
copy(resource, renderResult, writer, encoding);
} else {
// Output is via an InputStream
if (resource.isDirectory()) {
// render(getPathPrefix(request), resource);
renderResult = null;
} else {
renderResult = resource.getInputStream();
}
// the output (this method closes the stream)
if (renderResult != null) {
copy(renderResult, ostream);
}
}
}
} else {
// download counter
resource.increaseDownloadCount();
if ((ranges == null) || (ranges.isEmpty()))
return;
// Partial content response.
response.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
if (ranges.size() == 1) {
Range range = ranges.get(0);
response.addHeader("Content-Range", "bytes " + range.start + "-" + range.end + "/" + range.length);
long length = range.end - range.start + 1;
response.setContentLengthLong(length);
if (contentType != null) {
if (debug)
log.debug("DefaultServlet.serveFile: contentType='" + contentType + "'");
response.setContentType(contentType);
}
if (serveContent) {
try {
response.setBufferSize(output);
} catch (IllegalStateException e) {
// Silent catch
}
if (ostream != null) {
copy(resource, ostream, range);
} else {
// we should not get here
throw new IllegalStateException();
}
}
} else {
response.setContentType("multipart/byteranges; boundary=" + mimeSeparation);
if (serveContent) {
try {
response.setBufferSize(output);
} catch (IllegalStateException e) {
// Silent catch
}
if (ostream != null) {
copy(resource, ostream, ranges.iterator(), contentType);
} else {
// we should not get here
throw new IllegalStateException();
}
}
}
}
}
use of javax.servlet.ServletResponseWrapper in project tomcat70 by apache.
the class ApplicationDispatcher method wrapResponse.
/**
* Create and return a response wrapper that has been inserted in the
* appropriate spot in the response chain.
*/
private ServletResponse wrapResponse(State state) {
// Locate the response we should insert in front of
ServletResponse previous = null;
ServletResponse current = state.outerResponse;
while (current != null) {
if (state.hresponse == null && (current instanceof HttpServletResponse)) {
state.hresponse = (HttpServletResponse) current;
if (// Forward only needs hresponse
!state.including)
return null;
}
if (!(current instanceof ServletResponseWrapper))
break;
if (current instanceof ApplicationHttpResponse)
break;
if (current instanceof ApplicationResponse)
break;
previous = current;
current = ((ServletResponseWrapper) current).getResponse();
}
// Instantiate a new wrapper at this point and insert it in the chain
ServletResponse wrapper = null;
if ((current instanceof ApplicationHttpResponse) || (current instanceof Response) || (current instanceof HttpServletResponse))
wrapper = new ApplicationHttpResponse((HttpServletResponse) current, state.including);
else
wrapper = new ApplicationResponse(current, state.including);
if (previous == null)
state.outerResponse = wrapper;
else
((ServletResponseWrapper) previous).setResponse(wrapper);
state.wrapResponse = wrapper;
return (wrapper);
}
use of javax.servlet.ServletResponseWrapper in project tomcat70 by apache.
the class ApplicationDispatcher method unwrapResponse.
/**
* Unwrap the response if we have wrapped it.
*/
private void unwrapResponse(State state) {
if (state.wrapResponse == null)
return;
if (state.outerRequest.isAsyncStarted()) {
if (!state.outerRequest.getAsyncContext().hasOriginalRequestAndResponse()) {
return;
}
}
ServletResponse previous = null;
ServletResponse current = state.outerResponse;
while (current != null) {
// If we run into the container response we are done
if ((current instanceof Response) || (current instanceof ResponseFacade))
break;
// Remove the current response if it is our wrapper
if (current == state.wrapResponse) {
ServletResponse next = ((ServletResponseWrapper) current).getResponse();
if (previous == null)
state.outerResponse = next;
else
((ServletResponseWrapper) previous).setResponse(next);
break;
}
// Advance to the next response in the chain
previous = current;
current = ((ServletResponseWrapper) current).getResponse();
}
}
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