Examples with TimerTask java.util.TimerTask used on opensource projects

Example 21 with TimerTask

use of java.util.TimerTask in project che by eclipse.

the class ProjectTreeTracker method getDeleteOperation.

private Consumer<String> getDeleteOperation(String endpointId) {
    return it -> {
        timers.add(it);
        new Timer().schedule(new TimerTask() {

            @Override
            public void run() {
                if (timers.contains(it)) {
                    timers.remove(it);
                    ProjectTreeStateUpdateDto params = newDto(ProjectTreeStateUpdateDto.class).withPath(it).withType(DELETED);
                    transmitter.transmitOneToNone(endpointId, OUTGOING_METHOD, params);
                }
            }
        }, 1_000L);
    };
}

Example 22 with TimerTask

use of java.util.TimerTask in project jetty.project by eclipse.

the class MonitorTask method schedule.

/* ------------------------------------------------------------ */
/**
     * Schedule new timer task for specified monitor action
     * 
     * @param action monitor action
     */
public static void schedule(MonitorAction action) {
    TimerTask task = new MonitorTask(action);
    __timer.scheduleAtFixedRate(task, action.getPollDelay(), action.getPollInterval());
    __tasks.put(action.getID(), task);
}

Example 23 with TimerTask

use of java.util.TimerTask 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:&nbsp;</th>");
        pout.write("<td>" + Integer.toString(request.getContentLength()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getContentType:&nbsp;</th>");
        pout.write("<td>" + notag(request.getContentType()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getContextPath:&nbsp;</th>");
        pout.write("<td>" + request.getContextPath() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getDispatcherType:&nbsp;</th>");
        pout.write("<td>" + request.getDispatcherType() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getLocale:&nbsp;</th>");
        pout.write("<td>" + request.getLocale() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getLocalName:&nbsp;</th>");
        pout.write("<td>" + request.getLocalName() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getLocalAddr:&nbsp;</th>");
        pout.write("<td>" + request.getLocalAddr() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getLocalPort:&nbsp;</th>");
        pout.write("<td>" + Integer.toString(request.getLocalPort()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getMethod:&nbsp;</th>");
        pout.write("<td>" + notag(request.getMethod()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getPathInfo:&nbsp;</th>");
        pout.write("<td>" + notag(request.getPathInfo()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getPathTranslated:&nbsp;</th>");
        pout.write("<td>" + notag(request.getPathTranslated()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getProtocol:&nbsp;</th>");
        pout.write("<td>" + request.getProtocol() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getQueryString:&nbsp;</th>");
        pout.write("<td>" + notag(request.getQueryString()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRemoteAddr:&nbsp;</th>");
        pout.write("<td>" + request.getRemoteAddr() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRemoteHost:&nbsp;</th>");
        pout.write("<td>" + request.getRemoteHost() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRemotePort:&nbsp;</th>");
        pout.write("<td>" + request.getRemotePort() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRemoteUser:&nbsp;</th>");
        pout.write("<td>" + request.getRemoteUser() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRequestedSessionId:&nbsp;</th>");
        pout.write("<td>" + request.getRequestedSessionId() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRequestURI:&nbsp;</th>");
        pout.write("<td>" + notag(request.getRequestURI()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getRequestURL:&nbsp;</th>");
        pout.write("<td>" + notag(request.getRequestURL().toString()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getScheme:&nbsp;</th>");
        pout.write("<td>" + request.getScheme() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getServerName:&nbsp;</th>");
        pout.write("<td>" + notag(request.getServerName()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getServletPath:&nbsp;</th>");
        pout.write("<td>" + notag(request.getServletPath()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getServerPort:&nbsp;</th>");
        pout.write("<td>" + Integer.toString(request.getServerPort()) + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">getUserPrincipal:&nbsp;</th>");
        pout.write("<td>" + request.getUserPrincipal() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">isAsyncStarted():&nbsp;</th>");
        pout.write("<td>" + request.isAsyncStarted() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">isAsyncSupported():&nbsp;</th>");
        pout.write("<td>" + request.isAsyncSupported() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">isSecure():&nbsp;</th>");
        pout.write("<td>" + request.isSecure() + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">isUserInRole(admin):&nbsp;</th>");
        pout.write("<td>" + request.isUserInRole("admin") + "</td>");
        pout.write("</tr><tr>\n");
        pout.write("<th align=\"right\">encodeRedirectURL(/foo?bar):&nbsp;</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:&nbsp;</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) + ":&nbsp;</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) + ":&nbsp;</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:&nbsp;</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 + "]:&nbsp;</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()) + ":&nbsp;</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(".", " .") + ":&nbsp;</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 + ":&nbsp;</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(".", " .") + ":&nbsp;</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(".", " .") + ":&nbsp;</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(...):&nbsp;</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(...):&nbsp;</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(...):&nbsp;</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(...):&nbsp;</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(...):&nbsp;</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(...):&nbsp;</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(...):&nbsp;</th>");
                pout.write("<td>" + context.getRequestDispatcher(res.substring(cp.length())) + "</td>");
                pout.write("</tr><tr>\n");
                pout.write("<th align=\"right\">getServletContext().getContext(...).getRealPath(...):&nbsp;</th>");
                pout.write("<td>" + context.getRealPath(res.substring(cp.length())) + "</td>");
            }
            pout.write("</tr><tr>\n");
            pout.write("<th align=\"right\">this.getClass().getResource(...):&nbsp;</th>");
            pout.write("<td>" + this.getClass().getResource(res) + "</td>");
            pout.write("</tr><tr>\n");
            pout.write("<th align=\"right\">this.getClass().getClassLoader().getResource(...):&nbsp;</th>");
            pout.write("<td>" + this.getClass().getClassLoader().getResource(res) + "</td>");
            pout.write("</tr><tr>\n");
            pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResource(...):&nbsp;</th>");
            pout.write("<td>" + Thread.currentThread().getContextClassLoader().getResource(res) + "</td>");
            pout.write("</tr><tr>\n");
            pout.write("<th align=\"right\">Thread.currentThread().getContextClassLoader().getResources(...):&nbsp;</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 (&amp;AElig;): &AElig;<br/>");
        pout.write("Decimal (&amp;#7425;): &#7425;<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");
    }
}

Example 24 with TimerTask

use of java.util.TimerTask in project flux by eclipse.

the class BasicFuture method setTimeout.

/**
	 * Ensure that this future resolves or rejects within a certain time. 
	 * <p>
	 * If the future is already 'done' this does nothing otherwise it 
	 * schedules a timer task that rejects the future with a TimeoutException when
	 * the time limit is reached. 
	 */
public void setTimeout(long delay) {
    if (isDone()) {
        return;
    }
    timer().schedule(timeoutTask = new TimerTask() {

        @Override
        public void run() {
            reject(new TimeoutException());
        }
    }, delay);
    whenDone(new Runnable() {

        public void run() {
            timeoutTask.cancel();
            timeoutTask = null;
        }
    });
}

Example 25 with TimerTask

use of java.util.TimerTask in project flux by eclipse.

the class RabbitMQFluxClientTest method testChannelListener.

/**
	 * Use asynchronous connectToChannel and disconnectFromChannel together with channel listener
	 * to avoid race condition when sending / receiving messages.
	 */
public void testChannelListener() throws Exception {
    final String[] channels = { SUPER_USER, "Bob", "Alice" };
    final BasicFuture<Void> echoServiceReady = new BasicFuture<>();
    //resolves at end of callback spagetti sequence
    final BasicFuture<Void> theEnd = new BasicFuture<Void>();
    final Process<List<String>> root = new Process<List<String>>(SUPER_USER) {

        protected java.util.List<String> execute() throws Exception {
            final List<String> receivedMessages = new ArrayList<String>();
            echoServiceReady.get();
            conn.addMessageHandler(new MessageHandler("echoResponse") {

                @Override
                public void handle(String type, JSONObject message) {
                    try {
                        receivedMessages.add(message.getString("msg"));
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            });
            conn.addChannelListener(new IChannelListener() {

                public void disconnected(String oldChannel) {
                    String newChannel = nextChannel(oldChannel);
                    if (newChannel != null) {
                        conn.connectToChannel(newChannel);
                    } else {
                        theEnd.resolve(null);
                    }
                }

                @Override
                public void connected(final String currentChannel) {
                    try {
                        send("echoRequest", new JSONObject().put(USERNAME, currentChannel).put("msg", "Hello on channel " + currentChannel));
                        //Give some time for response
                        setTimeout(500, new TimerTask() {

                            public void run() {
                                try {
                                    conn.disconnectFromChannel(currentChannel);
                                } catch (Exception e) {
                                    e.printStackTrace();
                                }
                            }
                        });
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }

                private String nextChannel(String oldChannel) {
                    for (int i = 0; i < channels.length - 1; i++) {
                        if (channels[i].equals(oldChannel)) {
                            return channels[i + 1];
                        }
                    }
                    return null;
                }
            });
            conn.disconnectFromChannel(channels[0]);
            // must wait until callback spagetti finishes before allowing this process to terminate.
            theEnd.get();
            return receivedMessages;
        }
    };
    Process<Void> echoService = new Process<Void>(SUPER_USER) {

        protected Void execute() throws Exception {
            conn.addMessageHandler(new RequestResponseHandler(conn, "echoRequest") {
            });
            echoServiceReady.resolve(null);
            //once main process finished we can finish too
            await(root);
            return null;
        }

        ;
    };
    run(echoService, root);
    ArrayList<String> expected = new ArrayList<String>();
    for (int i = 1; i < channels.length; i++) {
        expected.add("Hello on channel " + channels[i]);
    }
    assertArrayEquals(expected.toArray(), root.result.get().toArray());
}