Examples with ServletOutputStream javax.servlet.ServletOutputStream used on opensource projects

Example 86 with ServletOutputStream

use of javax.servlet.ServletOutputStream in project leopard by tanhaichao.

the class FlushServlet method doGet.

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String category = request.getParameter("category");
    System.out.println("size:" + response.getBufferSize());
    System.out.println("response:" + response.getClass());
    // response.setBufferSize(10);
    System.out.println("size:" + response.getBufferSize());
    // response.setHeader("Transfer-Encoding", "chunked");
    response.setContentType("text/html; charset=UTF-8");
    // response.setContentLength(10);
    ServletOutputStream out = response.getOutputStream();
    out.println("<!--&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-->");
    out.println("<!--&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-->");
    out.println("<!--&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-->");
    out.println("start");
    for (int i = 0; i < 10; i++) {
        String line = i + ":linelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelinelineline time:" + new Date().toString() + "\n";
        out.println(line + "");
        out.flush();
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    // out.flush();
    out.close();
}

Example 87 with ServletOutputStream

use of javax.servlet.ServletOutputStream in project leopard by tanhaichao.

the class FileCacheView method createView.

protected JstlView createView(String viewName) {
    return new JstlView("/WEB-INF/jsp/" + viewName + ".jsp") {

        @Override
        protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
            ServletOutputStream output = response.getOutputStream();
            ServletContext servletContext = request.getServletContext();
            super.setServletContext(servletContext);
            CacheResponseWrapper cacheResponseWrapper = new CacheResponseWrapper(response);
            // System.err.println("renderMergedOutputModel");
            super.renderMergedOutputModel(model, request, cacheResponseWrapper);
            byte[] data = cacheResponseWrapper.getResponseData();
            String content = new String(data);
            response(content);
            output.write(data);
            output.flush();
        }
    };
}

Example 88 with ServletOutputStream

use of javax.servlet.ServletOutputStream in project openremote by openremote.

the class JSAPIWriter method writeJavaScript.

public void writeJavaScript(String base, HttpServletRequest req, HttpServletResponse resp, Map<String, ServiceRegistry> serviceRegistries) throws IOException {
    if (LOG.isLoggable(Level.FINE)) {
        LOG.fine("Starting JS API client");
    }
    // RESTEASY-776
    // before writing generated javascript, we generate Etag and compare it with client request.
    // If nothing changed, we send back 304 Not Modified for client browser to use cached js.
    String ifNoneMatch = req.getHeader("If-None-Match");
    String etag = generateEtag(serviceRegistries);
    resp.setHeader("Etag", etag);
    if (ifNoneMatch != null && ifNoneMatch.equals(etag)) {
        resp.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
        return;
    }
    for (Map.Entry<String, ServiceRegistry> entry : serviceRegistries.entrySet()) {
        String uri = base;
        if (entry.getKey() != null)
            uri += entry.getKey();
        StringWriter stringWriter = new StringWriter();
        PrintWriter writer = new PrintWriter(new BufferedWriter(stringWriter));
        writeJavaScript(uri, writer, entry.getValue());
        writer.flush();
        writer.close();
        if (clientIsGzipSupported(req)) {
            ByteArrayOutputStream compressedContent = new ByteArrayOutputStream();
            GZIPOutputStream gzipstream = new GZIPOutputStream(compressedContent);
            gzipstream.write(stringWriter.toString().getBytes(Charset.forName("utf-8")));
            gzipstream.finish();
            // get the compressed content
            byte[] compressedBytes = compressedContent.toByteArray();
            // set appropriate HTTP headers
            resp.setContentLength(compressedBytes.length);
            resp.addHeader("Content-Encoding", "gzip");
            ServletOutputStream output = resp.getOutputStream();
            output.write(compressedBytes);
            output.flush();
            output.close();
        } else {
            ServletOutputStream output = resp.getOutputStream();
            byte[] bytes = stringWriter.toString().getBytes(Charset.forName("utf-8"));
            resp.setContentLength(bytes.length);
            output.write(bytes);
            output.flush();
            output.close();
        }
    }
}

Example 89 with ServletOutputStream

use of javax.servlet.ServletOutputStream in project pentaho-kettle by pentaho.

the class AllocateServerSocketServletTest method testAllocateServerSocketServletEncodesParametersForHmtlResponse.

@Test
@PrepareForTest({ Encode.class })
public void testAllocateServerSocketServletEncodesParametersForHmtlResponse() throws ServletException, IOException {
    HttpServletRequest mockRequest = mock(HttpServletRequest.class);
    HttpServletResponse mockResponse = mock(HttpServletResponse.class);
    SocketPortAllocation mockSocketPortAllocation = mock(SocketPortAllocation.class);
    PowerMockito.spy(Encode.class);
    final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ServletOutputStream servletOutputStream = new ServletOutputStream() {

        @Override
        public void write(int b) throws IOException {
            byteArrayOutputStream.write(b);
        }
    };
    when(mockRequest.getContextPath()).thenReturn(AllocateServerSocketServlet.CONTEXT_PATH);
    when(mockRequest.getParameter(anyString())).thenReturn(ServletTestUtils.BAD_STRING_TO_TEST);
    when(mockResponse.getOutputStream()).thenReturn(servletOutputStream);
    when(mockTransformationMap.allocateServerSocketPort(anyInt(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString())).thenReturn(mockSocketPortAllocation);
    allocateServerSocketServlet.doGet(mockRequest, mockResponse);
    String response = byteArrayOutputStream.toString();
    // Pull out dynamic part of body, remove hardcoded html
    String dynamicBody = ServletTestUtils.getInsideOfTag("BODY", response).replaceAll("<p>", "").replaceAll("<br>", "").replaceAll("<H1>.+</H1>", "").replaceAll("--> port", "");
    assertFalse(ServletTestUtils.hasBadText(dynamicBody));
    PowerMockito.verifyStatic(atLeastOnce());
    Encode.forHtml(anyString());
}

Example 90 with ServletOutputStream

use of javax.servlet.ServletOutputStream in project pentaho-kettle by pentaho.

the class AllocateServerSocketServletIT method testAllocateServerSocketServletEncodesParametersForHmtlResponse.

@Test
public void testAllocateServerSocketServletEncodesParametersForHmtlResponse() throws ServletException, IOException {
    HttpServletRequest mockRequest = mock(HttpServletRequest.class);
    HttpServletResponse mockResponse = mock(HttpServletResponse.class);
    SocketPortAllocation mockSocketPortAllocation = mock(SocketPortAllocation.class);
    final ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    ServletOutputStream servletOutputStream = new ServletOutputStream() {

        @Override
        public void write(int b) throws IOException {
            byteArrayOutputStream.write(b);
        }
    };
    when(mockRequest.getContextPath()).thenReturn(AllocateServerSocketServlet.CONTEXT_PATH);
    when(mockRequest.getParameter(anyString())).thenReturn(ServletTestUtils.BAD_STRING);
    when(mockResponse.getOutputStream()).thenReturn(servletOutputStream);
    when(mockTransformationMap.allocateServerSocketPort(anyInt(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString(), anyString())).thenReturn(mockSocketPortAllocation);
    allocateServerSocketServlet.doGet(mockRequest, mockResponse);
    String response = byteArrayOutputStream.toString();
    // Pull out dynamic part of body, remove hardcoded html
    String dynamicBody = ServletTestUtils.getInsideOfTag("BODY", response).replaceAll("<p>", "").replaceAll("<br>", "").replaceAll("<H1>.+</H1>", "").replaceAll("--> port", "");
    assertFalse(ServletTestUtils.hasBadText(dynamicBody));
}