Example usage for javax.servlet.http HttpServletResponse getOutputStream

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse getOutputStream.

Prototype

public ServletOutputStream getOutputStream() throws IOException;

Source Link

Document

Returns a ServletOutputStream suitable for writing binary data in the response.

Usage

From source file:InsertClobToMySqlServlet.java

public void doGet(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {

    String clobData = null;//from   w  ww.ja  va2 s .c om
    Connection conn = null;

    String id = "001";
    String name = "fileName";
    String fileAsURL = "http://yourwebsite/fileName.dat";
    ServletOutputStream out = response.getOutputStream();

    response.setContentType("text/html");
    out.println("<html><head><title>Insert Clob To MySql Servlet</title></head>");

    try {
        conn = getConnection();
        clobData = getClobsContentAsString(fileAsURL);
        insertCLOB(conn, id, name, clobData);
        out.println("<body><h4>OK: inserted a new record with id=" + id + "</h4></body></html>");
    } catch (Exception e) {
        e.printStackTrace();
        out.println("<body><h4>Error: " + e.getMessage() + "</h4></body></html>");
    }
}

From source file:cs544.wamp_blog_engine.controller.UserController.java

@RequestMapping(value = "/image/{id}", method = RequestMethod.GET)
public void getUserImage(Model model, @PathVariable int id, HttpServletResponse response) {
    try {/*from w  w w.  j  a v a2s. c  o m*/
        User u = userService.getUser(id);
        if (u != null) {
            OutputStream out = response.getOutputStream();
            out.write(u.getProfilepic());
            response.flushBuffer();
        }
    } catch (IOException ex) {
        Logger.getLogger(UserController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:org.apache.hadoop.gateway.rm.dispatch.RMHaDispatchTest.java

@Test
public void testConnectivityFailure() throws Exception {
    String serviceName = "RESOURCEMANAGER";
    HaDescriptor descriptor = HaDescriptorFactory.createDescriptor();
    descriptor.addServiceConfig(/*  w w  w  .ja  v a 2s . c  om*/
            HaDescriptorFactory.createServiceConfig(serviceName, "true", "1", "1000", "2", "1000", null, null));
    HaProvider provider = new DefaultHaProvider(descriptor);
    URI uri1 = new URI("http://unreachable-host");
    URI uri2 = new URI("http://reachable-host");
    ArrayList<String> urlList = new ArrayList<>();
    urlList.add(uri1.toString());
    urlList.add(uri2.toString());
    provider.addHaService(serviceName, urlList);
    FilterConfig filterConfig = EasyMock.createNiceMock(FilterConfig.class);
    ServletContext servletContext = EasyMock.createNiceMock(ServletContext.class);

    EasyMock.expect(filterConfig.getServletContext()).andReturn(servletContext).anyTimes();
    EasyMock.expect(servletContext.getAttribute(HaServletContextListener.PROVIDER_ATTRIBUTE_NAME))
            .andReturn(provider).anyTimes();

    BasicHttpParams params = new BasicHttpParams();

    HttpUriRequest outboundRequest = EasyMock.createNiceMock(HttpRequestBase.class);
    EasyMock.expect(outboundRequest.getMethod()).andReturn("GET").anyTimes();
    EasyMock.expect(outboundRequest.getURI()).andReturn(uri1).anyTimes();
    EasyMock.expect(outboundRequest.getParams()).andReturn(params).anyTimes();

    HttpServletRequest inboundRequest = EasyMock.createNiceMock(HttpServletRequest.class);
    EasyMock.expect(inboundRequest.getRequestURL()).andReturn(new StringBuffer(uri2.toString())).once();
    EasyMock.expect(inboundRequest.getAttribute("dispatch.ha.failover.counter")).andReturn(new AtomicInteger(0))
            .once();
    EasyMock.expect(inboundRequest.getAttribute("dispatch.ha.failover.counter")).andReturn(new AtomicInteger(1))
            .once();

    HttpServletResponse outboundResponse = EasyMock.createNiceMock(HttpServletResponse.class);
    EasyMock.expect(outboundResponse.getOutputStream()).andAnswer(new IAnswer<ServletOutputStream>() {
        @Override
        public ServletOutputStream answer() throws Throwable {
            return new ServletOutputStream() {
                @Override
                public void write(int b) throws IOException {
                    throw new IOException("unreachable-host");
                }

                @Override
                public void setWriteListener(WriteListener arg0) {
                }

                @Override
                public boolean isReady() {
                    return false;
                }
            };
        }
    }).once();
    EasyMock.replay(filterConfig, servletContext, outboundRequest, inboundRequest, outboundResponse);
    Assert.assertEquals(uri1.toString(), provider.getActiveURL(serviceName));
    RMHaDispatch dispatch = new RMHaDispatch();
    dispatch.setHttpClient(new DefaultHttpClient());
    dispatch.setHaProvider(provider);
    dispatch.init();
    long startTime = System.currentTimeMillis();
    try {
        dispatch.executeRequest(outboundRequest, inboundRequest, outboundResponse);
    } catch (IOException e) {
        //this is expected after the failover limit is reached
    }
    long elapsedTime = System.currentTimeMillis() - startTime;
    Assert.assertEquals(uri2.toString(), provider.getActiveURL(serviceName));
    //test to make sure the sleep took place
    Assert.assertTrue(elapsedTime > 1000);
}

From source file:com.cloud.servlet.StaticResourceServletTest.java

private HttpServletResponse doGetTest(final String uri, final Map<String, String> headers)
        throws ServletException, IOException {
    final StaticResourceServlet servlet = Mockito.mock(StaticResourceServlet.class);
    Mockito.doCallRealMethod().when(servlet).doGet(Matchers.any(HttpServletRequest.class),
            Matchers.any(HttpServletResponse.class));
    final ServletContext servletContext = Mockito.mock(ServletContext.class);
    Mockito.when(servletContext.getRealPath(uri)).thenReturn(new File(rootDirectory, uri).getAbsolutePath());
    Mockito.when(servlet.getServletContext()).thenReturn(servletContext);

    final HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
    Mockito.when(request.getServletPath()).thenReturn(uri);
    Mockito.when(request.getHeader(Matchers.anyString())).thenAnswer(new Answer<String>() {

        @Override//from w w  w.  j  a  va  2  s. com
        public String answer(final InvocationOnMock invocation) throws Throwable {
            return headers.get(invocation.getArguments()[0]);
        }
    });
    final HttpServletResponse response = Mockito.mock(HttpServletResponse.class);
    final ServletOutputStream responseBody = Mockito.mock(ServletOutputStream.class);
    Mockito.when(response.getOutputStream()).thenReturn(responseBody);
    servlet.doGet(request, response);
    return response;
}

From source file:org.craftercms.engine.http.impl.HttpProxyImpl.java

protected void copyActualResponseBody(String responseBody, HttpServletResponse response) throws IOException {
    if (responseBody != null) {
        response.setContentLength(responseBody.length());
        OutputStream out = response.getOutputStream();
        out.write(responseBody.getBytes());
        out.flush();/*w  w  w . j  a  v  a 2s.c  om*/
    }
}

From source file:com.netflix.hollow.diff.ui.HollowUIRouter.java

protected boolean serveResource(HttpServletRequest req, HttpServletResponse resp, String resourceName) {
    try {//from w w  w  .java 2  s.  c om
        if (req.getParameter("contentType") != null) {
            resp.setContentType(resourceName);
        }

        InputStream is = this.getClass().getResourceAsStream("/" + resourceName);

        IOUtils.copy(is, resp.getOutputStream());
        return true;
    } catch (Exception e) {
        return false;
    }
}

From source file:com.qcadoo.view.internal.resource.module.UniversalResourceModule.java

@Override
public boolean serveResource(final HttpServletRequest request, final HttpServletResponse response) {
    Resource resource = getResourceFromURI(request.getRequestURI());
    if (resource != null && resource.exists()) {
        response.setContentType(getContentTypeFromURI(request));
        try {/*from   ww  w.j a  va  2s. co  m*/
            IOUtils.copy(resource.getInputStream(), response.getOutputStream());
        } catch (IOException e) {
            throw new IllegalStateException(e.getMessage(), e);
        }
        return true;
    } else {
        return false;
    }
}

From source file:com.thoughtworks.go.server.security.BasicAuthenticationFilter.java

private void generateResponse(HttpServletResponse httpResponse, String type, String msg) throws IOException {
    httpResponse.addHeader("WWW-Authenticate", "Basic realm=\"GoCD\"");
    httpResponse.setContentType(type);// w  ww .  ja  v  a 2  s  . c  om
    httpResponse.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    httpResponse.getOutputStream().print(msg);
}