Example usage for javax.servlet.http HttpServletRequest getServletContext

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletRequest getServletContext.

Prototype

public ServletContext getServletContext();

Source Link

Document

Gets the servlet context to which this ServletRequest was last dispatched.

Usage

From source file:ro.fils.angularspring.controller.ProjectsController.java

@RequestMapping(method = RequestMethod.GET, value = "/downloadXML")
public void downloadXML(HttpServletRequest request, HttpServletResponse response)
        throws FileNotFoundException, IOException, BadElementException {
    ServletContext context = request.getServletContext();
    String appPath = context.getRealPath("");
    String fullPath = appPath + "Projects.xml";
    PDFCreator creator = new PDFCreator();
    creator.saveAsXML(projectsDocumentRepository.findOne(ConnectionUtils.PROJECTS_COLLECTION).getContent(),
            fullPath);// w ww.  java 2s. c  o  m
    System.out.println("appPath = " + appPath);

    File downloadFile = new File(fullPath);
    FileInputStream inputStream = new FileInputStream(downloadFile);

    // get MIME type of the file
    String mimeType = context.getMimeType(fullPath);
    if (mimeType == null) {
        // set to binary type if MIME mapping not found
        mimeType = "application/octet-stream";
    }
    System.out.println("MIME type: " + mimeType);

    // set content attributes for the response
    response.setContentType(mimeType);
    response.setContentLength((int) downloadFile.length());

    // set headers for the response
    String headerKey = "Content-Disposition";
    String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());
    response.setHeader(headerKey, headerValue);

    // get output stream of the response
    OutputStream outStream = response.getOutputStream();

    byte[] buffer = new byte[BUFFER_SIZE];
    int bytesRead = -1;

    // write bytes read from the input stream into the output stream
    while ((bytesRead = inputStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, bytesRead);
    }

    inputStream.close();
    outStream.close();

}

---

From source file:io.lavagna.web.support.ResourceController.java

@RequestMapping(value = { "/", //
        "user/{provider}/{username}", "user/{provider}/{username}/projects/",
        "user/{provider}/{username}/activity/", //
        "about", "about/third-party", //
        "search", //
        "search/" + PROJ_SHORT_NAME + "/" + BOARD_SHORT_NAME + "-" + CARD_SEQ, //
        PROJ_SHORT_NAME + "", //
        PROJ_SHORT_NAME + "/search", //
        PROJ_SHORT_NAME + "/search/" + BOARD_SHORT_NAME + "-" + CARD_SEQ, // /
        PROJ_SHORT_NAME + "/" + BOARD_SHORT_NAME, //
        PROJ_SHORT_NAME + "/statistics", //
        PROJ_SHORT_NAME + "/milestones", //
        PROJ_SHORT_NAME + "/milestones/" + BOARD_SHORT_NAME + "-" + CARD_SEQ, //
        PROJ_SHORT_NAME + "/" + BOARD_SHORT_NAME + "-" + CARD_SEQ }, method = RequestMethod.GET)
public void handleIndex(HttpServletRequest request, HttpServletResponse response) throws IOException {

    ServletContext context = request.getServletContext();

    if (contains(env.getActiveProfiles(), "dev") || indexTopTemplate.get() == null) {
        ByteArrayOutputStream indexTop = new ByteArrayOutputStream();
        try (InputStream is = context.getResourceAsStream("/WEB-INF/views/index-top.html")) {
            StreamUtils.copy(is, indexTop);
        }//from   w  w  w .j  av a2s. com
        indexTopTemplate.set(Mustache.compiler().escapeHTML(false)
                .compile(indexTop.toString(StandardCharsets.UTF_8.name())));
    }

    if (contains(env.getActiveProfiles(), "dev") || indexCache.get() == null) {
        ByteArrayOutputStream index = new ByteArrayOutputStream();
        output("/WEB-INF/views/index.html", context, index, new BeforeAfter());

        Map<String, Object> data = new HashMap<>();
        data.put("contextPath", request.getServletContext().getContextPath() + "/");

        data.put("version", version);

        List<String> inlineTemplates = prepareTemplates(context, "/app/");
        inlineTemplates.addAll(prepareTemplates(context, "/partials/"));
        data.put("inlineTemplates", inlineTemplates);

        indexCache.set(
                Mustache.compiler().escapeHTML(false).compile(index.toString(StandardCharsets.UTF_8.name()))
                        .execute(data).getBytes(StandardCharsets.UTF_8));
    }

    try (OutputStream os = response.getOutputStream()) {
        response.setContentType("text/html; charset=UTF-8");

        Map<String, Object> localizationData = new HashMap<>();
        Locale currentLocale = ObjectUtils.firstNonNull(request.getLocale(), Locale.ENGLISH);
        localizationData.put("firstDayOfWeek", Calendar.getInstance(currentLocale).getFirstDayOfWeek());

        StreamUtils.copy(indexTopTemplate.get().execute(localizationData).getBytes(StandardCharsets.UTF_8), os);
        StreamUtils.copy(indexCache.get(), os);
    }
}

---

From source file:ro.fils.angularspring.controller.ProjectsController.java

@RequestMapping(method = RequestMethod.GET, value = "/downloadPDF")
public void downloadPDF(HttpServletRequest request, HttpServletResponse response)
        throws FileNotFoundException, IOException, BadElementException {
    ServletContext context = request.getServletContext();
    String appPath = context.getRealPath("");
    String fullPath = appPath + "Projects.pdf";
    PDFCreator creator = new PDFCreator();
    projectConverter = new ProjectConverter();
    creator.saveAsPDF(/*w w  w.j  av a 2s  .c  o m*/
            projectConverter.readAll(
                    projectsDocumentRepository.findOne(ConnectionUtils.PROJECTS_COLLECTION).getContent()),
            fullPath);
    System.out.println("appPath = " + appPath);

    File downloadFile = new File(fullPath);
    FileInputStream inputStream = new FileInputStream(downloadFile);

    // get MIME type of the file
    String mimeType = context.getMimeType(fullPath);
    if (mimeType == null) {
        // set to binary type if MIME mapping not found
        mimeType = "application/octet-stream";
    }
    System.out.println("MIME type: " + mimeType);

    // set content attributes for the response
    response.setContentType(mimeType);
    response.setContentLength((int) downloadFile.length());

    // set headers for the response
    String headerKey = "Content-Disposition";
    String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());
    response.setHeader(headerKey, headerValue);

    // get output stream of the response
    OutputStream outStream = response.getOutputStream();

    byte[] buffer = new byte[BUFFER_SIZE];
    int bytesRead = -1;

    // write bytes read from the input stream into the output stream
    while ((bytesRead = inputStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, bytesRead);
    }

    inputStream.close();
    outStream.close();

}

---

From source file:org.apache.hadoop.gateway.dispatch.DefaultDispatchTest.java

@Test
public void testCallToNonSecureClusterWithoutDelegationToken() throws URISyntaxException, IOException {
    DefaultDispatch defaultDispatch = new DefaultDispatch();
    ServletContext servletContext = EasyMock.createNiceMock(ServletContext.class);
    GatewayConfig gatewayConfig = EasyMock.createNiceMock(GatewayConfig.class);
    EasyMock.expect(gatewayConfig.isHadoopKerberosSecured()).andReturn(false).anyTimes();
    EasyMock.expect(servletContext.getAttribute(GatewayConfig.GATEWAY_CONFIG_ATTRIBUTE))
            .andReturn(gatewayConfig).anyTimes();
    ServletInputStream inputStream = EasyMock.createNiceMock(ServletInputStream.class);
    HttpServletRequest inboundRequest = EasyMock.createNiceMock(HttpServletRequest.class);
    EasyMock.expect(inboundRequest.getInputStream()).andReturn(inputStream).anyTimes();
    EasyMock.expect(inboundRequest.getQueryString()).andReturn("a=123").anyTimes();
    EasyMock.expect(inboundRequest.getServletContext()).andReturn(servletContext).anyTimes();
    EasyMock.replay(gatewayConfig, servletContext, inboundRequest);
    HttpEntity httpEntity = defaultDispatch.createRequestEntity(inboundRequest);
    assertFalse("buffering in non secure cluster", (httpEntity instanceof PartiallyRepeatableHttpEntity));
}

---

From source file:org.apache.hadoop.gateway.dispatch.DefaultDispatchTest.java

@Test
public void testCallToSecureClusterWithoutDelegationToken() throws URISyntaxException, IOException {
    DefaultDispatch defaultDispatch = new DefaultDispatch();
    defaultDispatch.setReplayBufferSize(10);
    ServletContext servletContext = EasyMock.createNiceMock(ServletContext.class);
    GatewayConfig gatewayConfig = EasyMock.createNiceMock(GatewayConfig.class);
    EasyMock.expect(gatewayConfig.isHadoopKerberosSecured()).andReturn(Boolean.TRUE).anyTimes();
    EasyMock.expect(servletContext.getAttribute(GatewayConfig.GATEWAY_CONFIG_ATTRIBUTE))
            .andReturn(gatewayConfig).anyTimes();
    ServletInputStream inputStream = EasyMock.createNiceMock(ServletInputStream.class);
    HttpServletRequest inboundRequest = EasyMock.createNiceMock(HttpServletRequest.class);
    EasyMock.expect(inboundRequest.getQueryString()).andReturn("a=123").anyTimes();
    EasyMock.expect(inboundRequest.getInputStream()).andReturn(inputStream).anyTimes();
    EasyMock.expect(inboundRequest.getServletContext()).andReturn(servletContext).anyTimes();
    EasyMock.replay(gatewayConfig, servletContext, inboundRequest);
    HttpEntity httpEntity = defaultDispatch.createRequestEntity(inboundRequest);
    assertTrue("not buffering in the absence of delegation token",
            (httpEntity instanceof PartiallyRepeatableHttpEntity));
}

---

From source file:dijalmasilva.controllers.LugarController.java

@RequestMapping("/new")
public String newLugar(LugarForm l, HttpServletRequest req) {

    if (l == null) {
        req.setAttribute("result", "Algum dado inserido est invlido.");
    } else {//ww  w .j a  va2  s . c  o m
        Usuario usuarioLogado = (Usuario) req.getSession().getAttribute("usuarioLogado");
        Lugar newPlace = service.salvar(l.convertToLugar(), usuarioLogado);
        if (newPlace != null) {
            List<Lugar> todasOcorrencias = service.buscarTodos();
            req.getServletContext().setAttribute("todasOcorrencias", todasOcorrencias);
            req.setAttribute("result", "Ocorrncia registrada com sucesso!");
        } else {
            req.setAttribute("result",
                    "No foi possvel registrar a ocorrncia. \n Tente novamente mais tarde.!");
        }
    }

    return "home";
}

---

From source file:org.adeptnet.atlassian.common.Common.java

public void doSAMLRedirect(final HttpServletRequest request, final HttpServletResponse response,
        final String relayState) throws SAMLException, MessageEncodingException {
    if (!samlEnabled) {
        throw new SAMLException("SAML is not enabled");
    }/*from w ww.  ja v a2s.c om*/

    final SAMLClient client = getSAMLClient(request.getServletContext());
    client.doSAMLRedirect(response, relayState);
}

---

From source file:org.apache.hadoop.gateway.dispatch.DefaultDispatchTest.java

@Test
public void testCallToSecureClusterWithDelegationToken() throws URISyntaxException, IOException {
    DefaultDispatch defaultDispatch = new DefaultDispatch();
    ServletContext servletContext = EasyMock.createNiceMock(ServletContext.class);
    GatewayConfig gatewayConfig = EasyMock.createNiceMock(GatewayConfig.class);
    EasyMock.expect(gatewayConfig.isHadoopKerberosSecured()).andReturn(true).anyTimes();
    EasyMock.expect(servletContext.getAttribute(GatewayConfig.GATEWAY_CONFIG_ATTRIBUTE))
            .andReturn(gatewayConfig).anyTimes();
    ServletInputStream inputStream = EasyMock.createNiceMock(ServletInputStream.class);
    HttpServletRequest inboundRequest = EasyMock.createNiceMock(HttpServletRequest.class);
    EasyMock.expect(inboundRequest.getQueryString()).andReturn("delegation=123").anyTimes();
    EasyMock.expect(inboundRequest.getInputStream()).andReturn(inputStream).anyTimes();
    EasyMock.expect(inboundRequest.getServletContext()).andReturn(servletContext).anyTimes();
    EasyMock.replay(gatewayConfig, servletContext, inboundRequest);
    HttpEntity httpEntity = defaultDispatch.createRequestEntity(inboundRequest);
    assertFalse("buffering in the presence of delegation token",
            (httpEntity instanceof PartiallyRepeatableHttpEntity));
}

---

From source file:org.siphon.d2js.D2jsRunner.java

public void run(HttpServletRequest request, HttpServletResponse response, String method)
        throws ServletException, IOException {

    String requestPath = getServletPath(request);
    String jsfile = request.getServletContext().getRealPath(requestPath);
    ScriptObjectMirror d2js = null;//from  w  ww . j  a  v  a 2  s .  c o  m
    try {
        d2js = d2jsManager.getD2js(jsfile, requestPath);
        if (d2js == null) {
            response.setStatus(404);
            PrintWriter out = response.getWriter();
            out.print(request.getServletPath() + " not found");
            out.flush();
            return;
        }
    } catch (Exception e3) {
        logger.error("", e3);
        throw new ServletException(e3);
    }

    JsspRequest jsspRequest = new JsspRequest(request, engine);

    String params;
    try {
        params = getParams(jsspRequest);
    } catch (Exception e3) {
        response.setStatus(500);
        PrintWriter out = response.getWriter();
        out.print("{\"error\":{\"message\" : \"params must be json\"}}");
        out.flush();
        return;
    }

    formatter.writeHttpHeader(response);

    JsspWriter out = null;
    //Task task = null;
    MutableObject<Task> taskDocker = new MutableObject<>();
    try {
        out = new JsspWriter(response, engine);
        JsspSession session = new JsspSession(request.getSession());

        // ? native ? JO  ScrpiteObjectMirror ???
        ((Invocable) engine).invokeFunction("processRequest", jsfile, method, params, jsspRequest, response,
                session, out, taskDocker);
        //         d2js = (ScriptObjectMirror) d2js.callMember("clone");
        //         d2js.put("request", jsspRequest);
        //         d2js.put("response", response);
        //         d2js.put("session", session);
        //         d2js.put("out", out);
        //         d2js.put("task", task);
        //         Object result = d2js.callMember(method, params);
        //         if(JsTypeUtil.isNull(result)){
        //            out.print("{\"success\":true}");
        //         } else {
        //            out.print(this.json.stringify(result));
        //         }
        //
        Task task = taskDocker.getValue();
        if (task != null && task.getCallbacker() != null) {
            this.completeTask(taskDocker.getValue(), null);
        }
    } catch (Exception e) {
        try {
            Task task = taskDocker.getValue();
            if (task != null && task.getCallbacker() != null) {
                this.completeTask(taskDocker.getValue(), e);
            }
        } catch (Exception e2) {
            logger.error("", e2);
        }

        Object ex = JsEngineUtil.parseJsException(e);
        if (ex instanceof Throwable == false) {
            boolean ignore = false;
            if (ex instanceof ScriptObjectMirror) {
                ScriptObjectMirror mex = (ScriptObjectMirror) ex;
                CharSequence name = (CharSequence) mex.get("name");
                if ("ValidationError".equals(name) || "MultiError".equals(name)) {
                    ignore = true;
                }
            } else if (ex instanceof ScriptObject) {
                ScriptObject oex = (ScriptObject) ex;
                CharSequence name = (CharSequence) oex.get("name");
                if ("ValidationError".equals(name) || "MultiError".equals(name)) {
                    ignore = true;
                }
            }
            if (!ignore)
                logger.error(json.tryStringify(ex), e);
        } else {
            logger.error("", (Throwable) ex);
        }

        try {
            out.print(formatter.formatException(ex, this.engine));
            out.flush();
        } catch (Exception e1) {
            logger.error("", e1);
        }
    } finally {
        out.flush();
    }
}

---

From source file:org.apache.hadoop.gateway.dispatch.DefaultDispatchTest.java

@Test
public void testUsingDefaultBufferSize() throws URISyntaxException, IOException {
    DefaultDispatch defaultDispatch = new DefaultDispatch();
    ServletContext servletContext = EasyMock.createNiceMock(ServletContext.class);
    GatewayConfig gatewayConfig = EasyMock.createNiceMock(GatewayConfig.class);
    EasyMock.expect(gatewayConfig.isHadoopKerberosSecured()).andReturn(Boolean.TRUE).anyTimes();
    EasyMock.expect(gatewayConfig.getHttpServerRequestBuffer()).andReturn(16384).anyTimes();
    EasyMock.expect(servletContext.getAttribute(GatewayConfig.GATEWAY_CONFIG_ATTRIBUTE))
            .andReturn(gatewayConfig).anyTimes();
    ServletInputStream inputStream = EasyMock.createNiceMock(ServletInputStream.class);
    HttpServletRequest inboundRequest = EasyMock.createNiceMock(HttpServletRequest.class);
    EasyMock.expect(inboundRequest.getQueryString()).andReturn("a=123").anyTimes();
    EasyMock.expect(inboundRequest.getInputStream()).andReturn(inputStream).anyTimes();
    EasyMock.expect(inboundRequest.getServletContext()).andReturn(servletContext).anyTimes();
    EasyMock.replay(gatewayConfig, servletContext, inboundRequest);
    HttpEntity httpEntity = defaultDispatch.createRequestEntity(inboundRequest);
    assertTrue("not buffering in the absence of delegation token",
            (httpEntity instanceof PartiallyRepeatableHttpEntity));
    assertEquals(defaultDispatch.getReplayBufferSize(), 16);
    assertEquals(defaultDispatch.getReplayBufferSizeInBytes(), 16384);

    //also test normal setter and getters
    defaultDispatch.setReplayBufferSize(-1);
    assertEquals(defaultDispatch.getReplayBufferSizeInBytes(), -1);
    assertEquals(defaultDispatch.getReplayBufferSize(), -1);

    defaultDispatch.setReplayBufferSize(16);
    assertEquals(defaultDispatch.getReplayBufferSizeInBytes(), 16384);
    assertEquals(defaultDispatch.getReplayBufferSize(), 16);

}

---

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