Example usage for javax.servlet.http HttpServletRequest getContentType

List of usage examples for javax.servlet.http HttpServletRequest getContentType

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  6. getContentType

Introduction

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

Prototype

public String getContentType();

Source Link

Document

Returns the MIME type of the body of the request, or null if the type is not known.

Usage

From source file:com.bluelotussoftware.apache.commons.fileupload.example.CommonsFileUploadServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    response.setContentType("text/html");
    log("Content-Type: " + request.getContentType());

    DiskFileItemFactory fileItemFactory = new DiskFileItemFactory();
    /*/* w  ww . ja va  2s . c  o  m*/
     *Set the size threshold, above which content will be stored on disk.
     */
    fileItemFactory.setSizeThreshold(10 * 1024 * 1024); //10 MB
    /*
    * Set the temporary directory to store the uploaded files of size above threshold.
    */
    fileItemFactory.setRepository(tmpDir);

    ServletFileUpload uploadHandler = new ServletFileUpload(fileItemFactory);
    try {
        /*
         * Parse the request
         */
        List items = uploadHandler.parseRequest(request);
        log("FileItems: " + items.toString());
        Iterator itr = items.iterator();
        while (itr.hasNext()) {

            FileItem item = (FileItem) itr.next();
            /*
             * Handle Form Fields.
             */
            if (item.isFormField()) {
                out.println("File Name = " + item.getFieldName() + ", Value = " + item.getString());
            } else {
                //Handle Uploaded files.
                out.println("<html><head><title>CommonsFileUploadServlet</title></head><body><p>");
                out.println("Field Name = " + item.getFieldName() + "\nFile Name = " + item.getName()
                        + "\nContent type = " + item.getContentType() + "\nFile Size = " + item.getSize());
                out.println("</p>");
                out.println("<img src=\"" + request.getContextPath() + "/files/" + item.getName() + "\"/>");
                out.println("</body></html>");
                /*
                 * Write file to the ultimate location.
                 */
                File file = new File(destinationDir, item.getName());
                item.write(file);
            }
            out.close();
        }
    } catch (FileUploadException ex) {
        log("Error encountered while parsing the request", ex);
    } catch (Exception ex) {
        log("Error encountered while uploading file", ex);
    }
}

From source file:org.red5.server.net.servlet.ZAMFGatewayServlet.java

/** {@inheritDoc} */
@Override//from   www  .j a v  a2  s  . co m
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    //Continuation cont = ContinuationSupport.getContinuation(req, this);
    log.info("Service");

    if (req.getContentLength() == 0 || req.getContentType() == null
            || !req.getContentType().equals(APPLICATION_AMF)) {
        resp.setStatus(HttpServletResponse.SC_OK);
        resp.getWriter().write("Gateway");
        resp.flushBuffer();
        return;
    }

    ByteBuffer reqBuffer = null;
    try {

        //req.getSession().getAttribute(REMOTING_CONNECTOR);

        reqBuffer = ByteBuffer.allocate(req.getContentLength());
        ServletUtils.copy(req.getInputStream(), reqBuffer.asOutputStream());
        reqBuffer.flip();

        // Connect to the server.
        VmPipeConnector connector = new VmPipeConnector();
        IoHandler handler = new Handler(req, resp);
        ConnectFuture connectFuture = connector.connect(new VmPipeAddress(5080), handler);
        connectFuture.join();
        IoSession session = connectFuture.getSession();
        session.setAttachment(resp);
        session.write(reqBuffer);

        ContinuationSupport.getContinuation(req, handler).suspend(1000);

    } catch (IOException e) {

        log.error(e);

    }
    log.info("End");
}

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

protected HttpEntity createRequestEntity(HttpServletRequest request) throws IOException {

    String contentType = request.getContentType();
    int contentLength = request.getContentLength();
    InputStream contentStream = request.getInputStream();

    HttpEntity entity;/*from  w w w  .  j  av  a 2  s . c o  m*/
    if (contentType == null) {
        entity = new InputStreamEntity(contentStream, contentLength);
    } else {
        entity = new InputStreamEntity(contentStream, contentLength, ContentType.parse(contentType));
    }

    if ("true".equals(System.getProperty(GatewayConfig.HADOOP_KERBEROS_SECURED))) {

        //Check if delegation token is supplied in the request
        boolean delegationTokenPresent = false;
        String queryString = request.getQueryString();
        if (queryString != null) {
            delegationTokenPresent = queryString.startsWith("delegation=")
                    || queryString.contains("&delegation=");
        }
        if (!delegationTokenPresent && getReplayBufferSize() > 0) {
            entity = new CappedBufferHttpEntity(entity, getReplayBufferSize() * 1024);
        }
    }

    return entity;
}

From source file:org.dataconservancy.ui.api.PersonController.java

/**
 * Handles the posting of a new person, this will add a new person to the
 * system with registration status of pending.
 *
 * @throws org.dataconservancy.model.builder.InvalidXmlException
 * @throws java.io.IOException/*from  w  w w.ja  v a2  s . c  om*/
 */
@RequestMapping(method = { RequestMethod.POST })
public void handlePersonPostRequest(@RequestHeader(value = "Accept", required = false) String mimeType,
        @RequestBody byte[] content, HttpServletRequest req, HttpServletResponse resp)
        throws BizInternalException, BizPolicyException, InvalidXmlException, IOException {
    if (req.getContentType().contains("application/x-www-form-urlencoded")) {
        content = URLDecoder.decode(new String(content, "UTF-8"), "UTF-8").getBytes("UTF-8");
    }
    //use businessobjectBuilder to deserialize content into a bop -> set of person
    Set<Person> postedPersonSet = builder.buildBusinessObjectPackage(new ByteArrayInputStream(content))
            .getPersons();
    //currently, only handle request to create 1 person
    //A request is considered BAD if it contains 0 person, or more than 1 person
    if (postedPersonSet.size() != 1) {
        try {
            resp.setStatus(HttpStatus.SC_BAD_REQUEST);
            resp.getWriter()
                    .print("Only one new person can be requested to be created via this API at a time.");
            resp.getWriter().flush();
            resp.getWriter().close();
        } catch (Exception ee) {
            log.debug("Handling exception", ee);
        }
    } else {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Person person = postedPersonSet.iterator().next();
        try {
            Person createPerson = userService.create(person);
            //Serialize the created Person to return
            Bop businessObjectPackage = new Bop();
            businessObjectPackage.addPerson(createPerson);

            resp.setStatus(HttpStatus.SC_OK);

            resp.setHeader(LOCATION, createPerson.getId());
            resp.setHeader(LAST_MODIFIED, DateTime.now().toString());
            builder.buildBusinessObjectPackage(businessObjectPackage, baos);
            resp.setHeader(ETAG, ETagCalculator.calculate(Integer.toString(businessObjectPackage.hashCode())));
            resp.setCharacterEncoding("UTF-8");
            resp.setContentType("text/xml");
            resp.setContentLength(baos.size());
            baos.writeTo(resp.getOutputStream());
        } catch (PersonUpdateException re) {
            resp.setStatus(HttpStatus.SC_BAD_REQUEST);
            resp.getOutputStream().println(re.getMessage());
            resp.getWriter().flush();
            resp.getWriter().close();
        }
    }
}

From source file:org.createnet.raptor.auth.service.jwt.JsonUsernamePasswordFilter.java

@Override
public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response)
        throws AuthenticationException {

    if (!request.getMethod().equals("POST")) {
        throw new AuthenticationServiceException("Authentication method not supported: " + request.getMethod());
    }//  w  w w. java 2s  .c  o  m

    if (!request.getContentType().equals(MediaType.APPLICATION_JSON)) {
        throw new AuthenticationServiceException("Only Content-Type " + MediaType.APPLICATION_JSON
                + " is supported. Provided is " + request.getContentType());
    }

    LoginForm loginForm;
    try {
        InputStream body = request.getInputStream();
        loginForm = jacksonObjectMapper.readValue(body, LoginForm.class);
    } catch (IOException ex) {
        throw new AuthenticationServiceException("Error reading body", ex);
    }

    if (loginForm.username == null) {
        loginForm.username = "";
    }

    if (loginForm.password == null) {
        loginForm.password = "";
    }

    loginForm.username = loginForm.username.trim();

    UsernamePasswordAuthenticationToken authRequest = new UsernamePasswordAuthenticationToken(
            loginForm.username, loginForm.password);
    setDetails(request, authRequest);

    return this.getAuthenticationManager().authenticate(authRequest);
}

From source file:com.google.ratel.util.RatelUtils.java

public static boolean isJsonContentType(HttpServletRequest request) {

    String contentType = request.getContentType();
    if (StringUtils.isBlank(contentType)) {
        return false;
    }//from   w  ww.java 2s . c  o m

    if (contentType.indexOf(Constants.JSON) >= 0) {
        return true;
    }

    return false;
}

From source file:org.esigate.servlet.impl.HttpServletRequestEntity.java

HttpServletRequestEntity(HttpServletRequest request) {
    this.request = request;
    String contentLengthHeader = request.getHeader(HttpHeaders.CONTENT_LENGTH);
    if (contentLengthHeader != null) {
        length = Long.parseLong(contentLengthHeader);
    } else {//from w ww.j av  a  2  s .c  o m
        length = -1;
    }
    String contentTypeHeader = request.getContentType();
    if (contentTypeHeader != null) {
        this.setContentType(contentTypeHeader);
    }
    String contentEncodingHeader = request.getCharacterEncoding();
    if (contentEncodingHeader != null) {
        this.setContentEncoding(contentEncodingHeader);
    }

}

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

protected HttpEntity createRequestEntity(HttpServletRequest request) throws IOException {

    String contentType = request.getContentType();
    int contentLength = request.getContentLength();
    InputStream contentStream = request.getInputStream();

    HttpEntity entity;//  www . ja  v a  2s . c  o  m
    if (contentType == null) {
        entity = new InputStreamEntity(contentStream, contentLength);
    } else {
        entity = new InputStreamEntity(contentStream, contentLength, ContentType.parse(contentType));
    }
    GatewayConfig config = (GatewayConfig) request.getServletContext()
            .getAttribute(GatewayConfig.GATEWAY_CONFIG_ATTRIBUTE);
    if (config != null && config.isHadoopKerberosSecured()) {
        //Check if delegation token is supplied in the request
        boolean delegationTokenPresent = false;
        String queryString = request.getQueryString();
        if (queryString != null) {
            delegationTokenPresent = queryString.startsWith("delegation=")
                    || queryString.contains("&delegation=");
        }
        if (replayBufferSize < 0) {
            replayBufferSize = config.getHttpServerRequestBuffer();
        }
        if (!delegationTokenPresent && replayBufferSize > 0) {
            entity = new PartiallyRepeatableHttpEntity(entity, replayBufferSize);
        }
    }

    return entity;
}

From source file:eu.freme.broker.tools.internationalization.EInternationalizationFilter.java

/**
 * Determines format of request. Returns null if the format is not suitable
 * for eInternationalization Filter.//from   w ww .j av  a  2  s.  co  m
 *
 * @param req
 * @return
 */
public String getInformat(HttpServletRequest req) {
    String informat = req.getParameter("informat");
    if (informat == null && req.getContentType() != null) {
        informat = req.getContentType();
        String[] parts = informat.split(";");
        if (parts.length > 1) {
            informat = parts[0].trim();
        }
    }
    if (informat == null) {
        return informat;
    }
    informat = informat.toLowerCase();
    if (contentTypes.contains(informat)) {
        return informat;
    } else {
        return null;
    }
}

From source file:org.openehealth.ipf.platform.camel.lbs.http.process.HttpResourceHandler.java

private ResourceList extractFromSingle(String subUnit, HttpServletRequest request) throws Exception {
    ResourceList resources = new ResourceList();
    handleResource(subUnit, resources, request.getContentType(), request.getPathTranslated(), null,
            request.getInputStream());//from   w w  w .  ja v a 2  s. c  om
    return resources;
}