Example usage for javax.servlet.http HttpServletRequest getContentType

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

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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:org.apache.ambari.view.tez.ProxyServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String urlToRead = URLDecoder.decode(request.getParameter("url"));

    response.setContentType(request.getContentType());

    if (LOG.isDebugEnabled()) {
        LOG.debug("Requesting data from ATS, url=" + urlToRead);
    }/* w w  w. j  a v a 2s .co m*/

    InputStream resultInputStream;
    String result = "";
    // When in doubt, assume error
    int responseCode = Status.INTERNAL_SERVER_ERROR.getStatusCode();
    HttpURLConnection connection;
    try {
        // Use nullData as null string and null inputstream cannot be disambiguated
        // URL Stream Provider will automatically inject the doAs param with the current
        // user's info
        connection = urlConnectionProvider.getConnectionAsCurrent(urlToRead, HttpMethod.GET, nullData,
                emptyHeaders);
        responseCode = connection.getResponseCode();

        if (LOG.isDebugEnabled()) {
            LOG.debug("Received response from ATS, url=" + urlToRead + ", responseCode=" + responseCode);
        }

        if (responseCode >= Response.Status.BAD_REQUEST.getStatusCode()) {
            resultInputStream = connection.getErrorStream();
        } else {
            resultInputStream = connection.getInputStream();
        }

        result = IOUtils.toString(resultInputStream);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Received response from ATS, url=" + urlToRead + ", responseCode=" + responseCode
                    + ", responseBodyLen=" + result.length());
        }

    } catch (IOException e) {
        // We might kill the ambari server by logging this error every time a call fails
        if (LOG.isDebugEnabled()) {
            LOG.warn("Failed to retrieve data from ATS, url=" + urlToRead, e);
        }
        responseCode = Status.INTERNAL_SERVER_ERROR.getStatusCode();
        result = e.toString();
    } catch (Exception e) {
        LOG.warn("Unknown Exception: Failed to retrieve data from ATS, url=" + urlToRead, e);
        responseCode = Status.INTERNAL_SERVER_ERROR.getStatusCode();
        result = e.toString();
    } finally {
        // not disconnecting http conn as it might be cached/re-used internally
        // in the UrlStreamProvider
    }

    response.setStatus(responseCode);
    if (result != null) {
        PrintWriter writer = response.getWriter();
        writer.print(result);
    }
}

From source file:org.vuphone.vandyupon.media.incoming.event.ImageParser.java

public boolean isRequestValid(HttpServletRequest request) {
    boolean isValid = false;

    if (request.getParameter(ImageParser.TIME) == null) {
        logger_.log(Level.SEVERE, "Unable to get time from the request");
    } else if (request.getContentType() == null
            || !request.getContentType().equalsIgnoreCase(ImageParser.CONTENT_TYPE)) {
        logger_.log(Level.SEVERE,
                "Expected Content Type to be " + ImageParser.CONTENT_TYPE + " not " + request.getContentType());
    } else if (request.getContentLength() <= 0) {
        logger_.log(Level.SEVERE, "Expected Content Length to be greater than 0");
    } else if (request.getParameter(ImageParser.EVENTID) == null) {
        logger_.log(Level.SEVERE, "Unable to get wreckid from the request");
    } else {//  www  . ja  v a2  s .co m
        isValid = true;
    }
    return isValid;
}

From source file:org.jamwiki.servlets.UploadServlet.java

/**
 *
 */// www .j a va 2s .c om
public ModelAndView handleJAMWikiRequest(HttpServletRequest request, HttpServletResponse response,
        ModelAndView next, WikiPageInfo pageInfo) throws Exception {
    String contentType = ((request.getContentType() != null) ? request.getContentType().toLowerCase() : "");
    if (contentType.indexOf("multipart") == -1) {
        view(request, next, pageInfo);
    } else {
        upload(request, next, pageInfo);
    }
    return next;
}

From source file:org.mortbay.servlet.LLabsMultiPartFilter.java

/**
 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest,
 *      javax.servlet.ServletResponse, javax.servlet.FilterChain)
 */// ww w. j a v  a2  s .  c  o m
@SuppressWarnings("unchecked")
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    logger.info("Received uploadRequest:" + request);
    if (Log.isDebugEnabled())
        Log.debug(getClass().getName() + ">>> Received Request");

    HttpServletRequest srequest = (HttpServletRequest) request;
    if (srequest.getContentType() == null || !srequest.getContentType().startsWith("multipart/form-data")) {
        chain.doFilter(request, response);
        return;
    }
    if (ServletFileUpload.isMultipartContent(srequest)) {
        // Parse the request

        List<File> tempFiles = new ArrayList<File>();
        try {

            MultiMap params = new MultiMap();

            logger.info("Parsing Request");

            List<DiskFileItem> fileItems = uploadHandler.parseRequest(srequest);

            logger.info("Done Parsing Request, got FileItems:" + fileItems);

            StringBuilder filenames = new StringBuilder();

            for (final DiskFileItem diskFileItem : fileItems) {
                if (diskFileItem.getName() == null && diskFileItem.getFieldName() != null
                        && diskFileItem.getFieldName().length() > 0) {
                    params.put(diskFileItem.getFieldName(), diskFileItem.getString());
                    continue;
                }
                if (diskFileItem.getName() == null)
                    continue;
                final File tempFile = File.createTempFile("upload" + diskFileItem.getName(), ".tmp");
                tempFiles.add(tempFile);

                diskFileItem.write(tempFile);
                request.setAttribute(diskFileItem.getName(), tempFile);
                filenames.append(diskFileItem.getName()).append(",");
            }
            params.put("Filenames", filenames.toString());
            logger.info("passing on filter");
            chain.doFilter(new Wrapper(srequest, params), response);

            for (final DiskFileItem diskFileItem : fileItems) {
                diskFileItem.delete();
            }
        } catch (FileUploadException e) {
            e.printStackTrace();
            Log.warn(getClass().getName() + "MPartRequest, ERROR:" + e.getMessage());
            logger.error("FileUpload Failed", e);
            writeResponse((HttpServletResponse) response, HttpServletResponse.SC_EXPECTATION_FAILED);
        } catch (Throwable e) {
            logger.error(e.getMessage(), e);
            Log.warn(getClass().getName() + "MPartRequest, ERROR:" + e.getMessage());
            e.printStackTrace();
            writeResponse((HttpServletResponse) response, HttpServletResponse.SC_EXPECTATION_FAILED);
        } finally {
            for (File tempFile : tempFiles) {
                try {
                    tempFile.delete();
                } catch (Throwable t) {
                }
            }
        }
    }

}

From source file:org.n52.iceland.service.Service.java

private MediaType getContentType(HttpServletRequest request) throws HTTPException {
    if (request.getContentType() == null) {
        // default to KVP for GET requests
        if (request.getMethod().equals(HTTPMethods.GET)) {
            return MediaTypes.APPLICATION_KVP;
        } else {/*from   ww w  . j a  v a  2  s. co  m*/
            throw new HTTPException(HTTPStatus.BAD_REQUEST);
        }
    } else {
        try {
            return MediaType.parse(request.getContentType());
        } catch (IllegalArgumentException e) {
            throw new HTTPException(HTTPStatus.BAD_REQUEST, e);
        }
    }
}

From source file:org.biokoframework.http.response.impl.AbstractHttpResponseBuilder.java

@Override
public final void build(HttpServletRequest request, HttpServletResponse response, Fields input, Fields output)
        throws IOException, RequestNotSupportedException {
    if (request.getMethod().equals("POST") || request.getMethod().equals("PUT")) {
        checkAcceptType(Arrays.asList(request.getContentType()), getRequestExtension(request.getPathInfo()));
    } else {/*from w  ww  . j  av a  2 s .c o m*/
        checkAcceptType(getAccept(request), getRequestExtension(request.getPathInfo()));
    }

    response.setStatus(HttpStatus.SC_OK);

    safelyBuild(request, response, input, output);
}

From source file:net.myrrix.web.servlets.IngestServlet.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws IOException, ServletException {
    MyrrixRecommender recommender = getRecommender();

    boolean fromBrowserUpload = request.getContentType().startsWith("multipart/form-data");

    Reader reader;//ww  w. j a  va  2s .  c om
    if (fromBrowserUpload) {

        Collection<Part> parts = request.getParts();
        if (parts == null || parts.isEmpty()) {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST, "No form data");
            return;
        }
        Part part = parts.iterator().next();
        String partContentType = part.getContentType();
        InputStream in = part.getInputStream();
        if ("application/zip".equals(partContentType)) {
            in = new ZipInputStream(in);
        } else if ("application/gzip".equals(partContentType)) {
            in = new GZIPInputStream(in);
        } else if ("application/x-gzip".equals(partContentType)) {
            in = new GZIPInputStream(in);
        } else if ("application/bzip2".equals(partContentType)) {
            in = new BZip2CompressorInputStream(in);
        } else if ("application/x-bzip2".equals(partContentType)) {
            in = new BZip2CompressorInputStream(in);
        }
        reader = new InputStreamReader(in, Charsets.UTF_8);

    } else {

        String charEncodingName = request.getCharacterEncoding();
        Charset charEncoding = charEncodingName == null ? Charsets.UTF_8 : Charset.forName(charEncodingName);
        String contentEncoding = request.getHeader(HttpHeaders.CONTENT_ENCODING);
        if (contentEncoding == null) {
            reader = request.getReader();
        } else if ("gzip".equals(contentEncoding)) {
            reader = new InputStreamReader(new GZIPInputStream(request.getInputStream()), charEncoding);
        } else if ("zip".equals(contentEncoding)) {
            reader = new InputStreamReader(new ZipInputStream(request.getInputStream()), charEncoding);
        } else if ("bzip2".equals(contentEncoding)) {
            reader = new InputStreamReader(new BZip2CompressorInputStream(request.getInputStream()),
                    charEncoding);
        } else {
            response.sendError(HttpServletResponse.SC_BAD_REQUEST, "Unsupported Content-Encoding");
            return;
        }

    }

    try {
        recommender.ingest(reader);
    } catch (IllegalArgumentException iae) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, iae.toString());
        return;
    } catch (NoSuchElementException nsee) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, nsee.toString());
        return;
    } catch (TasteException te) {
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, te.toString());
        getServletContext().log("Unexpected error in " + getClass().getSimpleName(), te);
        return;
    }

    String referer = request.getHeader(HttpHeaders.REFERER);
    if (fromBrowserUpload && referer != null) {
        // Parsing avoids response splitting
        response.sendRedirect(new URL(referer).toString());
    }

}

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

protected void copyOriginalRequestBody(HttpPost httpRequest, HttpServletRequest request) throws IOException {
    int contentLength = request.getContentLength();
    if (contentLength > 0) {
        String contentType = request.getContentType();
        InputStream content = request.getInputStream();

        httpRequest.setEntity(new InputStreamEntity(content, contentLength, ContentType.create(contentType)));
    }//from  w w w  .j a  v a 2  s.  c  o  m
}

From source file:de.ingrid.interfaces.csw.server.CSWServlet.java

/**
 * @see javax.servlet.http.HttpServlet#doGet(javax.servlet.http.HttpServletRequest,
 *      javax.servlet.http.HttpServletResponse)
 *//*from   w  w  w  .j  a v  a 2 s  . c om*/
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    try {
        if (request.getHeader("Keep-Alive") != null && request.getContentLength() == -1) {
            Log.debug("Ignore keep-alive request.");
        } else if (request.getContentType().toLowerCase().indexOf("application/soap+xml") != -1) {
            this.serverFacade.handleSoapRequest(request, response);
        } else {
            this.serverFacade.handlePostRequest(request, response);
        }
    } catch (Exception ex) {
        throw new ServletException("POST failed: " + ex.getMessage(), ex);
    }
}

From source file:info.magnolia.cms.filters.CosMultipartRequestFilter.java

@Override
public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    String type = null;/*from   w w  w.j  av a 2  s  . c  o  m*/
    String type1 = request.getHeader("Content-Type");
    String type2 = request.getContentType();
    if (type1 == null && type2 != null) {
        type = type2;
    } else if (type2 == null && type1 != null) {
        type = type1;
    } else if (type1 != null) {
        type = (type1.length() > type2.length() ? type1 : type2);
    }
    boolean isMultipart = (type != null) && type.toLowerCase().startsWith("multipart/form-data");
    MultipartForm mpf = null;
    try {
        if (isMultipart) {
            mpf = parseParameters(request);
            request = new MultipartRequestWrapper(request, mpf);
            MgnlContext.push(request, response);
        }
        try {
            chain.doFilter(request, response);
        } finally {
            if (isMultipart) {
                MgnlContext.pop();
            }
        }
    } finally {
        if (mpf != null) {
            Iterator<Document> keys = mpf.getDocuments().values().iterator();
            while (keys.hasNext()) {
                Document doc = keys.next();
                if (doc != null && doc.getFile() != null && doc.getFile().exists()) {
                    doc.delete();
                }
            }
        }
    }
}