Example usage for javax.servlet.http HttpServletRequest getInputStream

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

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Introduction

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

Prototype

public ServletInputStream getInputStream() throws IOException;

Source Link

Document

Retrieves the body of the request as binary data using a ServletInputStream .

Usage

From source file:grails.converters.XML.java

/**
 * Parses the give XML (read from the POST Body of the Request)
 *
 * @param request an HttpServletRequest//from   w w w  .ja  va  2 s .com
 * @return a groovy.util.XmlSlurper
 * @throws ConverterException
 */
public static Object parse(HttpServletRequest request) throws ConverterException {
    Object xml = request.getAttribute(CACHED_XML);
    if (xml != null)
        return xml;

    String encoding = request.getCharacterEncoding();
    if (encoding == null) {
        encoding = Converter.DEFAULT_REQUEST_ENCODING;
    }
    try {
        if (!request.getMethod().equalsIgnoreCase("GET")) {
            xml = parse(request.getInputStream(), encoding);
            request.setAttribute(CACHED_XML, xml);
        }
        return xml;
    } catch (IOException e) {
        throw new ConverterException("Error parsing XML", e);
    }
}

From source file:org.nlp2rdf.webservice.NIFParameterWebserviceFactory.java

/**
 * Factory method//  ww  w.  ja v a 2  s  .c om
 *
 * @param httpServletRequest
 * @return
 */
public static NIFParameters getInstance(HttpServletRequest httpServletRequest, String defaultPrefix)
        throws ParameterException, IOException {

    //twice the size to split key value
    String[] args = new String[httpServletRequest.getParameterMap().size() * 2];

    int x = 0;

    for (Object key : httpServletRequest.getParameterMap().keySet()) {
        String pname = (String) key;
        //transform key to CLI style
        pname = (pname.length() == 1) ? "-" + pname : "--" + pname;

        //collect CLI args
        args[x++] = pname;
        args[x++] = httpServletRequest.getParameter((String) key);

    }

    String line;
    String content = "";
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(httpServletRequest.getInputStream()));

        while ((line = reader.readLine()) != null) {
            if (line.startsWith("---") || line.startsWith("Content") || line.startsWith("html"))
                continue;
            content += line;

        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    if (args.length == 0 && !content.isEmpty()) {
        args = new String[4];
        String[] params = content.split("&");
        if (params.length > 0) {
            String[] i = params[0].split("=");
            String[] id = params[1].split("=");
            if (i.length > 0) {
                args[0] = "--" + i[0];
                args[1] = URLDecoder.decode(i[1], "UTF-8");
            }
            if (id.length > 0) {
                args[2] = "-" + id[0];
                args[3] = URLDecoder.decode(id[1], "UTF-8");
            }
            content = "";
        }
    }

    //        System.out.println(content);

    //parse CLI args
    OptionParser parser = ParameterParser.getParser(args, defaultPrefix);
    OptionSet options = ParameterParser.getOption(parser, args);

    // print help screen
    if (options.has("h")) {
        String addHelp = "";
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        parser.printHelpOn(baos);
        throw new ParameterException(baos.toString());
    }

    // parse options with webservice setted to true
    return ParameterParserMS.parseOptions(options, true, content);
}

From source file:de.knowwe.core.user.UserContextUtil.java

/**
 * Returns a Map<String, String> with all parameters of a http request. This
 * is necessary because the parameter map of the http request is locked.
 * //from w  w w  .  j  av  a 2 s .co  m
 * @created Mar 9, 2011
 * @param request the http request
 * @return map containing the parameters of the http request.
 */
public static Map<String, String> getParameters(HttpServletRequest request) {
    Map<String, String> parameters = new HashMap<>();
    if (request != null) {
        Enumeration<?> iter = request.getParameterNames();
        boolean decode = checkForFlowChart(request.getParameter("action"));
        while (iter.hasMoreElements()) {
            String key = (String) iter.nextElement();
            String value = request.getParameter(key);
            parameters.put(key, decode ? Strings.decodeURL(value) : value);
        }
        if (request.getMethod() != null && request.getMethod().equals("POST")) {

            // do not handle file uploads, leave this to the action
            if (!ServletFileUpload.isMultipartContent(request)) {

                try {
                    BufferedReader br = new BufferedReader(new InputStreamReader(request.getInputStream()));

                    String line;
                    StringBuilder bob = new StringBuilder();

                    while ((line = br.readLine()) != null) {
                        bob.append(line).append("\n");
                    }

                    parameters.put("data", bob.toString());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    return parameters;
}

From source file:gov.va.vinci.chartreview.util.CRSchemaXML.java

/**
 * Parses the give CRSchemaXML (read from the POST Body of the Request)
 *
 * @param request an HttpServletRequest//from w ww. j  a v a  2  s  .  c o m
 * @return a groovy.util.XmlSlurper
 * @throws ConverterException
 */
public static Object parse(HttpServletRequest request) throws ConverterException {
    Object xml = request.getAttribute(CACHED_XML);
    if (xml != null)
        return xml;

    String encoding = request.getCharacterEncoding();
    if (encoding == null) {
        encoding = Converter.DEFAULT_REQUEST_ENCODING;
    }
    try {
        if (!request.getMethod().equalsIgnoreCase("GET")) {
            xml = parse(request.getInputStream(), encoding);
            request.setAttribute(CACHED_XML, xml);
        }
        return xml;
    } catch (IOException e) {
        throw new ConverterException("Error parsing CRSchemaXML", e);
    }
}

From source file:com.zimbra.cs.service.FileUploadServlet.java

/**
 * Reads the end of the client request when an error occurs, to avoid cases where
 * the client blocks when writing the HTTP request.
 *//*from w  ww  .ja  v a2 s .  c o m*/
public static void drainRequestStream(HttpServletRequest req) {
    try {
        InputStream in = req.getInputStream();
        byte[] buf = new byte[1024];
        int numRead = 0;
        int totalRead = 0;
        mLog.debug("Draining request input stream");
        while ((numRead = in.read(buf)) >= 0) {
            totalRead += numRead;
        }
        mLog.debug("Drained %d bytes", totalRead);
    } catch (IOException e) {
        mLog.info("Ignoring error that occurred while reading the end of the client request: " + e);
    }
}

From source file:jp.opencollector.guacamole.auth.delegated.DelegatedAuthenticationProvider.java

private static Optional<GuacamoleConfiguration> buildConfigurationFromRequest(HttpServletRequest req)
        throws GuacamoleException {
    try {/*from  ww  w . j  ava 2  s.  com*/
        if (req.getClass().getName().equals("org.glyptodon.guacamole.net.basic.rest.APIRequest")) {
            final GuacamoleConfiguration config = new GuacamoleConfiguration();
            final String protocol = req.getParameter("protocol");
            if (protocol == null)
                throw new GuacamoleException("required parameter \"protocol\" is missing");
            config.setProtocol(protocol);
            for (Map.Entry<String, String[]> param : req.getParameterMap().entrySet()) {
                String[] values = param.getValue();
                if (values.length > 0)
                    config.setParameter(param.getKey(), values[0]);
            }
            return Optional.of(config);
        } else {
            final ServletInputStream is = req.getInputStream();
            if (!is.isReady()) {
                MediaType contentType = MediaType.parse(req.getContentType());
                boolean invalidContentType = true;
                if (contentType.type().equals("application")) {
                    if (contentType.subtype().equals("json")) {
                        invalidContentType = false;
                    } else if (contentType.subtype().equals("x-www-form-urlencoded")
                            && req.getParameter("token") != null) {
                        return Optional.<GuacamoleConfiguration>absent();
                    }
                }
                if (invalidContentType)
                    throw new GuacamoleException(String.format("expecting application/json, got %s",
                            contentType.withoutParameters()));
                final GuacamoleConfiguration config = new GuacamoleConfiguration();
                try {
                    final ObjectMapper mapper = new ObjectMapper();
                    JsonNode root = (JsonNode) mapper.readTree(
                            createJsonParser(req.getInputStream(), contentType.charset().or(UTF_8), mapper));
                    {
                        final JsonNode protocol = root.get("protocol");
                        if (protocol == null)
                            throw new GuacamoleException("required parameter \"protocol\" is missing");
                        final JsonNode parameters = root.get("parameters");
                        if (parameters == null)
                            throw new GuacamoleException("required parameter \"parameters\" is missing");
                        config.setProtocol(protocol.asText());
                        {
                            for (Iterator<Entry<String, JsonNode>> i = parameters.fields(); i.hasNext();) {
                                Entry<String, JsonNode> member = i.next();
                                config.setParameter(member.getKey(), member.getValue().asText());
                            }
                        }
                    }
                } catch (ClassCastException e) {
                    throw new GuacamoleException("error occurred during parsing configuration", e);
                }
                return Optional.of(config);
            } else {
                return Optional.<GuacamoleConfiguration>absent();
            }
        }
    } catch (IOException e) {
        throw new GuacamoleException("error occurred during retrieving configuration from the request body", e);
    }
}

From source file:com.liferay.util.servlet.fileupload.LiferayInputStream.java

public LiferayInputStream(HttpServletRequest req) throws IOException {
    super(req.getInputStream());

    _req = req;/*from   ww  w .ja v a 2s  . c om*/
    _ses = req.getSession();
    _totalSize = req.getContentLength();
}

From source file:com.apipulse.bastion.controllers.ApiController.java

@RequestMapping(value = "/api/admittance/{id}", produces = "application/json", method = RequestMethod.POST)
@ResponseBody//from w  w  w .j  a  v a2s. c  o  m
public String admittance(final @PathVariable String id, final HttpServletRequest request) throws IOException {
    final InputStream is = request.getInputStream();
    final String payload = IOUtils.toString(is);
    is.close();
    final StepMessage message = new StepMessage(payload);
    final HashMap<String, String> headers = new HashMap<String, String>();
    final Enumeration<String> eh = request.getHeaderNames();
    while (eh.hasMoreElements()) {
        final String headerName = eh.nextElement();
        headers.put(headerName, request.getHeader(headerName));
    }
    message.getContext().put("headers", headers);
    message.getContext().put("id", id);
    final String uuid = UUID.randomUUID().toString();
    message.getContext().put("uuid", uuid);
    BastionActors.getInstance().getHttpRouter().tell(message, null);
    return "{\"accepted\":true,\"id\":\"" + uuid + "\"}";
}

From source file:com.arvato.thoroughly.filter.FilterRequestWrapper.java

public FilterRequestWrapper(HttpServletRequest request) throws IOException {
    super(request);
    body = IOUtils.toString(request.getInputStream());
}

From source file:org.test.skeleton.controller.ExpliotDemoController.java

@RequestMapping(value = "/csrf/messages/", method = RequestMethod.POST)
public void exploit(HttpServletRequest request, HttpServletResponse response) throws Exception {
    Message messageToSave = messageParser.parse(request.getInputStream());

    messageDao.save(messageToSave);//from ww  w. j  ava 2 s  .co m

    response.sendRedirect(request.getContextPath());
}