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:com.gwtquickstarter.server.Deferred.java

/**
 * Deserialize an object from an HttpServletRequest input stream. Does not
 * throw any exceptions; instead, exceptions are logged and null is returned.
 *
 * @param req An HttpServletRequest that contains a serialized object.
 * @return An object instance, or null if an exception occurred.
 *///from  w  w w .ja v a  2s . c  o  m
private static Object deserialize(HttpServletRequest req) {
    if (req.getContentLength() == 0) {
        log.severe("request content length is 0");
        return null;
    }
    try {
        byte[] bytesIn = new byte[req.getContentLength()];
        req.getInputStream().readLine(bytesIn, 0, bytesIn.length);
        return deserialize(bytesIn);
    } catch (IOException e) {
        log.log(Level.SEVERE, "Error deserializing task", e);
        return null; // don't retry task
    }
}

From source file:eu.comvantage.dataintegration.QueryDistributionServiceImpl.java

private static String getBody(HttpServletRequest request) throws IOException {
    String body = null;/*from   w  w  w.j  ava2s .  c om*/
    StringBuilder stringBuilder = new StringBuilder();
    BufferedReader bufferedReader = null;

    try {
        InputStream inputStream = request.getInputStream();
        if (inputStream != null) {
            bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
            char[] charBuffer = new char[128];
            int bytesRead = -1;
            while ((bytesRead = bufferedReader.read(charBuffer)) > 0) {
                stringBuilder.append(charBuffer, 0, bytesRead);
            }
        } else {
            stringBuilder.append("");
        }
    } catch (IOException ex) {
        throw ex;
    } finally {
        if (bufferedReader != null) {
            try {
                bufferedReader.close();
            } catch (IOException ex) {
                throw ex;
            }
        }
    }

    body = stringBuilder.toString();
    return body;
}

From source file:gov.loc.ndmso.proxyfilter.RequestProxy.java

private static HttpMethod setupProxyRequest(final HttpServletRequest hsRequest, final URL targetUrl)
        throws IOException {
    final String methodName = hsRequest.getMethod();
    final HttpMethod method;
    if ("POST".equalsIgnoreCase(methodName)) {
        PostMethod postMethod = new PostMethod();
        InputStreamRequestEntity inputStreamRequestEntity = new InputStreamRequestEntity(
                hsRequest.getInputStream());
        postMethod.setRequestEntity(inputStreamRequestEntity);
        method = postMethod;/*  w  w w. j  a v a2s.  co m*/
    } else if ("GET".equalsIgnoreCase(methodName)) {
        method = new GetMethod();
    } else {
        // log.warn("Unsupported HTTP method requested: " + hsRequest.getMethod());
        return null;
    }

    method.setFollowRedirects(false);
    method.setPath(targetUrl.getPath());
    method.setQueryString(targetUrl.getQuery());

    @SuppressWarnings("unchecked")
    Enumeration<String> e = hsRequest.getHeaderNames();
    if (e != null) {
        while (e.hasMoreElements()) {
            String headerName = e.nextElement();
            if ("host".equalsIgnoreCase(headerName)) {
                //the host value is set by the http client
                continue;
            } else if ("content-length".equalsIgnoreCase(headerName)) {
                //the content-length is managed by the http client
                continue;
            } else if ("accept-encoding".equalsIgnoreCase(headerName)) {
                //the accepted encoding should only be those accepted by the http client.
                //The response stream should (afaik) be deflated. If our http client does not support
                //gzip then the response can not be unzipped and is delivered wrong.
                continue;
            } else if (headerName.toLowerCase().startsWith("cookie")) {
                //fixme : don't set any cookies in the proxied request, this needs a cleaner solution
                continue;
            }

            @SuppressWarnings("unchecked")
            Enumeration<String> values = hsRequest.getHeaders(headerName);
            while (values.hasMoreElements()) {
                String headerValue = values.nextElement();
                // log.info("setting proxy request parameter:" + headerName + ", value: " + headerValue);
                method.addRequestHeader(headerName, headerValue);
            }
        }
    }

    // add rs5/tomcat5 request header for ML
    method.addRequestHeader("X-Via", "tomcat5");

    // log.info("proxy query string " + method.getQueryString());
    return method;
}

From source file:com.ecbeta.common.util.JSONUtils.java

public static JSONObject toJSON(HttpServletRequest request) {
    MapJSONBean json = new MapJSONBean();
    for (Object s : request.getParameterMap().keySet()) {
        for (String value : request.getParameterValues(s.toString())) {
            json.add(s.toString(), value);
        }// w  ww.j a va 2 s .  c  om
    }

    try {
        BufferedReader br = new BufferedReader(new InputStreamReader(request.getInputStream()));
        String line;
        String data = "";
        while ((line = br.readLine()) != null) {
            data += line;
        }
        data = URLDecoder.decode(data, "UTF-8");
        try {
            JSONObject oo = JSONObject.fromObject(data);
            return oo;
        } catch (Exception ex) {
            Map<String, List<String>> params = parseParameters(data);
            for (Map.Entry<String, List<String>> entry : params.entrySet()) {
                for (String value : entry.getValue()) {
                    json.add(entry.getKey(), value);
                }
            }
        }

    } catch (IOException ex) {
        logger.log(Level.SEVERE, null, ex);
    }

    JSONObject job = json.toJson();
    logger.info("~~~~~~~~~AutoCreating~~~~~~~~~");
    logger.info(json == null ? "" : job.toString(2));
    logger.info("~~~~~~~~~End~~~~~~~~~");
    return job;
}

From source file:edu.stanford.epad.epadws.handlers.HandlerUtil.java

public static JSONObject getPostedJson(HttpServletRequest httpRequest) throws Exception {
    StringBuffer jb = new StringBuffer();
    String line = null;//w w w . j a  v  a 2  s  .  c o  m
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(httpRequest.getInputStream()));
        while ((line = reader.readLine()) != null)
            jb.append(line);
    } catch (Exception e) {
        log.warning("Error receiving data:" + e);
        throw e;
    }
    log.debug("Posted Json:" + jb);
    try {
        return new JSONObject(jb.toString());
    } catch (Exception e) {
        log.warning("Error parsing JSON request string:" + jb);
    }
    return null;
}

From source file:edu.stanford.epad.epadws.handlers.HandlerUtil.java

public static String getPostedString(HttpServletRequest httpRequest) throws Exception {
    StringBuffer jb = new StringBuffer();
    String line = null;//from   w  ww  . j  av a  2  s .c om
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(httpRequest.getInputStream()));
        while ((line = reader.readLine()) != null)
            jb.append(line);
    } catch (Exception e) {
        log.warning("Error receiving data:" + e);
        throw e;
    }
    log.debug("Posted string:" + jb);
    try {
        return jb.toString();
    } catch (Exception e) {
        log.warning("Error parsing request string:" + jb);
    }
    return null;
}

From source file:com.nc.common.utils.HttpUtils.java

/**
 * <pre>//  ww  w .  ja  v a 2s . c om
 * 1.  : http  
 * 2.  : POST ?  response body  (multipart / urlencode)
 * </pre>
 *
 * @method Name : getBodyConts
 * @param HttpServletRequest request, int type
 * @return String
 * @throws Exception
 * 
 */
public static String getBodyConts(HttpServletRequest request, int type) throws Exception {
    int loopNo = 1;
    String body = null;
    StringBuilder stringBuilder = new StringBuilder();
    BufferedReader bufferedReader = null;

    try {
        InputStream inputStream = request.getInputStream();
        if (inputStream != null) {
            bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
            String line = "";
            while ((line = bufferedReader.readLine()) != null) {
                if (type == 1) {
                    if (loopNo == 2 || loopNo == 4) {
                        if (loopNo == 2) {
                            line = line.substring(line.indexOf("=") + 1, line.length());
                        } else if (loopNo == 4) {
                            if (line.indexOf("pageNo") > 0) {
                                line = ":" + line + ",";
                            } else {
                                line = ":\"" + line + "\",";
                            }
                        }
                        stringBuilder.append(line);
                    }

                    loopNo++;

                    if (loopNo > 4) {
                        loopNo = 1;
                    }
                } else if (type == 2) {
                    stringBuilder.append(line);
                }
            }
        }
    } catch (IOException ex) {
        throw new NCException(ex.getMessage(), ex);
    } finally {
        if (bufferedReader != null) {
            try {
                bufferedReader.close();
            } catch (IOException ex) {
                throw new NCException(ex.getMessage(), ex);
            }
        }
    }

    body = stringBuilder.toString();

    if (type == 1) {
        body = body.substring(0, body.length() - 1);
        body = "{" + body + "}";
    }

    return body;
}

From source file:com.newatlanta.appengine.taskqueue.Deferred.java

/**
 * Deserialize an object from an HttpServletRequest input stream. Does not
 * throw any exceptions; instead, exceptions are logged and null is returned.
 *
 * @param req An HttpServletRequest that contains a serialized object.
 * @return An object instance, or null if an exception occurred.
 *//*from   w  w w. ja  v a  2  s .co m*/
private static Object deserialize(HttpServletRequest req) {
    if (req.getContentLength() == 0) {
        log.severe("request content length is 0");
        return null;
    }
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[8192];
        int len;
        while ((len = req.getInputStream().read(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }
        return deserialize(baos.toByteArray());
    } catch (IOException e) {
        log.log(Level.SEVERE, "Error deserializing task", e);
        return null; // don't retry task
    }
}

From source file:edu.stanford.epad.epadws.handlers.HandlerUtil.java

public static JSONObject getPostedPListXML(HttpServletRequest httpRequest) throws Exception {
    StringBuffer jb = new StringBuffer();
    StringBuffer jb2 = new StringBuffer();
    String line = null;/* w w w.j  a v a2s.  c om*/
    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(httpRequest.getInputStream()));
        while ((line = reader.readLine()) != null) {
            jb.append(line);
        }
        return parsePListFile(jb.toString());

    } catch (Exception e) {
        log.warning("Error receiving data:" + e);
        throw e;
    }

}

From source file:io.apiman.test.common.mock.EchoResponse.java

/**
 * Create an echo response from the inbound information in the http server
 * request./*  ww w.  j a v a2  s  .c  o m*/
 * @param request
 * @param withBody 
 * @return a new echo response
 */
public static EchoResponse from(HttpServletRequest request, boolean withBody) {
    EchoResponse response = new EchoResponse();
    response.setMethod(request.getMethod());
    response.setResource(request.getRequestURI());
    response.setUri(request.getRequestURI());
    Enumeration<String> headerNames = request.getHeaderNames();
    while (headerNames.hasMoreElements()) {
        String name = headerNames.nextElement();
        String value = request.getHeader(name);
        response.getHeaders().put(name, value);
    }
    if (withBody) {
        long totalBytes = 0;
        InputStream is = null;
        try {
            is = request.getInputStream();
            MessageDigest sha1 = MessageDigest.getInstance("SHA1"); //$NON-NLS-1$
            byte[] data = new byte[1024];
            int read = 0;
            while ((read = is.read(data)) != -1) {
                sha1.update(data, 0, read);
                totalBytes += read;
            }
            ;

            byte[] hashBytes = sha1.digest();
            StringBuffer sb = new StringBuffer();
            for (int i = 0; i < hashBytes.length; i++) {
                sb.append(Integer.toString((hashBytes[i] & 0xff) + 0x100, 16).substring(1));
            }
            String fileHash = sb.toString();

            response.setBodyLength(totalBytes);
            response.setBodySha1(fileHash);
        } catch (Exception e) {
            throw new RuntimeException(e);
        } finally {
            IOUtils.closeQuietly(is);
        }
    }
    return response;
}