javax.servlet.ServletInputStream#read

Source File: TestNonBlockingAPI.java From Tomcat8-Source-Read with MIT License

6 votes

@Override
public void onDataAvailable() throws IOException {
    ServletInputStream in = ctx.getRequest().getInputStream();
    String s = "";
    byte[] b = new byte[8192];
    int read = 0;
    do {
        read = in.read(b);
        if (read == -1) {
            break;
        }
        s += new String(b, 0, read);
    } while (in.isReady());
    log.info("Read [" + s + "]");
    body.append(s);
}

Source File: TestNonBlockingAPI.java From Tomcat8-Source-Read with MIT License

6 votes

@Override
public void onDataAvailable() throws IOException {
    ServletInputStream in = ctx.getRequest().getInputStream();
    String s = "";
    byte[] b = new byte[8192];
    int read = 0;
    do {
        read = in.read(b);
        if (read == -1) {
            break;
        }
        s += new String(b, 0, read);
    } while (ignoreIsReady || in.isReady());
    log.info(s);
    body.append(s);
}

Source File: SockJsServletRequest.java From AngularBeans with GNU Lesser General Public License v3.0

6 votes

@Override
public void onDataAvailable() throws IOException {
	ServletInputStream inputStream = request.getInputStream();
	do {
		while (!inputStream.isReady()) {
			//
		}

		byte[] buffer = new byte[1024 * 4];
		int length = inputStream.read(buffer);
		if (length > 0) {
			if (onDataHandler != null) {
				try {
					onDataHandler.handle(Arrays.copyOf(buffer, length));
				} catch (SockJsException e) {
					throw new IOException(e);
				}
			}
		}
	} while (inputStream.isReady());
}

Source File: PingServlet30Async.java From sample.daytrader7 with Apache License 2.0

6 votes

/**
 * forwards post requests to the doGet method Creation date: (11/6/2000
 * 10:52:39 AM)
 *
 * @param res
 *            javax.servlet.http.HttpServletRequest
 * @param res2
 *            javax.servlet.http.HttpServletResponse
 */
@Override
public void doPost(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/html");
                    
    AsyncContext ac = req.startAsync();
    StringBuilder sb = new StringBuilder();
    
    ServletInputStream input = req.getInputStream();
    byte[] b = new byte[1024];
    int len = -1;
    while ((len = input.read(b)) != -1) {
        String data = new String(b, 0, len);
        sb.append(data);
    }

    ServletOutputStream output = res.getOutputStream();
    
    output.println("<html><head><title>Ping Servlet 3.0 Async</title></head>"
            + "<body><hr/><br/><font size=\"+2\" color=\"#000066\">Ping Servlet 3.0 Async</font><br/>"
            + "<font size=\"+1\" color=\"#000066\">Init time : " + initTime
            + "</font><br/><br/><b>Hit Count: " + ++hitCount + "</b><br/>Data Received: "+ sb.toString() + "</body></html>");
    
    ac.complete();
}

Source File: WebUtils.java From open-cloud with MIT License

6 votes

/**
 * 复制输入流
 *
 * @param inputStream
 * @return</br>
 */
public static InputStream cloneInputStream(ServletInputStream inputStream) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len;
    try {
        while ((len = inputStream.read(buffer)) > -1) {
            byteArrayOutputStream.write(buffer, 0, len);
        }
        byteArrayOutputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
    return byteArrayInputStream;
}

Source File: LoginAuthenticationFilter.java From mall4j with GNU Affero General Public License v3.0

6 votes

private String getStringFromStream(HttpServletRequest req) {
    ServletInputStream is;
    try {
        is = req.getInputStream();
        int nRead = 1;
        int nTotalRead = 0;
        byte[] bytes = new byte[10240];
        while (nRead > 0) {
            nRead = is.read(bytes, nTotalRead, bytes.length - nTotalRead);
            if (nRead > 0) {
                nTotalRead = nTotalRead + nRead;
            }
        }
        return new String(bytes, 0, nTotalRead, StandardCharsets.UTF_8);
    } catch (IOException e) {
        e.printStackTrace();
        return "";
    }
}

Source File: LoginAuthenticationFilter.java From mall4j with GNU Affero General Public License v3.0

6 votes

private String getStringFromStream(HttpServletRequest req) {
    ServletInputStream is;
    try {
        is = req.getInputStream();
        int nRead = 1;
        int nTotalRead = 0;
        byte[] bytes = new byte[10240];
        while (nRead > 0) {
            nRead = is.read(bytes, nTotalRead, bytes.length - nTotalRead);
            if (nRead > 0) {
                nTotalRead = nTotalRead + nRead;
            }
        }
        return new String(bytes, 0, nTotalRead, StandardCharsets.UTF_8);
    } catch (IOException e) {
        e.printStackTrace();
        return "";
    }
}

Source File: ServletWebSocketHttpExchange.java From lams with GNU General Public License v2.0

6 votes

@Override
public IoFuture<byte[]> readRequestData() {
    final ByteArrayOutputStream data = new ByteArrayOutputStream();
    try {
        final ServletInputStream in = request.getInputStream();
        byte[] buf = new byte[1024];
        int r;
        while ((r = in.read(buf)) != -1) {
            data.write(buf, 0, r);
        }
        return new FinishedIoFuture<>(data.toByteArray());
    } catch (IOException e) {
        final FutureResult<byte[]> ioFuture = new FutureResult<>();
        ioFuture.setException(e);
        return ioFuture.getIoFuture();
    }
}

Source File: WebUtil.java From hdw-dubbo with Apache License 2.0

6 votes

/**
 * 复制输入流
 *
 * @param inputStream
 * @return</br>
 */
public static InputStream cloneInputStream(ServletInputStream inputStream) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len;
    try {
        while ((len = inputStream.read(buffer)) > -1) {
            byteArrayOutputStream.write(buffer, 0, len);
        }
        byteArrayOutputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    InputStream byteArrayInputStream = new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
    return byteArrayInputStream;
}

Source File: ServletUtils.java From yawl with GNU Lesser General Public License v3.0

5 votes

public static Map<String, String> getRequestParams(HttpServletRequest request) throws IOException {
    ServletInputStream in = request.getInputStream();

            // read spec into a byte array wrapped in a ByteBuffer - can't do it in
            // one read because of a buffer size limit in the InputStream
            byte[] contents = new byte[request.getContentLength()];
            ByteBuffer bytes = ByteBuffer.wrap(contents);
            byte[] buffer = new byte[8192];

            // read chunks from the stream and append them to the ByteBuffer
            int bytesRead;
            while ((bytesRead = in.read(buffer, 0, buffer.length)) > 0) {
                bytes.put(buffer, 0, bytesRead);
            }

            // convert the bytes to a string with the right charset
            String paramStr = new String(contents, "UTF-8");

    // split into params & rebuild map
    Map<String, String> result = new HashMap<String, String>();
    String[] params = paramStr.split("&");
    for (String param : params) {
        String[] parts = param.split("=");
        if (parts.length == 2) {
            result.put(parts[0], parts[1]);
        }
    }
    return result;
}

Source File: ExampleController.java From logbook with MIT License

5 votes

@RequestMapping(path = "/read-byte", produces = TEXT_PLAIN_VALUE)
public void readByte(final HttpServletRequest request, final HttpServletResponse response) throws IOException {

    final ServletInputStream input = request.getInputStream();
    final ServletOutputStream output = response.getOutputStream();

    while (true) {
        final int read = input.read();
        if (read == -1) {
            break;
        }
        output.write(read);
    }
}

Source File: cfFormData.java From openbd-core with GNU General Public License v3.0

5 votes

protected void init( cfSession _session, String enc ) throws UnsupportedEncodingException {
	encoding = enc;

	// --[ if combined, then decode the URI string first of all
	if ( combined ) {
		decodeURIString( _session );
	}

	int contentLength = _session.REQ.getContentLength();
	String contentType = _session.REQ.getContentType();
	if ( contentType == null ) {
		contentType = "";
	}

	isMultipartData = (contentType.indexOf( "multipart/form-data" ) == 0 );
	
	if ( // _session.REQ.getMethod().equals( "POST" ) && // see bug #2696 for why this is commented-out
			( contentLength > 0 ) 
			&& ( !isMultipartData ) ) {
		try {
			int max = contentLength;
			int len = 0;
			incomingRequest = new byte[ contentLength ];
			ServletInputStream is = _session.REQ.getInputStream();
			while ( len < max ) {
				int next = is.read( incomingRequest, len, max - len );
				if (next < 0) {
					break;
				}
				len += next;
			}
			is.close();
		} catch ( IOException ignoreIOexcption ) {}
		
		if ( contentType.indexOf( "application/x-www-form-urlencoded" ) == 0 ) {
			readParams();
		}
	}
}

Source File: Filter6XmlHttpDecode.java From boubei-tss with Apache License 2.0

5 votes

private static String getRequestBody(ServletInputStream sis) throws IOException, UnsupportedEncodingException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    byte[] buffer = new byte[8 * 1024];
    int bLen = sis.read(buffer);
    while ( bLen > 0 ) {
        baos.write(buffer, 0, bLen);
        bLen = sis.read(buffer);
    }
    return new String(baos.toByteArray(), "UTF-8");
}

Source File: TestWebApp.java From spring-boot-starter-netty with GNU General Public License v3.0

5 votes

@RequestMapping(value = "/upload", method = RequestMethod.POST)
@ResponseBody
public String upload(HttpServletRequest request) throws IOException {
    ServletInputStream inputStream = request.getInputStream();
    int total = 0;
    while (true) {
        byte[] bytes = new byte[8192];
        int read = inputStream.read(bytes);
        if (read == -1) {
            break;
        }
        total += read;
    }
    return "Total bytes received: " + total;
}

Source File: CoreMethodArgumentResolver.java From ueboot with BSD 3-Clause "New" or "Revised" License

5 votes

public InputStream cloneInputStream(ServletInputStream inputStream) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len;
    try {
        while ((len = inputStream.read(buffer)) > -1) {
            byteArrayOutputStream.write(buffer, 0, len);
        }
        byteArrayOutputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
}

Source File: AccessLogFilter.java From dremio-oss with Apache License 2.0

5 votes

@Override
public ServletInputStream getInputStream() throws IOException {
  final ServletInputStream inputStream = d.getInputStream();
  return new ServletInputStream() {

    @Override
    public int read() throws IOException {
      int b = inputStream.read();
      if (b != -1) {
        reqBody.write(b);
      }
      return b;
    }

    @Override
    public void setReadListener(ReadListener readListener) {
      inputStream.setReadListener(readListener);
    }

    @Override
    public boolean isReady() {
      return inputStream.isReady();
    }

    @Override
    public boolean isFinished() {
      return inputStream.isFinished();
    }
  };
}

Source File: ProxyController.java From FATE-Serving with Apache License 2.0

5 votes

String binaryReader(HttpServletRequest request) throws IOException {
    int len = request.getContentLength();
    ServletInputStream iii = request.getInputStream();
    byte[] buffer = new byte[len];
    iii.read(buffer, 0, len);
    return new String(buffer);
}

Source File: BodyReaderHttpServletRequestWrapper.java From Spirng-Boot-Sign with MIT License

5 votes

/**
 * Description: 复制输入流</br>
 *
 * @param inputStream
 * @return</br>
 */
public InputStream cloneInputStream(ServletInputStream inputStream) {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];
    int len;
    try {
        while ((len = inputStream.read(buffer)) > -1) {
            byteArrayOutputStream.write(buffer, 0, len);
        }
        byteArrayOutputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return new ByteArrayInputStream(byteArrayOutputStream.toByteArray());
}

Source File: DummyServlet.java From Knowage-Server with GNU Affero General Public License v3.0

5 votes

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
	arrived = true;
	ServletInputStream stream = req.getInputStream();
	int c;
	List<Byte> bytes = new ArrayList<Byte>();
	while ((c = stream.read()) != -1) {
		bytes.add((byte) c);
	}
	body = new byte[bytes.size()];
	for (int i = 0; i < body.length; i++) {
		body[i] = bytes.get(i);
	}
}

Source File: WebDAVLiteServlet.java From Openfire with Apache License 2.0

4 votes

/**
 * Handles a PUT request for uploading files.
 *
 * @param request Object representing the HTTP request.
 * @param response Object representing the HTTP response.
 * @throws ServletException If there was a servlet related exception.
 * @throws IOException If there was an IO error while setting the error.
 */
@Override
protected void doPut(HttpServletRequest request,
                     HttpServletResponse response) throws
            ServletException, IOException {
    // Verify authentication
    if (!isAuthenticated(request, response)) return;

    String path = request.getPathInfo();
    Log.debug("WebDAVLiteServlet: PUT with path = "+path);
    if (request.getContentLength() <= 0) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }
    if (path == null || !path.startsWith("/rooms/")) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }
    String[] pathPcs = path.split("/");
    if (pathPcs.length != 5) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }
    String service = pathPcs[2];
    String room = pathPcs[3];
    String filename = pathPcs[4];

    // Verify authorization
    if (!isAuthorized(request, response, service, room)) return;

    Log.debug("WebDAVListServlet: Service = "+service+", room = "+room+", file = "+filename);
    File file = getFileReference(service, room, filename);
    Boolean overwriteFile = file.exists();
    FileOutputStream fileStream = new FileOutputStream(file, false);
    ServletInputStream inputStream = request.getInputStream();
    byte[] byteArray = new byte[request.getContentLength()];
    int bytesRead = 0;
    while (bytesRead != -1) {
        bytesRead = inputStream.read(byteArray, bytesRead, request.getContentLength());   
    }
    fileStream.write(byteArray);
    fileStream.close();
    inputStream.close();
    if (overwriteFile) {
        response.setStatus(HttpServletResponse.SC_NO_CONTENT);
        response.setHeader("Location", request.getRequestURI());
    }
    else {
        response.setStatus(HttpServletResponse.SC_CREATED);
        response.setHeader("Location", request.getRequestURI());
    }
}

Java Code Examples for javax.servlet.ServletInputStream#read()