Example usage for javax.servlet ServletRequest getContentLength

Introduction

In this page you can find the example usage for javax.servlet ServletRequest getContentLength.

Prototype

public int getContentLength();

Source Link

Document

Returns the length, in bytes, of the request body and made available by the input stream, or -1 if the length is not known ir is greater than Integer.MAX_VALUE.

Usage

From source file:org.webdavaccess.servlet.WebdavServlet.java

/**
 * Gets properties to be set from request
 * /*from w  ww .  j ava2 s  .  c  o  m*/
 * @param req
 * @return Properties
 * @throws ServletException
 */
private Properties[] getPropertiesToSetOrRemove(ServletRequest req) throws ServletException {
    Properties[] props = new Properties[] { new Properties(), new Properties() };
    if (req.getContentLength() == 0)
        return props;
    DocumentBuilder documentBuilder = getDocumentBuilder();
    try {
        Document document = documentBuilder.parse(new InputSource(req.getInputStream()));
        // Get the root element of the document
        Element rootElement = document.getDocumentElement();
        NodeList childList = rootElement.getChildNodes();

        for (int i = 0; i < childList.getLength(); i++) {
            Node currentNode = childList.item(i);
            switch (currentNode.getNodeType()) {
            case Node.ELEMENT_NODE:
                if ("set".equals(currentNode.getLocalName())) {
                    NodeList propList = currentNode.getChildNodes();
                    for (int j = 0; j < propList.getLength(); j++) {
                        Node propNode = propList.item(j);
                        if ("prop".equals(propNode.getLocalName())) {
                            NodeList propNodes = propNode.getChildNodes();
                            for (int k = 0; k < propNodes.getLength(); k++) {
                                Node node = propNodes.item(k);
                                String pname = node.getNodeName();
                                if (pname == null || pname.trim().length() == 0)
                                    continue;
                                String value = node.getTextContent();
                                props[0].setProperty(pname, value);
                            }
                        }
                    }
                } else if ("remove".equals(currentNode.getLocalName())) {
                    NodeList propList = currentNode.getChildNodes();
                    for (int j = 0; j < propList.getLength(); j++) {
                        Node propNode = propList.item(j);
                        if ("prop".equals(propNode.getLocalName())) {
                            NodeList propNodes = propNode.getChildNodes();
                            for (int k = 0; k < propNodes.getLength(); k++) {
                                Node node = propNodes.item(k);
                                String pname = node.getNodeName();
                                if (pname == null || pname.trim().length() == 0)
                                    continue;
                                String value = node.getTextContent();
                                props[1].setProperty(pname, value);
                            }
                        }
                    }
                }
                break;
            case Node.TEXT_NODE:
            default:
                break;
            }
        }
    } catch (Exception e) {
        throw new ServletException("Unable to parse properties set/remove request");
    }
    return props;
}

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From source file:org.zilverline.web.RequestDumperFilter.java

/**
 * Time the processing that is performed by all subsequent filters in the current filter stack, including the ultimately invoked
 * servlet.//  w w  w .  java  2 s  .  c  o  m
 * 
 * @param request The servlet request we are processing
 * @param response The servlet response we are creating
 * @param chain The filter chain we are processing
 * 
 * @exception IOException if an input/output error occurs
 * @exception ServletException if a servlet error occurs
 */
public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
        throws IOException, ServletException {

    if (filterConfig == null) {
        return;
    }

    log.debug("Request Received at " + (new Timestamp(System.currentTimeMillis())));
    log.debug(" characterEncoding=" + request.getCharacterEncoding());
    log.debug("     contentLength=" + request.getContentLength());
    log.debug("       contentType=" + request.getContentType());
    log.debug("            locale=" + request.getLocale());
    Enumeration locales = request.getLocales();
    StringBuffer localesBuffer = new StringBuffer("           locales=");
    boolean first = true;
    while (locales.hasMoreElements()) {
        Locale locale = (Locale) locales.nextElement();
        if (first) {
            first = false;
        } else {
            localesBuffer.append(", ");
        }
        localesBuffer.append(locale.toString());
    }
    log.debug(localesBuffer);
    Enumeration names = request.getParameterNames();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        StringBuffer paramsBuffer = new StringBuffer();
        paramsBuffer.append("         parameter=" + name + "=");
        String[] values = request.getParameterValues(name);
        for (int i = 0; i < values.length; i++) {
            if (i > 0) {
                paramsBuffer.append(", ");
            }
            paramsBuffer.append(values[i]);
        }
        log.debug(paramsBuffer);
    }
    log.debug("          protocol=" + request.getProtocol());
    log.debug("        remoteAddr=" + request.getRemoteAddr());
    log.debug("        remoteHost=" + request.getRemoteHost());
    log.debug("            scheme=" + request.getScheme());
    log.debug("        serverName=" + request.getServerName());
    log.debug("        serverPort=" + request.getServerPort());
    log.debug("          isSecure=" + request.isSecure());

    // Render the HTTP servlet request properties
    if (request instanceof HttpServletRequest) {
        log.debug("---------------------------------------------");
        HttpServletRequest hrequest = (HttpServletRequest) request;
        log.debug("       contextPath=" + hrequest.getContextPath());
        Cookie[] cookies = hrequest.getCookies();
        if (cookies == null) {
            cookies = new Cookie[0];
        }
        for (int i = 0; i < cookies.length; i++) {
            log.debug("            cookie=" + cookies[i].getName() + "=" + cookies[i].getValue());
        }
        names = hrequest.getHeaderNames();
        while (names.hasMoreElements()) {
            String name = (String) names.nextElement();
            String value = hrequest.getHeader(name);
            log.debug("            header=" + name + "=" + value);
        }
        log.debug("            method=" + hrequest.getMethod());
        log.debug("          pathInfo=" + hrequest.getPathInfo());
        log.debug("       queryString=" + hrequest.getQueryString());
        log.debug("        remoteUser=" + hrequest.getRemoteUser());
        log.debug("requestedSessionId=" + hrequest.getRequestedSessionId());
        log.debug("        requestURI=" + hrequest.getRequestURI());
        log.debug("       servletPath=" + hrequest.getServletPath());
    }
    log.debug("=============================================");

    // Pass control on to the next filter
    chain.doFilter(request, response);

}

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