Example usage for javax.servlet ServletRequest getProtocol

Introduction

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

Prototype

public String getProtocol();

Source Link

Document

Returns the name and version of the protocol the request uses in the form <i>protocol/majorVersion.minorVersion</i>, for example, HTTP/1.1.

Usage

From source file:com.evon.injectTemplate.InjectTemplateFilter.java

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

    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;

    StringWriter writer = new StringWriter();
    BufferedResponseWrapper wrapper = new BufferedResponseWrapper((HttpServletResponse) response, writer);
    chain.doFilter(request, wrapper);/*  w w w.j  av a  2 s.c o  m*/

    String contentType = null;
    String uri = httpRequest.getRequestURI();

    contentType = httpResponse.getContentType();

    if (contentTypes.containsKey(uri)) {
        contentType = contentTypes.get(uri);
    } else if (contentType != null) {
        contentTypes.put(uri, contentType);
    }
    contentType = (contentType == null) ? "none" : contentType;

    String out = writer.getBuffer().toString();

    boolean requestedURIIsTheTemplate = false;

    requestedURIIsTheTemplate = InjectUtils.isTemplate(uri);

    boolean contentTypeIsText = !wrapper.isBinary() && contentType != null && !contentType.equals("none");

    if (requestedURIIsTheTemplate || !contentTypeIsText) {
        if (contentTypeIsText) {
            response.getWriter().print(out);
        }
        return;
    }

    if (!templateLodaded && !templateLodadedStarted) {
        loadTemplates(httpRequest);
    }

    TemplateBean template = getTemplatePathByURI(uri);

    if (template == null) {
        response.getWriter().print(out);
        return;
    }

    String key = null;

    if (template.cache.equals("SESSION")) {
        String cookiesNames = getCookieHashs(httpRequest);
        key = template.path + cookiesNames;
    } else if (template.cache.equals("ON"))

    {
        key = template.path;

    }

    if (!templates.containsKey("/" + template.path)) {
        throw new ServletException("Template [" + template.path + "] not founded");
    }

    boolean needRefresh = template.refreshInSeconds > 0
            && ((System.currentTimeMillis() - template.lastUpdate) / 1000) > template.refreshInSeconds;

    boolean replaceTemplate = template.cache.equals("OFF") || !htmlContents.containsKey(key) || needRefresh;

    /*   pra investigar erro de nulo,    
          boolean notExist = key==null || !htmlContents.containsKey(key);
     * if(!notExist)
          {
             notExist=!notExist;
             //throw new ServletException("content not exist");
          }
       */

    if (replaceTemplate) {
        if (needRefresh) {
            template.lastUpdate = System.currentTimeMillis();
        }

        try {
            loadContentTemplate(template, request.getServerName(), request.getServerPort(),
                    request.getProtocol().contains("HTTPS"), httpRequest);
        } catch (Exception e) {
            throw new ServletException(e.getMessage(), e);
        }
    }

    HTMLInfoBean templateHTML = templates.get("/" + template.path);

    String contentTemplate = htmlContents.get(key).getContent();
    IDocument docOut = HTMLParser.parse(out);

    for (String selector : templateHTML.getSelectors()) {
        IElements elements = docOut.select(selector);
        if (elements.size() == 0) {
            System.out.println("WARNING: Selector [" + selector + "] in template [" + templateHTML.getUri()
                    + "] not founded in [" + httpRequest.getRequestURI() + "]");
            continue;
        }
        if (elements.size() != 1) {
            System.out.println(
                    "WARNING: Selector get many elements. Choosed the first to URI: " + templateHTML.getUri());
        }
        IElement element = elements.get(0);
        String innerHTML = element.html();

        contentTemplate = contentTemplate.replace("<INJECT selector='" + selector + "'/>", innerHTML);
    }

    response.getWriter().print(contentTemplate);
}

---

• «
• 1
• 2
• »