Example usage for javax.servlet RequestDispatcher include

Introduction

In this page you can find the example usage for javax.servlet RequestDispatcher include.

Prototype

public void include(ServletRequest request, ServletResponse response) throws ServletException, IOException;

Source Link

Document

Includes the content of a resource (servlet, JSP page, HTML file) in the response.

Usage

From source file:org.sc.probro.servlets.SkeletonServlet.java

public JSONObject getLocalJSON(HttpServletRequest req, String path)
        throws ServletException, IOException, JSONException, BrokerException {
    RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(path);
    DummyServletResponse response = new DummyServletResponse();
    dispatcher.include(req, response);

    if (response.getStatus() != HttpServletResponse.SC_OK) {
        throw new BrokerException(response.getStatus(), response.getValue());
    }//from w w  w . j a v a 2 s . co m

    String value = response.getValue();
    Log.info(value);
    return new JSONObject(value);
}

---

From source file:org.dspace.app.webui.jsptag.LayoutTag.java

public int doEndTag() throws JspException {
    // Context objects
    ServletRequest request = pageContext.getRequest();
    HttpServletResponse response = (HttpServletResponse) pageContext.getResponse();
    ServletConfig config = pageContext.getServletConfig();

    // header file
    String header = templatePath + "header-default.jsp";

    // Choose default style unless one is specified
    if (style != null) {
        header = templatePath + "header-" + style.toLowerCase() + ".jsp";
    }/*w w w  .j  a  v a  2s  . com*/

    if (sidebar != null) {
        request.setAttribute("dspace.layout.sidebar", sidebar);
    }

    // Now include the header
    try {
        // Set headers to prevent browser caching, if appropriate
        if ((noCache != null) && noCache.equalsIgnoreCase("true")) {
            response.addDateHeader("expires", 1);
            response.addHeader("Pragma", "no-cache");
            response.addHeader("Cache-control", "no-store");
        }

        // Ensure the HTTP header will declare that UTF-8 is used
        // in the response.
        response.setContentType("text/html; charset=UTF-8");

        RequestDispatcher rd = config.getServletContext().getRequestDispatcher(header);

        rd.include(request, response);

        //pageContext.getOut().write(getBodyContent().getString());
        getBodyContent().writeOut(pageContext.getOut());
    } catch (IOException ioe) {
        throw new JspException("Got IOException: " + ioe);
    } catch (ServletException se) {
        log.warn("Exception", se.getRootCause());
        throw new JspException("Got ServletException: " + se);
    }

    // Footer file to use
    String footer = templatePath + "footer-default.jsp";

    // Choose default flavour unless one is specified
    if (style != null) {
        footer = templatePath + "footer-" + style.toLowerCase() + ".jsp";
    }

    try {
        // Ensure body is included before footer
        pageContext.getOut().flush();

        RequestDispatcher rd = config.getServletContext().getRequestDispatcher(footer);

        rd.include(request, response);
    } catch (ServletException se) {
        throw new JspException("Got ServletException: " + se);
    } catch (IOException ioe) {
        throw new JspException("Got IOException: " + ioe);
    }

    style = null;
    title = null;
    sidebar = null;
    navbar = null;
    locbar = null;
    parentTitle = null;
    parentLink = null;
    noCache = null;
    feedData = null;
    return EVAL_PAGE;
}

---

From source file:org.jahia.services.notification.HttpClientService.java

/**
 * Retrieves resource content, specified by the provided URL.
 *
 * @param url the URL of the resource to be retrieved
 * @return the string content of the resource
 * @throws {@link IllegalArgumentException} in case of a malformed URL
 *//* ww  w. j  a  v  a2 s. c o m*/
public String getResourceAsString(String url, HttpServletRequest request, HttpServletResponse response)
        throws IllegalArgumentException {
    if (StringUtils.isEmpty(url)) {
        throw new IllegalArgumentException("Provided URL is null");
    }
    if (isAbsoluteUrl(url)) {
        return getAbsoluteResourceAsString(url);
    }
    if (!url.startsWith("/")) {
        throw new IllegalArgumentException("Provided relative URL does not start with a '/'");
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Asked to get content from the URL: " + url);
    }

    String content = null;

    RequestDispatcher rd = request.getRequestDispatcher(url);
    if (rd != null) {
        StringResponseWrapper wrapper = new StringResponseWrapper(response);
        try {
            rd.include(request, wrapper);
            if (wrapper.getStatus() < 200 || wrapper.getStatus() > 299) {
                logger.warn("Unable to get the content of the resource " + url + ". Got response status code: "
                        + wrapper.getStatus());
            } else {
                content = wrapper.getString();
            }
        } catch (Exception e) {
            logger.warn("Unable to get the content of the resource " + url + ". Cause: " + e.getMessage(), e);
        }
    } else {
        logger.warn("Unable to get a RequestDispatcher for the path " + url);
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Retrieved " + (content != null ? content.length() : 0) + " characters as a response");
        if (logger.isTraceEnabled()) {
            logger.trace("Content:\n" + content);
        }
    }

    return content;
}

---

From source file:cn.org.pomer.web.DirectResult.java

private void doDispatcher(HttpServletResponse response, HttpServletRequest request, String resultCodeAsLocation)
        throws IOException, ServletException {
    if (_log.isInfoEnabled()) {
        _log.info("Forwarding to location:" + resultCodeAsLocation);
    }/*from   ww w  . j av a2  s .c  om*/

    PageContext pageContext = ServletActionContext.getPageContext();
    if (pageContext != null) {
        pageContext.include(resultCodeAsLocation);
        return;
    }

    RequestDispatcher dispatcher = request.getRequestDispatcher(resultCodeAsLocation);
    if (dispatcher == null) {
        response.sendError(404, "result '" + resultCodeAsLocation + "' not found");
        return;
    }

    if (!response.isCommitted() && (request.getAttribute("javax.servlet.include.servlet_path") == null)) {
        request.setAttribute("struts.view_uri", resultCodeAsLocation);
        request.setAttribute("struts.request_uri", request.getRequestURI());

        dispatcher.forward(request, response);
    } else {
        dispatcher.include(request, response);
    }
}

---

From source file:org.nextframework.view.BaseTag.java

private void dispatchToTemplate(String template, PrintWriter writer) throws ServletException, IOException {
    WrappedWriterResponse response = new WrappedWriterResponse(getResponse(), writer);
    RequestDispatcher requestDispatcher = null;
    requestDispatcher = getRequest().getRequestDispatcher(template);
    requestDispatcher.include(getRequest(), response);
}

---

From source file:org.zkoss.zkgrails.ZKGrailsPageFilter.java

protected void applyDecorator(Page page, Decorator decorator, HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    final String uriPath = decorator.getURIPath();
    if (uriPath != null && uriPath.endsWith(".gsp")) {
        request.setAttribute(PAGE, page);

        detectContentTypeFromPage(page, response);

        RequestDispatcher rd = request.getRequestDispatcher(decorator.getURIPath());
        if (!response.isCommitted()) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Rendering layout using forward: " + decorator.getURIPath());
            }//from ww w .j av a2 s . c  o  m
            rd.forward(request, response);
        } else {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Rendering layout using include: " + decorator.getURIPath());
            }
            request.setAttribute(GrailsApplicationAttributes.GSP_TO_RENDER, decorator.getURIPath());
            rd.include(request, response);
            request.removeAttribute(GrailsApplicationAttributes.GSP_TO_RENDER);
        }

        // set the headers specified as decorator init params
        while (decorator.getInitParameterNames().hasNext()) {
            String initParam = (String) decorator.getInitParameterNames().next();
            if (initParam.startsWith("header.")) {
                response.setHeader(initParam.substring(initParam.indexOf('.')),
                        decorator.getInitParameter(initParam));
            }
        }
        request.removeAttribute(PAGE);
    } else {

        super.applyDecorator(page, decorator, request, response);

    }
}

---

From source file:com.wabacus.system.assistant.WabacusAssistant.java

public void includeDynTpl(ReportRequest rrequest, AbsComponentType comObj, String dyntplpath) {
    if (dyntplpath == null || dyntplpath.trim().equals("")
            || dyntplpath.trim().equals(Consts_Private.REPORT_TEMPLATE_NONE)) {
        return;//from   w  ww  .ja v a2  s. c  om
    }
    if (rrequest.isExportToLocalFile()) {
        throw new WabacusRuntimeException("????"
                + comObj.getConfigBean().getPath() + "????");
    }
    rrequest.getRequest().setAttribute("WX_COMPONENT_OBJ", comObj);
    try {
        RequestDispatcher rd = rrequest.getRequest().getRequestDispatcher(dyntplpath.trim());
        rd.include(rrequest.getRequest(), rrequest.getWResponse().getResponse());
    } catch (Exception e) {
        throw new WabacusRuntimeException(
                "?" + dyntplpath + "" + comObj.getConfigBean().getPath() + "", e);
    }
}

---

From source file:org.apache.velocity.tools.view.ImportSupport.java

/**
 *
 * @param url the URL resource to return as string
 * @return the URL resource as string//ww  w  .  j a v a  2  s. c o  m
 * @throws IOException
 * @throws java.lang.Exception
 */
protected String acquireString(String url) throws IOException, Exception {
    // Record whether our URL is absolute or relative
    if (isAbsoluteUrl(url)) {
        // for absolute URLs, delegate to our peer
        BufferedReader r = null;
        try {
            r = new BufferedReader(acquireReader(url));
            StringBuffer sb = new StringBuffer();
            int i;
            // under JIT, testing seems to show this simple loop is as fast
            // as any of the alternatives
            while ((i = r.read()) != -1) {
                sb.append((char) i);
            }
            return sb.toString();
        } finally {
            if (r != null) {
                try {
                    r.close();
                } catch (IOException ioe) {
                    LOG.error("Could not close reader.", ioe);
                }
            }
        }
    } else // handle relative URLs ourselves
    {
        // URL is relative, so we must be an HTTP request
        if (!(request instanceof HttpServletRequest && response instanceof HttpServletResponse)) {
            throw new Exception("Relative import from non-HTTP request not allowed");
        }

        // retrieve an appropriate ServletContext
        // normalize the URL if we have an HttpServletRequest
        if (!url.startsWith("/")) {
            String sp = ((HttpServletRequest) request).getServletPath();
            url = sp.substring(0, sp.lastIndexOf('/')) + '/' + url;
        }

        // strip the session id from the url
        url = stripSession(url);

        // from this context, get a dispatcher
        RequestDispatcher rd = application.getRequestDispatcher(url);
        if (rd == null) {
            throw new Exception("Couldn't get a RequestDispatcher for \"" + url + "\"");
        }

        // include the resource, using our custom wrapper
        ImportResponseWrapper irw = new ImportResponseWrapper((HttpServletResponse) response);
        try {
            rd.include(request, irw);
        } catch (IOException ex) {
            throw new Exception("Problem importing the relative URL \"" + url + "\". " + ex);
        } catch (RuntimeException ex) {
            throw new Exception("Problem importing the relative URL \"" + url + "\". " + ex);
        }

        // disallow inappropriate response codes per JSTL spec
        if (irw.getStatus() < 200 || irw.getStatus() > 299) {
            throw new Exception("Invalid response code '" + irw.getStatus() + "' for \"" + url + "\"");
        }

        // recover the response String from our wrapper
        return irw.getString();
    }
}

---

From source file:com.jeeframework.webframework.filter.dispatcher.JSONJspServletDispatcherResult.java

/**
 * Dispatches to the given location. Does its forward via a
 * RequestDispatcher. If the dispatch fails a 404 error will be sent back in
 * the http response.//ww  w .j  a va  2 s.com
 * 
 * @param finalLocation
 *            the location to dispatch to.
 * @param invocation
 *            the execution state of the action
 * @throws Exception
 *             if an error occurs. If the dispatch fails the error will go
 *             back via the HTTP request.
 */
public void doExecute(String finalLocation, ActionInvocation invocation) throws Exception {
    if (log.isDebugEnabled()) {
        log.debug("Forwarding to location " + finalLocation);
    }

    PageContext pageContext = ServletActionContext.getPageContext();

    if (pageContext != null) {
        pageContext.include(finalLocation);
    } else {

        HttpServletRequest request = ServletActionContext.getRequest();
        HttpServletResponse response = ServletActionContext.getResponse();

        String curFileName = StringUtils.getFileNamePreffix(finalLocation);
        String curFileSuffix = StringUtils.getFilenameExtension(finalLocation);
        String dstFile = curFileName;

        if (curFileName.startsWith(JSONJspServletDispatcherResult.JSONJSP_PREFIX)
                && curFileName.length() > JSONJspServletDispatcherResult.JSONJSP_PREFIX.length()) {
            dstFile = curFileName.substring(JSONJspServletDispatcherResult.JSONJSP_PREFIX.length());
        }
        if (curFileName.endsWith(JSONJspServletDispatcherResult.JSONJSP_SUFFIX)
                && curFileName.length() > JSONJspServletDispatcherResult.JSONJSP_SUFFIX.length()) {
            dstFile = dstFile.substring(0,
                    dstFile.length() - JSONJspServletDispatcherResult.JSONJSP_SUFFIX.length());
        }

        String webroot = System.getProperty(StrutsPrepareAndExecuteFilterWrapper.CUR_DEFAULT_WEBROOT_KEY);
        if (!webroot.endsWith("/") && !webroot.endsWith("\\")) {
            webroot = webroot + "/";
        }

        String dstFilePath = webroot + finalLocation;

        File dstCurjsp = new File(dstFilePath);
        // && !dstCurjsp.exists()
        if (!dstCurjsp.exists()) {
            try {
                String srcFilePath = webroot;//
                if (!(dstFile.startsWith("/") || dstFile.startsWith("\\"))) {
                    srcFilePath = srcFilePath + "/";
                }
                srcFilePath = srcFilePath + dstFile + "." + curFileSuffix;

                File srcCurjsp = new File(srcFilePath);

                String srcCurjspContent = FileUtils.readFileToString(srcCurjsp,
                        StrutsPrepareAndExecuteFilterWrapper.FILE_ENCODING);
                srcCurjspContent = srcCurjspContent.replaceAll("[\r\n\t]", "");

                FileUtils.writeStringToFile(dstCurjsp, srcCurjspContent,
                        StrutsPrepareAndExecuteFilterWrapper.FILE_ENCODING);

            } catch (IOException e) {
                e.printStackTrace();
                System.out.println("? jsonjsp " + dstFilePath + "error");
            }
        }

        RequestDispatcher dispatcher = request.getRequestDispatcher(finalLocation);

        // if the view doesn't exist, let's do a 404
        if (dispatcher == null) {
            response.sendError(404, "result '" + finalLocation + "' not found");

            return;
        }

        // If we're included, then include the view
        // Otherwise do forward
        // This allow the page to, for example, set content type
        if (!response.isCommitted() && (request.getAttribute("javax.servlet.include.servlet_path") == null)) {
            request.setAttribute("struts.view_uri", finalLocation);
            request.setAttribute("struts.request_uri", request.getRequestURI());

            dispatcher.forward(request, response);
        } else {
            dispatcher.include(request, response);
        }
    }
}

---

From source file:com.adobe.acs.commons.errorpagehandler.impl.ErrorPageHandlerImpl.java

@Override
public void includeUsingGET(final SlingHttpServletRequest request, final SlingHttpServletResponse response,
        final String path) {
    if (cache == null || errorImagesEnabled && this.isImageRequest(request)) {
        final RequestDispatcher dispatcher = request.getRequestDispatcher(path);

        if (dispatcher != null) {
            try {
                dispatcher.include(new GetRequest(request), response);
            } catch (Exception e) {
                log.debug("Exception swallowed while including error page", e);
            }//from   ww w.  j  av  a2 s . co  m
        }
    } else {
        final String responseData = cache.get(path, new GetRequest(request), response);
        try {
            response.getWriter().write(responseData);
        } catch (Exception e) {
            log.info("Exception swallowed while including error page", e);
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• »