Example usage for javax.servlet.jsp PageContext getResponse

List of usage examples for javax.servlet.jsp PageContext getResponse

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Introduction

In this page you can find the example usage for javax.servlet.jsp PageContext getResponse.

Prototype


abstract public ServletResponse getResponse();

Source Link

Document

The current value of the response object (a ServletResponse).

Usage

From source file:de.laures.cewolf.taglib.tags.ChartImgTag.java

/**
 * Build the image url/* w w w .j  a  v a2 s . c o  m*/
 * @param renderer the url of the renderer
 * @param pageContext Page context
 * @param sessionKey The session key for the image stored.
 * @param width The width 
 * @param height The height
 * @param mimeType the mime-type (for example png) of it
 * @return The full url 
 */
public static String buildImgURL(String renderer, PageContext pageContext, String sessionKey, int width,
        int height, String mimeType, boolean forceSessionId, boolean removeAfterRender) {
    renderer = fixAbsolutURL(renderer, pageContext);
    final HttpServletResponse response = (HttpServletResponse) pageContext.getResponse();
    StringBuffer url = new StringBuffer(response.encodeURL(renderer));
    if (url.toString().indexOf(WebConstants.SESSIONID_KEY) == -1) {
        if (forceSessionId) {
            final String sessionId = pageContext.getSession().getId();
            url.append(";" + WebConstants.SESSIONID_KEY + "=" + sessionId);
        }
    }
    url.append("?" + WebConstants.IMG_PARAM + "=" + sessionKey);
    url.append(WebConstants.AMPERSAND + WebConstants.WIDTH_PARAM + "=" + width);
    url.append(WebConstants.AMPERSAND + WebConstants.HEIGHT_PARAM + "=" + height);
    if (removeAfterRender) {
        url.append(WebConstants.AMPERSAND + WebConstants.REMOVE_AFTER_RENDERING + "=true");
    }
    url.append(WebConstants.AMPERSAND + "iehack=" + MIMEExtensionHelper.getExtensionForMimeType(mimeType));
    return url.toString();
}

From source file:com.redhat.rhn.frontend.taglibs.list.ListTagUtil.java

/**
 * Includes arbitrary _local_ url as content
 * @param ctx caller's page context//from w w  w.ja va 2 s .co  m
 * @param url local url
 * @throws JspException if something goes wrong
 *
 * Note: Local means Urls in the same application
 */
public static void includeContent(PageContext ctx, String url) throws JspException {
    HttpServletRequest request = (HttpServletRequest) ctx.getRequest();
    HttpServletResponse response = (HttpServletResponse) ctx.getResponse();
    RequestDispatcher rd = request.getSession(true).getServletContext().getRequestDispatcher(url);
    if (rd == null) {
        ListTagUtil.write(ctx, "<!-- " + url + " not found -->");
    } else {
        try {
            BufferedResponseWrapper wrapper = new BufferedResponseWrapper(response);
            rd.include(request, wrapper);
            wrapper.flush();
            ListTagUtil.write(ctx, wrapper.getBufferedOutput());
        } catch (Exception e) {
            throw new JspException(e);
        }
    }
}

From source file:dk.netarkivet.archive.webinterface.BitpreserveFileState.java

/**
 * Processes a checksum request./*  w  w  w.  j  a  v  a  2s .  c  o m*/
 * <p>
 * The name of a bitarchive must always be given in parameter Constants.BITARCHIVE_NAME_PARAM.
 * <p>
 * If parameter Constants.FILENAME_PARAM is given, file info for that file will be returned, and all actions will
 * work on that file.
 * <p>
 * If parameter Constants.FIX_ADMIN_CHECKSUM_PARAM is given, the admin data checksum will be fixed for the file.
 * <p>
 * If parameter Constants.CREDENTIALS and Constants.CHECKSUM_PARAM is given, removes and reuploads a file with that
 * checksum in the given bitarchive, using the credentials for authorisation.
 *
 * @param res the result object. This is updated with result information, and expected to be printed to the
 * resulting page.
 * @param context the current JSP pagecontext.
 * @return The file preservation state for a file, if a filename is given in the request. Null otherwise.
 * @throws ArgumentNotValid If the context or res is null.
 */
public static PreservationState processChecksumRequest(StringBuilder res, PageContext context)
        throws ArgumentNotValid {
    ArgumentNotValid.checkNotNull(res, "StringBuilder res");
    ArgumentNotValid.checkNotNull(context, "PageContext context");
    ServletRequest request = context.getRequest();
    Locale l = context.getResponse().getLocale();
    HTMLUtils.forwardOnIllegalParameter(context, Constants.BITARCHIVE_NAME_PARAM, Replica.getKnownNames());
    String bitarchiveName = request.getParameter(Constants.BITARCHIVE_NAME_PARAM);
    Replica bitarchive = Replica.getReplicaFromName(bitarchiveName);
    String filename = request.getParameter(Constants.FILENAME_PARAM);
    String fixadminchecksum = request.getParameter(Constants.FIX_ADMIN_CHECKSUM_PARAM);
    String credentials = request.getParameter(Constants.CREDENTIALS_PARAM);
    String checksum = request.getParameter(Constants.CHECKSUM_PARAM);

    // Parameter validation. Get filename. Complain about missing filename
    // if we are trying to do actions.
    if (filename == null) { // param "file" not set - no action to take
        if (fixadminchecksum != null || credentials != null || checksum != null) {
            // Only if an action was intended do we complain about
            // a missing file.
            res.append(I18N.getString(l, "errormsg;lack.name.for.file.to.be.corrected.in.0", bitarchiveName));
        }
        return null;
    }

    // At this point we know that the parameter filename is given.
    // Now we check for actions.
    ActiveBitPreservation preserve = ActiveBitPreservationFactory.getInstance();
    if (fixadminchecksum != null) {
        // Action to fix admin.data checksum.
        preserve.changeStateForAdminData(filename);
        res.append(I18N.getString(l, "file.0.now.has.correct.checksum.in.admin.data", filename));
        res.append("<br/>");
    } else if (checksum != null || credentials != null) {
        // Action to replace a broken file with a correct file.
        // Both parameters must be given.
        if (checksum == null) { // param CHECKSUM_PARAM not set
            res.append(I18N.getString(l, "errormsg;lack.checksum.for.corrupted.file.0", filename));
            res.append("<br/>");
        } else if (credentials == null) { // param CREDENTIALS_PARAM not set
            res.append(I18N.getString(l, "errormsg;lacking.privileges.to.correct.in.replica"));
            res.append("<br/>");
        } else {
            // Parameters are correct. Fix the file and report result.
            try {
                preserve.replaceChangedFile(bitarchive, filename, credentials, checksum);
                res.append(I18N.getString(l, "file.0.has.been.replaced.in.1", filename, bitarchive));
                res.append("<br/>");
            } catch (Exception e) {
                res.append(I18N.getString(l, "errormsg;attempt.at.restoring.0.in.replica" + ".at.1.failed",
                        filename, bitarchive));
                res.append("<br/>");
                res.append(e.getMessage());
                res.append("<br/>");
                log.warn("Attempt at restoring '" + filename + "' in bitarchive on replica '" + bitarchive
                        + "' failed", e);
            }
        }
    }

    return preserve.getPreservationState(filename);
}

From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Get the locale according to header context information.
 *
 * @param context The context of the web page request.
 * @return The locale given in the the page response.
 *///from  www  .  j a v  a  2s. c om
public static Locale getLocaleObject(PageContext context) {
    ArgumentNotValid.checkNotNull(context, "context");
    return context.getResponse().getLocale();
}

From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Prints the header information for the webpages in the GUI. This includes the navigation menu, and links for
 * changing the language. The title of the page is generated internationalised from sitesections. If you want to
 * specify it, use the overloaded method.
 *
 * @param context The context of the web page request.
 * @throws IOException if an error occurs during writing of output.
 *///  w ww  . j a v  a 2 s. c om
public static void generateHeader(PageContext context) throws IOException {
    ArgumentNotValid.checkNotNull(context, "context");
    String url = ((HttpServletRequest) context.getRequest()).getRequestURL().toString();
    Locale locale = context.getResponse().getLocale();
    String title = getTitle(url, locale);
    generateHeader(title, context);
}

From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Prints the header information for the webpages in the GUI. This includes the navigation menu, and links for
 * changing the language. The title of the page is generated internationalised from sitesections. If you want to
 * specify it, use the overloaded method.
 *
 * @param context The context of the web page request.
 * @throws IOException if an error occurs during writing of output.
 *//*from www  . j  a va 2s .  co m*/
public static void generateHeader(PageContext context, String... jsToInclude) throws IOException {
    ArgumentNotValid.checkNotNull(context, "context");
    String url = ((HttpServletRequest) context.getRequest()).getRequestURL().toString();
    Locale locale = context.getResponse().getLocale();
    String title = getTitle(url, locale);
    generateHeader(title, context, jsToInclude);
}

From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Prints the header information for the webpages in the GUI. This includes the navigation menu, and links for
 * changing the language. The title of the page is generated internationalised from sitesections. If you want to
 * specify it, use the overloaded method.
 *
 * @param context The context of the web page request.
 * @param refreshInSeconds auto-refresh time in seconds
 * @throws IOException if an error occurs during writing of output.
 *///from   www .  j av  a 2s.c o m
public static void generateHeader(PageContext context, long refreshInSeconds) throws IOException {
    ArgumentNotValid.checkNotNull(context, "context");
    String url = ((HttpServletRequest) context.getRequest()).getRequestURL().toString();
    Locale locale = context.getResponse().getLocale();
    String title = getTitle(url, locale);
    generateHeader(title, refreshInSeconds, context);
}

From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Prints the header information for the webpages in the GUI. This includes the navigation menu, and links for
 * changing the language.//from www  . java2s.  c  om
 *
 * @param title An internationalised title of the page.
 * @param context The context of the web page request.
 * @param refreshInSeconds auto-refresh time in seconds
 * @throws IOException if an error occurs during writing to output.
 */
public static void generateHeader(String title, long refreshInSeconds, PageContext context) throws IOException {
    ArgumentNotValid.checkNotNull(title, "title");
    ArgumentNotValid.checkNotNull(context, "context");

    JspWriter out = context.getOut();
    String url = ((HttpServletRequest) context.getRequest()).getRequestURL().toString();
    Locale locale = context.getResponse().getLocale();
    title = escapeHtmlValues(title);
    log.debug("Loaded URL '" + url + "' with title '" + title + "'");
    out.print(WEBPAGE_HEADER_TEMPLATE_TOP);
    if (refreshInSeconds > 0) {
        out.print(WEBPAGE_HEADER_AUTOREFRESH.replace(TITLE_PLACEHOLDER, Long.toString(refreshInSeconds)));
    }
    out.print(WEBPAGE_HEADER_TEMPLATE_BOTTOM.replace(TITLE_PLACEHOLDER, title).replace(JS_PLACEHOLDER, ""));
    // Start the two column / one row table which fills the page
    out.print("<table id =\"main_table\"><tr>\n");
    // fill in data in the left column
    generateNavigationTree(out, url, locale);
    // The right column contains the active form content for this page
    out.print("<td valign = \"top\" >\n");
    // Language links
    generateLanguageLinks(out);
}

From source file:dk.netarkivet.common.webinterface.HTMLUtils.java

/**
 * Prints the header information for the webpages in the GUI. This includes the navigation menu, and links for
 * changing the language./*from   w w w  .jav a  2 s . c  om*/
 *
 * @param title An internationalised title of the page.
 * @param context The context of the web page request.
 * @param jsToInclude path(s) to external .js files to include in header.
 * @throws IOException if an error occurs during writing to output.
 */
public static void generateHeader(String title, PageContext context, String... jsToInclude) throws IOException {
    ArgumentNotValid.checkNotNull(title, "title");
    ArgumentNotValid.checkNotNull(context, "context");

    JspWriter out = context.getOut();
    String url = ((HttpServletRequest) context.getRequest()).getRequestURL().toString();
    Locale locale = context.getResponse().getLocale();
    title = escapeHtmlValues(title);
    log.debug("Loaded URL '" + url + "' with title '" + title + "'");
    out.print(WEBPAGE_HEADER_TEMPLATE_TOP);

    String includeJs = "";
    if (jsToInclude != null && jsToInclude.length > 0) {
        for (String js : jsToInclude) {
            includeJs += "<script type=\"text/javascript\" src=\"" + js + "\"></script>\n";
        }
    }

    out.print(WEBPAGE_HEADER_TEMPLATE_BOTTOM.replace(TITLE_PLACEHOLDER, title).replace(JS_PLACEHOLDER,
            includeJs));
    // Start the two column / one row table which fills the page
    out.print("<table id =\"main_table\"><tr>\n");
    // fill in data in the left column
    generateNavigationTree(out, url, locale);
    // The right column contains the active form content for this page
    out.print("<td valign = \"top\" >\n");
    // Language links
    generateLanguageLinks(out);
}

From source file:net.jcreate.xkins.Context.java

/**
 * Constructor que recibe el pageContext y de ah saca el request, session y servletContext.
 * @param pctx//from  w ww  .  j av a 2 s.co m
 */
public Context(PageContext pctx) {
    this.servletRequest = pctx.getRequest();
    this.servletResponse = pctx.getResponse();
}