Example usage for javax.servlet.jsp PageContext getRequest

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

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Introduction

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

Prototype


abstract public ServletRequest getRequest();

Source Link

Document

The current value of the request object (a ServletRequest).

Usage

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

/**
 * Renders the filter UI//from w ww.  j a  v  a2  s . c o  m
 * @param pageContext caller's page context
 * @param filter ListFilter instance
 * @param uniqueName name of the list
 * @param width width of the list
 * @param columnCount list's column count
 * @param searchParent true if list tag allows searching of parent
 * @param searchChild true if the list tag allows searching of child
 * @throws JspException if something bad happens writing to the page
 */
public static void renderFilterUI(PageContext pageContext, ListFilter filter, String uniqueName, String width,
        int columnCount, boolean searchParent, boolean searchChild) throws JspException {
    LocalizationService ls = LocalizationService.getInstance();
    HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
    String filterByKey = makeFilterByLabel(uniqueName);
    String filterBy = request.getParameter(filterByKey);
    String filterValueKey = makeFilterValueByLabel(uniqueName);
    String filterName = makeFilterNameByLabel(uniqueName);
    String filterValue = ListTagHelper.getFilterValue(pageContext.getRequest(), uniqueName);

    //We set this so we know next time around what the old filter value was
    ListTagUtil.write(pageContext, String.format(HIDDEN_TEXT, makeOldFilterValueByLabel(uniqueName),
            StringEscapeUtils.escapeHtml(filterValue)));

    List fields = filter.getFieldNames();
    if (fields == null || fields.size() == 0) {
        throw new JspException("ListFilter.getFieldNames() returned no field names");
    } else if (fields.size() == 1) {
        ListTagUtil.write(pageContext, "<input type=\"hidden\" name=\"");
        ListTagUtil.write(pageContext, filterByKey);
        ListTagUtil.write(pageContext, "\" value=\"");
        ListTagUtil.write(pageContext, fields.get(0).toString());
        ListTagUtil.write(pageContext, "\" />");
    } else {
        ListTagUtil.write(pageContext, ls.getMessage("message.filterby.multiple"));
        ListTagUtil.write(pageContext, "<select name=\"");
        ListTagUtil.write(pageContext, filterByKey);
        ListTagUtil.write(pageContext, "\">");
        for (Iterator iter = fields.iterator(); iter.hasNext();) {
            String field = (String) iter.next();
            ListTagUtil.write(pageContext, "<option value=\"");
            ListTagUtil.write(pageContext, field);
            ListTagUtil.write(pageContext, "\" ");
            if (field.equals(filterBy)) {
                ListTagUtil.write(pageContext, "selected");
            }
            ListTagUtil.write(pageContext, ">");
            ListTagUtil.write(pageContext, field);
            ListTagUtil.write(pageContext, "</option>");
        }
        ListTagUtil.write(pageContext, "</select>");
    }

    filterValue = StringUtil.nullOrValue(filterValue);
    StringBuilder sb = new StringBuilder();

    // create a new row
    sb.append("<div class=\"input-group input-group-sm\">");

    String placeHolder = StringUtils.defaultString(ls.getMessage("message.filterby", fields.get(0).toString()));
    sb.append(String.format(
            "<input autofocus=\"autofocus\" type=\"text\" "
                    + " name=\"%s\" value=\"%s\" class=\"form-control\" placeholder=\"%s\"/>",
            filterValueKey, (filterValue != null ? StringEscapeUtils.escapeHtml(filterValue) : ""),
            StringEscapeUtils.escapeHtml(placeHolder)));
    sb.append("<span class=\"input-group-btn\">");
    sb.append(String.format(
            "<button value=\"%s\" type=\"submit\" name=\"%s\" "
                    + " class=\"btn btn-default spacewalk-button-filter\"><i class=\"fa fa-eye\"></i>",
            ls.getMessage(RequestContext.FILTER_KEY), filterName));
    sb.append("</button>");
    sb.append("</span>");

    sb.append("</div>");

    ListTagUtil.write(pageContext, sb.toString());

}

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

/**
 * Parse an optionally present boolean from a request parameter.
 *
 * @param context The context of the web request.
 * @param param The name of the parameter to parse
 * @param defaultValue A value to return if the parameter is not present (may be null)
 * @return Parsed value or default value if the parameter is missing or empty. Null will only be returned if passed
 * as the default value.//from  w  w  w  .jav  a2 s .  c  o  m
 */
public static boolean parseOptionalBoolean(PageContext context, String param, boolean defaultValue) {
    ArgumentNotValid.checkNotNullOrEmpty(param, "String param");
    String paramValue = context.getRequest().getParameter(param);
    if (paramValue != null && paramValue.trim().length() > 0) {
        paramValue = paramValue.trim();
        return Boolean.parseBoolean(paramValue);
    } else {
        return defaultValue;
    }
}

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  ava  2s .  c  o  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.
 *//*  w w w.  ja v a  2  s.  co 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:org.sakaiproject.iclicker.tool.ToolController.java

public static void addMessage(PageContext context, String key, String messageKey, Object... args) {
    if (context == null || key == null) {
        throw new IllegalArgumentException(
                "context (" + context + ") and key (" + key + ") must both not be null");
    }/*  ww w . jav  a 2s  .com*/
    if (messageKey != null && !"".equals(messageKey)) {
        // get the message from messageSource if possible
        MessageSource ms = (MessageSource) context.findAttribute("messageSource");
        Locale locale = context.getRequest().getLocale();
        String message;
        try {
            message = ms.getMessage(messageKey, args, locale);
        } catch (NoSuchMessageException e) {
            message = "{{INVALID KEY:" + messageKey + "}}";
        }
        addMessage(context, key, message);
    }
}

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

/**
 * Method for executing a batchjob.// ww w .  jav  a  2  s.  c o  m
 *
 * @param context The page context containing the needed information for executing the batchjob.
 */
@SuppressWarnings("rawtypes")
public static void execute(PageContext context) {
    try {
        ServletRequest request = context.getRequest();

        // get parameters
        String filetype = request.getParameter(Constants.FILETYPE_PARAMETER);
        String jobId = request.getParameter(Constants.JOB_ID_PARAMETER);
        String jobName = request.getParameter(Constants.BATCHJOB_PARAMETER);
        String repName = request.getParameter(Constants.REPLICA_PARAMETER);

        FileBatchJob batchjob;

        // Retrieve the list of arguments.
        List<String> args = new ArrayList<String>();
        String arg;
        Integer i = 1;
        // retrieve the constructor to find out how many arguments
        Class c = getBatchClass(jobName);
        Constructor con = findStringConstructor(c);

        // retrieve the arguments and put them into the list.
        while (i <= con.getParameterTypes().length) {
            arg = request.getParameter("arg" + i.toString());
            if (arg != null) {
                args.add(arg);
            } else {
                log.warn("Should contain argument number " + i + ", but "
                        + "found a null instead, indicating missing " + "argument. Use empty string instead.");
                args.add("");
            }
            i++;
        }

        File jarfile = getJarFile(jobName);
        if (jarfile == null) {
            // get the constructor and instantiate it.
            Constructor construct = findStringConstructor(getBatchClass(jobName));
            batchjob = (FileBatchJob) construct.newInstance(args.toArray());
        } else {
            batchjob = new LoadableJarBatchJob(jobName, args, jarfile);
        }

        // get the regular expression.
        String regex = jobId + "-";
        if (filetype.equals(BatchFileType.Metadata.toString())) {
            regex += Constants.REGEX_METADATA;
        } else if (filetype.equals(BatchFileType.Content.toString())) {
            // TODO fix this 'content' regex. (NAS-1394)
            regex += Constants.REGEX_CONTENT;
        } else {
            regex += Constants.REGEX_ALL;
        }

        // validate the regular expression (throws exception if wrong).
        Pattern.compile(regex);

        Replica rep = Replica.getReplicaFromName(repName);

        new BatchExecuter(batchjob, regex, rep).start();

        JspWriter out = context.getOut();
        out.write("Executing batchjob with the following parameters. " + "<br/>\n");
        out.write("BatchJob name: " + jobName + "<br/>\n");
        out.write("Replica: " + rep.getName() + "<br/>\n");
        out.write("Regular expression: " + regex + "<br/>\n");
    } catch (Exception e) {
        throw new IOFailure("Could not instantiate the batchjob.", e);
    }
}

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

/**
 * Parse an optionally present date-value from a request parameter.
 *
 * @param context The context of the web request.
 * @param param The name of the parameter to parse
 * @param format The format of the date, in the format defined by SimpleDateFormat
 * @param defaultValue A value to return if the parameter is not present (may be null)
 * @return Parsed value or default value if the parameter is missing or empty. Null will only be returned if passed
 * as the default value./*from  w  w w  .j  a va2s .  com*/
 * @throws ForwardedToErrorPage if the parameter is present but not parseable as a date
 */
public static Date parseOptionalDate(PageContext context, String param, String format, Date defaultValue) {
    ArgumentNotValid.checkNotNullOrEmpty(param, "String param");
    ArgumentNotValid.checkNotNullOrEmpty(format, "String format");
    String paramValue = context.getRequest().getParameter(param);
    if (paramValue != null && paramValue.trim().length() > 0) {
        paramValue = paramValue.trim();
        try {
            return new SimpleDateFormat(format).parse(paramValue);
        } catch (ParseException e) {
            forwardWithErrorMessage(context, I18N, "errormsg;parameter.0.not.a.date.with.format.1.2", param,
                    format, paramValue);
            throw new ForwardedToErrorPage("Invalid value " + paramValue + " for date parameter '" + param
                    + "' with format '" + format + "'", e);
        }
    } else {
        return defaultValue;
    }
}

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.jav  a  2 s  . c  o m
 *
 * @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.//  w w  w  .  j  ava  2  s .  com
 *
 * @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:com.orange.wro.taglib.tag.OptionalScriptTag.java

@Override
public void doTag() throws JspException, IOException {

    WroConfig conf = WroConfig.getInstance();
    PageContext context = (PageContext) getJspContext();
    StringBuilder builder = new StringBuilder();

    Object lessObj = context.getRequest().getAttribute(WroTagLibConstants.LESS_INJECTED);
    boolean isLessNeeded = lessObj == null ? false : (Boolean) lessObj;

    if (isLessNeeded) {
        logger.debug("Writing LESS JS to output for client side compilation.");
        writeScript(context, builder, conf.getOptions().getLessJsPath());
    }/*ww w . j  a v a 2  s  .co m*/

    context.getOut().append(builder);
}