Example usage for javax.servlet.jsp PageContext getAttribute

Introduction

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

Prototype

abstract public Object getAttribute(String name);

Source Link

Document

Returns the object associated with the name in the page scope or null if not found.

Usage

From source file:de.micromata.genome.gwiki.page.impl.i18n.GWikiMessageTag.java

@SuppressWarnings("unchecked")
public static void renderPatchDom(PageContext pageContext) throws JspException {
    Object l = pageContext.getAttribute(GWIKI_MESSAGE_ATTR);
    if ((l instanceof List) == false) {
        return;/*  w w w.  j  av  a 2s. c  o  m*/
    }
    List<GWikiMessageTag> tags = (ArrayList<GWikiMessageTag>) l;
    if (tags.isEmpty() == true) {
        return;
    }
    StringBuilder sb = new StringBuilder();
    sb.append("<script type=\"text/javascript\">gwikiPatchI18NElements([");
    boolean first = true;
    for (GWikiMessageTag tag : tags) {
        if (first == false) {
            sb.append(", ");
        } else {
            first = false;
        }
        sb.append("{ id: '" + tag.getTagId() + "', i18nKey: '" + tag.getKeyAttrValue() + "'}");
    }
    sb.append("]);</script>");

    try {
        pageContext.getOut().write(sb.toString());
    } catch (IOException e) {
        throw new JspException(e);
    }

}

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From source file:net.sourceforge.fenixedu.presentationTier.TagLib.content.ContentLinkTag.java

public static Object getObject(final String name, final PageContext pageContext, final String scope) {
    final int pageScope = getPageScope(scope);
    return pageScope == -1 ? pageContext.getAttribute(name) : pageContext.getAttribute(name, pageScope);
}

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

/**
 * Gets the current value of a "persistent" counter
 * @param ctx active PageContext//www . j av  a  2  s  . c  om
 * @param name name of counter
 * @return current value if counter exists, else -1
 */
public static long getPersistentCounterValue(PageContext ctx, String name) {
    long retval = -1;
    Long counter = (Long) ctx.getAttribute(name);
    if (counter != null) {
        retval = counter.longValue();
    }
    return retval;
}

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From source file:eionet.cr.web.util.JstlFunctions.java

/**
 *
 * @param objectValue/*from   w  w  w.  j  ava  2 s . c  o m*/
 * @param pageContext
 * @return
 */
public static boolean isObjectValueDisplayed(String predicate, String objectValue, PageContext pageContext) {

    boolean result = false;
    if (predicate != null) {

        String previousPredicate = (String) pageContext.getAttribute("prevPredicate");
        HashSet<String> objectValues = (HashSet<String>) pageContext.getAttribute("displayedObjectValues");
        if (objectValues == null || previousPredicate == null || !predicate.equals(previousPredicate)) {
            objectValues = new HashSet<String>();
            pageContext.setAttribute("displayedObjectValues", objectValues);
        }

        result = objectValues.contains(objectValue);
        pageContext.setAttribute("prevPredicate", predicate);
        objectValues.add(objectValue);
    }

    return result;
}

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From source file:org.sakaiproject.iclicker.tool.ToolController.java

@SuppressWarnings("unchecked")
public static void addMessage(PageContext context, String key, String message) {
    if (context == null || key == null) {
        throw new IllegalArgumentException(
                "context (" + context + ") and key (" + key + ") must both not be null");
    }/* www  .ja  v  a2s . co  m*/
    if (message != null && !"".equals(message)) {
        String keyVal = ICLICKER_MESSAGES + key;
        if (context.getAttribute(keyVal) == null) {
            context.setAttribute(keyVal, new Vector<String>(), PageContext.REQUEST_SCOPE);
        }
        List<String> l = (List<String>) context.getAttribute(keyVal, PageContext.REQUEST_SCOPE);
        l.add(message);
    }
}

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

/**
 * Locates the current ListCommand/* ww  w  .j  a v a2  s  .  c  o  m*/
 * @param caller tag calling the method
 * @param ctx caller's page context
 * @return ListCommand if found, otherwise null
 */
public static ListCommand getCurrentCommand(Tag caller, PageContext ctx) {
    ListTag parent = null;
    if (!(caller instanceof ListTag)) {
        parent = (ListTag) BodyTagSupport.findAncestorWithClass(caller, ListTag.class);
    } else {
        parent = (ListTag) caller;
    }
    if (parent != null) {
        return (ListCommand) ctx.getAttribute(parent.getUniqueName() + "_cmd");
    }
    return null;
}

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From source file:net.mlw.vlh.web.util.ImagesHomeDisplayHelper.java

/**
 * @see net.mlw.vlh.web.util.DisplayHelper#help(javax.servlet.jsp.PageContext,
 *      java.lang.String)//from w  w w  .  j  a  va 2  s .  co m
 */
public String help(PageContext pageContext, String key) {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Replacing images home '" + (String) pageContext.getAttribute(IMAGES_HOME_ATTRIBUTE_KEY)
                + "' in key '" + key + "'");
    }

    return key.replaceAll("@IMAGES_HOME@", (String) pageContext.getAttribute(IMAGES_HOME_ATTRIBUTE_KEY));
}

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From source file:org.gvnix.datatables.tags.SpringContextHelper.java

/**
 * Returns the current request Spring {@link RequestContext} object. If a
 * {@link RequestContext} is not already available, a new one is created and
 * included in the {@link PageContext}/*from   w w  w.j  a v a 2s.c o  m*/
 * 
 * @param pageContext the current page context
 * @return the {@link RequestContext} related to this request.
 */
public RequestContext getRequestContext(PageContext pageContext) {
    RequestContext requestContext = (RequestContext) pageContext
            .getAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE);
    if (requestContext == null) {
        requestContext = new JspAwareRequestContext(pageContext);
        pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, requestContext);
    }
    return requestContext;
}

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From source file:com.ecyrd.jspwiki.filters.SpamFilter.java

/**
 *  This method checks if the hash value is still valid, i.e. if it exists at all. This
 *  can occur in two cases: either this is a spam bot which is not adaptive, or it is
 *  someone who has been editing one page for too long, and their session has expired.
 *  <p>//from w ww  .  j a va2 s  . c  o m
 *  This method puts a redirect to the http response field to page "SessionExpired"
 *  and logs the incident in the spam log (it may or may not be spam, but it's rather likely
 *  that it is).
 *
 *  @param context The WikiContext
 *  @param pageContext The JSP PageContext.
 *  @return True, if hash is okay.  False, if hash is not okay, and you need to redirect.
 *  @throws IOException If redirection fails
 *  @since 2.6
 */
public static final boolean checkHash(WikiContext context, PageContext pageContext) throws IOException {
    String hashName = getHashFieldName((HttpServletRequest) pageContext.getRequest());

    if (pageContext.getRequest().getParameter(hashName) == null) {
        if (pageContext.getAttribute(hashName) == null) {
            Change change = getChange(context, EditorManager.getEditedText(pageContext));

            log(context, REJECT, "MissingHash", change.m_change);

            String redirect = context.getURL(WikiContext.VIEW, "SessionExpired");
            ((HttpServletResponse) pageContext.getResponse()).sendRedirect(redirect);

            return false;
        }
    }

    return true;
}

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From source file:org.openmrs.web.taglib.FormatTagTest.java

/**
 * This method checks correctness of start tag evaluation of given tag
 * //w  ww. j a  v  a2  s. c  o  m
 * @param pageContext the page context to be used when checking start tag evaluation
 * @param tag the format tag whose doStartTag() method will be evaluated
 * @param object the object to format with given tag
 * @param expected the expected result of object formatting
 */
private void checkStartTagEvaluation(PageContext pageContext, FormatTag tag, Object object, String expected) {
    tag.setObject(object);
    Assert.assertEquals(Tag.SKIP_BODY, tag.doStartTag());
    Assert.assertNotNull(pageContext.getAttribute(ATTRIBUTE_OBJECT_VALUE));
    Assert.assertEquals(expected, pageContext.getAttribute(ATTRIBUTE_OBJECT_VALUE));
}

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