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, int scope);

Source Link

Document

Return the object associated with the name in the specified scope or null if not found.

Usage

From source file:net.ontopia.topicmaps.db2tm.Utils.java

/**
 * INTERNAL: Helper method for maintaining a relation mapping
 * instance throughout a page context./*  w  w w .  j  a va  2  s.c  o m*/
 */
public static RelationMapping getRelationMapping(PageContext ctxt) {
    RelationMapping db = (RelationMapping) ctxt.getAttribute("RelationMapping", PageContext.APPLICATION_SCOPE);
    if (db == null) {
        db = new RelationMapping();
        ctxt.setAttribute("RelationMapping", db, PageContext.APPLICATION_SCOPE);
    }
    return db;
}

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From source file:net.ontopia.topicmaps.nav2.utils.FrameworkUtils.java

/**
 * INTERNAL: Gets user object out of session scope.
 *///  w ww.j  a v a 2 s . com
public static UserIF getUser(PageContext pageContext, boolean create) {
    try {
        Object obj = pageContext.getAttribute(NavigatorApplicationIF.USER_KEY, PageContext.SESSION_SCOPE);
        if (obj != null && obj instanceof UserIF)
            return (UserIF) obj;
        else
            // if no user object exists just create a new one
            return (create ? createUserSession(pageContext) : null);

    } catch (java.lang.IllegalStateException e) {

        // sessions not allowed in page, so get the user from the request scope instead
        Object obj = pageContext.getAttribute(NavigatorApplicationIF.USER_KEY, PageContext.REQUEST_SCOPE);
        if (obj != null && obj instanceof UserIF)
            return (UserIF) obj;
        else
            // if no user object exists just create a new one
            return (create ? createUserSession(pageContext, PageContext.REQUEST_SCOPE) : null);

    }
}

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From source file:com.icesoft.faces.webapp.parser.ImplementationUtil.java

/**
 * Returns the component tag stack, including checking in the current
 * request as is the strategy of JSF 1.1_02
 * @param pageContext//from  w w w  .  j  ava 2  s  .c om
 * @return list being the component tag stack
 */
public static List getComponentStack(PageContext pageContext) {
    List list = (List) pageContext.getAttribute(getComponentStackKey(), PageContext.REQUEST_SCOPE);
    if (null == list) {
        list = (List) FacesContext.getCurrentInstance().getExternalContext().getRequestMap()
                .get(getComponentStackKey());
    }
    return list;

}

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From source file:net.ontopia.topicmaps.nav2.utils.FrameworkUtils.java

/**
 * INTERNAL: Returns the values retrieved from the given variable
 * names or qnames in the order given.//from w  ww .  ja  v  a 2  s.  c  o  m
 *
 * @param params - variable names or qnames, separated by whitespaces.
 */
private static List getMultipleValuesAsList(String params, PageContext pageContext) throws JspTagException {
    log.debug("getMultipleValuesAsList");
    // find parsecontext
    NavigatorPageIF ctxt = (NavigatorPageIF) pageContext.getAttribute(NavigatorApplicationIF.CONTEXT_KEY,
            PageContext.REQUEST_SCOPE);
    ParseContextIF pctxt = (ParseContextIF) ctxt.getDeclarationContext();

    // get the values
    String[] names = StringUtils.split(params);
    List varlist = new ArrayList(names.length);
    for (int i = 0; i < names.length; i++) {
        Collection values;

        if (names[i].indexOf(':') != -1) {
            // it's a qname
            try {
                values = Collections.singleton(pctxt.getObject(new QName(names[i])));
            } catch (AntlrWrapException e) {
                throw new JspTagException(e.getException().getMessage() + " (in action parameter list)");
            }
        } else
            // it's a variable name
            values = InteractionELSupport.extendedGetValue(names[i], pageContext);

        varlist.add(values);
    }
    return varlist;
}

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From source file:jp.terasoluna.fw.web.taglib.TagUtil.java

/**
 * wBeanwXR?[v?B/*from   w  w w .  java  2  s. co m*/
 * ?scopeNameNull??PageScope?B
 * 
 * @param pageContext y?[WReLXg
 * @param name Bean
 * @param scopeName BeanXR?[v
 * @return Bean
 * @throws JspException vXR?[v???
 */
public static Object lookup(PageContext pageContext, String name, String scopeName) throws JspException {

    if (scopeName == null) {
        return pageContext.findAttribute(name);
    }

    return pageContext.getAttribute(name, getScope(scopeName));

}

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From source file:de.iteratec.iteraplan.presentation.tags.TagUtils.java

/**
 * Locate and return the specified bean, from an optionally specified scope, in the specified page
 * context. If no such bean is found, return <code>null</code> instead.
 * /*from  www. jav a  2 s.c o m*/
 * @param pageContext
 *          Page context to be searched
 * @param name
 *          Name of the bean to be retrieved
 * @param scopeName
 *          Scope to be searched (page, request, session, application) or <code>null</code> to use
 *          <code>findAttribute()</code> instead
 * @return JavaBean in the specified page context
 * @throws JspException
 *           if an invalid scope name is requested
 */
public static Object lookup(PageContext pageContext, String name, String scopeName) throws JspException {

    if (scopeName == null) {
        return pageContext.findAttribute(name);
    }

    return pageContext.getAttribute(name, getScope(scopeName));
}

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From source file:com.eurelis.opencms.admin.xmltransformation.ui.CmsXmlMockProcessDialog.java

public static CmsXmlMockProcessDialog newInstance(PageContext context, HttpServletRequest req,
        HttpServletResponse res) {/* www  . j  ava  2s . c  o m*/

    String currentParamSessionSortCol = (String) context.getAttribute("sort_column", PageContext.SESSION_SCOPE);
    CmsListOrderEnum currentSessionSortOrder = (CmsListOrderEnum) context.getAttribute("sort_order",
            PageContext.SESSION_SCOPE);

    String requestParamSessionSortCol = req.getParameter(PARAM_SORT_COL);
    String action = req.getParameter(PARAM_ACTION);

    CmsListOrderEnum listOrder;

    boolean refreshList = false;

    if (currentParamSessionSortCol == null || requestParamSessionSortCol == null) {
        listOrder = CmsListOrderEnum.ORDER_ASCENDING;
        requestParamSessionSortCol = LIST_COLUMN_PATH;
    } else {
        if (action.equals(LIST_SORT)) {

            if (requestParamSessionSortCol.equals(currentParamSessionSortCol)) {
                refreshList = true;
                if (currentSessionSortOrder.equals(CmsListOrderEnum.ORDER_ASCENDING)) {
                    listOrder = CmsListOrderEnum.ORDER_DESCENDING;
                } else {
                    listOrder = CmsListOrderEnum.ORDER_ASCENDING;
                }

            } else {
                listOrder = CmsListOrderEnum.ORDER_ASCENDING;
            }

        } else {
            listOrder = currentSessionSortOrder;
        }

    }

    context.setAttribute("sort_order", listOrder, PageContext.SESSION_SCOPE);
    context.setAttribute("sort_column", requestParamSessionSortCol, PageContext.SESSION_SCOPE);

    CmsXmlMockProcessDialog returnObject = new CmsXmlMockProcessDialog(
            new CmsJspActionElement(context, req, res), LIST_ID,
            Messages.get().container(Messages.GUI_MOCK_PROCESS_LIST_NAME_0), requestParamSessionSortCol,
            listOrder, null);

    if (refreshList) {
        returnObject.refreshList();
    }

    return returnObject;

}

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From source file:net.ontopia.topicmaps.webed.impl.utils.TagUtils.java

public static String getRequestId(PageContext pageContext) {
    return (String) pageContext.getAttribute(FormTag.REQUEST_ID_ATTRIBUTE_NAME, PageContext.REQUEST_SCOPE);
}

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From source file:net.ontopia.topicmaps.webed.impl.utils.TagUtils.java

/**
 * Gets the name of the action group as an attribute value (residing
 * in the page scope).//from w ww.  ja  v  a 2 s. c o m
 */
public static String getActionGroup(PageContext pageContext) {
    return (String) pageContext.getAttribute(Constants.RA_ACTIONGROUP, PageContext.REQUEST_SCOPE);
}

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From source file:com.googlecode.jtiger.modules.ecside.util.ExtremeUtils.java

/**
 * Get the bean out of the proper scope.
 *///from  w w  w . j ava2 s . c  om
public static Object retrieveFromScope(PageContext pageContext, String name, String scope) {
    if (StringUtils.isBlank(scope)) {
        return pageContext.findAttribute(name);
    }

    int scopeType = PageContext.REQUEST_SCOPE;

    if (scope.equalsIgnoreCase("page")) {
        scopeType = PageContext.PAGE_SCOPE;
    } else if (scope.equalsIgnoreCase("application")) {
        scopeType = PageContext.APPLICATION_SCOPE;
    } else if (scope.equalsIgnoreCase("session")) {
        scopeType = PageContext.SESSION_SCOPE;
    }

    return pageContext.getAttribute(name, scopeType);
}

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