Example usage for javax.servlet.jsp.jstl.fmt LocalizationContext getResourceBundle

Introduction

In this page you can find the example usage for javax.servlet.jsp.jstl.fmt LocalizationContext getResourceBundle.

Prototype

public ResourceBundle getResourceBundle() 

Source Link

Document

Gets the resource bundle of this I18N localization context.

Usage

From source file:opa.filter.LoadResourceBundle.java

@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain fc)
        throws IOException, ServletException {

    HttpServletRequest request = (HttpServletRequest) req;
    HttpSession session = request.getSession();

    DatabaseResourceBundle bundle = null;

    InitiativeSetup setup = (InitiativeSetup) session.getAttribute("initiativeSetup");

    LocalizationContext context = (LocalizationContext) Config.get(session, Config.FMT_LOCALIZATION_CONTEXT);

    if (context != null)
        bundle = (DatabaseResourceBundle) context.getResourceBundle();

    if (setup == null || setup.getLang_id() == null) {
        throw new ServletException(
                "Could not get language from InitiativeSetup object in application context.");
    }/*from   ww w . j ava2s  .c o  m*/

    if (bundle == null || !bundle.getLangId().equals(setup.getLang_id())) {
        if (bundle != null) {
            bundle.destroy();
            bundle = null;
        }

        bundle = new DatabaseResourceBundle(jdbcJndi, setup.getLang_id());
        bundle.init();

        /*
          * set the localization context of the session for jsp to process  
          */
        Config.set(session, Config.FMT_LOCALIZATION_CONTEXT, new LocalizationContext(bundle, null));

        log.info("setting language for current user to: " + bundle.getLangId());
    }

    fc.doFilter(req, res);
}

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From source file:org.displaytag.localization.I18nJstlAdapter.java

/**
 * @see I18nResourceProvider#getResource(String, String, Tag, PageContext)
 *//*from   w w w .ja  v a  2 s  .c  o m*/
public String getResource(String resourceKey, String defaultValue, Tag tag, PageContext pageContext) {

    // if titleKey isn't defined either, use property
    String key = (resourceKey != null) ? resourceKey : defaultValue;
    String title = null;
    ResourceBundle bundle = null;

    // jakarta jstl implementation, there is no other way to get the bundle from the parent fmt:bundle tag
    Tag bundleTag = TagSupport.findAncestorWithClass(tag, BundleSupport.class);
    if (bundleTag != null) {
        BundleSupport parent = (BundleSupport) bundleTag;
        if (key != null) {
            String prefix = parent.getPrefix();
            if (prefix != null) {
                key = prefix + key;
            }
        }
        bundle = parent.getLocalizationContext().getResourceBundle();
    }

    // resin jstl implementation, more versatile (we don't need to look up resin classes)
    if (bundle == null) {
        Object cauchoBundle = pageContext.getAttribute("caucho.bundle"); //$NON-NLS-1$
        if (cauchoBundle != null && cauchoBundle instanceof LocalizationContext) {
            bundle = ((LocalizationContext) cauchoBundle).getResourceBundle();

            // handle prefix just like resin does
            String prefix = (String) pageContext.getAttribute("caucho.bundle.prefix"); //$NON-NLS-1$
            if (prefix != null) {
                key = prefix + key;
            }
        }
    }

    // standard jstl localizationContest
    if (bundle == null) {
        // check for the localizationContext in applicationScope, set in web.xml
        LocalizationContext localization = BundleSupport.getLocalizationContext(pageContext);

        if (localization != null) {
            bundle = localization.getResourceBundle();
        }
    }

    if (bundle != null) {
        try {
            title = bundle.getString(key);
        } catch (MissingResourceException e) {
            log.debug(Messages.getString("Localization.missingkey", key)); //$NON-NLS-1$

            // if user explicitely added a titleKey we guess this is an error
            if (resourceKey != null) {
                title = UNDEFINED_KEY + resourceKey + UNDEFINED_KEY;
            }
        }
    }

    return title;
}

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From source file:org.wso2.carbon.ui.taglibs.TooltipsGenerator.java

/**
 * This method is used to get the resource bundle define in a jsp page.
 * @return return the resource bundle//  w  w  w  .  ja v a2  s  .  com
 */
public ResourceBundle getCommonResourceBundleForJspPage() {
    Tag t = findAncestorWithClass(this, BundleSupport.class);
    LocalizationContext localizationContext;
    if (t != null) {
        // use resource bundle from parent <bundle> tag
        BundleSupport parent = (BundleSupport) t;
        localizationContext = parent.getLocalizationContext();

    } else {
        localizationContext = BundleSupport.getLocalizationContext(pageContext);
    }
    return localizationContext.getResourceBundle();
}

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