Examples with PageContext javax.servlet.jsp.PageContext used on opensource projects

Example 16 with PageContext

use of javax.servlet.jsp.PageContext in project Openfire by igniterealtime.

the class FlashMessageTag method doTag.

@Override
public void doTag() throws IOException {
    final PageContext pageContext = (PageContext) getJspContext();
    final JspWriter jspWriter = pageContext.getOut();
    final HttpSession session = pageContext.getSession();
    for (final String flash : new String[] { SUCCESS_MESSAGE_KEY, WARNING_MESSAGE_KEY, ERROR_MESSAGE_KEY }) {
        final Object flashValue = session.getAttribute(flash);
        if (flashValue != null) {
            jspWriter.append(String.format("<div class='%s'>%s</div>", flash, flashValue));
            session.setAttribute(flash, null);
        }
    }
}

Example 17 with PageContext

use of javax.servlet.jsp.PageContext in project tomcat by apache.

the class ImplicitObjectELResolver method getValue.

@Override
public Object getValue(ELContext context, Object base, Object property) {
    Objects.requireNonNull(context);
    if (base == null && property != null) {
        int idx = Arrays.binarySearch(SCOPE_NAMES, property.toString());
        if (idx >= 0) {
            PageContext page = (PageContext) context.getContext(JspContext.class);
            context.setPropertyResolved(base, property);
            switch(idx) {
                case APPLICATIONSCOPE:
                    return ScopeManager.get(page).getApplicationScope();
                case COOKIE:
                    return ScopeManager.get(page).getCookie();
                case HEADER:
                    return ScopeManager.get(page).getHeader();
                case HEADERVALUES:
                    return ScopeManager.get(page).getHeaderValues();
                case INITPARAM:
                    return ScopeManager.get(page).getInitParam();
                case PAGECONTEXT:
                    return ScopeManager.get(page).getPageContext();
                case PAGESCOPE:
                    return ScopeManager.get(page).getPageScope();
                case PARAM:
                    return ScopeManager.get(page).getParam();
                case PARAM_VALUES:
                    return ScopeManager.get(page).getParamValues();
                case REQUEST_SCOPE:
                    return ScopeManager.get(page).getRequestScope();
                case SESSION_SCOPE:
                    return ScopeManager.get(page).getSessionScope();
            }
        }
    }
    return null;
}

Example 18 with PageContext

use of javax.servlet.jsp.PageContext in project tomcat by apache.

the class ScopedAttributeELResolver method getFeatureDescriptors.

@Override
public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base) {
    PageContext ctxt = (PageContext) context.getContext(JspContext.class);
    List<FeatureDescriptor> list = new ArrayList<>();
    Enumeration<String> e;
    Object value;
    String name;
    e = ctxt.getAttributeNamesInScope(PageContext.PAGE_SCOPE);
    while (e.hasMoreElements()) {
        name = e.nextElement();
        value = ctxt.getAttribute(name, PageContext.PAGE_SCOPE);
        FeatureDescriptor descriptor = new FeatureDescriptor();
        descriptor.setName(name);
        descriptor.setDisplayName(name);
        descriptor.setExpert(false);
        descriptor.setHidden(false);
        descriptor.setPreferred(true);
        descriptor.setShortDescription("page scoped attribute");
        descriptor.setValue("type", value.getClass());
        descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
        list.add(descriptor);
    }
    e = ctxt.getAttributeNamesInScope(PageContext.REQUEST_SCOPE);
    while (e.hasMoreElements()) {
        name = e.nextElement();
        value = ctxt.getAttribute(name, PageContext.REQUEST_SCOPE);
        FeatureDescriptor descriptor = new FeatureDescriptor();
        descriptor.setName(name);
        descriptor.setDisplayName(name);
        descriptor.setExpert(false);
        descriptor.setHidden(false);
        descriptor.setPreferred(true);
        descriptor.setShortDescription("request scope attribute");
        descriptor.setValue("type", value.getClass());
        descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
        list.add(descriptor);
    }
    if (ctxt.getSession() != null) {
        e = ctxt.getAttributeNamesInScope(PageContext.SESSION_SCOPE);
        while (e.hasMoreElements()) {
            name = e.nextElement();
            value = ctxt.getAttribute(name, PageContext.SESSION_SCOPE);
            FeatureDescriptor descriptor = new FeatureDescriptor();
            descriptor.setName(name);
            descriptor.setDisplayName(name);
            descriptor.setExpert(false);
            descriptor.setHidden(false);
            descriptor.setPreferred(true);
            descriptor.setShortDescription("session scoped attribute");
            descriptor.setValue("type", value.getClass());
            descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
            list.add(descriptor);
        }
    }
    e = ctxt.getAttributeNamesInScope(PageContext.APPLICATION_SCOPE);
    while (e.hasMoreElements()) {
        name = e.nextElement();
        value = ctxt.getAttribute(name, PageContext.APPLICATION_SCOPE);
        FeatureDescriptor descriptor = new FeatureDescriptor();
        descriptor.setName(name);
        descriptor.setDisplayName(name);
        descriptor.setExpert(false);
        descriptor.setHidden(false);
        descriptor.setPreferred(true);
        descriptor.setShortDescription("application scoped attribute");
        descriptor.setValue("type", value.getClass());
        descriptor.setValue("resolvableAtDesignTime", Boolean.FALSE);
        list.add(descriptor);
    }
    return list.iterator();
}

Example 19 with PageContext

use of javax.servlet.jsp.PageContext in project jodd by oblac.

the class DebugTag method doTag.

@Override
public void doTag() throws JspException, IOException {
    PageContext pageContext = (PageContext) getJspContext();
    JspWriter out = getJspContext().getOut();
    out.println(ServletUtil.debug(pageContext));
}

Example 20 with PageContext

use of javax.servlet.jsp.PageContext in project spring-framework by spring-projects.

the class MessageTagTests method messageTagWithNullCode.

@Test
public void messageTagWithNullCode() throws JspException {
    PageContext pc = createPageContext();
    final StringBuffer message = new StringBuffer();
    MessageTag tag = new MessageTag() {

        @Override
        protected void writeMessage(String msg) {
            message.append(msg);
        }
    };
    tag.setPageContext(pc);
    tag.setCode(null);
    assertTrue("Correct doStartTag return value", tag.doStartTag() == Tag.EVAL_BODY_INCLUDE);
    assertEquals("Correct doEndTag return value", Tag.EVAL_PAGE, tag.doEndTag());
    assertEquals("Correct message", "null", message.toString());
}