Java ResponseWriter.startElement方法代碼示例

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
private void _preRenderIconBlock(
  FacesContext     context,
  RenderingContext rc
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  // Icon cell
  writer.startElement(XhtmlConstants.TABLE_DATA_ELEMENT, null);

  // Icons need to be in a table to stretch well
  writer.startElement(XhtmlConstants.TABLE_ELEMENT, null);
  OutputUtils.renderLayoutTableAttributes(context, rc, "0", null);
  writer.writeAttribute(XhtmlConstants.STYLE_ATTRIBUTE, "width: 100%", null);

  writer.startElement(XhtmlConstants.TABLE_BODY_ELEMENT, null);
  writer.startElement(XhtmlConstants.TABLE_ROW_ELEMENT, null);
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
private void _renderEmptyCell(FacesContext context, RenderingContext rc, TableRenderingContext tContext,
                              int physicalColumn, String text, int colspan)
  throws IOException
{
  ColumnData colData = tContext.getColumnData();
  ResponseWriter writer = context.getResponseWriter();
  // root columns only, so headerID is singleton
  // rather than space-separated list
  String colID = colData.getHeaderID(physicalColumn);
  colData.setCurrentHeaderID(colID);
  colData.setColumnIndex(physicalColumn, ColumnData.SPECIAL_COLUMN_INDEX);
  writer.startElement(XhtmlConstants.TABLE_DATA_ELEMENT, null);
  renderCellFormatAttributes(context, rc, tContext);
  if (colspan > 1)
    writer.writeAttribute(XhtmlConstants.COLSPAN_ATTRIBUTE, colspan, null);
  if (text != null)
    writer.writeText(text, null);
  writer.endElement(XhtmlConstants.TABLE_DATA_ELEMENT);
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
private void _renderMarginSpacer(
  UIXRenderingContext context,
  UINode           node,
  Integer          rowSpan
  ) throws IOException
{
  Integer marginIndent = _getMarginIndent(context, node);
  
  ResponseWriter writer = context.getResponseWriter();

  writer.startElement("td", null);
  writer.writeAttribute("rowspan", rowSpan, null);
  
  if (marginIndent != null)
  {
    renderSpacer(context, marginIndent, _ZERO);
  }
  
  writer.endElement("td");
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
/**
 * Renders a vertical spacer for a specified non-null height.
 */
protected final void renderVerticalSpacer(FacesContext context,
  Object height, Object id, UIComponent comp)
  throws IOException
{
  if (height != null)
  {
    ResponseWriter writer = context.getResponseWriter();
    writer.startElement("div", comp);
    writer.writeAttribute("id", id, null);
    String heightString = height.toString();
    if (heightString.length() != 0)
    {
      //pu: CSS mandates specifying units, a crude sanity check if height
      //  does not already contain units, if yes treat it as pixels.
      boolean isUnitsNotSpecified =
        Character.isDigit(heightString.charAt(heightString.length() -
            1));
      if (isUnitsNotSpecified)
        heightString += "px";
      writer.writeAttribute("style", "margin-top:" + heightString, null);
    }
    writer.endElement("div");
  }
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@SuppressWarnings("unchecked")
protected void renderKids(
  FacesContext          context,
  RenderingContext      rc,
  TableRenderingContext trc,
  UIComponent           column
  ) throws IOException
{
  boolean renderedOne = false;
  for(UIComponent child : (List<UIComponent>)column.getChildren())
  {
    if (child.isRendered())
    {
      // Put each component on a separate line, separated by a div
      if (renderedOne)
      {
        ResponseWriter rw = context.getResponseWriter();
        rw.startElement("div", null);
        rw.endElement("div");
      }
      else
      {
        renderedOne = true;
      }

      encodeChild(context, child);
    }
  }
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@Override
protected void renderIndexedChild(
  UIXRenderingContext context,
  UINode           node,
  int              currVisChildIndex,
  int              prevVisChildIndex,
  int              nextVisChildIndex,
  int              ithRenderedChild
  ) throws IOException
{   

  // don't render a div around the first or last item
  // as traditionally in stackLayout these items can flow into 
  // previous and subsequent nodes.
  if ( prevVisChildIndex == NO_CHILD_INDEX ||
       nextVisChildIndex == NO_CHILD_INDEX )
  {
    super.renderIndexedChild(context, node, currVisChildIndex);      
  }
  else
  {
    ResponseWriter writer = context.getResponseWriter();
    writer.startElement("div", null);
    super.renderIndexedChild(context, node, currVisChildIndex);
    writer.endElement("div");
  }
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
private void _renderLinkStart(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean,
  String           parameterString
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  if (!supportsNavigation(rc)) {
    rw.startElement("span", null);
  }
  else if (supportsScripting(rc))
  {
    String onclick = getOnclick(component, bean);
    rw.startElement("a", null);
    onclick = XhtmlUtils.getChainedJS(onclick, parameterString, true);
    rw.writeAttribute("onclick", onclick, null);
    rw.writeURIAttribute("href", "#", null);
  }
  // For Non-JavaScript browsers, render an input element(type=submit) to
  // submit the page. Encode the name attribute with the parameter name
  // and value thus it would enable the browsers to include the name of
  // this element in its payLoad if it submits the page.
  else
  {
    rw.startElement("input", null);
    rw.writeAttribute("type", "submit", null);
    rw.writeURIAttribute("name", parameterString, null);
  }
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@Override
protected void renderFieldCellContents(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  // The structure of this part of the DOM looks like this:
  // +------------------+-----------+
  // | indexed children | end facet |
  // +------------------+-----------+
  ResponseWriter rw = context.getResponseWriter();
  rw.startElement("table", component);
  OutputUtils.renderLayoutTableAttributes(context, rc, "0", null/*width*/);

  UIComponent end = getFacet(component, CorePanelLabelAndMessage.END_FACET);

  // Build the main row:
  rw.startElement("tr", null);
  rw.startElement("td", null);
  encodeAllChildren(context, component);
  rw.endElement("td");

  // For narrow-screen PDAs, End facet is rendered vertically
  // below the Help facet. So skip the End facet rendering here.
  if (end != null && !supportsNarrowScreen(rc))
  {
    rw.startElement("td", null);
    // =-= mcc TODO apply className for "af|panelLabelAndMessage::end-facet"
    // renderStyleClass(context, arc, ...);
    //apply className for "af|panelLabelAndMessage::help-facet"
    encodeChild(context, end);
    rw.endElement("td");
  }

  rw.endElement("tr");
  rw.endElement("table");
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
protected void renderRepeatingImage(
  UIXRenderingContext context,
  String           backgroundImageURL,
  Object           height
  ) throws IOException
{
  if (backgroundImageURL != null)
  {
    ResponseWriter writer = context.getResponseWriter();
    
    renderLayoutTableHeader(context, ZERO, "100%");


    // Get the absolute URL based on the base image uri
    writeAbsoluteImageURI(context, "background", backgroundImageURL);
    if (height != null)
    {
      writer.writeAttribute("height", height, null);
    }
    
    writer.startElement("tr", null);
    writer.startElement("td", null);
  writer.writeAttribute("height","1px",null);
    
    writer.endElement("td");
    writer.endElement("tr");
    writer.endElement("table");
  }
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@SuppressWarnings("unchecked")
@Override
protected void encodeAll(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  writer.startElement(XhtmlConstants.FIELDSET_ELEMENT, component);
  renderAllAttributes(context, rc, component, bean, false);
  renderStyleAttributes(context, rc, component, bean, getRootStyle());

  UIComponent captionFacet = getFacet(component, CorePanelCaptionGroup.CAPTION_FACET);
  String captionText = getCaptionText(component, bean);

  // Render either the caption facet or the captionText
  if (captionFacet != null || captionText != null)
  {
    writer.startElement(XhtmlConstants.LEGEND_ELEMENT, null);
    renderStyleClass(context, rc, getCaptionStyle());

    if (captionFacet != null)
      encodeChild(context, captionFacet);
    else
      writer.writeText(captionText, "captionText");

    writer.endElement(XhtmlConstants.LEGEND_ELEMENT);
  }

  // Output all the body of the component
  encodeAllChildren(context, component);

  writer.endElement(XhtmlConstants.FIELDSET_ELEMENT);
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@Override
protected void encodeAllAsElement(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  Converter converter = getConverter(component, bean);
  if ( converter == null)
    converter = getDefaultConverter(context, component, bean);
  boolean valuePassThru = getValuePassThru(component, bean);

  if (isAutoSubmit(component, bean))
    AutoSubmitUtils.writeDependencies(context, rc);

  // Only add in validators and converters when we're in valuePassThru
  // mode; otherwise, there's not enough on the client to even consider
  FormData fData = rc.getFormData();
  if (fData != null)
  {
    ((CoreFormData) fData).addOnSubmitConverterValidators(component,
                    valuePassThru ? converter : null,
                    valuePassThru ? getValidators(component, bean) : null,
                    getClientId(context, component),
                    isImmediate(component, bean),
                    getRequired(component, bean),
                    getRequiredMessageKey());
  }

  List<SelectItem> selectItems = getSelectItems(component, converter, false);

  int selectedIndex = _getSelectedIndex(context,
                                        component,
                                        bean,
                                        selectItems,
                                        converter,
                                        valuePassThru);

  ResponseWriter writer = context.getResponseWriter();
  boolean simple = getSimple(component, bean);
  if (simple)
  {
    writer.startElement("span", component);
    // put the outer style class here, like af_selectOneRadio, styleClass,
    // inlineStyle, 'state' styles like p_AFDisabled, etc.
    renderRootDomElementStyles(context, rc, component, bean);
  }

  encodeElementContent(context,
                       rc,
                       component,
                       bean,
                       selectItems,
                       selectedIndex,
                       converter,
                       valuePassThru);



  if (isHiddenLabelRequired(rc))
    renderShortDescAsHiddenLabel(context, rc, component, bean);

  if (simple)
  {
    writer.endElement("span");
  }
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@Override
protected void encodeAll(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  super.encodeAll(context, rc, component, bean);

  String icon = getIcon(component, bean);
  String text = getText(component, bean);

  ResponseWriter writer = context.getResponseWriter();
      
  boolean isPIE = Agent.PLATFORM_PPC.equalsIgnoreCase(
                             rc.getAgent().getPlatformName());
                             
  // While handling a PPR response, Windows Mobile cannot DOM replace
  // a table element. Wrapping a table element with a div element fixes
  // the problem.                               
  if (isPIE)
  {  
    writer.startElement("div", component);
    renderId(context, component);
    // The frame table
    writer.startElement(XhtmlConstants.TABLE_ELEMENT, null);
  }
  else
  {
    writer.startElement(XhtmlConstants.TABLE_ELEMENT, component);
    renderId(context, component);
  }
  
  renderAllAttributes(context, rc, component, bean);
  writer.startElement(XhtmlConstants.TABLE_BODY_ELEMENT, null);

  if (hasChildren(component) || text != null || icon != null)
  {
    // There's something to render to let build the frame
    _renderContainerTopRow(context, rc);

    _renderMiddleRow(context, rc, component, bean, icon, text);

    _renderContainerBottomRow(context, rc);
  }

  writer.endElement(XhtmlConstants.TABLE_BODY_ELEMENT);
  writer.endElement(XhtmlConstants.TABLE_ELEMENT);
  
  if (isPIE)
    writer.endElement("div");
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
@Override
protected void renderIndexedChild(
  UIXRenderingContext context,
  UINode           node,
  int              index
  )throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  boolean selected = (index == getResolvedSelectedIndexFromCache(
    context, node));

   if ( selected)
  {
    if ( renderStyleElements(context))
    {
      writer.startElement("b", null);

      // Render the tab link
      super.renderIndexedChild( context, node, index);

      writer.endElement("b");
    }
    else
    {
      writer.startElement("span", null);
      renderStyleClassAttribute(
        context,
        BaseDesktopConstants.AF_MENU_BAR_SELECTED_STYLE_CLASS);
      // Render the tab link
      super.renderIndexedChild( context, node, index);
      writer.endElement("span");
    }
  }
  else
  {
    if ( renderStyleElements(context))
    {
      // Render the tab link
      super.renderIndexedChild( context, node, index);
    }
    else
    {
      writer.startElement("span", null);
      renderStyleClassAttribute(
        context,
        BaseDesktopConstants.AF_MENU_BAR_ENABLED_STYLE_CLASS);
      // Render the tab link
      super.renderIndexedChild( context, node, index);
      writer.endElement("span");
    }
  }

}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
/**
 * @todo see if bug 2484841 still applies!
 */
private void _renderFieldCell(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean,
  boolean          labelExists,
  boolean          needsPanelFormLayout,
  boolean          isInline
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  rw.startElement("td", null);

  rw.writeAttribute("valign", "top", null);
  if (isDesktop(rc))
  {
    // On PDA browsers where width is limited, the field data is
    // allowed to wrap.
    rw.writeAttribute("nowrap", Boolean.TRUE, null);
  }

  renderStyleClass(context, rc, SkinSelectors.AF_CONTENT_CELL_STYLE_CLASS );

  if (labelExists)
    rw.writeAttribute("width",
                      rc.getProperties().get(_FIELD_CELL_WIDTH_KEY),
                      null);

  renderFieldCellContents(context, rc, component, bean);

  // The panelForm places messages below the fields, not on a separate
  // row:
  if (needsPanelFormLayout)
  {
    // =-= mcc PPR PROBLEM!!!  We should always be rendering the "div",
    //     and always rendering an ID, if we ever want it to be PPR
    //     replaceable:
    if (isInline || hasMessage(context, rc, component, bean))
    {
      rw.startElement("div", null);
      renderStyleClass(context, rc,
                       SkinSelectors.AF_COMPONENT_MESSAGE_CELL_STYLE_CLASS);
      _renderMessageCellContents(context, rc, component, bean);
      rw.endElement("div");
    }
  }

  // bug 2484841: PDA: TOO MUCH WHITESPACE BETWEEN
  //                   INPUT ELEMENTS IN LABELEDFIELD
  // This is a browser bug workaround, hopefully we can remove it eventually
  if (isPDA(rc) && isIE(rc))
  {
    rw.startElement("div", null);
    renderSpacer(context, rc, "1", "0");
    rw.endElement("div");
  }

  rw.endElement("td");
}
 

import javax.faces.context.ResponseWriter; //導入方法依賴的package包/類
/**
 * Renders the text with the access key highlighted as appropriate.
 */
protected void renderAccessKeyText(
  UIXRenderingContext context,
  Object           textValue,
  int              keyIndex,
  String           accessKeyClass
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  if (textValue != null)
  {
    // create the String containing the access key, if any.
    // we don't render access key indicators on Netscape because
    // Netscape doesn't support accesskeys
    if ((keyIndex != -1) && supportsAccessKeys(context))
    {
      String textString = textValue.toString();

      char[] textChars = textString.toCharArray();

      // write text before the mnemonic
      writer.writeText(textChars, 0, keyIndex);

      if (accessKeyClass != null && accessKeyClass.length() > 0){
      
        writer.startElement ("span", null);
        XhtmlRenderer.renderStyleClass (context.getFacesContext(), 
                                        RenderingContext.getCurrentInstance(),  
                                        accessKeyClass);                                          
        writer.writeText (textChars, keyIndex, 1);
        writer.endElement ("span");
        
        // write text after the mnemonic
        keyIndex++;
      }

      int charsLeft = textChars.length - keyIndex;

      if (charsLeft > 0)
      {
        writer.writeText(textChars, keyIndex, charsLeft);
      }
    }
    else
    {
      // output the text directly since we have no access key
      writer.writeText(textValue, null);
    }
  }
}