Java 类javax.faces.context.ResponseWriter 实例源码

/**
  * @param context a <code>UIXRenderingContext</code>
  * @param valueAttri a <code>String</code> it is the value attribute  
  *  of the submit button 
  * @param nameAttri  a <code>String</code> it is the name attribute  
  *  of the submit button 
  *
  * This method renders an input element(type= submit) to submit the page.
  * The name attribute of this element is encoded with parameter name and
  * value pairs thus it would enable browsers to include the name of this 
  * element in its payLoad if it submits the page.
  *
  */
private void _renderSubmitButtonNonJSBrowser(
  UIXRenderingContext context,
  String         valueAttri,
  String         nameAttri
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();
  writer.startElement("input", null);
  renderAttribute(context, "type", "submit");
  renderAttribute(context, "value", valueAttri);
  renderAttribute(context, "name", nameAttri);
  renderStyleClassAttribute(context, 
        SkinSelectors.AF_COMMAND_BUTTON_STYLE_CLASS);
  writer.endElement("input");
}

/**
 * renders the regular table column headers.
 */
protected final void renderRegularHeaders(FacesContext context, RenderingContext rc, TableRenderingContext tContext,
                                          UIComponent component, int physicalCol)
  throws IOException
{
  // this renders a whole bunch of <TH>...</TH> elements.
  // if there are columnGroups present, it will render some
  // </TR><TR><TH>...</TH> sequences.
  final ColumnData colData = tContext.getColumnData();
  _renderRegularColumns(context, tContext, component, physicalCol);
  int rowSpan = colData.getHeaderRowSpan();
  if (rowSpan > 1)
  {
    ResponseWriter writer = context.getResponseWriter();
    for (int i = 1; i < rowSpan; i++)
    {
      colData.setRowIndex(i);
      writer.endElement(XhtmlConstants.TABLE_ROW_ELEMENT);
      writer.startElement(XhtmlConstants.TABLE_ROW_ELEMENT, null);
      _renderRegularColumns(context, tContext, component, physicalCol);
    }
  }
}

/**
 * all data tables should call this one, so that a summary tag is written
 * out
 */
protected static void renderLayoutTableAttributes(
  UIXRenderingContext context,
  Object           cellpadding,
  Object           cellspacing,
  Object           border,
  Object           tableWidth,
  Object           summary
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();
  writer.writeAttribute("cellpadding", cellpadding, null);
  writer.writeAttribute("cellspacing", cellspacing, null);
  writer.writeAttribute("border", border, null);
  writer.writeAttribute("width", tableWidth, null);

  if (!isInaccessibleMode(context))
  {
    writer.writeAttribute("summary", summary, null);
  }
}

private void _writeOnclickProperty(
  RenderingContext rc,
  ResponseWriter   rw,
  UIXCommand       commandChild,
  boolean          actionSpecialCase,
  boolean          immediate,
  boolean          partialSubmit
  ) throws IOException
{
  if (actionSpecialCase)
  {
    String onclick = (String)_getCommandChildProperty(commandChild, "onclick");
    String script = _getAutoSubmitScript(rc, immediate, partialSubmit);
    rw.writeAttribute(
      "onclick", XhtmlUtils.getChainedJS(onclick, script, true), "onclick");
  }
  else // simple case, e.g. (destination != null)
  {
    _writeCommandChildProperty(rw, commandChild, "onclick");
  }
}

@Override
public ResponseWriter cloneWithWriter(Writer writer)
{
  try
  {
    TestResponseWriter trw = new TestResponseWriter(writer, getContentType(),
                                                    getCharacterEncoding(),
                                                    _test,
                                                    _result);
    trw._depth = _depth;
    return trw;
  }
  catch (UnsupportedEncodingException e)
  {
    // this can't happen;  the character encoding should already
    // be legal.
    assert(false);
    throw new IllegalStateException();
  }
}

/**
 * 
 * render using the RepeatIdResponseWriter.
 * @param context
 * @param node
 * @throws IOException
 */
@Override
public void render(
  UIXRenderingContext context,
  UINode           node
  ) throws IOException
{
  ResponseWriter oldRW = RepeatIdResponseWriter.install(context.getFacesContext());
  try
  {
    super.render(context, node);
  }
  finally
  {
    RepeatIdResponseWriter.remove(context.getFacesContext(), oldRW);
  }
}

protected void encodeMarkup(FacesContext context, AbstractMenu abstractMenu)
/*     */     throws IOException
/*     */   {
/*  41 */     SentinelMenu menu = (SentinelMenu)abstractMenu;
/*  42 */     ResponseWriter writer = context.getResponseWriter();
/*  43 */     String clientId = menu.getClientId(context);
/*  44 */     String style = menu.getStyle();
/*  45 */     String styleClass = menu.getStyleClass();
/*  46 */     styleClass = "layout-menubar-container " + styleClass;
/*     */ 
/*  48 */     writer.startElement("ul", menu);
/*  49 */     if (shouldRenderId(null)) {
/*  50 */       writer.writeAttribute("id", clientId, "id");
/*     */     }
/*  52 */     writer.writeAttribute("class", styleClass, "styleClass");
/*  53 */     if (style != null) {
/*  54 */       writer.writeAttribute("style", style, "style");
/*     */     }
/*     */ 
/*  57 */     if (menu.getElementsCount() > 0) {
/*  58 */       encodeElements(context, menu, menu.getElements(), 0);
/*     */     }
/*     */ 
/*  61 */     writer.endElement("ul");
/*     */   }

private void _renderText(
  UIXRenderingContext context,
  UINode           node,
  AttributeKey     attrKey
  ) throws IOException
{
  Object value = node.getAttributeValue(context, attrKey);
  if (value != null)
  {
    ResponseWriter writer = context.getResponseWriter();
    if (value instanceof char[])
    {
      char[] text = (char[]) value;
      writer.write(text, 0, text.length);
    }
    else
    {
      writer.write(value.toString());
    }
  }
}

static private void _service(
  FacesContext context,
  String jspName) throws IOException
{
  // Prepare the view tree
  if (NEW_FRAME_REDIRECT_ENTRY.equals(jspName))
    FredJSP.service(context);
  else if (CALENDAR_DIALOG_ENTRY.equals(jspName))
    CalendarDialogJSP.service(context);
  else if (INLINE_DATE_PICKER_ENTRY.equals(jspName))
    InlineDatePickerJSP.service(context);
  else if (COLOR_PICKER_ENTRY.equals(jspName))
    ColorPickerJSP.service(context);
  else
  {
    assert(false);
  }

  // And render
  ResponseWriter rw = context.getResponseWriter();
  rw.startDocument();
  RenderUtils.encodeRecursive(context, context.getViewRoot());
  rw.endDocument();
}

/**
 * Overrride to render in three passes.
 */
@Override
protected void renderContent(
  UIXRenderingContext context,
  UINode           node
  ) throws IOException
{
  // save the inital stauts
  boolean actualLinkStatus = LinkUtils.isSelected(context);
  ResponseWriter writer = context.getResponseWriter();

  LinkRenderer.setSaveModelDisabled(context, true);

  Integer selectedIndex = (Integer)SubTabBarUtils.getSelectedIndex(context);

  // save away the selected index
  context.setLocalProperty( _SELECTED_NODE_KEY, selectedIndex);

  // render pass 1 - row with rendered children
  writer.startElement(DIV_ELEMENT, null);
  super.renderContent(context, node);
  writer.endElement(DIV_ELEMENT);
  LinkRenderer.setSaveModelDisabled(context, false);
  // restore it back to original status
  LinkUtils.setSelected(context,actualLinkStatus);
}

/**
 *  Encodes the disclosed child.
 *
 *  Generates the required markup for the disclosed child.
 *
 * @param context the faces context object
 * @param component the UIComponent object
 * @param detailItem the UIXShowDetailItem thats disclosed
 * @param out the response writer object
 * @throws IOException when some issues while writing output
 */
private void _encodeDetailItem(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  UIXShowDetail    detailItem,
  ResponseWriter   out
  ) throws IOException
{
  out.startElement("table", component);
  out.writeAttribute("cellSpacing", "0", null);
  out.writeAttribute("cellPadding", "0", null);
  out.writeAttribute("summary", "", null);

  renderStyleClass(context, rc, getContentStyleClass());

  out.startElement("tr", component);
  out.startElement("td", component);

  encodeChild(context, detailItem);

  out.endElement("td");
  out.endElement("tr");

  out.endElement("table"); // Ending table for the contained child
}

/**
 * <p>Encode the ending of this component.</p>
 *
 * @param context <code>FacesContext</code> for the current request
 * @param component <code>UIComponent</code> to be encoded
 * @throws java.io.IOException
 */
@Override
public void encodeEnd(FacesContext context, UIComponent component)
        throws IOException {
    if ((context == null) || (component == null)) {
        throw new NullPointerException();
    }

    MapComponent map = (MapComponent) component;
    ResponseWriter writer = context.getResponseWriter();

    writer.startElement("input", map);
    writer.writeAttribute("type", "hidden", null);
    writer.writeAttribute("name", getName(context, map), "clientId");
    writer.endElement("input");
    writer.endElement("map");
}

@Override
public void encodeAll(FacesContext context) throws IOException {
    ResponseWriter writer = context.getResponseWriter();
    UIComponent parent = this;

    while (!(parent instanceof Map)) {
        parent = parent.getParent();
    }

    Map mapComponent = (Map) parent;
    String mapVar = mapComponent.getJsVariable();

    String isBaseLayer = getIsBaseLayer();
    String newLayer = "var newOsmLayer = new ol.layer.Tile({  source: new ol.source.OSM()});\n";
    String addLayer;

    if (isBaseLayer != null && isBaseLayer.equals("true")) {
        addLayer = "var layersCollection = " + mapVar + ".getLayers(); layersCollection.insertAt(0, newOsmLayer);\n";
    } else {
        addLayer = mapVar + ".addLayer(newOsmLayer);\n";
    }

    writer.write(newLayer + addLayer);
}

protected void appendIconAndText(
  FacesContext        context,
  RenderingContext    rc,
  ResponseWriter      rw,
  String              iconUri,
  Map<String, Object> itemData,
  boolean             isDisabled,
  boolean             isRtl
  ) throws IOException
{
  if ( (iconUri != null) && !isRtl )
  {
    _appendIcon(context, rw, iconUri, isRtl, rc);
  }
   _writeItemLink(context, rc, rw, itemData, isDisabled);
  if ( (iconUri != null) && isRtl )
  {
    _appendIcon(context, rw, iconUri, isRtl, rc);
  }
}

private void _renderMarginSpacer(
  FacesContext     context,
  RenderingContext rc,
  Integer          rowSpan
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  writer.startElement("td", null);
  writer.writeAttribute("rowspan", rowSpan, null);
  Object spacerWidth = rc.getSkin().getProperty(
     SkinProperties.AF_PANEL_BORDER_LAYOUT_SPACER_WIDTH);
  if (spacerWidth != null)
    renderSpacer(context, rc, spacerWidth.toString(), "0");
  writer.endElement("td");
}

@Override
protected void encodeAll(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();
  writer.startElement("body", component);
  renderId(context, component);
  renderAllAttributes(context, rc, component, bean);
  super.encodeAll(context, rc, component, bean);

  // Output a version comment at the bottom of the body
  _writeVersionInformation(context, rc);
}

@Override
protected void renderPPRSupport(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  super.renderPPRSupport(context, rc, component, bean);
  if (getFirstClickPassed(component, bean))
  {
    ResponseWriter writer = context.getResponseWriter();
    writer.startElement("script", null);
    renderScriptDeferAttribute(context, rc);
    renderScriptTypeAttribute(context, rc);
    writer.writeText("var _pprFirstClickPass=true;", null);
    writer.endElement("script");
  }
}

private void _renderStartOfLink(
  UIXRenderingContext context,
  boolean      vertical,
  boolean      isLastChild) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  if (vertical)
  {
    writer.startElement(DIV_ELEMENT, null);
  }

  // Breadcrumbs wrap within a page depending on the size of the
  // browser window. The wrap occurs to the right of the greater-than
  // symbol that follows after the breadcrumb text string,
  // and not within the text string itself.
  writer.startElement(XhtmlLafConstants.NO_BREAK_ELEMENT, null);
}

private static ResponseWriter _getResponseWriter(FacesContext context)
  throws IOException
{
  ExternalContext external  = context.getExternalContext();
  String contentType = "text/html";
  String encoding = "UTF-8";

  external.setResponseContentType(contentType);
  external.setResponseCharacterEncoding(encoding);

  ResponseWriter rw = context.getRenderKit().createResponseWriter(
    external.getResponseOutputWriter(),
    contentType,
    encoding);

  context.setResponseWriter(rw);

  return rw;
}

/**
 * render the spinboxes after the text field. Render these even if
 * they are disabled.
 * @param context
 * @param rc
 * @param component
 * @param bean
 * @throws IOException
 */
@Override
protected void renderAfterTextField(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  rw.startElement("td", component);
  rw.writeAttribute("align", "center", null);
  rw.writeAttribute("valign", "middle", null);

  renderStyleClass(context, rc, "af|inputNumberSpinbox::spinbox-cell");
  // use css to put in a space.???
  renderIcon(context, rc, component, bean);
  rw.endElement("td");
  rw.endElement("tr");
  rw.endElement("table");
}

@Override
protected void encodeAll(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  rw.startElement("span", component);
  renderId(context, component);
  renderAllAttributes(context, rc, component, bean);

  if (getDisclosed(component, bean))
  {
    encodeAllChildren(context, component);
  }
  rw.endElement("span");
}

@Override
public void render(
  UIXRenderingContext context,
  UINode           node
  )throws IOException
{
  if ( getVisibleIndexedChildCount(context, node) < 1 )
  {
    ResponseWriter writer = context.getResponseWriter();

    // write out the horizontal rule
    writer.startElement("hr", node.getUIComponent());
    super.renderAttributes(context, node);
    writer.writeAttribute("size", "2", null);
    writer.endElement("hr");
    return;
  }

  super.render(context, node);
}

@Override
protected void outputScriptletContent(
  FacesContext context,
  RenderingContext arc)
  throws IOException
{
  // get the tzOffset for the current date. I will compare this with
  // the tzOffset for the current data in javascript, and use it to
  // manipulate the formatted datefield's value so that it shows the

  // localeContext's timeZone, and not the time zone on the browser.
  TimeZone tz = arc.getLocaleContext().getTimeZone();
  int tzOffsetMinutes = tz.getOffset(System.currentTimeMillis())/(1000*60);
  ResponseWriter writer = context.getResponseWriter();
  writer.writeText("var _uixLocaleTZ=", null);
  writer.writeText(String.valueOf(tzOffsetMinutes), null);
  writer.writeText(";", null);
}

/**
 * @todo GENERIC FIX: need to use renderURIAttribute() in Icon
 *  code to output the Icon URL.  But that'll break a zillion
 *  renderkit tests.
 */
private void _renderArrow(
  FacesContext     context,
  RenderingContext rc,
  Icon             icon,
  boolean          isNext,
  String           onclick
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();
  if (onclick != null)
  {
    writer.startElement("a", null);
    writer.writeURIAttribute("href", "#", null);
    writer.writeAttribute("onclick", onclick, null);
  }

  boolean isEnabled = (onclick != null);
  String titleKey = getIconTitleKey(isNext, isEnabled);
  String title = rc.getTranslatedString(titleKey);
  OutputUtils.renderIcon(context, rc, icon, title, null);

  if (onclick != null)
    writer.endElement("a");
}

public ResponseWriter cloneWithWriter(Writer writer)
{
  PPRResponseWriter ppr = new PPRResponseWriter(
    getResponseWriter().cloneWithWriter(writer),
    this);

  // BIG HACK: The JSF 1.1
  // ViewTag is going to clone the ResponseWriter so that
  // it can write its BodyContent out.  But that'll clone a
  // PPRResponseWriter, which then will adamantly refuse to write
  // out any content!  To "fix" this, we make the lousy assumption
  // that if we're being cloned, and our element depth is zero,
  // then we're probably being used in this way, and we should just
  // let everything through.
  // HOWEVER, in Facelets, cloneWithWriter() is called eaaaaarly.
  // Catch that by ignoring this unless we've at least had a call
  // to startDocument()
  _state.forceInsideTarget = (_state.documentStarted &&
                               (_state.elementDepth == 0));
  return ppr;
}

@Override
protected void postrender(
  UIXRenderingContext context,
  UINode           node
)throws IOException
{
  ResponseWriter writer = context.getFacesContext().getResponseWriter();

  String style = PdaHtmlLafUtils.getStringAttributeValue(context,
                                                   node,
                                                   LIST_STYLE_ATTR);
  if (LIST_STYLE_LOWER_ALPHA.equals(style) ||
      LIST_STYLE_UPPER_ALPHA.equals(style) ||
      LIST_STYLE_DECIMAL.equals(style)
  )
  {
    writer.endElement("ol");
  }
  else
  {
    writer.endElement("ul");
  }
  super.postrender( context, node);
}

public static void writeAbsoluteImageURI(
  UIXRenderingContext context,
  String           attribute,
  String           uri) throws IOException
{
  if ((uri == null) || (uri.length() == 0))
    return;

  ResponseWriter writer = context.getResponseWriter();

  String encodedUri = getBaseImageURI(context) + uri;
  FacesContext facesContext = context.getFacesContext();
  if (facesContext != null)
    encodedUri = facesContext.getExternalContext().encodeResourceURL(encodedUri);
  writer.writeURIAttribute(attribute, encodedUri, null);
}

private void _renderStartTableCell(
  UIXRenderingContext context,
  UINode           node,
  ResponseWriter   writer,
  boolean          renderAsTable,
  boolean          isBaseID
  ) throws IOException
{

  writer.startElement("td", null);
  if (!renderAsTable)
  {
    if (isBaseID)
    {
      renderID(context, node);
    }
  }
}

@Override
protected void encodeAllAsNonElement(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  boolean simple = getSimple(component, bean);
  if (simple)
  {
    rw.startElement("span", component);
    // put the outer style class here, like af_selectManyRadio, styleClass,
    // inlineStyle, 'state' styles like p_AFDisabled, etc.
    renderRootDomElementStyles(context, rc, component, bean);
  }
  super.encodeAllAsNonElement(context, rc, component, bean);
  if (simple)
    rw.endElement("span");
}

/**
 * render the spinbox icons. <div>img</div><div>img</div>
 */
@Override
protected void renderIcon(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  // render increment spinbox image
  rw.startElement("div", component);
  _renderSpinboxIcon(context, rc, component, bean, rw, true);
  rw.endElement("div");

  // render decrement spinbox image
  rw.startElement("div", component);
  _renderSpinboxIcon(context, rc, component, bean, rw, false);
  rw.endElement("div");
}

protected void encodeMarkup(FacesContext context, TagCloud tagCloud) throws IOException {
    ResponseWriter writer = context.getResponseWriter();
    TagCloudModel model = tagCloud.getModel();
    String styleClass = tagCloud.getStyleClass();
    String style = tagCloud.getStyle();
    styleClass = styleClass == null ? TagCloud.STYLE_CLASS : TagCloud.STYLE_CLASS + " " + styleClass;
    writer.startElement("div", tagCloud);
    writer.writeAttribute("id", tagCloud.getClientId(context), "id");
    writer.writeAttribute("class", styleClass, "styleClass");
    if (style != null)
        writer.writeAttribute("style", style, "style");
    writer.startElement("ul", null);
    for (TagCloudItem item : model.getTags()) {
        writer.startElement("li", null);
        writer.writeAttribute("class", "ctsms-tagcloud-strength-" + item.getStrength(), null);
        String onclick = item.getOnclick();
        if (onclick != null && onclick.length() > 0) {
            writer.writeAttribute("onclick", onclick, null);
        }
        writer.writeText(item.getLabel(), null);
        writer.endElement("li");
    }
    writer.endElement("ul");
    writer.endElement("div");
}

private static void _renderSubmitFormCheck(
  FacesContext     context,
  RenderingContext rc
  ) throws IOException
{
  // if scripting isn't supported, no need to do the rest
  if (!supportsScripting(rc))
    return;

  ResponseWriter writer = context.getResponseWriter();
  writer.startElement("script", null);
  renderScriptDeferAttribute(context, rc);
  // Bug #3426092:
  // render the type="text/javascript" attribute in accessibility mode
  renderScriptTypeAttribute(context, rc);

  writer.writeText("_submitFormCheck();", null);
  writer.endElement("script");
}

@Override
public void encodeEnd(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      comp,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  rw.endElement("a");
}

private static void _renderPartialBlocking(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component
  ) throws IOException
{
  if (PartialPageUtils.supportsBlocking(rc))
  {
    ResponseWriter writer = context.getResponseWriter();

    writer.startElement("div",  component);

    writer.writeAttribute("id", _PARTIAL_DIV_ID,
                          null);
    writer.writeAttribute("onclick",
                          _PARTIAL_DIV_CLICK_HANDLER, null);
    writer.writeAttribute("style",
                          _PARTIAL_DIV_STYLE, null);
    writer.writeAttribute("onkeydown", _PARTIAL_DIV_EAT_KEY_HANDLER, null);
    writer.writeAttribute("onkeyup", _PARTIAL_DIV_EAT_KEY_HANDLER, null);
    writer.writeAttribute("onmousedown", _PARTIAL_DIV_EAT_KEY_HANDLER, null);
    writer.writeAttribute("onmouseup", _PARTIAL_DIV_EAT_KEY_HANDLER, null);
    writer.writeAttribute("onkeypress", _PARTIAL_DIV_EAT_KEY_HANDLER, null);

    writer.endElement("div");
  }
}

@Override
protected void encodeAll(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean
  ) throws IOException
{
  ResponseWriter rw = context.getResponseWriter();
  rw.startElement("table", component);
  renderId(context, component);
  renderAllAttributes(context, rc, component, bean);
  renderHAlign(context, rc, getHalign(component, bean));
  // TODO: if TABLES_CAP_ADVANCED and TABLES_CAP_ADVANCED_ATTRS
  // are both false, don't render cell padding, cell spacing, or border

  // Normally, you would think tableLayout would be a layout table. But this component also allows
  // the assignment of a summary, which is usually only present on a data table (and is set to ""
  // for a layout table). So, based on whether there is a summary attribute or not, we'll render as
  // either a data or layout table.
  Object summary = getSummary(component, bean);
  if (summary.equals(""))
  {
    OutputUtils.renderLayoutTableAttributes(context, rc, getCellPadding(component, bean),
      getCellSpacing(component, bean), getBorderWidth(component, bean),
      getWidth(component, bean));
  }
  else
  {
    OutputUtils.renderDataTableAttributes(context, rc, getCellPadding(component, bean),
      getCellSpacing(component, bean), getBorderWidth(component, bean),
      getWidth(component, bean), getSummary(component, bean));
  }

  encodeAllChildren(context, component);

  rw.endElement("table");
}

@Override
public void encodeAll(FacesContext context) throws IOException {
    ResponseWriter writer = context.getResponseWriter();
    UIComponent parent = this;

    while (!(parent instanceof Map)) {
        parent = parent.getParent();
    }

    Map mapComponent = (Map) parent;
    String mapVar = mapComponent.getJsVariable();

    String url = getUrl();
    String layer = getLayer();
    String name = getName();

    String newLayer = "var newLayer = new ol.layer.Image({"
            + "          title: '" + name + "', "
            + "          source: new ol.source.ImageWMS({url: '" + url + "',  "
            + "            params: {'LAYERS': '" + layer
            + "                  ', 'VERSION': '1.1.1'}," 
            + "            serverType: 'geoserver' "
            + "          }) "
            + "        });\n";

    writer.write(newLayer + mapVar + ".addLayer(newLayer);\n");
}

/**
 * Renders the node text
 */
protected void renderText(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  FacesBean        bean,
  boolean          renderAccessKeys,
  boolean          renderID,
  String           text,
  char             accessKey
  ) throws IOException
{

  if (text != null)
  {
    ResponseWriter writer = context.getResponseWriter();

    writer.startElement("span", component);
    if (renderID)
      renderId( context, component);

    if (renderAccessKeys && supportsAccessKeys(rc))
    {
      // hightlight any access keys with an underline
      AccessKeyUtils.renderAccessKeyText(context, text, accessKey,
                                         SkinSelectors.AF_ACCESSKEY_STYLE_CLASS);
    }
    else
    {
      // output the text directly since we have no access key
      writer.writeText(text, null);
    }

    writer.endElement("span");
  }
}

/**
 * Renders one of the inner nodes.
 */
private void _renderInnerNode(
  UIXRenderingContext context,
  UINode           node,
  UINode           innerNode,
  String           innerNodeName
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();

  writer.startElement("td", null);
  writer.writeAttribute("width", "100%", null);
  renderNamedChild(context, node, innerNode, innerNodeName);
  writer.endElement("td");
}

public IndentingResponseWriter(
  ResponseWriter decorated,
  int spacesPerLevel)
{
  super(decorated);
  _spacesPer = spacesPerLevel;
  _isHtml = _HTML_TYPES.contains(decorated.getContentType());
}

private boolean _renderMiddleFacet(
  FacesContext     context,
  RenderingContext rc,
  UIComponent      component,
  String           middleFacetName,
  Integer          rowSpan,
  boolean          startTableRow,
  boolean          renderRightFacets
  ) throws IOException
{
  ResponseWriter writer = context.getResponseWriter();
  UIComponent middleFacet = getFacet(component, middleFacetName);
  if (middleFacet != null)
  {
    if (startTableRow)
      writer.startElement("tr", null);

    _renderInnerFacet(context, middleFacet);

    if (renderRightFacets)
      _renderRightFacets(context, rc, component, rowSpan);

    writer.endElement("tr");
    return true;
  }
  return false;
}