com.sun.webui.jsf.renderkit.html.MetaRenderer Maven / Gradle / Ivy
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package com.sun.webui.jsf.renderkit.html;
import com.sun.faces.annotation.Renderer;
import com.sun.webui.jsf.component.Meta;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
/**
* This class is responsible for rendering the meta component for the
* HTML Render Kit.
The meta component can be used as an Meta
*/
@Renderer(@Renderer.Renders(componentFamily = "com.sun.webui.jsf.Meta"))
public class MetaRenderer extends AbstractRenderer {
// -------------------------------------------------------- Static Variables
/**
* The set of String pass-through attributes to be rendered.
*/
private static final String stringAttributes[] = {"name", "content", "scheme"}; //NOI18N
// -------------------------------------------------------- Renderer Methods
/**
* Render the start of an Meta (Meta) tag.
* @param context FacesContext for the current request
* @param component UIComponent to be rendered
* @param writer ResponseWriter to which the element
* start should be rendered
* @exception IOException if an input/output error occurs
*/
@Override
protected void renderStart(FacesContext context, UIComponent component,
ResponseWriter writer) throws IOException {
//intentionally left blank
}
/**
* Render the attributes for an Meta tag. The onclick attribute will contain
* extra javascript that will appropriately submit the form if the URL field is
* not set.
* @param context FacesContext for the current request
* @param component UIComponent to be rendered
* @param writer ResponseWriter to which the element
* attributes should be rendered
* @exception IOException if an input/output error occurs
*/
@Override
protected void renderAttributes(FacesContext context, UIComponent component,
ResponseWriter writer) throws IOException {
//intentionally left blank
}
/**
* Close off the Meta tag.
* @param context FacesContext for the current request
* @param component UIComponent to be rendered
* @param writer ResponseWriter to which the element
* end should be rendered
* @exception IOException if an input/output error occurs
*/
@Override
protected void renderEnd(FacesContext context, UIComponent component,
ResponseWriter writer) throws IOException {
// End the appropriate element
Meta meta = (Meta) component;
writer.startElement("meta", meta);
addCoreAttributes(context, component, writer, null);
String header = meta.getHttpEquiv();
if (header != null) {
writer.writeAttribute("http-equiv", header, null);
}
addStringAttributes(context, component, writer, stringAttributes);
writer.endElement("meta"); //NOI18N
writer.write("\n"); //NOI18N
}
// --------------------------------------------------------- Private Methods
}