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package com.sun.rave.web.ui.renderer;
import com.sun.rave.web.ui.component.Meta;
import com.sun.rave.web.ui.component.util.Util;
import java.beans.Beans;
import java.io.IOException;
import java.lang.NullPointerException;
import java.lang.StringBuffer;
import java.net.URL;
import java.util.Map;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
/**
* <p>This class is responsible for rendering the meta component for the
* HTML Render Kit.</p> <p> The meta component can be used as an Meta</p>
*/
public class MetaRenderer extends AbstractRenderer {
// -------------------------------------------------------- Static Variables
/**
* <p>The set of String pass-through attributes to be rendered.</p>
*/
private static final String stringAttributes[] =
{ "name", "content", "scheme"}; //NOI18N
// -------------------------------------------------------- Renderer Methods
/**
* <p>Render the start of an Meta (Meta) tag.</p>
* @param context <code>FacesContext</code> for the current request
* @param component <code>UIComponent</code> to be rendered
* @param writer <code>ResponseWriter</code> to which the element
* start should be rendered
* @exception IOException if an input/output error occurs
*/
protected void renderStart(FacesContext context, UIComponent component,
ResponseWriter writer) throws IOException {
//intentionally left blank
}
/**
* <p>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.</p>
* @param context <code>FacesContext</code> for the current request
* @param component <code>UIComponent</code> to be rendered
* @param writer <code>ResponseWriter</code> to which the element
* attributes should be rendered
* @exception IOException if an input/output error occurs
*/
protected void renderAttributes(FacesContext context, UIComponent component,
ResponseWriter writer) throws IOException {
//intentionally left blank
}
/**
* <p>Close off the Meta tag.</p>
* @param context <code>FacesContext</code> for the current request
* @param component <code>UIComponent</code> to be rendered
* @param writer <code>ResponseWriter</code> to which the element
* end should be rendered
* @exception IOException if an input/output error occurs
*/
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
}
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