com.sun.faces.facelets.compiler.EndElementInstruction Maven / Gradle / Ivy
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package com.sun.faces.facelets.compiler;
import com.sun.faces.renderkit.RenderKitUtils;
import com.sun.faces.util.MessageUtils;
import javax.el.ELContext;
import javax.el.ExpressionFactory;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import java.io.IOException;
import java.util.List;
final class EndElementInstruction implements Instruction {
private static final String HEAD_ELEMENT = "head";
private static final String BODY_ELEMENT = "body";
private final String element;
public EndElementInstruction(String element) {
this.element = element;
}
public void write(FacesContext context) throws IOException {
if (HEAD_ELEMENT.equalsIgnoreCase(this.element)) {
warnUnhandledResources(context, HEAD_ELEMENT);
}
if (BODY_ELEMENT.equalsIgnoreCase(this.element)) {
warnUnhandledResources(context, BODY_ELEMENT);
RenderKitUtils.renderUnhandledMessages(context);
}
context.getResponseWriter().endElement(this.element);
}
public Instruction apply(ExpressionFactory factory, ELContext ctx) {
return this;
}
public boolean isLiteral() {
return true;
}
// --------------------------------------------------------- Private Methods
private void warnUnhandledResources(FacesContext ctx, String target) {
UIViewRoot root = ctx.getViewRoot();
if (root != null) {
List headResources =
root.getComponentResources(ctx, target);
if (headResources != null && !headResources.isEmpty()) {
FacesMessage m =
MessageUtils.getExceptionMessage(MessageUtils.NO_RESOURCE_TARGET_AVAILABLE,
target);
ctx.addMessage(null, m);
}
}
}
}