BehaviorHolderAttachedObjectTargetHandler.java

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package com.sun.faces.facelets.tag.composite;

import javax.faces.context.FacesContext;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.TagAttribute;
import javax.faces.view.facelets.TagConfig;


public class BehaviorHolderAttachedObjectTargetHandler extends
      AttachedObjectTargetHandler {

    public BehaviorHolderAttachedObjectTargetHandler(TagConfig config) {
        super(config);
    }

    /* (non-Javadoc)
      * @see com.sun.faces.facelets.tag.composite.AttachedObjectTargetHandler#newAttachedObjectTargetImpl()
      */
    @Override
    AttachedObjectTargetImpl newAttachedObjectTargetImpl() {
        BehaviorHolderAttachedObjectTargetImpl target = new BehaviorHolderAttachedObjectTargetImpl();
        TagAttribute event = this.getAttribute("event");
        FaceletContext ctx = null;

        if (null != event) {
            if (!event.isLiteral()) {
                FacesContext facesContext = FacesContext.getCurrentInstance();
                ctx = (FaceletContext) facesContext.getAttributes()
                  .get(FaceletContext.FACELET_CONTEXT_KEY);
                String eventStr = (String)event.getValueExpression(ctx, String.class).getValue(ctx);
                target.setEvent(eventStr);
            } else {
                target.setEvent(event.getValue());
            }
        }
        TagAttribute defaultAttr = this.getAttribute("default");
        if (null != defaultAttr) {
            if (null == ctx) {
                FacesContext facesContext = FacesContext.getCurrentInstance();
                ctx = (FaceletContext) facesContext.getAttributes()
                  .get(FaceletContext.FACELET_CONTEXT_KEY);
            }
            target.setDefaultEvent(defaultAttr.getBoolean(ctx));
        }
        return target;
    }

}