Recursively traverse the passed in JSF component structure and call the passed in visitor. - Java JSF

Java examples for JSF:UIComponent

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Description

Recursively traverse the passed in JSF component structure and call the passed in visitor.

Demo Code


import javax.faces.component.UIComponent;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Main{
    /**/* w w w  .j  av  a 2 s  . com*/
     * Recursively traverse the passed in component structure and call the passed in visitor.
     *
     * @param baseComponent
     * @param depth
     * @param visitor
     * @return
     */
    public static boolean recurseChildren(UIComponent baseComponent,
            int depth, UIComponentVisitor visitor) {
        if (visitor.visit(baseComponent, depth) == false) {
            // Abort
            return false;
        }

        if (baseComponent.getFacetsAndChildren() != null) {

            Iterator<UIComponent> childComponentIterator = baseComponent
                    .getFacetsAndChildren();
            while (childComponentIterator.hasNext()) {
                UIComponent childComponent = childComponentIterator.next();
                if (recurseChildren(childComponent, depth + 1, visitor) == false) {
                    // Abort
                    return false;
                }
            }
        }

        // Keep going
        return true;
    }
}

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