de.alpharogroup.wicket.component.search.ComponentExpressionFinder Maven / Gradle / Ivy
package de.alpharogroup.wicket.component.search;
import java.util.List;
import org.apache.wicket.Component;
/**
* The Class ComponentFinder.
*/
public final class ComponentExpressionFinder
{
/**
* Finds all children from the given parent class. The result can be added to a ajax target so
* the components can be automatically updated.
*
* @param childComponent
* This should be a child component from the given parent class
* @param parentClass
* The parent class
* @param childClass
* The child class for the result
*
* @return An array from the child components from the parameter childClass.
**/
public static Component[] findAllChildrenFromParent(final Component childComponent,
final Class parentClass, final Class childClass)
{
final Component parent = childComponent.findParent(parentClass);
final List children = ComponentExpression.findAllComponents(parent, "**",
childClass);
return children.toArray(new Component[children.size()]);
}
}