package org.jboss.windup.config.parser.xml.perform;

import static org.joox.JOOX.$;

import java.util.List;

import org.jboss.windup.config.exception.ConfigurationException;
import org.jboss.windup.config.parser.ElementHandler;
import org.jboss.windup.config.parser.NamespaceElementHandler;
import org.jboss.windup.config.parser.ParserContext;
import org.jboss.windup.config.parser.xml.RuleProviderHandler;
import org.ocpsoft.rewrite.config.Operation;
import org.ocpsoft.rewrite.config.OperationBuilder;
import org.ocpsoft.rewrite.config.Operations;
import org.w3c.dom.Element;

@NamespaceElementHandler(elementName = "otherwise", namespace = RuleProviderHandler.WINDUP_RULE_NAMESPACE)
public class OtherwiseHandler implements ElementHandler<Operation>
{
    @Override
    public Operation processElement(ParserContext handlerManager, Element element) throws ConfigurationException
    {
        OperationBuilder result = Operations.create();
        List<Element> children = $(element).children().get();
        for (Element child : children)
        {
            Operation operation = handlerManager.processElement(child);
            result = result.and(operation);
        }
        return result;
    }
}
