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/*
 * Copyright (C) 2012-2017 Philip Washington Sorst 
 * and individual contributors as indicated
 * by the @authors tag.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.dontdrinkandroot.wicket.util;

import org.apache.wicket.Component;
import org.apache.wicket.util.visit.IVisit;
import org.apache.wicket.util.visit.IVisitor;

/**
 * Prints all components that are not stateless.
 *
 * @author Philip Washington Sorst 
 */
public class NonStatelessPrintingVisitor implements IVisitor
{
    @Override
    public void component(Component component, IVisit visit)
    {
        if (!component.isStateless()) {
            System.err.println(
                    String.format(
                            "Component '%s' is not stateless. Type: %s, Path: %s",
                            component.getMarkupId(),
                            component.getClass().getCanonicalName(),
                            component.getPath()
                    )
            );
        }
    }
}