Wicket PropertyModelの例

package com.mkyong.user;

import java.io.Serializable;

public class User implements Serializable{

    private String name;
    private int age;

   //setter and getter methods

}

package com.mkyong.user;

import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.model.PropertyModel;

public class UserPage extends WebPage {

    private User user = new User();
    private String nickname;

    public UserPage(final PageParameters parameters) {

        add(new FeedbackPanel("feedback"));

        final TextField<String> tName = new TextField<String>("name",
                new PropertyModel<String>(user, "name"));

        final TextField<Integer> tAge = new TextField<Integer>("age",
                new PropertyModel<Integer>(user, "age"));

        final TextField<String> tNickname = new TextField<String>("nickname",
                new PropertyModel<String>(this, "nickname"));

        Form<?> form = new Form<Void>("userForm") {

            @Override
            protected void onSubmit() {

                PageParameters pageParameters = new PageParameters();
                pageParameters.add("name", user.getName());
                pageParameters.add("age", Integer.toString(user.getAge()));
                pageParameters.add("nickname", nickname);

                setResponsePage(SuccessPage.class, pageParameters);

            }

        };

        add(form);
        form.add(tName);
        form.add(tAge);
        form.add(tNickname);

    }
}

final TextField<String> tName = new TextField<String>("name",
    new PropertyModel<String>(user, "name"));

final TextField<String> tNickname = new TextField<String>("nickname",
    new PropertyModel<String>(this, "nickname"));