PlayerConverter.java

/*
 * Copyright 2009 Prime Technology.
 *
 * 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 org.primefaces.examples.view;

import java.util.ArrayList;
import java.util.List;
import javax.faces.application.FacesMessage;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;

import org.primefaces.examples.domain.Player;

public class PlayerConverter implements Converter {

    public static List<Player> playerDB;

    static {
        playerDB = new ArrayList<Player>();

        playerDB.add(new Player("Messi", 10, "messi.jpg", "CF"));
        playerDB.add(new Player("Bojan", 9, "bojan.jpg", "CF"));
        playerDB.add(new Player("Iniesta", 8, "iniesta.jpg", "CM"));
        playerDB.add(new Player("Villa", 7, "villa.jpg", "CF"));
        playerDB.add(new Player("Xavi", 6, "xavi.jpg", "CM"));
        playerDB.add(new Player("Puyol", 5, "puyol.jpg", "CB"));
        playerDB.add(new Player("Afellay", 20, "afellay.jpg", "AMC"));
        playerDB.add(new Player("Abidal", 22, "abidal.jpg", "LB"));
        playerDB.add(new Player("Alves", 2, "alves.jpg", "RB"));
        playerDB.add(new Player("Pique", 3, "pique.jpg", "CB"));
        playerDB.add(new Player("Keita", 15, "keita.jpg", "DM"));
        playerDB.add(new Player("Adriano", 21, "adriano.jpg", "LB"));
        playerDB.add(new Player("Valdes", 1, "valdes.jpg", "GK"));
    }

    public Object getAsObject(FacesContext facesContext, UIComponent component, String submittedValue) {
        if (submittedValue.trim().equals("")) {
            return null;
        } else {
            try {
                int number = Integer.parseInt(submittedValue);

                for (Player p : playerDB) {
                    if (p.getNumber() == number) {
                        return p;
                    }
                }
                
            } catch(NumberFormatException exception) {
                throw new ConverterException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Conversion Error", "Not a valid player"));
            }
        }

        return null;
    }

    public String getAsString(FacesContext facesContext, UIComponent component, Object value) {
        if (value == null || value.equals("")) {
            return "";
        } else {
            return String.valueOf(((Player) value).getNumber());
        }
    }
}