com.evasion.common.LocationConverter Maven / Gradle / Ivy

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package com.evasion.common;

import com.evasion.entity.geolocation.Location;
import java.io.Serializable;
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 javax.faces.convert.FacesConverter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author sglon
 */
@FacesConverter(value = "locationConverter")
public class LocationConverter implements Converter, Serializable {

    private static final Logger LOGGER = LoggerFactory.getLogger(LocationConverter.class);

    private static final long serialVersionUID = -1L;

    private List locs = null;

    public LocationConverter(List locs) {
        super();
        LOGGER.debug("init converter.");
        this.locs = locs;
    }

    public LocationConverter() {
        super();
    }

    @Override
    public Object getAsObject(FacesContext facesContext, UIComponent component, String submittedValue) {
        if (submittedValue.trim().equals("")) {
            return null;
        }else if (locs==null || locs.isEmpty()) {
            throw  new ConverterException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Conversion Error", "Not a valid player"));
        } else {
        try {
            int number = Integer.parseInt(submittedValue);

            for (Location location : locs) {
                if (location.getId() == number) {
                    return location;
                }
            }
        } catch (NumberFormatException exception) {
            throw new ConverterException(new FacesMessage(FacesMessage.SEVERITY_ERROR, "Conversion Error", "Not a valid player"));
        }
        return null;
        }
    }

    @Override
    public String getAsString(FacesContext facesContext, UIComponent component, Object value) {
        if (value == null) {
            return "";
        }

        Long id = ((Location) value).getId();
        if (id != null) {
            return Long.toString(id);
        } else {
            return "";
        }
    }
}