ApplicationPropertyModel.java

package fr.openwide.core.wicket.more.model;

import org.apache.wicket.injection.Injector;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import com.google.common.base.Preconditions;

import fr.openwide.core.spring.property.model.PropertyId;
import fr.openwide.core.spring.property.service.IPropertyService;

public class ApplicationPropertyModel<T> extends LoadableDetachableModel<T> {

	private static final long serialVersionUID = 7221634823252925011L;

	@SpringBean
	private IPropertyService propertyService;

	private final PropertyId<T> propertyId;

	public static <T> ApplicationPropertyModel<T> of(PropertyId<T> propertyId) {
		Preconditions.checkNotNull(propertyId);
		return new ApplicationPropertyModel<T>(propertyId);
	}

	private ApplicationPropertyModel(PropertyId<T> propertyId) {
		super();
		Injector.get().inject(this);
		Preconditions.checkNotNull(propertyId);
		this.propertyId = propertyId;
	}

	@Override
	protected T load() {
		return propertyService.get(propertyId);
	}

	public PropertyId<T> getPropertyId() {
		return propertyId;
	}

}