AbstractHistoryRenderer.java

package fr.openwide.core.basicapp.web.application.history.renderer;

import java.util.Map;

import com.google.common.base.Joiner;
import com.google.common.collect.ImmutableMap;

import fr.openwide.core.basicapp.core.business.history.model.HistoryDifference;
import fr.openwide.core.basicapp.core.business.history.model.HistoryLog;
import fr.openwide.core.basicapp.core.business.user.model.BasicUser;
import fr.openwide.core.basicapp.core.business.user.model.TechnicalUser;
import fr.openwide.core.commons.util.fieldpath.FieldPath;
import fr.openwide.core.commons.util.fieldpath.FieldPathComponent;
import fr.openwide.core.jpa.business.generic.model.GenericEntityReference;
import fr.openwide.core.jpa.more.business.history.model.embeddable.HistoryValue;
import fr.openwide.core.wicket.more.rendering.Renderer;

public abstract class AbstractHistoryRenderer<T> extends Renderer<T> {

	private static final long serialVersionUID = 1447404930317013473L;

	protected static final Joiner JOINER = Joiner.on("");
	
	protected static final String BUSINESS_ROOT = "business";
	
	protected static final String HISTORY_DIFFERENCE_ROOT = "history.difference";
	
	private static final Map<Class<?>, String> ENTITY_RESOURCE_KEY_PARTS = ImmutableMap.<Class<?>, String>builder()
				.put(TechnicalUser.class, ".user")
				.put(BasicUser.class, ".user")
				.build();

	protected static String getEntityResourceKeyPart(HistoryDifference difference) {
		HistoryLog log = difference.getRootLog();
		if (log != null) {
			String part = getEntityResourceKeyPart(log.getMainObject());
			if (part != null) {
				return part;
			}
		}
		return "";
	}

	private static String getEntityResourceKeyPart(HistoryValue object) {
		GenericEntityReference<?, ?> reference = object.getReference();
		if (reference != null) {
			Class<?> objectClass = object.getReference().getType();
			return ENTITY_RESOURCE_KEY_PARTS.get(objectClass);
		}
		return null;
	}

	protected static String getFieldPathKeyPart(FieldPath path) {
		return path.toString().replace(FieldPathComponent.ITEM.getName(), "");
	}

}