JDKPrimitive.java example

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openflexo-master
/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.foundation.dm;

import java.util.logging.Level;
import java.util.logging.Logger;

import org.openflexo.foundation.xml.FlexoDMBuilder;

/**
 * Represents a Java primitive
 * 
 * @author sguerin
 * 
 */
public class JDKPrimitive extends LoadableDMEntity {

	private static final Logger logger = Logger.getLogger(JDKPrimitive.class.getPackage().getName());

	// ==========================================================================
	// ============================= Instance variables
	// =========================
	// ==========================================================================

	private Class type;

	// ==========================================================================
	// ============================= Constructor
	// ================================
	// ==========================================================================

	/**
	 * Constructor used during deserialization
	 */
	public JDKPrimitive(FlexoDMBuilder builder) {
		this(builder.dmModel);
		initializeDeserialization(builder);
	}

	/**
	 * Default constructor
	 */
	public JDKPrimitive(DMModel dmModel) {
		super(dmModel);
	}

	/**
	 * Constructor used for dynamic creation
	 */
	public JDKPrimitive(DMRepository repository, Class aClass) {
		this(repository.getDMModel());
		setRepository(repository);
		type = aClass;
		if (!type.isPrimitive()) {
			if (logger.isLoggable(Level.WARNING)) {
				logger.warning("Supplied class " + type + " is NOT a primitive !");
			}
		}
		initializeFromPrimitive();
		repository.registerEntity(this);
	}

	@Override
	public boolean isDeletable() {
		return false;
	}

	@Override
	public String getFullyQualifiedName() {
		return entityClassName;
	}

	/**
	 * Update from data in ClassLoader
	 */
	private void initializeFromPrimitive() {
		entityPackageName = null;
		name = type.getName();
		entityClassName = name;

		if (logger.isLoggable(Level.FINE)) {
			logger.fine("Registering " + getFullyQualifiedName());
		}

		setParentType(null, true);

	}

	@Override
	public Class retrieveJavaType() {
		if (entityClassName.equals("int")) {
			type = Integer.TYPE;
		}
		if (entityClassName.equals("long")) {
			type = Long.TYPE;
		}
		if (entityClassName.equals("short")) {
			type = Short.TYPE;
		}
		if (entityClassName.equals("float")) {
			type = Float.TYPE;
		}
		if (entityClassName.equals("double")) {
			type = Double.TYPE;
		}
		if (entityClassName.equals("char")) {
			type = Character.TYPE;
		}
		if (entityClassName.equals("byte")) {
			type = Byte.TYPE;
		}
		if (entityClassName.equals("boolean")) {
			type = Boolean.TYPE;
		}
		if (entityClassName.equals("void")) {
			type = Void.TYPE;
		}
		return type;
	}

	@Override
	public boolean isAncestorOf(DMEntity entity) {
		if (entity == null) {
			return false;
		}
		if (entity.getPackage().getName().equals("java.lang")) {
			if (entityClassName.equals("boolean") && entity.getName().equals("Boolean")) {
				return true;
			}
			if (entityClassName.equals("int") && entity.getName().equals("Integer")) {
				return true;
			}
			if (entityClassName.equals("long") && entity.getName().equals("Long")) {
				return true;
			}
			if (entityClassName.equals("short") && entity.getName().equals("Short")) {
				return true;
			}
			if (entityClassName.equals("float") && entity.getName().equals("Float")) {
				return true;
			}
			if (entityClassName.equals("double") && entity.getName().equals("Double")) {
				return true;
			}
			if (entityClassName.equals("char") && entity.getName().equals("Character")) {
				return true;
			}
			if (entityClassName.equals("byte") && entity.getName().equals("Byte")) {
				return true;
			}
		}
		return super.isAncestorOf(entity);
	}

}