/*
* (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.io.Serializable;
import java.lang.reflect.Type;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.openflexo.foundation.FlexoObject;
import org.openflexo.kvc.ChoiceList;
import org.openflexo.localization.FlexoLocalization;
import org.openflexo.xmlcode.StringConvertable;
import org.openflexo.xmlcode.StringEncoder;
import org.openflexo.xmlcode.StringEncoder.Converter;
/**
* Represents the cardinality of a property
*
* @author sguerin
*
*/
public abstract class DMCardinality extends FlexoObject implements StringConvertable, ChoiceList, Serializable {
private static final Logger logger = Logger.getLogger(DMCardinality.class.getPackage().getName());
public static final DMCardinality SINGLE = new SingleCardinality();
public static final DMCardinality VECTOR = new VectorCardinality();
public static final DMCardinality HASHTABLE = new HashtableCardinality();
// public static final DMCardinality ARRAY = new ArrayCardinality();
// public static final DMCardinality PROPERTIES = new
// PropertiesCardinality();
public static final StringEncoder.Converter<DMCardinality> cardinalityConverter = new Converter<DMCardinality>(DMCardinality.class) {
@Override
public DMCardinality convertFromString(String value) {
return get(value);
}
@Override
public String convertToString(DMCardinality value) {
return value.getName();
}
};
static class SingleCardinality extends DMCardinality {
@Override
public String getName() {
return "SINGLE";
}
@Override
public boolean isMultiple() {
return false;
}
}
static class VectorCardinality extends DMCardinality {
@Override
public String getName() {
return "VECTOR";
}
@Override
public boolean isMultiple() {
return true;
}
}
static class HashtableCardinality extends DMCardinality {
@Override
public String getName() {
return "HASHTABLE";
}
@Override
public boolean isMultiple() {
return true;
}
}
/*
* private static class ArrayCardinality extends DMCardinality { public
* String getName() { return "ARRAY"; } }
*
* private static class PropertiesCardinality extends DMCardinality { public
* String getName() { return "PROPERTIES"; } }
*/
public abstract String getName();
public String getLocalizedName() {
return FlexoLocalization.localizedForKey(getName());
}
public abstract boolean isMultiple();
public static DMCardinality get(String cardName) {
for (Enumeration e = SINGLE.getAvailableValues().elements(); e.hasMoreElements();) {
DMCardinality temp = (DMCardinality) e.nextElement();
if (temp.getName().equalsIgnoreCase(cardName)) {
return temp;
}
}
if (logger.isLoggable(Level.WARNING)) {
logger.warning("Could not find Cardinality named " + cardName);
}
return null;
}
private Vector<DMCardinality> _availableValues = null;
@Override
public Vector getAvailableValues() {
if (_availableValues == null) {
_availableValues = new Vector<DMCardinality>();
_availableValues.add(SINGLE);
_availableValues.add(VECTOR);
_availableValues.add(HASHTABLE);
}
return _availableValues;
}
@Override
public StringEncoder.Converter getConverter() {
return cardinalityConverter;
}
public static DMCardinality get(Class aClass) {
if (Vector.class.isAssignableFrom(aClass)) {
return VECTOR;
} else if (Hashtable.class.isAssignableFrom(aClass)) {
return HASHTABLE;
}
return SINGLE;
}
public static Vector availableValues() {
return SINGLE.getAvailableValues();
}
public static DMCardinality get(Type returnType) {
// TODO Implements this later !!!
return SINGLE;
}
}