/*******************************************************************************
* Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) and others. *
* All rights reserved. This program and the accompanying materials *
* are made available under the terms of the Eclipse Public License v1.0 *
* which accompanies this distribution, and is available at *
* http://www.eclipse.org/legal/epl-v10.html *
* Contributors: *
* Soyatec - initial API and implementation *
*******************************************************************************/
package org.eclipse.papyrus.xwt.converters;
import org.eclipse.core.databinding.conversion.IConverter;
/**
* @author jliu (jin.liu@soyatec.com)
*/
public class StringToEnum implements IConverter {
private Class<?> toType;
public StringToEnum(Class<?> toType) {
this.toType = toType;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.databinding.conversion.IConverter#convert(java.lang.Object)
*/
public Object convert(Object fromObject) {
if(fromObject == null || "".equals(fromObject)) {
Class<?> type = (Class<?>)getToType();
Object[] values = type.getEnumConstants();
if(values != null && values.length > 0) {
return values[0];
}
}
return Enum.valueOf((Class)getToType(), (String)fromObject);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.databinding.conversion.IConverter#getFromType()
*/
public Object getFromType() {
return String.class;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.core.databinding.conversion.IConverter#getToType()
*/
public Object getToType() {
return toType;
}
public void setToType(Class<?> toType) {
this.toType = toType;
}
}