/******************************************************************************* * 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; } }