/*******************************************************************************
* Copyright (c) 2012 Original authors 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:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.data.convert;
import static org.eclipse.nebula.widgets.nattable.util.ObjectUtils.isNotEmpty;
import static org.eclipse.nebula.widgets.nattable.util.ObjectUtils.isNotNull;
import org.eclipse.nebula.widgets.nattable.Messages;
/**
* Converts the display value to a {@link Character} and vice versa.
*/
public class DefaultCharacterDisplayConverter extends DisplayConverter {
@Override
public Object canonicalToDisplayValue(Object sourceValue) {
return sourceValue != null ? sourceValue.toString() : ""; //$NON-NLS-1$
}
@Override
public Object displayToCanonicalValue(Object displayValue) {
if (isNotNull(displayValue) && isNotEmpty(displayValue.toString())) {
if (displayValue.toString().length() > 1) {
throw new ConversionFailedException(
Messages.getString("DefaultCharacterDisplayConverter.failure", //$NON-NLS-1$
displayValue));
} else {
return displayValue.toString().charAt(0);
}
}
return null;
}
}