/*******************************************************************************
* Copyright (c) 2008, 2016 IBM Corporation 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:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.ui.examples.contributions.editor;
import org.eclipse.core.commands.AbstractParameterValueConverter;
import org.eclipse.core.commands.ParameterValueConversionException;
/**
* Convert between Integer and String for a command parameter type.
*
* @since 3.4
*/
public class IntegerTypeConverter extends AbstractParameterValueConverter {
@Override
public Object convertToObject(String parameterValue)
throws ParameterValueConversionException {
try {
return Integer.decode(parameterValue);
} catch (NumberFormatException e) {
throw new ParameterValueConversionException("Failed to decode", e); //$NON-NLS-1$
}
}
@Override
public String convertToString(Object parameterValue)
throws ParameterValueConversionException {
if (!(parameterValue instanceof Integer)) {
throw new ParameterValueConversionException("Failed to convert"); //$NON-NLS-1$
}
return parameterValue.toString();
}
}