/******************************************************************************* * Copyright (c) 2006 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.internal.cheatsheets.handlers; import org.eclipse.core.commands.AbstractParameterValueConverter; import org.eclipse.core.commands.ParameterValueConversionException; /** * A command parameter value converter to convert between Integers and their * String representations for use in the open dialog commands. * * @since 3.2 */ public class DialogIntegerValueConverter extends AbstractParameterValueConverter { public Object convertToObject(String parameterValue) throws ParameterValueConversionException { try { int i = Integer.parseInt(parameterValue); return new Integer(i); } catch (NumberFormatException ex) { throw new ParameterValueConversionException( "error converting to integer: " + parameterValue); //$NON-NLS-1$ } } public String convertToString(Object parameterValue) throws ParameterValueConversionException { if (!(parameterValue instanceof Integer)) { throw new ParameterValueConversionException( "value for conversion must be an Integer"); //$NON-NLS-1$ } Integer i = (Integer) parameterValue; return Integer.toString(i.intValue()); } }