Mercurial > projects > dwt2
view org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/conversion/IntegerToStringConverter.d @ 78:0a55d2d5a946
Added file for databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 6be48cf9f95c |
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/******************************************************************************* * Copyright (c) 2007 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 ******************************************************************************/ module org.eclipse.core.internal.databinding.conversion.IntegerToStringConverter; import java.lang.all; import org.eclipse.core.databinding.conversion.Converter; import com.ibm.icu.text.NumberFormat; /** * Converts a value that is an integer, non decimal, to a String using a * NumberFormat. * <p> * This class is a temporary as this ability exists in NumberToStringConverter * except that short and byte are missing. * </p> * * @since 1.0 */ public class IntegerToStringConverter : Converter { private final bool primitive; private final NumberFormat numberFormat; private final ClassInfo boxedType; /** * @param numberFormat * @param fromType * @param boxedType */ private this(NumberFormat numberFormat, ClassInfo fromType, ClassInfo boxedType) { super(fromType, String.classinfo); this.primitive = fromType.isPrimitive(); this.numberFormat = numberFormat; this.boxedType = boxedType; } /* * (non-Javadoc) * * @see org.eclipse.core.databinding.conversion.IConverter#convert(java.lang.Object) */ public Object convert(Object fromObject) { // Null is allowed when the type is not primitve. if (fromObject is null && !primitive) { return ""; //$NON-NLS-1$ } if (!boxedType.isInstance(fromObject)) { throw new IllegalArgumentException( "'fromObject' is not of type [" + boxedType + "]."); //$NON-NLS-1$//$NON-NLS-2$ } return numberFormat.format((cast(Number) fromObject).longValue()); } /** * @param primitive * @return converter */ public static IntegerToStringConverter fromShort(bool primitive) { return fromShort(NumberFormat.getIntegerInstance(), primitive); } /** * @param numberFormat * @param primitive * @return converter */ public static IntegerToStringConverter fromShort(NumberFormat numberFormat, bool primitive) { return new IntegerToStringConverter(numberFormat, primitive ? Short.TYPE : Short.classinfo, Short.classinfo); } /** * @param primitive * @return converter */ public static IntegerToStringConverter fromByte(bool primitive) { return fromByte(NumberFormat.getIntegerInstance(), primitive); } /** * @param numberFormat * @param primitive * @return converter */ public static IntegerToStringConverter fromByte(NumberFormat numberFormat, bool primitive) { return new IntegerToStringConverter(numberFormat, primitive ? Byte.TYPE : Byte.classinfo, Byte.classinfo); } }