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comparison org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/conversion/CharacterToStringConverter.d @ 78:0a55d2d5a946

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Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
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76:f05e6e8b2f2d 78:0a55d2d5a946
1 /*******************************************************************************
2 * Copyright (c) 2007 Matt Carter and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * Matt Carter - initial API and implementation
10 ******************************************************************************/
11
12 module org.eclipse.core.internal.databinding.conversion.CharacterToStringConverter;
13
14 import java.lang.all;
15
16 import org.eclipse.core.databinding.conversion.Converter;
17
18 /**
19 * Converts a character to a string.
20 */
21 public class CharacterToStringConverter : Converter {
22 private final bool primitive;
23
24 /**
25 * @param primitive
26 */
27 private this(bool primitive) {
28 super(primitive ? Character.TYPE : Character.classinfo, String.classinfo);
29 this.primitive = primitive;
30 }
31
32 /*
33 * (non-Javadoc)
34 *
35 * @see org.eclipse.core.databinding.conversion.IConverter#convert(java.lang.Object)
36 */
37 public Object convert(Object fromObject) {
38 // Null is allowed when the type is not primitive.
39 if (fromObject is null) {
40 if (primitive)
41 throw new IllegalArgumentException(
42 "'fromObject' is null. Cannot convert to primitive char."); //$NON-NLS-1$
43 return ""; //$NON-NLS-1$
44 }
45
46 if (!( null !is cast(Character)fromObject )) {
47 throw new IllegalArgumentException(
48 "'fromObject' is not of type [Character]."); //$NON-NLS-1$
49 }
50
51 return String.valueOf((cast(Character) fromObject).charValue());
52 }
53
54 /**
55 * @param primitive
56 * @return converter
57 */
58 public static CharacterToStringConverter fromCharacter(bool primitive) {
59 return new CharacterToStringConverter(primitive);
60 }
61
62 }